Inovio Pharmaceuticals (INO)
Inovio Pharmaceuticals on one page: short interest, daily short volume, fails to deliver, large holders, 13F holders, earnings dates and insider trades. Listed on Nasdaq, classified by the SEC as pharmaceutical preparations.
21.3M
Short interest
settlement 2026-10-15
6.9
Days to cover
-0.6 days vs prior
43.5%
Short share of volume
2026-11-02
255
Fails to deliver
settlement 2026-10-14
Thu 12 Nov
Next earnings
estimated date
$0
Insider flow, 90 days
0 buys, 0 sells
As of 2026-11-02.
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 INO is 21,304,238 shares, up 1,382,462 shares over the last month. Over the last 48 readings it ranged from 3,504,745 shares (31 October 2024) to 21,304,238 shares (15 October 2026). The latest reading sits at the top of that range. At the reported average volume of 3.1M shares a day that is 6.9 days to cover.
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| Settlement | Shares short | Change | Avg daily volume | Days to cover |
|---|---|---|---|---|
| 2026-10-15 | 21,304,238 | +2.3% | 3,071,613 | 6.94 |
| 2026-09-30 | 20,816,392 | +4.5% | 2,744,152 | 7.59 |
| 2026-09-15 | 19,921,776 | +3.5% | 3,046,353 | 6.54 |
| 2026-08-31 | 19,252,384 | -3.6% | 4,420,305 | 4.36 |
| 2026-08-14 | 19,962,974 | +24.4% | 5,352,512 | 3.73 |
| 2026-07-31 | 16,042,271 | +10.1% | 5,117,559 | 3.13 |
| 2026-07-15 | 14,568,789 | -3.1% | 1,588,004 | 9.17 |
| 2026-06-30 | 15,043,165 | -7.2% | 1,443,328 | 10.42 |
| 2026-06-15 | 16,203,479 | -0.4% | 1,503,302 | 10.78 |
| 2026-05-29 | 16,268,843 | +1.8% | 2,804,535 | 5.80 |
| 2026-05-15 | 15,979,651 | +12.3% | 5,048,594 | 3.17 |
| 2026-04-30 | 14,235,596 | +11.5% | 1,452,061 | 9.80 |
| 2026-04-15 | 12,768,874 | +29.2% | 4,714,170 | 2.71 |
| 2026-03-31 | 9,884,839 | -8.1% | 820,959 | 12.04 |
| 2026-03-13 | 10,757,832 | -1.9% | 727,499 | 14.79 |
| 2026-02-27 | 10,960,650 | -4.0% | 761,607 | 14.39 |
| 2026-02-13 | 11,418,437 | -8.3% | 1,132,083 | 10.09 |
| 2026-01-30 | 12,450,335 | +6.5% | 993,675 | 12.53 |
| 2026-01-15 | 11,694,010 | +18.5% | 2,000,065 | 5.85 |
| 2025-12-31 | 9,867,930 | +4.5% | 2,260,716 | 4.36 |
| 2025-12-15 | 9,445,637 | +9.5% | 1,220,487 | 7.74 |
| 2025-11-28 | 8,629,046 | +4.5% | 1,000,416 | 8.63 |
| 2025-11-14 | 8,259,257 | +0.6% | 1,687,448 | 4.89 |
| 2025-10-31 | 8,209,858 | +8.3% | 1,026,336 | 8.00 |
| 2025-10-15 | 7,580,599 | -0.6% | 1,006,265 | 7.53 |
| 2025-09-30 | 7,626,088 | +1.8% | 931,591 | 8.19 |
| 2025-09-15 | 7,493,206 | +13.6% | 2,077,758 | 3.61 |
| 2025-08-29 | 6,594,846 | +17.1% | 2,263,745 | 2.91 |
| 2025-08-15 | 5,633,794 | +10.5% | 2,153,867 | 2.62 |
| 2025-07-31 | 5,096,499 | -14.9% | 1,514,062 | 3.37 |
| 2025-07-15 | 5,987,719 | +8.8% | 5,033,336 | 1.19 |
| 2025-06-30 | 5,500,739 | -14.8% | 1,051,159 | 5.23 |
| 2025-06-13 | 6,460,315 | -1.6% | 766,337 | 8.43 |
| 2025-05-30 | 6,567,916 | -6.3% | 604,342 | 10.87 |
