Ses AI (SES)
Ses AI on one page: short interest, daily short volume, fails to deliver, planned sales, large holders, 13F holders, earnings dates and insider trades. Listed on NYSE, classified by the SEC as miscellaneous electrical machinery, equipment & supplies.
42.9M
Short interest
settlement 2026-10-15
1.3
Days to cover
-1.3 days vs prior
78.8%
Short share of volume
2026-11-02
137,910
Fails to deliver
settlement 2026-10-14
Wed 4 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 SES is 42,902,638 shares, down 8,847,557 shares over the last month. Over the last 48 readings it ranged from 3,834,992 shares (15 September 2025) to 51,750,195 shares (15 September 2026). At the reported average volume of 33.0M shares a day that is 1.3 days to cover.
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| Settlement | Shares short | Change | Avg daily volume | Days to cover |
|---|---|---|---|---|
| 2026-10-15 | 42,902,638 | -16.2% | 32,989,472 | 1.30 |
| 2026-09-30 | 51,183,852 | -1.1% | 19,481,890 | 2.63 |
| 2026-09-15 | 51,750,195 | +16.4% | 22,536,657 | 2.30 |
| 2026-08-31 | 44,456,347 | +2.6% | 9,516,696 | 4.67 |
| 2026-08-14 | 43,340,990 | -2.0% | 16,792,021 | 2.58 |
| 2026-07-31 | 44,223,194 | +32.1% | 21,492,972 | 2.06 |
| 2026-07-15 | 33,464,677 | +8.4% | 13,222,481 | 2.53 |
| 2026-06-30 | 30,883,630 | +39.3% | 13,020,410 | 2.37 |
| 2026-06-15 | 22,166,609 | -3.3% | 6,743,455 | 3.29 |
| 2026-05-29 | 22,931,221 | -0.1% | 10,842,920 | 2.11 |
| 2026-05-15 | 22,950,035 | +33.4% | 13,068,151 | 1.76 |
| 2026-04-30 | 17,205,323 | +22.6% | 10,110,761 | 1.70 |
| 2026-04-15 | 14,035,876 | +7.5% | 6,179,232 | 2.27 |
| 2026-03-31 | 13,062,676 | +8.5% | 4,770,400 | 2.74 |
| 2026-03-13 | 12,035,666 | -15.6% | 15,704,034 | 1.00 |
| 2026-02-27 | 14,261,090 | +2.3% | 5,869,871 | 2.43 |
| 2026-02-13 | 13,942,771 | +17.1% | 5,756,938 | 2.42 |
| 2026-01-30 | 11,905,719 | +21.7% | 8,491,460 | 1.40 |
| 2026-01-15 | 9,786,010 | +5.9% | 5,989,929 | 1.63 |
| 2025-12-31 | 9,242,844 | +5.6% | 5,525,018 | 1.67 |
| 2025-12-15 | 8,755,124 | +66.0% | 7,157,666 | 1.22 |
| 2025-11-28 | 5,273,211 | +24.7% | 6,896,183 | 1.00 |
| 2025-11-14 | 4,228,978 | +0.2% | 11,631,189 | 1.00 |
| 2025-10-31 | 4,220,505 | -48.1% | 19,082,456 | 1.00 |
| 2025-10-15 | 8,132,402 | +61.9% | 30,331,480 | 1.00 |
| 2025-09-30 | 5,023,985 | +31.0% | 16,762,177 | 1.00 |
| 2025-09-15 | 3,834,992 | -6.5% | 4,157,046 | 1.00 |
| 2025-08-29 | 4,100,599 | -33.4% | 4,009,984 | 1.02 |
| 2025-08-15 | 6,153,972 | +27.9% | 7,202,045 | 1.00 |
| 2025-07-31 | 4,812,419 | +8.8% | 10,634,751 | 1.00 |
| 2025-07-15 | 4,424,723 | -5.2% | 6,549,438 | 1.00 |
| 2025-06-30 | 4,667,676 | -55.7% | 9,794,919 | 1.00 |
| 2025-06-13 | 10,535,659 | -38.7% | 9,632,123 | 1.09 |
| 2025-05-30 | 17,186,442 | -16.7% | 13,061,515 | 1.32 |
| 2025-05-15 | 20,626,518 | -6.7% | 12,577,258 | 1.64 |
| 2025-04-30 | 22,113,243 | +11.5% | 20,725,848 | 1.07 |
| 2025-04-15 | 19,825,816 | -16.0% | 12,116,376 | 1.64 |
