First Solar (FSLR)
First Solar on one page: short interest, daily short volume, fails to deliver, planned sales, large holders, 13F holders, financials, earnings dates and insider trades. Listed on Nasdaq, classified by the SEC as semiconductors & related devices.
11.6M
Short interest
settlement 2026-10-15
5.8
Days to cover
+1.8 days vs prior
64.6%
Short share of volume
2026-10-28
9,936
Fails to deliver
settlement 2026-09-29
Thu 29 Oct
Next earnings
estimated date
-$3.8M
Insider flow, 90 days
0 buys, 9 sells
As of 2026-10-28.
Short interest
FINRA, twice a month. The newest 48 settlements in the table, 48 in the chart. JSONAs of 15 October 2026, short interest in FSLR is 11,595,120 shares, up 1,072,865 shares over the last month. Over the last 48 readings it ranged from 6,014,060 shares (31 October 2024) to 11,816,585 shares (15 May 2025). The latest reading sits at the top of that range. At the reported average volume of 2.0M shares a day that is 5.8 days to cover.
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| Settlement | Shares short | Change | Avg daily volume | Days to cover |
|---|---|---|---|---|
| 2026-10-15 | 11,595,120 | +4.2% | 1,990,452 | 5.83 |
| 2026-09-30 | 11,126,598 | +5.7% | 2,740,451 | 4.06 |
| 2026-09-15 | 10,522,255 | +11.6% | 1,995,957 | 5.27 |
| 2026-08-31 | 9,427,542 | -3.3% | 1,692,876 | 5.57 |
| 2026-08-14 | 9,748,851 | -4.8% | 3,264,018 | 2.99 |
| 2026-07-31 | 10,237,172 | +3.5% | 1,941,726 | 5.27 |
| 2026-07-15 | 9,890,366 | +20.3% | 1,734,029 | 5.70 |
| 2026-06-30 | 8,222,758 | -3.7% | 1,951,975 | 4.21 |
| 2026-06-15 | 8,537,226 | -0.0% | 2,667,926 | 3.20 |
| 2026-05-29 | 8,537,710 | -1.4% | 3,362,627 | 2.54 |
| 2026-05-15 | 8,655,644 | +11.8% | 2,891,973 | 2.99 |
| 2026-04-30 | 7,741,753 | +18.4% | 2,156,510 | 3.59 |
| 2026-04-15 | 6,540,723 | -12.2% | 1,805,361 | 3.62 |
| 2026-03-31 | 7,451,783 | -4.0% | 1,793,737 | 4.15 |
| 2026-03-13 | 7,758,315 | -0.4% | 1,746,065 | 4.44 |
| 2026-02-27 | 7,790,488 | -5.1% | 3,160,466 | 2.46 |
| 2026-02-13 | 8,211,834 | +8.2% | 2,329,747 | 3.52 |
| 2026-01-30 | 7,590,441 | -10.1% | 2,360,150 | 3.22 |
| 2026-01-15 | 8,442,378 | -14.2% | 2,623,289 | 3.22 |
| 2025-12-31 | 9,833,873 | +1.0% | 1,776,412 | 5.54 |
| 2025-12-15 | 9,740,463 | -2.5% | 1,905,251 | 5.11 |
| 2025-11-28 | 9,993,728 | +7.7% | 1,718,538 | 5.82 |
| 2025-11-14 | 9,283,647 | +9.3% | 2,425,652 | 3.83 |
| 2025-10-31 | 8,493,898 | +1.0% | 2,444,929 | 3.47 |
| 2025-10-15 | 8,408,393 | -13.4% | 2,241,437 | 3.75 |
| 2025-09-30 | 9,709,656 | -5.4% | 2,364,656 | 4.11 |
| 2025-09-15 | 10,261,379 | +6.8% | 1,993,182 | 5.15 |
| 2025-08-29 | 9,608,763 | -3.3% | 3,606,083 | 2.66 |
| 2025-08-15 | 9,939,399 | +3.8% | 3,231,413 | 3.08 |
| 2025-07-31 | 9,576,190 | -0.7% | 2,459,807 | 3.89 |
| 2025-07-15 | 9,643,813 | -2.2% | 4,160,863 | 2.32 |
| 2025-06-30 | 9,862,667 | -6.2% | 6,597,568 | 1.49 |
| 2025-06-13 | 10,516,322 | -1.9% | 3,290,779 | 3.20 |
| 2025-05-30 | 10,717,922 | -9.3% | 5,182,845 | 2.07 |
| 2025-05-15 | 11,816,585 | +7.1% | 6,537,999 | 1.81 |
| 2025-04-30 | 11,030,785 | +12.4% | 4,598,360 | 2.40 |
| 2025-04-15 | 9,814,906 | +9.1% | 4,107,968 | 2.39 |
| 2025-03-31 | 8,999,715 | +10.0% | 3,069,159 | 2.93 |
| 2025-03-14 | 8,180,419 | +8.6% | 3,135,268 | 2.61 |
| 2025-02-28 | 7,534,427 | +14.8% | 3,907,341 | 1.93 |
| 2025-02-14 | 6,564,322 | +8.4% | 1,943,023 | 3.38 |
| 2025-01-31 | 6,053,461 | -19.4% | 2,846,416 | 2.13 |
| 2025-01-15 | 7,509,480 | -8.3% | 1,608,314 | 4.67 |
| 2024-12-31 | 8,188,853 | +1.0% | 1,722,637 | 4.75 |
| 2024-12-13 | 8,104,526 | +27.7% | 2,129,890 | 3.81 |
| 2024-11-29 | 6,347,743 | -13.7% | 2,185,734 | 2.90 |
| 2024-11-15 | 7,358,617 | +22.4% | 4,591,422 | 1.60 |
| 2024-10-31 | 6,014,060 | +20.4% | 3,150,596 | 1.91 |
Daily short volume
FINRA Reg SHO, the last 30 sessions. JSONAs of 28 October 2026, the short share of FSLR volume is 64.6%, up 6.5 points over the last five sessions. Over the last 30 readings it ranged from 51.0% (1 October 2026) to 72.7% (15 October 2026). The latest reading is 3.9 points above the 30-session average of 60.6%, on 819K shares reported.