| 2025-05-15 | 7,009,769 | +8.4% | 523,632 | 13.39 |
| 2025-04-30 | 6,464,542 | -3.2% | 406,654 | 15.90 |
| 2025-04-15 | 6,679,286 | +4.4% | 781,131 | 8.55 |
| 2025-03-31 | 6,397,683 | +19.5% | 904,176 | 7.08 |
| 2025-03-14 | 5,354,671 | -3.1% | 497,018 | 10.77 |
| 2025-02-28 | 5,524,030 | +2.6% | 774,824 | 7.13 |
| 2025-02-14 | 5,384,350 | +7.5% | 641,989 | 8.39 |
| 2025-01-31 | 5,008,569 | +2.4% | 804,111 | 6.23 |
| 2025-01-15 | 4,890,100 | +12.7% | 1,527,309 | 3.20 |
| 2024-12-31 | 4,339,843 | -3.2% | 1,320,119 | 3.29 |
| 2024-12-13 | 4,482,959 | +18.6% | 1,456,567 | 3.08 |
| 2024-11-29 | 3,779,695 | +0.7% | 440,962 | 8.57 |
| 2024-11-15 | 3,752,705 | +7.1% | 397,951 | 9.43 |
| 2024-10-31 | 3,504,745 | +0.8% | 226,985 | 15.44 |
Daily short volume
FINRA Reg SHO, the last 30 sessions. JSONAs of 2 November 2026, the short share of INO volume is 43.5%, up 8.0 points over the last five sessions. Over the last 30 readings it ranged from 23.4% (20 October 2026) to 51.7% (7 October 2026). The latest reading is 5.9 points above the 30-session average of 37.7%, on 114.4M shares reported.
| Date | Short volume | Total volume | Short share | Exempt |
|---|---|---|---|---|
| 2026-11-02 | 49.8M | 114.4M | 43.5% | 11,641,082 |
| 2026-10-30 | 2.9M | 7.0M | 41.3% | 606,707 |
| 2026-10-29 | 2.4M | 4.9M | 48.8% | 455,801 |
| 2026-10-28 | 944K | 3.0M | 31.6% | 9,400 |
| 2026-10-27 | 629K | 2.3M | 27.4% | 0 |
| 2026-10-26 | 610K | 1.7M | 35.6% | 1,000 |
| 2026-10-23 | 541K | 2.2M | 24.6% | 0 |
| 2026-10-22 | 1.4M | 3.6M | 37.4% | 327,957 |
| 2026-10-21 | 2.0M | 6.3M | 32.1% | 282,955 |
| 2026-10-20 | 338K | 1.4M | 23.4% | 1,486 |
| 2026-10-19 | 425K | 1.5M | 27.8% | 100 |
| 2026-10-16 | 565K | 1.4M | 41.4% | 0 |
| 2026-10-15 | 376K | 1.1M | 34.6% | 1,619 |
| 2026-10-14 | 612K | 1.8M | 34.6% | 201,366 |
| 2026-10-13 | 1.8M | 5.4M | 32.6% | 305,323 |
| 2026-10-12 | 412K | 1.0M | 40.1% | 0 |
| 2026-10-09 | 631K | 1.4M | 43.9% | 625 |
| 2026-10-08 | 532K | 1.1M | 46.5% | 0 |
| 2026-10-07 | 768K | 1.5M | 51.7% | 2,454 |
| 2026-10-06 | 468K | 1.1M | 41.7% | 988 |
| 2026-10-05 | 662K | 1.5M | 44.5% | 800 |
| 2026-10-02 | 531K | 1.5M | 35.6% | 120 |
| 2026-10-01 | 405K | 1.0M | 39.0% | 0 |
| 2026-09-30 | 612K | 1.2M | 51.1% | 17,245 |
| 2026-09-29 | 556K | 1.3M | 42.0% | 812 |
| 2026-09-28 | 291K | 1.1M | 26.7% | 1,200 |
| 2026-09-25 | 469K | 1.4M | 34.6% | 1,200 |
| 2026-09-24 | 636K | 1.8M | 34.7% | 984 |
| 2026-09-23 | 749K | 1.8M | 41.5% | 2,431 |
| 2026-09-22 | 634K | 1.6M | 39.8% | 2,617 |
Fails to deliver
SEC, the last 30 settlement dates with a fail. JSONAs of 14 October 2026, the fails-to-deliver balance in INO is 255 shares, down 16,914 shares over the last settlement date. Over the last 30 readings it ranged from 16 shares (28 September 2026) to 234,629 shares (26 August 2026). The latest reading sits at the bottom of that range.