| 2025-03-31 | 23,594,131 | +18.9% | 47,422,682 | 1.00 |
| 2025-03-14 | 19,835,660 | +20.9% | 15,833,185 | 1.25 |
| 2025-02-28 | 16,414,082 | -11.8% | 16,619,632 | 1.00 |
| 2025-02-14 | 18,611,075 | -7.6% | 16,006,430 | 1.16 |
| 2025-01-31 | 20,135,757 | +80.4% | 50,518,177 | 1.00 |
| 2025-01-15 | 11,160,806 | -37.0% | 31,401,891 | 1.00 |
| 2024-12-31 | 17,701,434 | +173.1% | 42,902,567 | 1.00 |
| 2024-12-13 | 6,480,907 | +11.7% | 2,230,595 | 2.91 |
| 2024-11-29 | 5,800,655 | +40.0% | 4,556,643 | 1.27 |
| 2024-11-15 | 4,144,907 | -20.3% | 4,193,829 | 1.00 |
| 2024-10-31 | 5,197,467 | +4.1% | 2,950,186 | 1.76 |
Daily short volume
FINRA Reg SHO, the last 30 sessions. JSONAs of 2 November 2026, the short share of SES volume is 78.8%, up 2.0 points over the last five sessions. Over the last 30 readings it ranged from 47.3% (19 October 2026) to 78.8% (2 November 2026). The latest reading sits at the top of that range. The latest reading is 15.3 points above the 30-session average of 63.5%, on 16.2M shares reported.
| Date | Short volume | Total volume | Short share | Exempt |
|---|---|---|---|---|
| 2026-11-02 | 12.7M | 16.2M | 78.8% | 1,814,177 |
| 2026-10-30 | 11.5M | 16.5M | 69.9% | 2,159,640 |
| 2026-10-29 | 21.2M | 31.9M | 66.4% | 40,742 |
| 2026-10-28 | 12.7M | 18.0M | 70.4% | 11,543 |
| 2026-10-27 | 15.5M | 25.6M | 60.4% | 192,341 |
| 2026-10-26 | 13.9M | 18.2M | 76.8% | 2,658,662 |
| 2026-10-23 | 19.6M | 27.4M | 71.3% | 4,022,937 |
| 2026-10-22 | 19.6M | 31.7M | 61.9% | 127,624 |
| 2026-10-21 | 8.5M | 14.9M | 57.5% | 65,600 |
| 2026-10-20 | 8.6M | 15.8M | 54.0% | 13,804 |
| 2026-10-19 | 6.4M | 13.6M | 47.3% | 716,879 |
| 2026-10-16 | 14.1M | 21.0M | 67.2% | 760,825 |
| 2026-10-15 | 23.6M | 41.9M | 56.3% | 1,539,204 |
| 2026-10-14 | 6.9M | 11.5M | 60.1% | 39,677 |
| 2026-10-13 | 16.5M | 26.6M | 62.0% | 153,617 |
| 2026-10-12 | 6.3M | 9.7M | 65.7% | 43,242 |
| 2026-10-09 | 20.3M | 30.8M | 66.0% | 39,547 |
| 2026-10-08 | 21.8M | 31.6M | 69.0% | 30,125 |
| 2026-10-07 | 10.3M | 18.9M | 54.9% | 12,648 |
| 2026-10-06 | 13.7M | 22.6M | 60.6% | 161,301 |
| 2026-10-05 | 8.9M | 15.6M | 57.0% | 32,409 |
| 2026-10-02 | 11.9M | 23.8M | 49.9% | 171,432 |
| 2026-10-01 | 37.2M | 64.8M | 57.3% | 148,769 |
| 2026-09-30 | 12.9M | 25.0M | 51.7% | 123,270 |
| 2026-09-29 | 4.5M | 6.1M | 72.6% | 52,571 |
| 2026-09-28 | 12.2M | 18.3M | 66.7% | 56,417 |
| 2026-09-25 | 5.8M | 9.0M | 64.9% | 1,400 |
| 2026-09-24 | 7.3M | 10.8M | 67.4% | 47,056 |
| 2026-09-23 | 11.0M | 15.2M | 72.1% | 22,100 |
| 2026-09-22 | 10.5M | 15.4M | 67.9% | 9,284 |
Fails to deliver
SEC, the last 30 settlement dates with a fail. JSONAs of 14 October 2026, the fails-to-deliver balance in SES is 137,910 shares, up 20,982 shares over the last settlement date. Over the last 30 readings it ranged from 798 shares (1 September 2026) to 8,737,751 shares (30 September 2026). The latest reading sits at the bottom of that range.