| Date | Short volume | Total volume | Short share | Exempt |
|---|---|---|---|---|
| 2026-10-28 | 529K | 819K | 64.6% | 40 |
| 2026-10-27 | 519K | 852K | 60.9% | 572 |
| 2026-10-26 | 586K | 989K | 59.3% | 1 |
| 2026-10-23 | 394K | 635K | 62.1% | 441 |
| 2026-10-22 | 481K | 792K | 60.8% | 999 |
| 2026-10-21 | 380K | 655K | 58.1% | 0 |
| 2026-10-20 | 372K | 645K | 57.7% | 11 |
| 2026-10-19 | 543K | 1.0M | 53.0% | 0 |
| 2026-10-16 | 493K | 946K | 52.2% | 0 |
| 2026-10-15 | 715K | 983K | 72.7% | 442 |
| 2026-10-14 | 502K | 869K | 57.8% | 20 |
| 2026-10-13 | 642K | 979K | 65.6% | 438 |
| 2026-10-12 | 648K | 1.2M | 56.0% | 4,136 |
| 2026-10-09 | 393K | 730K | 53.9% | 0 |
| 2026-10-08 | 551K | 806K | 68.3% | 4,824 |
| 2026-10-07 | 433K | 757K | 57.2% | 227 |
| 2026-10-06 | 485K | 730K | 66.5% | 902 |
| 2026-10-05 | 293K | 525K | 55.8% | 149 |
| 2026-10-02 | 505K | 874K | 57.8% | 499 |
| 2026-10-01 | 563K | 1.1M | 51.0% | 1,080 |
| 2026-09-30 | 471K | 805K | 58.4% | 178 |
| 2026-09-29 | 452K | 750K | 60.3% | 48 |
| 2026-09-28 | 588K | 959K | 61.3% | 99 |
| 2026-09-25 | 916K | 1.4M | 65.8% | 50,447 |
| 2026-09-24 | 2.2M | 3.2M | 68.7% | 40,067 |
| 2026-09-23 | 465K | 820K | 56.7% | 1 |
| 2026-09-22 | 504K | 766K | 65.8% | 3,982 |
| 2026-09-21 | 511K | 792K | 64.5% | 160 |
| 2026-09-18 | 576K | 796K | 72.3% | 2,918 |
| 2026-09-17 | 657K | 1.2M | 54.0% | 2,621 |
Fails to deliver
SEC, the last 30 settlement dates with a fail. JSONAs of 29 September 2026, the fails-to-deliver balance in FSLR is 9,936 shares, up 9,926 shares over the last settlement date. Over the last 30 readings it ranged from 7 shares (19 August 2026) to 49,274 shares (22 June 2026).
| Settlement | Shares failed | Price | Value |
|---|---|---|---|
| 2026-09-29 | 9,936 | $172.97 | $1.7M |
| 2026-09-23 | 10 | $200.78 | $2K |
| 2026-09-14 | 389 | $209.03 | $81K |
| 2026-09-08 | 25 | $204.45 | $5K |
| 2026-09-03 | 5,334 | $202.60 | $1.1M |
| 2026-09-01 | 3,179 | $201.90 | $642K |
| 2026-08-19 | 7 | $220.01 | $2K |
| 2026-08-18 | 17,688 | $217.85 | $3.9M |
| 2026-08-17 | 201 | $225.56 | $45K |
| 2026-08-11 | 11,499 | $239.33 | $2.8M |
| 2026-08-10 | 1,100 | $250.05 | $275K |
| 2026-08-07 | 9,975 | $244.14 | $2.4M |
| 2026-08-05 | 613 | $243.63 | $149K |
| 2026-08-03 | 20,976 | $211.03 | $4.4M |
| 2026-07-31 | 18,917 | $206.01 | $3.9M |
| 2026-07-24 | 1,897 | $205.92 | $391K |
| 2026-07-17 | 1,403 | $211.93 | $297K |
| 2026-07-16 | 10,460 | $223.82 | $2.3M |
| 2026-07-14 | 83 | $221.03 | $18K |
| 2026-07-09 | 40 | $224.30 | $9K |
| 2026-07-01 | 16 | $235.96 | $4K |
| 2026-06-22 | 49,274 | $257.70 | $12.7M |
| 2026-06-15 | 1,669 | $267.31 | $446K |
| 2026-06-09 | 1,365 | $275.39 | $376K |
| 2026-06-08 | 98 | $279.01 | $27K |
| 2026-06-04 | 514 | $318.25 | $164K |
| 2026-06-03 | 1,090 | $311.01 | $339K |
| 2026-06-02 | 9,627 | $303.00 | $2.9M |
| 2026-06-01 | 2,520 | $306.79 | $773K |
| 2026-05-29 | 8,057 | $303.38 | $2.4M |
Insider trades
SEC Form 4, newest first. JSONInsiders at FSLR reported 9 open-market sells worth $3.8M in the last 90 days and no open-market buys. Latest filing: Gloeckler Markus (Chief Technology Officer) on 2026-10-01.