| Settlement | Shares failed | Price | Value |
|---|---|---|---|
| 2026-10-14 | 255 | $1.00 | $255 |
| 2026-10-08 | 17,169 | $1.16 | $20K |
| 2026-10-07 | 14,733 | $1.13 | $17K |
| 2026-10-06 | 147 | $1.15 | $169 |
| 2026-10-01 | 342 | $1.22 | $417 |
| 2026-09-28 | 16 | $1.18 | $19 |
| 2026-09-24 | 2,541 | $1.25 | $3K |
| 2026-09-23 | 2,251 | $1.29 | $3K |
| 2026-09-22 | 165,516 | $1.24 | $205K |
| 2026-09-21 | 173,850 | $1.24 | $216K |
| 2026-09-18 | 176,800 | $1.21 | $214K |
| 2026-09-16 | 16,231 | $1.16 | $19K |
| 2026-09-15 | 52,554 | $1.18 | $62K |
| 2026-09-14 | 100,909 | $1.25 | $126K |
| 2026-09-11 | 22,039 | $1.28 | $28K |
| 2026-09-10 | 109 | $1.32 | $144 |
| 2026-09-08 | 464 | $1.43 | $664 |
| 2026-09-04 | 37,194 | $1.36 | $51K |
| 2026-09-03 | 2,635 | $1.36 | $4K |
| 2026-09-02 | 13,606 | $1.33 | $18K |
| 2026-09-01 | 3,274 | $1.27 | $4K |
| 2026-08-31 | 59 | $1.29 | $76 |
| 2026-08-28 | 783 | $1.26 | $987 |
| 2026-08-27 | 1,266 | $1.30 | $2K |
| 2026-08-26 | 234,629 | $1.29 | $303K |
| 2026-08-25 | 134,524 | $1.25 | $168K |
| 2026-08-24 | 1,000 | $1.18 | $1K |
| 2026-08-21 | 710 | $1.21 | $859 |
| 2026-08-20 | 22,946 | $1.30 | $30K |
| 2026-08-19 | 80,079 | $1.20 | $96K |
Insider trades
SEC Form 4, newest first. JSONNo open-market insider trades were reported for INO in the last 90 days. The most recent filings are listed below. Latest filing: Shea Jacqueline Elizabeth (Chief Executive Officer) on 2026-05-20.