| Settlement | Shares failed | Price | Value |
|---|---|---|---|
| 2026-10-14 | 137,910 | $1.00 | $138K |
| 2026-10-13 | 116,928 | $0.80 | $94K |
| 2026-10-09 | 35,698 | $0.78 | $28K |
| 2026-10-08 | 54,429 | $0.73 | $40K |
| 2026-10-07 | 7,801 | $0.79 | $6K |
| 2026-10-06 | 34,199 | $0.84 | $29K |
| 2026-10-05 | 168,206 | $0.88 | $148K |
| 2026-10-02 | 1,478,125 | $0.82 | $1.2M |
| 2026-10-01 | 5,092,798 | $0.60 | $3.1M |
| 2026-09-30 | 8,737,751 | $0.53 | $4.6M |
| 2026-09-29 | 6,059,146 | $0.53 | $3.2M |
| 2026-09-28 | 84,531 | $0.53 | $45K |
| 2026-09-25 | 123,416 | $0.53 | $65K |
| 2026-09-24 | 2,118,608 | $0.52 | $1.1M |
| 2026-09-23 | 5,401,642 | $0.56 | $3.0M |
| 2026-09-22 | 5,187,370 | $0.57 | $3.0M |
| 2026-09-21 | 1,143,334 | $0.54 | $617K |
| 2026-09-18 | 914,988 | $0.53 | $485K |
| 2026-09-17 | 706,247 | $0.58 | $410K |
| 2026-09-16 | 422,040 | $0.62 | $262K |
| 2026-09-15 | 609,679 | $0.61 | $372K |
| 2026-09-14 | 302,747 | $0.53 | $160K |
| 2026-09-10 | 286,009 | $0.52 | $149K |
| 2026-09-09 | 81,155 | $0.57 | $46K |
| 2026-09-08 | 160,152 | $0.50 | $80K |
| 2026-09-02 | 157,078 | $0.52 | $82K |
| 2026-09-01 | 798 | $0.52 | $415 |
| 2026-08-25 | 47,597 | $0.54 | $26K |
| 2026-08-19 | 2,661 | $0.53 | $1K |
| 2026-08-18 | 3,672 | $0.57 | $2K |
Insider trades
SEC Form 4, newest first. JSONNo open-market insider trades were reported for SES in the last 90 days. The most recent filings are listed below. Latest filing: Diemer Paul (Director) on 2026-10-05.
| Date | Insider | Title | Type | Shares | Price | Value | Owned after |
|---|---|---|---|---|---|---|---|
| 2026-10-05 | Diemer Paul | Director | Grant | 320K | $0.00 | $0 | 320K |
| 2026-09-01 | Xu Kang | CHIEF TECHNOLOGY OFFICER | Tax withholding | 35K | $0.52 | $18K | 766K |
| 2026-05-22 | Pilkington Kyle | CHIEF LEGAL OFFICER | Sell | 25K | $1.20 | $30K | 1.0M |
| 2026-05-18 | Xu Kang | CHIEF TECHNOLOGY OFFICER | Grant | 221K | $0.00 | $0 | 802K |
| 2026-05-18 | Pilkington Kyle | CHIEF LEGAL OFFICER | Grant | 354K | $0.00 | $0 | 1.0M |
| 2026-05-18 | Ma Jiong | Director | Grant | 142K | $0.00 | $0 | 525K |
| 2026-05-18 | Luo Eric | Director | Grant | 142K | $0.00 | $0 | 525K |
| 2026-05-18 | Liu Yi Ray | CHIEF FINANCIAL OFFICER | Grant | 332K | $0.00 | $0 | 332K |
| 2026-05-18 | Hu Qichao | CEO & CHAIRMAN | Grant | 1.5M | $0.00 | $0 | 5.4M |
| 2026-05-18 | Boyd Andrew J | Director | Grant | 142K | $0.00 | $0 | 438K |
| 2026-04-14 | Pilkington Kyle | CHIEF LEGAL OFFICER | Tax withholding | 25K | $1.10 | $28K | 695K |