| Date | Insider | Title | Type | Shares | Price | Value | Owned after |
|---|---|---|---|---|---|---|---|
| 2026-10-01 | Gloeckler Markus | Chief Technology Officer | Sell | 800 | $174.00 | $139K | 5K |
| 2026-09-30 | Sweeney Michael T | Director | Grant | 300 | $0.00 | $0 | 15K |
| 2026-09-30 | STEBBINS PAUL H | Director | Grant | 300 | $0.00 | $0 | 16K |
| 2026-09-30 | POST WILLIAM J | Director | Grant | 300 | $0.00 | $0 | 28K |
| 2026-09-30 | Ahearn Michael J | Director | Grant | 422 | $0.00 | $0 | 66K |
| 2026-09-30 | MORGAN CURTIS A | Director | Grant | 300 | $0.00 | $0 | 523 |
| 2026-09-30 | RENDUCHINTALA VENKATA S M | Director | Grant | 300 | $0.00 | $0 | 2K |
| 2026-09-30 | Wright Norman L. | Director | Grant | 300 | $0.00 | $0 | 5K |
| 2026-09-30 | KRO LISA A | Director | Grant | 300 | $0.00 | $0 | 5K |
| 2026-09-30 | George Anita M. | Director | Grant | 300 | $0.00 | $0 | 5K |
| 2026-09-01 | Sloan Samantha L. | EVP, Corporate Affairs | Tax withholding | 134 | $199.65 | $27K | 2K |
| 2026-09-01 | Sloan Samantha L. | EVP, Corporate Affairs | Exercise or conversion | 469 | $0.00 | $0 | 2K |
| 2026-09-01 | Gloeckler Markus | Chief Technology Officer | Sell | 800 | $200.00 | $160K | 6K |
| 2026-08-17 | Sloan Samantha L. | EVP, Corporate Affairs | Sell | 127 | $222.95 | $28K | 2K |
| 2026-08-14 | Sloan Samantha L. | EVP, Corporate Affairs | Exercise or conversion | 437 | $0.00 | $0 | 2K |
| 2026-08-11 | Dymbort Jason E. | General Counsel and Secretary | Sell | 4K | $249.38 | $923K | 6K |
| 2026-08-04 | Ahearn Michael J | Director | Gift | 45K | price not stated in the filing | not stated | 66K |
| 2026-08-04 | Gloeckler Markus | Chief Technology Officer | Sell | 829 | $248.00 | $206K | 7K |
| 2026-08-03 | Koralewski Michael | Chief Supply Chain Officer | Sell | 4K | $225.00 | $788K | 8K |
| 2026-08-03 | Gloeckler Markus | Chief Technology Officer | Sell | 3K | $218.02 | $572K | 7K |
| 2026-08-03 | Gloeckler Markus | Chief Technology Officer | Sell | 800 | $222.00 | $178K | 10K |
| 2026-08-03 | Koralewski Michael | Chief Supply Chain Officer | Sell | 4K | $218.02 | $763K | 11K |
| 2026-06-30 | George Anita M. | Director | Tax withholding | 67 | $235.96 | $16K | 5K |
| 2026-06-30 | George Anita M. | Director | Grant | 223 | $0.00 | $0 | 5K |
| 2026-06-30 | KRO LISA A | Director | Grant | 223 | $0.00 | $0 | 5K |
| 2026-06-30 | MORGAN CURTIS A | Director | Grant | 223 | $0.00 | $0 | 223 |
| 2026-06-30 | POST WILLIAM J | Director | Grant | 223 | $0.00 | $0 | 27K |
| 2026-06-30 | STEBBINS PAUL H | Director | Grant | 223 | $0.00 | $0 | 16K |
| 2026-06-30 | Sweeney Michael T | Director | Grant | 223 | $0.00 | $0 | 14K |
| 2026-06-30 | RENDUCHINTALA VENKATA S M | Director | Grant | 223 | $0.00 | $0 | 2K |
| 2026-06-30 | Wright Norman L. | Director | Grant | 223 | $0.00 | $0 | 5K |
| 2026-06-30 | Ahearn Michael J | Director | Grant | 313 | $0.00 | $0 | 66K |
| 2026-06-02 | Buehler Patrick James | Chief Product Officer | Sell | 3K | $302.00 | $906K | 4K |
| 2026-05-28 | Stockdale Caroline | Chief People and Comm. Officer | Sell | 11K | $275.60 | $2.9M | 24K |
| 2026-05-26 | Widmar Mark R | Chief Executive Officer | Sell | 126 | $276.29 | $35K | 82K |
| 2026-05-26 | Widmar Mark R | Chief Executive Officer | Sell | 473 | $273.17 | $129K | 82K |
| 2026-05-26 | Widmar Mark R | Chief Executive Officer | Sell | 726 | $271.23 | $197K | 82K |
| 2026-05-26 | Widmar Mark R | Chief Executive Officer | Sell | 632 | $270.05 | $171K | 83K |
| 2026-05-26 | Widmar Mark R | Chief Executive Officer | Sell | 1K | $268.89 | $271K | 84K |
| 2026-05-26 | Widmar Mark R | Chief Executive Officer | Sell | 628 | $267.72 | $168K | 85K |
| 2026-05-26 | Widmar Mark R | Chief Executive Officer | Sell | 1K | $266.60 | $330K | 85K |
| 2026-05-26 | Widmar Mark R | Chief Executive Officer | Sell | 364 | $265.15 | $97K | 87K |
| 2026-05-22 | Widmar Mark R | Chief Executive Officer | Sell | 47 | $258.48 | $12K | 87K |
| 2026-05-22 | Widmar Mark R | Chief Executive Officer | Sell | 149 | $257.55 | $38K | 87K |
| 2026-05-22 | Widmar Mark R | Chief Executive Officer | Sell | 75 | $256.32 | $19K | 87K |
| 2026-05-22 | Widmar Mark R | Chief Executive Officer | Sell | 64 | $255.59 | $16K | 87K |
| 2026-05-22 | Widmar Mark R | Chief Executive Officer | Sell | 916 | $254.93 | $234K | 87K |
| 2026-05-22 | Widmar Mark R | Chief Executive Officer | Sell | 218 | $253.63 | $55K | 88K |
| 2026-05-22 | Widmar Mark R | Chief Executive Officer | Sell | 97 | $252.87 | $25K | 89K |
| 2026-05-22 | Widmar Mark R | Chief Executive Officer | Sell | 172 | $251.53 | $43K | 89K |
| 2026-05-22 | Widmar Mark R | Chief Executive Officer | Sell | 239 | $250.02 | $60K | 89K |
| 2026-05-21 | Widmar Mark R | Chief Executive Officer | Sell | 179 | $255.31 | $46K | 90K |
| 2026-05-21 | Verma Kuntal Kumar | Chief Manufacturing Officer | Sell | 582 | $250.00 | $146K | 5K |