| Date | Insider | Title | Type | Shares | Price | Value | Owned after |
|---|---|---|---|---|---|---|---|
| 2026-05-20 | Shea Jacqueline Elizabeth | Chief Executive Officer | Tax withholding | 12K | $1.23 | $15K | 111K |
| 2026-05-20 | Shea Jacqueline Elizabeth | Chief Executive Officer | Exercise or conversion | 28K | price not stated in the filing | not stated | 123K |
| 2026-05-20 | KIES PETER | CFO | Exercise or conversion | 9K | price not stated in the filing | not stated | 48K |
| 2026-05-20 | KIES PETER | CFO | Tax withholding | 5K | $1.23 | $6K | 43K |
| 2026-05-20 | Sumner Michael John | Chief Medical Officer | Tax withholding | 3K | $1.23 | $3K | 42K |
| 2026-05-20 | Sumner Michael John | Chief Medical Officer | Exercise or conversion | 9K | price not stated in the filing | not stated | 45K |
| 2026-05-20 | Humeau Laurent | Chief Scientific Officer | Exercise or conversion | 6K | price not stated in the filing | not stated | 49K |
| 2026-05-20 | Humeau Laurent | Chief Scientific Officer | Tax withholding | 2K | $1.23 | $3K | 47K |
| 2026-05-15 | Sumner Michael John | Chief Medical Officer | Tax withholding | 680 | $1.30 | $884 | 35K |
| 2026-05-15 | Sumner Michael John | Chief Medical Officer | Exercise or conversion | 2K | price not stated in the filing | not stated | 36K |
| 2026-05-15 | Humeau Laurent | Chief Scientific Officer | Tax withholding | 2K | $1.30 | $2K | 43K |
| 2026-05-15 | Humeau Laurent | Chief Scientific Officer | Exercise or conversion | 5K | price not stated in the filing | not stated | 45K |
| 2026-05-15 | KIES PETER | CFO | Exercise or conversion | 5K | price not stated in the filing | not stated | 41K |
| 2026-05-15 | KIES PETER | CFO | Tax withholding | 3K | $1.30 | $3K | 39K |
| 2026-05-15 | Shea Jacqueline Elizabeth | Chief Executive Officer | Exercise or conversion | 18K | price not stated in the filing | not stated | 103K |
| 2026-05-15 | Shea Jacqueline Elizabeth | Chief Executive Officer | Tax withholding | 8K | $1.30 | $10K | 95K |
| 2026-03-31 | Sumner Michael John | Chief Medical Officer | Exercise or conversion | 4K | price not stated in the filing | not stated | 35K |
| 2026-03-31 | Sumner Michael John | Chief Medical Officer | Tax withholding | 1K | $1.74 | $2K | 34K |
| 2026-02-26 | Weiner David B. | Director | Exercise or conversion | 972 | price not stated in the filing | not stated | 88K |
| 2026-02-26 | Sumner Michael John | Chief Medical Officer | Exercise or conversion | 5K | price not stated in the filing | not stated | 23K |
| 2026-02-26 | Sumner Michael John | Chief Medical Officer | Exercise or conversion | 12K | price not stated in the filing | not stated | 34K |
| 2026-02-26 | Sumner Michael John | Chief Medical Officer | Tax withholding | 4K | $1.79 | $7K | 31K |
| 2026-02-26 | Shea Jacqueline Elizabeth | Chief Executive Officer | Tax withholding | 8K | $1.79 | $14K | 70K |
| 2026-02-26 | Shea Jacqueline Elizabeth | Chief Executive Officer | Exercise or conversion | 28K | price not stated in the filing | not stated | 99K |
| 2026-02-26 | Shea Jacqueline Elizabeth | Chief Executive Officer | Tax withholding | 14K | $1.79 | $24K | 85K |
| 2026-02-26 | Shea Jacqueline Elizabeth | Chief Executive Officer | Exercise or conversion | 19K | price not stated in the filing | not stated | 78K |
| 2026-02-26 | KIES PETER | CFO | Tax withholding | 6K | $1.79 | $11K | 37K |
| 2026-02-26 | KIES PETER | CFO | Exercise or conversion | 5K | price not stated in the filing | not stated | 35K |
| 2026-02-26 | KIES PETER | CFO | Exercise or conversion | 11K | price not stated in the filing | not stated | 43K |