| 2026-04-14 | Nealis Jing | CHIEF FINANCIAL OFFICER | Tax withholding | 36K | $1.10 | $40K | 2.3M |
| 2026-04-14 | Hu Qichao | CEO & CHAIRMAN | Tax withholding | 133K | $1.10 | $147K | 3.9M |
| 2026-04-14 | Gan Hong | CHIEF SCIENCE OFFICER | Tax withholding | 32K | $1.10 | $35K | 1.0M |
| 2026-03-27 | Xu Kang | CHIEF TECHNOLOGY OFFICER | Tax withholding | 40K | $0.99 | $39K | 580K |
| 2026-03-27 | Pilkington Kyle | CHIEF LEGAL OFFICER | Tax withholding | 60K | $0.99 | $60K | 720K |
| 2026-03-27 | Nealis Jing | CHIEF FINANCIAL OFFICER | Tax withholding | 164K | $0.99 | $162K | 2.3M |
| 2026-03-27 | Hu Qichao | CEO & CHAIRMAN | Tax withholding | 310K | $0.99 | $307K | 4.1M |
| 2026-03-27 | Gan Hong | CHIEF SCIENCE OFFICER | Tax withholding | 75K | $0.99 | $74K | 1.1M |
| 2026-03-09 | Pilkington Kyle | CHIEF LEGAL OFFICER | Sell | 25K | $1.20 | $30K | 780K |
| 2026-02-09 | Pilkington Kyle | CHIEF LEGAL OFFICER | Tax withholding | 56K | $1.99 | $112K | 805K |
| 2026-02-09 | Nealis Jing | CHIEF FINANCIAL OFFICER | Tax withholding | 110K | $1.99 | $219K | 2.5M |
| 2026-02-09 | Hu Qichao | CEO & CHAIRMAN | Tax withholding | 268K | $1.99 | $533K | 4.4M |
| 2026-02-09 | Gan Hong | CHIEF SCIENCE OFFICER | Tax withholding | 63K | $1.99 | $126K | 1.1M |
| 2026-02-06 | Xu Kang | CHIEF TECHNOLOGY OFFICER | Tax withholding | 35K | $1.88 | $66K | 620K |
| 2026-01-23 | Gan Hong | CHIEF SCIENCE OFFICER | Sell | 100K | $2.50 | $250K | 1.3M |
| 2026-01-23 | Gan Hong | CHIEF SCIENCE OFFICER | Exercise or conversion | 100K | $0.16 | $16K | 1.4M |
| 2026-01-22 | Gan Hong | CHIEF SCIENCE OFFICER | Sell | 150K | $2.50 | $374K | 1.3M |
| 2026-01-22 | Gan Hong | CHIEF SCIENCE OFFICER | Exercise or conversion | 150K | $0.16 | $24K | 1.4M |
| 2025-12-15 | Gan Hong | CHIEF SCIENCE OFFICER | Sell | 100K | $1.98 | $198K | 1.3M |
| 2025-12-15 | Gan Hong | CHIEF SCIENCE OFFICER | Exercise or conversion | 7K | $0.16 | $1K | 1.4M |
| 2025-12-15 | Gan Hong | CHIEF SCIENCE OFFICER | Exercise or conversion | 93K | $0.15 | $14K | 1.3M |
| 2025-11-17 | Gan Hong | CHIEF SCIENCE OFFICER | Sell | 150K | $1.90 | $285K | 1.3M |
| 2025-11-17 | Gan Hong | CHIEF SCIENCE OFFICER | Exercise or conversion | 150K | $0.15 | $23K | 1.4M |
| 2025-09-08 | Boyd Andrew J | Director | Grant | 296K | $0.00 | $0 | 296K |
| 2025-09-03 | Xu Kang | CHIEF TECHNOLOGY OFFICER | Tax withholding | 39K | $1.09 | $43K | 655K |
| 2025-08-18 | Nealis Jing | CHIEF FINANCIAL OFFICER | Tax withholding | 16K | $1.08 | $17K | 2.6M |
| 2025-08-08 | Pilkington Kyle | CHIEF LEGAL OFFICER | Tax withholding | 5K | $1.13 | $6K | 861K |