| 2026-05-21 | Widmar Mark R | Chief Executive Officer | Sell | 521 | $243.19 | $127K | 89K |
| 2026-05-21 | Widmar Mark R | Chief Executive Officer | Sell | 6 | $256.96 | $2K | 90K |
| 2026-05-21 | Widmar Mark R | Chief Executive Officer | Sell | 261 | $254.29 | $66K | 90K |
| 2026-05-21 | Widmar Mark R | Chief Executive Officer | Sell | 569 | $251.64 | $143K | 90K |
| 2026-05-21 | Widmar Mark R | Chief Executive Officer | Sell | 472 | $250.61 | $118K | 91K |
| 2026-05-21 | Widmar Mark R | Chief Executive Officer | Sell | 1K | $249.70 | $282K | 91K |
| 2026-05-21 | Widmar Mark R | Chief Executive Officer | Sell | 179 | $248.80 | $45K | 92K |
| 2026-05-21 | Widmar Mark R | Chief Executive Officer | Sell | 98 | $247.53 | $24K | 92K |
| 2026-05-21 | Widmar Mark R | Chief Executive Officer | Sell | 229 | $246.23 | $56K | 92K |
| 2026-05-21 | Widmar Mark R | Chief Executive Officer | Sell | 136 | $244.62 | $33K | 93K |
| 2026-05-21 | Widmar Mark R | Chief Executive Officer | Sell | 362 | $241.40 | $87K | 93K |
| 2026-05-21 | Widmar Mark R | Chief Executive Officer | Sell | 672 | $240.10 | $161K | 93K |
| 2026-05-13 | Widmar Mark R | Chief Executive Officer | Sell | 1K | $240.02 | $312K | 94K |
| 2026-05-13 | Verma Kuntal Kumar | Chief Manufacturing Officer | Sell | 1K | $240.00 | $349K | 6K |
| 2026-05-11 | Widmar Mark R | Chief Executive Officer | Sell | 400 | $236.53 | $95K | 95K |
| 2026-05-11 | Widmar Mark R | Chief Executive Officer | Sell | 1K | $235.69 | $321K | 96K |
| 2026-05-11 | Widmar Mark R | Chief Executive Officer | Sell | 1K | $234.84 | $352K | 97K |
| 2026-05-11 | Widmar Mark R | Chief Executive Officer | Sell | 2K | $233.56 | $438K | 98K |
| 2026-05-11 | Widmar Mark R | Chief Executive Officer | Sell | 2K | $232.55 | $526K | 100K |
| 2026-05-11 | Widmar Mark R | Chief Executive Officer | Sell | 1K | $231.53 | $238K | 103K |
| 2026-05-11 | Widmar Mark R | Chief Executive Officer | Sell | 2K | $230.18 | $345K | 104K |
| 2026-05-11 | Verma Kuntal Kumar | Chief Manufacturing Officer | Sell | 352 | $230.00 | $81K | 7K |
| 2026-05-11 | Verma Kuntal Kumar | Chief Manufacturing Officer | Sell | 2K | $225.00 | $419K | 7K |
| 2026-05-06 | Verma Kuntal Kumar | Chief Manufacturing Officer | Sell | 270 | $218.16 | $59K | 9K |
| 2026-05-06 | Theurer Nathan B. | VP - Global Controller and CAO | Sell | 31 | $218.16 | $7K | 0 |
| 2026-05-06 | Dymbort Jason E. | General Counsel and Secretary | Sell | 228 | $218.16 | $50K | 9K |
| 2026-05-05 | Koralewski Michael | Chief Supply Chain Officer | Sell | 215 | $215.63 | $46K | 15K |
| 2026-05-05 | Gloeckler Markus | Chief Technology Officer | Sell | 420 | $215.63 | $91K | 11K |
| 2026-05-05 | Sloan Samantha L. | EVP, Corporate Affairs | Sell | 19 | $215.63 | $4K | 2K |
| 2026-05-05 | Stockdale Caroline | Chief People and Comm. Officer | Sell | 262 | $215.63 | $56K | 34K |
| 2026-05-05 | Theurer Nathan B. | VP - Global Controller and CAO | Sell | 13 | $215.63 | $3K | 31 |
| 2026-05-05 | Verma Kuntal Kumar | Chief Manufacturing Officer | Sell | 479 | $215.63 | $103K | 9K |
| 2026-05-05 | Widmar Mark R | Chief Executive Officer | Sell | 2K | $215.63 | $329K | 105K |
| 2026-05-05 | Dymbort Jason E. | General Counsel and Secretary | Sell | 409 | $215.63 | $88K | 10K |
| 2026-05-05 | Buehler Patrick James | Chief Product Officer | Sell | 235 | $215.63 | $51K | 7K |
| 2026-05-05 | Bradley Alexander R. | Chief Financial Officer | Sell | 498 | $215.63 | $107K | 31K |
| 2026-05-05 | ANTOUN GEORGES | Chief Commercial Officer | Sell | 566 | $215.63 | $122K | 20K |
| 2026-05-04 | Koralewski Michael | Chief Supply Chain Officer | Exercise or conversion | 518 | $0.00 | $0 | 15K |
| 2026-05-04 | Gloeckler Markus | Chief Technology Officer | Exercise or conversion | 968 | $0.00 | $0 | 11K |
| 2026-05-04 | Sloan Samantha L. | EVP, Corporate Affairs | Exercise or conversion | 44 | $0.00 | $0 | 2K |
| 2026-05-04 | Stockdale Caroline | Chief People and Comm. Officer | Exercise or conversion | 622 | $0.00 | $0 | 35K |
| 2026-05-04 | Theurer Nathan B. | VP - Global Controller and CAO | Exercise or conversion | 44 | $0.00 | $0 | 44 |
| 2026-05-04 | Verma Kuntal Kumar | Chief Manufacturing Officer | Exercise or conversion | 1K | $0.00 | $0 | 10K |
| 2026-05-04 | Widmar Mark R | Chief Executive Officer | Exercise or conversion | 4K | $0.00 | $0 | 107K |
| 2026-05-04 | Dymbort Jason E. | General Counsel and Secretary | Exercise or conversion | 968 | $0.00 | $0 | 11K |
| 2026-05-04 | Buehler Patrick James | Chief Product Officer | Exercise or conversion | 553 | $0.00 | $0 | 8K |
| 2026-05-04 | Bradley Alexander R. | Chief Financial Officer | Exercise or conversion | 1K | $0.00 | $0 | 31K |
Form 4 filings are due within two business days of the trade. Insiders sell for many reasons that say nothing about the company; open-market buys are rarer.