| 2026-02-26 | KIES PETER | CFO | Tax withholding | 3K | $1.79 | $5K | 32K |
| 2026-02-26 | Humeau Laurent | Chief Scientific Officer | Exercise or conversion | 7K | price not stated in the filing | not stated | 43K |
| 2026-02-26 | Humeau Laurent | Chief Scientific Officer | Tax withholding | 2K | $1.79 | $4K | 36K |
| 2026-02-26 | Humeau Laurent | Chief Scientific Officer | Exercise or conversion | 5K | price not stated in the filing | not stated | 38K |
| 2026-02-26 | Humeau Laurent | Chief Scientific Officer | Tax withholding | 3K | $1.79 | $5K | 40K |
| 2025-06-30 | Sumner Michael John | Chief Medical Officer | Exercise or conversion | 3K | price not stated in the filing | not stated | 18K |
| 2025-05-21 | Weiner David B. | Director | Exercise or conversion | 2K | price not stated in the filing | not stated | 87K |
| 2025-05-21 | DANSEY ROGER D | Director | Exercise or conversion | 2K | price not stated in the filing | not stated | 9K |
| 2025-05-21 | YARNO WENDY L | Director | Exercise or conversion | 2K | price not stated in the filing | not stated | 11K |
| 2025-05-21 | BENITO SIMON X | Director | Exercise or conversion | 2K | price not stated in the filing | not stated | 12K |
| 2025-05-21 | Shepard Jay | Director | Exercise or conversion | 2K | price not stated in the filing | not stated | 9K |
| 2025-05-21 | Miller Ann Calby | Director | Exercise or conversion | 2K | price not stated in the filing | not stated | 10K |
| 2025-05-21 | Zoth Lota S. | Director | Exercise or conversion | 2K | price not stated in the filing | not stated | 9K |
| 2025-05-15 | Humeau Laurent | Chief Scientific Officer | Tax withholding | 2K | $1.95 | $3K | 33K |
| 2025-05-15 | Humeau Laurent | Chief Scientific Officer | Exercise or conversion | 5K | price not stated in the filing | not stated | 34K |
| 2025-05-15 | KIES PETER | CFO | Tax withholding | 3K | $1.95 | $5K | 30K |
| 2025-05-15 | KIES PETER | CFO | Exercise or conversion | 5K | price not stated in the filing | not stated | 33K |
| 2025-05-15 | Shea Jacqueline Elizabeth | Chief Executive Officer | Tax withholding | 8K | $1.95 | $15K | 60K |
| 2025-05-15 | Shea Jacqueline Elizabeth | Chief Executive Officer | Exercise or conversion | 18K | price not stated in the filing | not stated | 67K |
| 2025-05-15 | Sumner Michael John | Chief Medical Officer | Exercise or conversion | 2K | price not stated in the filing | not stated | 16K |
| 2025-05-15 | Sumner Michael John | Chief Medical Officer | Tax withholding | 680 | $1.95 | $1K | 15K |
| 2025-05-10 | Shea Jacqueline Elizabeth | Chief Executive Officer | Exercise or conversion | 6K | price not stated in the filing | not stated | 52K |
| 2025-05-10 | Shea Jacqueline Elizabeth | Chief Executive Officer | Tax withholding | 2K | $1.80 | $4K | 50K |
| 2025-02-26 | Weiner David B. | Director | Exercise or conversion | 972 | price not stated in the filing | not stated | 84K |
| 2025-02-26 | Weiner David B. | Director | Exercise or conversion | 972 | price not stated in the filing | not stated | 83K |
| 2025-02-26 | KIES PETER | CFO | Tax withholding | 3K | $1.98 | $6K | 28K |
| 2025-02-26 | KIES PETER | CFO | Exercise or conversion | 5K | price not stated in the filing | not stated | 31K |
| 2025-02-26 | KIES PETER | CFO | Tax withholding | 2K | $1.98 | $5K | 26K |
| 2025-02-26 | KIES PETER | CFO | Exercise or conversion | 4K | price not stated in the filing | not stated | 28K |
| 2025-02-26 | Shea Jacqueline Elizabeth | Chief Executive Officer | Exercise or conversion | 19K | price not stated in the filing | not stated | 56K |
| 2025-02-26 | Shea Jacqueline Elizabeth | Chief Executive Officer | Exercise or conversion | 6K | price not stated in the filing | not stated | 39K |
| 2025-02-26 | Shea Jacqueline Elizabeth | Chief Executive Officer | Tax withholding | 2K | $1.98 | $5K | 37K |
| 2025-02-26 | Shea Jacqueline Elizabeth | Chief Executive Officer | Tax withholding | 9K | $1.98 | $18K | 47K |
| 2025-02-26 | Sumner Michael John | Chief Medical Officer | Exercise or conversion | 5K | price not stated in the filing | not stated | 13K |
| 2025-02-26 | Humeau Laurent | Chief Scientific Officer | Exercise or conversion | 5K | price not stated in the filing | not stated | 32K |
| 2025-02-26 | Humeau Laurent | Chief Scientific Officer | Tax withholding | 2K | $1.98 | $4K | 30K |
| 2025-02-26 | Humeau Laurent | Chief Scientific Officer | Exercise or conversion | 4K | price not stated in the filing | not stated | 28K |
| 2025-02-26 | Humeau Laurent | Chief Scientific Officer | Tax withholding | 2K | $1.98 | $3K | 27K |
| 2024-06-30 | Sumner Michael John | Chief Medical Officer | Exercise or conversion | 3K | price not stated in the filing | not stated | 8K |
| 2024-05-15 | Shea Jacqueline Elizabeth | Chief Executive Officer | Tax withholding | 8K | $13.07 | $101K | 34K |
| 2024-05-15 | Shea Jacqueline Elizabeth | Chief Executive Officer | Exercise or conversion | 18K | price not stated in the filing | not stated | 41K |
| 2024-05-15 | DANSEY ROGER D | Director | Exercise or conversion | 2K | price not stated in the filing | not stated | 7K |
| 2024-05-15 | Zoth Lota S. | Director | Exercise or conversion | 2K | price not stated in the filing | not stated | 7K |
| 2024-05-15 | YARNO WENDY L | Director | Exercise or conversion | 2K | price not stated in the filing | not stated | 8K |
| 2024-05-15 | Weiner David B. | Director | Exercise or conversion | 2K | price not stated in the filing | not stated | 83K |
| 2024-05-15 | Sumner Michael John | Chief Medical Officer | Exercise or conversion | 2K | price not stated in the filing | not stated | 5K |
| 2024-05-15 | Humeau Laurent | Chief Scientific Officer | Tax withholding | 2K | $13.07 | $22K | 24K |
| 2024-05-15 | Humeau Laurent | Chief Scientific Officer | Exercise or conversion | 5K | price not stated in the filing | not stated | 26K |
| 2024-05-15 | KIES PETER | CFO | Tax withholding | 3K | $13.07 | $33K | 24K |
| 2024-05-15 | KIES PETER | CFO | Exercise or conversion | 5K | price not stated in the filing | not stated | 27K |
| 2024-05-15 | Shepard Jay | Director | Exercise or conversion | 2K | price not stated in the filing | not stated | 7K |
| 2024-05-15 | BENITO SIMON X | Director | Exercise or conversion | 2K | price not stated in the filing | not stated | 10K |
| 2024-05-15 | Miller Ann Calby | Director | Exercise or conversion | 2K | price not stated in the filing | not stated | 8K |
| 2024-05-13 | DANSEY ROGER D | Director | Exercise or conversion | 1K | price not stated in the filing | not stated | 5K |
| 2024-05-10 | Shea Jacqueline Elizabeth | Chief Executive Officer | Exercise or conversion | 6K | price not stated in the filing | not stated | 26K |
| 2024-05-10 | Shea Jacqueline Elizabeth | Chief Executive Officer | Tax withholding | 2K | $10.65 | $25K | 24K |
| 2024-02-26 | Weiner David B. | Director | Exercise or conversion | 972 | price not stated in the filing | not stated | 80K |
| 2024-02-26 | Weiner David B. | Director | Exercise or conversion | 972 | price not stated in the filing | not stated | 78K |
| 2024-02-26 | KIES PETER | CFO | Tax withholding | 1K | $8.16 | $9K | 21K |