Planned sales (Form 144)
Newest first. JSON50 Form 144 notices on file for FSLR worth $21.4M at the prices reported; 7 in the last 90 days worth $3.8M. Latest: Gloeckler Markus filed on 2026-10-01 to sell 800 shares ($139K) from 2026-10-01.
| Filed | Seller | Shares | Market value | Of outstanding | Sale from | Broker |
|---|---|---|---|---|---|---|
| 2026-10-01 | Gloeckler MarkusOfficer | 800 | $139K | 0.001% | 2026-10-01 | Fidelity Brokerage Services LLC |
| 2026-09-01 | Gloeckler MarkusOfficer | 800 | $160K | 0.001% | 2026-09-01 | Fidelity Brokerage Services LLC |
| 2026-08-17 | Sloan Samantha L.Officer | 127 | $28K | 0.000% | 2026-08-17 | Fidelity Brokerage Services LLC |
| 2026-08-11 | Dymbort Jason E.Officer | 4K | $923K | 0.003% | 2026-08-11 | Fidelity Brokerage Services LLC |
| 2026-08-04 | Gloeckler MarkusOfficer | 829 | $206K | 0.001% | 2026-08-04 | Fidelity Brokerage Services LLC |
| 2026-08-03 | Gloeckler MarkusOfficer | 3K | $750K | 0.003% | 2026-08-03 | Fidelity Brokerage Services LLC |
| 2026-08-03 | Koralewski MichaelOfficer | 7K | $1.6M | 0.007% | 2026-08-03 | Fidelity Brokerage Services LLC |
| 2026-06-02 | Buehler Patrick JamesOfficer | 3K | $906K | 0.003% | 2026-06-02 | Fidelity Brokerage Services LLC |
| 2026-05-28 | Stockdale CarolineOfficer | 11K | $2.9M | 0.010% | 2026-05-28 | Fidelity Brokerage Services LLC |
| 2026-05-26 | Widmar Mark ROfficer, Director | 5K | $1.4M | 0.005% | 2026-05-26 | Fidelity Brokerage Services LLC |
| 2026-05-22 | Widmar Mark ROfficer, Director | 2K | $502K | 0.002% | 2026-05-22 | Fidelity Brokerage Services LLC |
| 2026-05-21 | Widmar Mark ROfficer, Director | 5K | $1.2M | 0.004% | 2026-05-21 | Fidelity Brokerage Services LLC |
| 2026-05-21 | Verma Kuntal KumarOfficer | 582 | $146K | 0.001% | 2026-05-21 | Fidelity Brokerage Services LLC |
| 2026-05-13 | Widmar Mark ROfficer, Director | 1K | $312K | 0.001% | 2026-05-13 | Fidelity Brokerage Services LLC |
| 2026-05-13 | Verma Kuntal KumarOfficer | 1K | $349K | 0.001% | 2026-05-13 | Fidelity Brokerage Services LLC |
| 2026-05-11 | Widmar Mark ROfficer, Director | 10K | $2.3M | 0.009% | 2026-05-11 | Fidelity Brokerage Services LLC |
| 2026-05-11 | Verma Kuntal KumarOfficer | 2K | $500K | 0.002% | 2026-05-11 | Fidelity Brokerage Services LLC |
| 2026-05-06 | Theurer Nathan B.Officer | 31 | $7K | 0.000% | 2026-05-06 | Fidelity Brokerage Services LLC |
| 2026-05-06 | Verma Kuntal KumarOfficer | 270 | $59K | 0.000% | 2026-05-06 | Fidelity Brokerage Services LLC |
| 2026-05-06 | Dymbort Jason E.Officer | 228 | $50K | 0.000% | 2026-05-06 | Fidelity Brokerage Services LLC |
| 2026-05-05 | Stockdale CarolineOfficer | 262 | $56K | 0.000% | 2026-05-05 | Fidelity Brokerage Services LLC |
| 2026-05-05 | Gloeckler MarkusOfficer | 420 | $91K | 0.000% | 2026-05-05 | Fidelity Brokerage Services LLC |
| 2026-05-05 | Sloan Samantha L.Officer | 19 | $4K | 0.000% | 2026-05-05 | Fidelity Brokerage Services LLC |
| 2026-05-05 | Theurer Nathan B.Officer | 13 | $3K | 0.000% | 2026-05-05 | Fidelity Brokerage Services LLC |
| 2026-05-05 | Verma Kuntal KumarOfficer | 479 | $103K | 0.000% | 2026-05-05 | Fidelity Brokerage Services LLC |
| 2026-05-05 | Widmar Mark ROfficer, Director | 2K | $329K | 0.001% | 2026-05-05 | Fidelity Brokerage Services LLC |
| 2026-05-05 | Koralewski MichaelOfficer | 215 | $46K | 0.000% | 2026-05-05 | Fidelity Brokerage Services LLC |
| 2026-05-05 | Dymbort Jason E.Officer | 409 | $88K | 0.000% | 2026-05-05 | Fidelity Brokerage Services LLC |
| 2026-05-05 | Buehler Patrick JamesOfficer | 235 | $51K | 0.000% | 2026-05-05 | Fidelity Brokerage Services LLC |
| 2026-05-05 | Bradley Alexander R.Officer | 498 | $107K | 0.000% | 2026-05-05 | Fidelity Brokerage Services LLC |
| 2026-05-05 | ANTOUN GEORGESOfficer | 566 | $122K | 0.001% | 2026-05-05 | Fidelity Brokerage Services LLC |
| 2026-04-15 | Verma Kuntal KumarOfficer | 573 | $120K | 0.001% | 2026-04-15 | Fidelity Brokerage Services LLC |
| 2026-03-17 | Theurer Nathan B.Officer | 96 | $19K | 0.000% | 2026-03-17 | Fidelity Brokerage Services LLC |