| 2024-02-26 | KIES PETER | CFO | Exercise or conversion | 4K | price not stated in the filing | not stated | 25K |
| 2024-02-26 | KIES PETER | CFO | Tax withholding | 2K | $8.16 | $19K | 22K |
| 2024-02-26 | KIES PETER | CFO | Exercise or conversion | 2K | price not stated in the filing | not stated | 22K |
| 2024-02-26 | Humeau Laurent | Chief Scientific Officer | Tax withholding | 770 | $8.16 | $6K | 19K |
| 2024-02-26 | Humeau Laurent | Chief Scientific Officer | Exercise or conversion | 4K | price not stated in the filing | not stated | 23K |
| 2024-02-26 | Humeau Laurent | Chief Scientific Officer | Exercise or conversion | 2K | price not stated in the filing | not stated | 20K |
| 2024-02-26 | Humeau Laurent | Chief Scientific Officer | Tax withholding | 2K | $8.16 | $13K | 21K |
| 2024-02-26 | Shea Jacqueline Elizabeth | Chief Executive Officer | Tax withholding | 3K | $8.16 | $23K | 21K |
| 2024-02-26 | Shea Jacqueline Elizabeth | Chief Executive Officer | Exercise or conversion | 6K | price not stated in the filing | not stated | 23K |
| 2024-02-26 | Shea Jacqueline Elizabeth | Chief Executive Officer | Exercise or conversion | 2K | price not stated in the filing | not stated | 18K |
| 2024-02-26 | Shea Jacqueline Elizabeth | Chief Executive Officer | Tax withholding | 872 | $8.16 | $7K | 18K |
| 2024-02-26 | Weiner David B. | Director | Exercise or conversion | 972 | price not stated in the filing | not stated | 79K |
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.
Large holders (13D and 13G)
One row per reporting person with its latest filing, newest first. JSON13 holders report 5% or more of INO in their latest filing, all on Schedule 13G (passive). The largest reported stake is FMR LLC at 10.3% of the class (8,454,797 shares), filed 2026-08-06 for an event on 2026-06-30.
| Filed | Form | Holder | Shares | Of class | Event |
|---|---|---|---|---|---|
| 2026-08-12 | 13G/Ano. 2 | Adage Capital Management, L.P.investment adviser, partnership | 3.4M | 4.0% | 2026-06-30 |
| 2026-08-12 | 13G/Ano. 2 | Robert Atchinsonparent holding company, individual | 3.4M | 4.0% | 2026-06-30 |
| 2026-08-12 | 13G/Ano. 2 | Phillip Grossparent holding company, individual | 3.4M | 4.0% | 2026-06-30 |
| 2026-08-07 | 13G | RA Capital Management, L.P.investment adviser, partnership | 10.7M | 9.9% | 2026-07-31 |
| 2026-08-07 | 13G | Peter Kolchinskyparent holding company, individual | 10.7M | 9.9% | 2026-07-31 |
| 2026-08-07 | 13G | Rajeev Shahparent holding company, individual | 10.7M | 9.9% | 2026-07-31 |
| 2026-08-07 | 13G | RA Capital Healthcare Fund, L.P.partnership | 10.7M | 9.9% | 2026-07-31 |
| 2026-08-06 | 13G/Ano. 2 | FMR LLCparent holding company | 8.5M | 10.3% | 2026-06-30 |
| 2026-08-06 | 13G/Ano. 2 | Abigail P. Johnsonindividual | 8.5M | 10.3% | 2026-06-30 |
| 2026-07-31 | 13G | Vanguard Capital Managementinvestment adviser | 4.2M | 5.0% | 2026-06-30 |
| 2026-05-15 | 13G/Ano. 1 | HIGHBRIDGE CAPITAL MANAGEMENT LLCinvestment adviser, other entity | 6.2M | 8.2% | 2026-03-31 |
| 2026-02-17 | 13G/Ano. 1 | Alyeska Investment Group, L.P.investment adviser | 4.0M | 6.0% | 2025-12-31 |
| 2026-02-17 | 13G/Ano. 1 | Alyeska Fund GP, LLCother entity | 4.0M | 6.0% | 2025-12-31 |
| 2026-02-17 | 13G/Ano. 1 | Anand Parekhindividual | 4.0M | 6.0% | 2025-12-31 |
| 2026-01-30 | 13G/Ano. 1 | The Vanguard Groupinvestment adviser | 3.3M | 5.0% | 2025-12-31 |
| 2025-12-08 | 13G/Ano. 1 | JANUS HENDERSON GROUP PLCinvestment adviser, parent holding company | 6.7M | 10.0% | 2025-11-28 |
| 2025-11-14 | 13G | Janus Henderson Biotech Innovation Master Fund Ltdinvestment company | 2.8M | 5.3% | 2025-09-30 |