| 2026-03-17 | Verma Kuntal KumarOfficer | 180 | $36K | 0.000% | 2026-03-17 | Fidelity Brokerage Services LLC |
| 2026-03-17 | Dymbort Jason E.Officer | 9K | $1.8M | 0.008% | 2026-03-17 | Fidelity Brokerage Services LLC |
| 2026-03-17 | Bradley Alexander R.Officer | 14K | $2.8M | 0.013% | 2026-03-17 | Fidelity Brokerage Services LLC |
| 2026-03-16 | Verma Kuntal KumarOfficer | 392 | $79K | 0.000% | 2026-03-16 | Fidelity Brokerage Services LLC |
| 2026-03-16 | Widmar Mark ROfficer, Director | 2K | $389K | 0.002% | 2026-03-16 | Fidelity Brokerage Services LLC |
| 2026-03-16 | Koralewski MichaelOfficer | 264 | $53K | 0.000% | 2026-03-16 | Fidelity Brokerage Services LLC |
| 2026-03-16 | Gloeckler MarkusOfficer | 368 | $74K | 0.000% | 2026-03-16 | Fidelity Brokerage Services LLC |
| 2026-03-16 | Theurer Nathan B.Officer | 35 | $7K | 0.000% | 2026-03-16 | Fidelity Brokerage Services LLC |
| 2026-03-16 | Stockdale CarolineOfficer | 335 | $67K | 0.000% | 2026-03-16 | Fidelity Brokerage Services LLC |
| 2026-03-16 | Sloan Samantha L.Officer | 120 | $24K | 0.000% | 2026-03-16 | Fidelity Brokerage Services LLC |
| 2026-03-16 | Dymbort Jason E.Officer | 358 | $72K | 0.000% | 2026-03-16 | Fidelity Brokerage Services LLC |
| 2026-03-16 | Buehler Patrick JamesOfficer | 180 | $36K | 0.000% | 2026-03-16 | Fidelity Brokerage Services LLC |
| 2026-03-16 | Bradley Alexander R.Officer | 590 | $118K | 0.001% | 2026-03-16 | Fidelity Brokerage Services LLC |
| 2026-03-16 | ANTOUN GEORGESOfficer | 245 | $49K | 0.000% | 2026-03-16 | Fidelity Brokerage Services LLC |
| 2026-03-10 | Verma Kuntal KumarOfficer | 408 | $80K | 0.000% | 2026-03-10 | Fidelity Brokerage Services LLC |
| 2026-03-10 | Theurer Nathan B.Officer | 324 | $63K | 0.000% | 2026-03-10 | Fidelity Brokerage Services LLC |
| 2026-03-09 | Sloan Samantha L.Officer | 303 | $58K | 0.000% | 2026-03-09 | Fidelity Brokerage Services LLC |
Large holders (13D and 13G)
One row per reporting person with its latest filing, newest first. JSON16 holders report 5% or more of FSLR in their latest filing, all on Schedule 13G (passive). The largest reported stake is BlackRock, Inc. at 11.8% of the class (12,659,898 shares), filed 2026-07-28 for an event on 2026-06-30.
| Filed | Form | Holder | Shares | Of class | Event |
|---|---|---|---|---|---|
| 2026-10-15 | 13G/Ano. 1 | Citadel Securities Group LPparent holding company, partnership | 6.4M | 6.0% | 2026-10-08 |
| 2026-10-15 | 13G/Ano. 1 | Citadel Securities GP LLCparent holding company, other entity | 6.4M | 6.0% | 2026-10-08 |
| 2026-10-15 | 13G/Ano. 1 | Kenneth Griffinparent holding company, individual | 6.5M | 6.0% | 2026-10-08 |
| 2026-10-15 | 13G/Ano. 1 | Citadel Securities LLCbroker-dealer, other entity | 5.3M | 4.9% | 2026-10-08 |
| 2026-10-15 | 13G/Ano. 1 | Citadel Advisors LLCinvestment adviser, parent holding company, other entity | 37K | 0.0% | 2026-10-08 |
| 2026-10-15 | 13G/Ano. 1 | Citadel Advisors Holdings LPparent holding company, partnership | 37K | 0.0% | 2026-10-08 |
| 2026-10-15 | 13G/Ano. 1 | Citadel GP LLCparent holding company, other entity | 37K | 0.0% | 2026-10-08 |
| 2026-08-14 | 13G/Ano. 3 | Susquehanna Fundamental Investments, LLCother entity | 7.5M | 7.0% | 2026-06-30 |
| 2026-08-14 | 13G/Ano. 3 | G1 Execution Services, LLCbroker-dealer, other entity | 7.5M | 7.0% | 2026-06-30 |
| 2026-08-14 | 13G/Ano. 3 | SIG Brokerage, LPbroker-dealer, partnership | 7.5M | 7.0% | 2026-06-30 |
| 2026-08-14 | 13G/Ano. 3 | Susquehanna Investment Groupbroker-dealer, partnership | 7.5M | 7.0% | 2026-06-30 |
| 2026-08-14 | 13G/Ano. 3 | Susquehanna Securities, LLCbroker-dealer, other entity | 7.5M | 7.0% | 2026-06-30 |
| 2026-08-13 | 13G | JANE STREET GROUP, LLCparent holding company | 5.5M | 5.1% | 2026-06-30 |
| 2026-08-13 | 13G | Jane Street Capital, LLCbroker-dealer | 5.5M | 5.1% | 2026-06-30 |
| 2026-08-13 | 13G | Jane Street Global Trading, LLCother entity | 4K | 0.0% | 2026-06-30 |
| 2026-08-13 | 13G | Jane Street Singapore Pte. Ltdother entity | 82 | 0.0% | 2026-06-30 |
| 2026-08-07 | 13G | STATE STREET CORPORATIONparent holding company | 5.6M | 5.2% | 2026-06-30 |
| 2026-07-28 | 13G/Ano. 9 | BlackRock, Inc.parent holding company | 12.7M | 11.8% | 2026-06-30 |
| 2026-05-15 | 13G/Ano. 2 | Capital Ventures Internationalcorporation | 5.7M | 5.3% | 2026-03-31 |
| 2026-05-15 | 13G/Ano. 2 | Susquehanna Advisors Group, Inc.corporation | 5.7M | 5.3% | 2026-03-31 |
| 2026-05-06 | 13G/Ano. 1 | FMR LLCparent holding company | 1.8M | 1.7% | 2026-03-31 |
| 2026-05-06 | 13G/Ano. 1 | Abigail P. Johnsonindividual | 1.8M | 1.7% | 2026-03-31 |
| 2026-04-29 | 13G | Vanguard Portfolio Managementinvestment adviser | 5.7M | 5.3% | 2026-03-31 |
| 2026-04-29 | 13G | Vanguard Capital Managementinvestment adviser | 7.8M | 7.3% | 2026-03-31 |
| 2026-03-26 | 13G/Ano. 12 | The Vanguard Groupinvestment adviser | 0 | 0.0% | 2026-03-13 |
13F holders
Tracked managers holding FSLR at their latest 13F. JSON9 of the 30 tracked managers held FSLR at their latest 13F, $514.9M in total at quarter-end prices. D. E. Shaw & Co. is the largest at $311.3M (0.1% of its portfolio) as of 2026-06-30. Over the prior quarter 3 added shares and 6 cut.
| Fund | Quarter | Shares | Value | Of portfolio | Change in shares |
|---|---|---|---|---|---|
| D. E. Shaw & Co. | 2026-06-30 | 1.3M | $311.3M | 0.15% | +1.3M |
| AQR Capital Management | 2026-06-30 | 415K | $97.9M | 0.03% | -387K |
| Millennium Management | 2026-06-30 | 257K | $60.6M | 0.02% | -695K |
| Citadel Advisors | 2026-06-30 | 89K | $21.1M | 0.00% | -249K |
| Renaissance Technologies | 2026-06-30 | 44K | $10.3M | 0.01% | -58K |
| Point72 Asset Management | 2026-06-30 | 40K | $9.4M | 0.01% | new |
| Two Sigma Investments | 2026-06-30 | 12K | $2.8M | 0.00% | -144K |
| Soros Fund Management | 2026-06-30 | 4K | $926K | 0.01% | new |
| Fisher Asset Management | 2026-06-30 | 2K | $585K | 0.00% | -20K |
Only the 30 tracked managers on the funds hub; a 13F reports long positions in US listed stock at quarter end, 45 days late, and says nothing about shorts or positions sold since.
Financials
SEC XBRL, as filed. JSONIn Q2 FY 2026 (quarter ended 2026-06-30) First Solar reported revenue of $1.06B, down 3.7% from the same quarter a year earlier, and net income of $422.6M (3.92 diluted EPS). In FY 2025 it generated $2.06B of operating cash flow. As of 2026-06-30, cash was $1.69B against $37.6M of debt.
- Cash
- $1.69B
- Debt
- $37.6M
- Equity
- $10.32B
- Total assets
- $13.39B
- Shares outstanding
- 107,469,788
Quarterly, last 8 quarters
| Quarter | Period end | Revenue | Net income | Margin | Diluted EPS |
|---|---|---|---|---|---|
| Q2 FY 2026 | 2026-06-30 | $1.06B | $422.6M | 40.0% | 3.92 |
| Q1 FY 2026 | 2026-03-31 | $1.04B | $346.6M | 33.2% | 3.22 |
| Q4 FY 2025derived | 2025-12-31 | $1.68B | $520.9M | 31.0% | n/a |
| Q3 FY 2025 | 2025-09-30 | $1.59B | $455.9M | 28.6% | 4.24 |
| Q2 FY 2025 | 2025-06-30 | $1.10B | $341.9M | 31.2% | 3.18 |
| Q1 FY 2025 | 2025-03-31 | $844.6M | $209.5M | 24.8% | 1.95 |
| Q4 FY 2024derived | 2024-12-31 | $1.51B | $393.1M | 26.0% | n/a |
| Q3 FY 2024 | 2024-09-30 | $887.7M | $313.0M | 35.3% | 2.91 |
Fiscal years, with buybacks and dividends
| Fiscal year | Ends | Revenue | Net income | Operating cash flow | Capex | Buybacks | Dividends |
|---|---|---|---|---|---|---|---|
| FY 2025 | 2025-12-31 | $5.22B | $1.53B | $2.06B | $869.9M | n/a | n/a |
| FY 2024 | 2024-12-31 | $4.21B | $1.29B | $1.22B | $1.53B | n/a | n/a |
| FY 2023 | 2023-12-31 | $3.32B | $830.8M | $602.3M | $1.39B | n/a | n/a |
| FY 2022 | 2022-12-31 | $2.62B | -$44.2M | $873.4M | $903.6M | n/a | n/a |
| FY 2021 | 2021-12-31 | $2.92B | $468.7M | $237.6M | $540.3M | n/a | n/a |
Quarters are the three-month figures the company reports; a fourth quarter marked derived is the fiscal year less the three reported quarters, since companies report it only inside the 10-K. Fiscal years are the annual figures. Buybacks are the cash the company paid to repurchase its common stock in the year, not the amount authorized. Balance sheet lines are as of 2026-06-30; shares outstanding as of 2026-07-24 from the cover page.