| 2025-11-14 | 13G/Ano. 1 | Deep Track Capital, LPinvestment adviser, other entity | 1.3M | 2.4% | 2025-09-30 |
| 2025-11-14 | 13G/Ano. 1 | Deep Track Biotechnology Master Fund, Ltd.corporation | 1.3M | 2.4% | 2025-09-30 |
| 2025-11-14 | 13G/Ano. 1 | David Kroinparent holding company, individual | 1.3M | 2.4% | 2025-09-30 |
13F holders
Tracked managers holding INO at their latest 13F. JSON5 of the 30 tracked managers held INO at their latest 13F, $4.4M in total at quarter-end prices. D. E. Shaw & Co. is the largest at $1.5M (0.0% of its portfolio) as of 2026-06-30. Over the prior quarter 1 added shares and 4 cut.
| Fund | Quarter | Shares | Value | Of portfolio | Change in shares |
|---|---|---|---|---|---|
| D. E. Shaw & Co. | 2026-06-30 | 1.4M | $1.5M | 0.00% | -861K |
| Two Sigma Investments | 2026-06-30 | 1.2M | $1.4M | 0.00% | +849K |
| Millennium Management | 2026-06-30 | 796K | $876K | 0.00% | -615K |
| Renaissance Technologies | 2026-06-30 | 361K | $397K | 0.00% | -282K |
| Citadel Advisors | 2026-06-30 | 242K | $266K | 0.00% | -45K |
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.
What this page is
Inovio Pharmaceuticals 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 Inovio Pharmaceuticals (INO), SEC CIK 1055726, listed on Nasdaq, classified by the SEC as pharmaceutical preparations. 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 2026-11-02.JSON and CSV
- Fails to deliver
- SEC fails-to-deliver dataSource: SEC.Twice a month, a few weeks after the half month ends. Latest 2026-10-14.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 2026-08-12.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
- 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 2026-08-12.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 2026-05-20.JSON and CSV
- Company record
- EDGAR filing index for CIK 1055726Ticker, 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.
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Datasets
Frequently Asked Questions
How much of INO is sold short?
21,304,238 shares were held short at the 2026-10-15 settlement, 6.9 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 INO's daily short volume?
On 2026-11-02, 49,823,853 of the 114,436,544 INO shares reported to FINRA were sold short, 43.5% of the day's reported volume. Short volume is a flow for one day, not a position.
Does INO have fails to deliver?
The SEC's latest file shows 255 INO shares failed to deliver at settlement 2026-10-14. Fails are reported per settlement date and published twice a month with a lag.
Are INO insiders buying or selling?
No open-market insider trades were reported for INO in the last 90 days. The most recent filings are listed below. Latest filing: Shea Jacqueline Elizabeth (Chief Executive Officer) on 2026-05-20.
Who owns 5% or more of INO?
13 holders report 5% or more of INO in their latest filing, all on Schedule 13G (passive). The largest reported stake is FMR LLC at 10.3% of the class (8,454,797 shares), filed 2026-08-06 for an event on 2026-06-30.
Which tracked 13F managers own INO?
5 of the 30 tracked 13F managers held INO shares at their latest filing, $4.4M in all. The largest: D. E. Shaw & Co. (1.4M shares, $1.5M), Two Sigma Investments (1.2M shares, $1.4M), Izzy Englander's Millennium Management (796K shares, $876K), Renaissance Technologies (361K shares, $397K), Ken Griffin's Citadel Advisors (242K shares, $266K).
Data on this page is provided for informational purposes only and is not financial advice. See our editorial policy.