What this page is
First Solar in the regulatory record
Regulators publish company data in separate files that never sit next to each other: FINRA's twice-monthly short interest, its daily short sale volume, the SEC's fails-to-deliver counts, and each insider's Form 4. A company page puts those series for one ticker on one URL, with planned sales, large holders, 13F holders and financials beside them, so the short position, the daily flow, the settlement fails and what insiders are doing can be read together.
Each section has its own history table, a one-line summary of the latest figures and its own JSON and CSV links, and says when its source last updated.
This page follows First Solar (FSLR), SEC CIK 1274494, listed on Nasdaq, classified by the SEC as semiconductors & related devices. The cross-market tables live on the short interest and insider transactions hubs.
Source and updates
- Short interest
- FINRA consolidated short interestSource: FINRA.Twice a month, about eight business days after settlement. Latest 2026-10-15.JSON and CSV
- Daily short volume
- FINRA Reg SHO daily filesSource: FINRA.Every trading day, the morning after FINRA posts it. Latest 2026-10-28.JSON and CSV
- Fails to deliver
- SEC fails-to-deliver dataSource: SEC.Twice a month, a few weeks after the half month ends. Latest 2026-09-29.JSON and CSV
- Planned sales
- SEC EDGAR Form 144Source: SEC.New notices appear shortly after the SEC posts them; a notice is filed on or before the sale. Latest 2026-10-01.JSON and CSV
- Large holders
- SEC EDGAR Schedule 13D and 13GSource: SEC.New filings appear shortly after the SEC posts them. A 13D is due within five business days of crossing 5%; a 13G follows the passive schedule. Latest 2026-10-15.JSON and CSV
- 13F holders
- SEC EDGAR Form 13F-HRSource: SEC.Quarterly, filed within 45 days of quarter end; 30 tracked managers. Latest 2026-06-30.JSON and CSV
- Financials
- SEC EDGAR 10-K and 10-Q filingsSource: SEC.Weekly; values are as filed in the 10-Q and 10-K. Latest 2026-06-30.JSON and CSV
- Earnings dates
- SEC EDGAR 8-K filings (Item 2.02)Source: SEC.Twice a day. Reported dates come from the company's 8-K filings; the next date is marked as an estimate until the 8-K arrives. Latest 2026-07-30.JSON and CSV
- Insider trades
- SEC EDGAR Form 4Source: SEC.New filings appear shortly after the SEC posts them; they're due two business days after the trade. Latest 2026-10-01.JSON and CSV
- Company record
- EDGAR filing index for CIK 1274494Ticker, name and exchange from the SEC's company list, refreshed weekly.
- Rate limits
- 10 requests a minute without a key, 30 with a free key from a free account.
How to read it
- Read the position against the flow: rising short interest with a high daily short share is new shorting; rising short interest with a normal short share is old shorts holding on.
- Insider buys next to a large short position are rare and stand out; insider sells next to one are common and mean little.
- Fails to deliver matter relative to the float, not in absolute shares; a million failed shares in a mega cap is noise.
Analysis of what the data shows, not advice. XOOMAR does not recommend buying, selling or holding anything.
Other companies the SEC classifies as semiconductors & related devices
Other company pages
Datasets
Frequently Asked Questions
How much of FSLR is sold short?
11,595,120 shares were held short at the 2026-10-15 settlement, 5.8 days of average volume. FINRA publishes the next count about eight business days after the 15th and the last business day of the month.
What is FSLR's daily short volume?
On 2026-10-28, 528,825 of the 819,095 FSLR shares reported to FINRA were sold short, 64.6% of the day's reported volume. Short volume is a flow for one day, not a position.
Does FSLR have fails to deliver?
The SEC's latest file shows 9,936 FSLR shares failed to deliver at settlement 2026-09-29. Fails are reported per settlement date and published twice a month with a lag.
Are FSLR insiders buying or selling?
Insiders at FSLR reported 9 open-market sells worth $3.8M in the last 90 days and no open-market buys. Latest filing: Gloeckler Markus (Chief Technology Officer) on 2026-10-01.
Have FSLR insiders filed to sell?
50 Form 144 notices on file for FSLR worth $21.4M at the prices reported; 7 in the last 90 days worth $3.8M. Latest: Gloeckler Markus filed on 2026-10-01 to sell 800 shares ($139K) from 2026-10-01.
Who owns 5% or more of FSLR?
16 holders report 5% or more of FSLR in their latest filing, all on Schedule 13G (passive). The largest reported stake is BlackRock, Inc. at 11.8% of the class (12,659,898 shares), filed 2026-07-28 for an event on 2026-06-30.
What did FSLR report last quarter?
In Q2 FY 2026 (quarter ended 2026-06-30) First Solar reported revenue of $1.06B, down 3.7% from the same quarter a year earlier, and net income of $422.6M (3.92 diluted EPS). In FY 2025 it generated $2.06B of operating cash flow. As of 2026-06-30, cash was $1.69B against $37.6M of debt.
Which tracked 13F managers own FSLR?
9 of the 30 tracked 13F managers held FSLR shares at their latest filing, $514.9M in all. The largest: D. E. Shaw & Co. (1.3M shares, $311.3M), Cliff Asness's AQR Capital Management (415K shares, $97.9M), Izzy Englander's Millennium Management (257K shares, $60.6M), Ken Griffin's Citadel Advisors (89K shares, $21.1M), Renaissance Technologies (44K shares, $10.3M), Steve Cohen's Point72 Asset Management (40K shares, $9.4M). The table above lists all 9.
Data on this page is provided for informational purposes only and is not financial advice. See our editorial policy.