| 2025-07-16 | Nealis Jing | CHIEF FINANCIAL OFFICER | Tax withholding | 16K | $0.98 | $15K | 2.6M |
| 2025-06-16 | Nealis Jing | CHIEF FINANCIAL OFFICER | Tax withholding | 16K | $0.96 | $15K | 2.6M |
| 2025-05-16 | Nealis Jing | CHIEF FINANCIAL OFFICER | Tax withholding | 16K | $0.94 | $15K | 2.7M |
| 2025-04-18 | Pilkington Kyle | CHIEF LEGAL OFFICER | Tax withholding | 5K | $0.69 | $3K | 867K |
| 2025-04-18 | Gan Hong | CHIEF SCIENCE OFFICER | Tax withholding | 41K | $0.69 | $28K | 1.3M |
| 2025-04-18 | Hu Qichao | CEO & CHAIRMAN | Tax withholding | 90K | $0.69 | $62K | 4.7M |
| 2025-04-18 | Nealis Jing | CHIEF FINANCIAL OFFICER | Tax withholding | 38K | $0.69 | $26K | 2.7M |
| 2025-04-17 | Pilkington Kyle | CHIEF LEGAL OFFICER | Tax withholding | 25K | $0.62 | $16K | 871K |
| 2025-04-17 | Li Gang | CHIEF MANUFACTURING OFFICER | Tax withholding | 21K | $0.62 | $13K | 354K |
| 2025-04-17 | Gan Hong | CHIEF SCIENCE OFFICER | Tax withholding | 31K | $0.62 | $19K | 1.3M |
| 2025-04-17 | Hu Qichao | CEO & CHAIRMAN | Tax withholding | 135K | $0.62 | $84K | 4.7M |
| 2025-04-17 | Nealis Jing | CHIEF FINANCIAL OFFICER | Tax withholding | 35K | $0.62 | $22K | 2.7M |
| 2025-04-17 | Nealis Jing | CHIEF FINANCIAL OFFICER | Tax withholding | 16K | $0.64 | $10K | 2.7M |
| 2025-04-01 | Li Gang | CHIEF MANUFACTURING OFFICER | Grant | 150K | $0.00 | $0 | 374K |
| 2025-03-28 | NOONEN MICHAEL | Director | Grant | 160K | $0.00 | $0 | 383K |
| 2025-03-28 | Luo Eric | Director | Grant | 160K | $0.00 | $0 | 383K |
| 2025-03-28 | Choi Jangwook | Director | Grant | 160K | $0.00 | $0 | 383K |
| 2025-03-28 | Hu Qichao | CEO & CHAIRMAN | Grant | 2.1M | $0.00 | $0 | 4.9M |
| 2025-03-28 | Nealis Jing | CHIEF FINANCIAL OFFICER | Grant | 950K | $0.00 | $0 | 2.8M |
| 2025-03-28 | Pilkington Kyle | CHIEF LEGAL OFFICER | Grant | 400K | $0.00 | $0 | 897K |
| 2025-03-28 | Gan Hong | CHIEF SCIENCE OFFICER | Grant | 500K | $0.00 | $0 | 1.3M |
| 2025-03-28 | Xu Kang | CHIEF TECHNOLOGY OFFICER | Grant | 250K | $0.00 | $0 | 694K |
| 2025-03-28 | Ma Jiong | Director | Grant | 160K | $0.00 | $0 | 383K |
| 2025-03-17 | Nealis Jing | CHIEF FINANCIAL OFFICER | Tax withholding | 11K | $0.44 | $5K | 1.8M |
| 2025-02-17 | Nealis Jing | CHIEF FINANCIAL OFFICER | Tax withholding | 13K | $1.02 | $13K | 1.8M |
| 2025-02-10 | Xu Kang | CHIEF TECHNOLOGY OFFICER | Sell | 28K | $1.17 | $33K | 444K |
| 2025-02-10 | Hu Qichao | CEO & CHAIRMAN | Sell | 194K | $1.17 | $228K | 2.8M |
| 2025-02-10 | Nealis Jing | CHIEF FINANCIAL OFFICER | Sell | 81K | $1.17 | $95K | 1.8M |
| 2025-02-10 | Gan Hong | CHIEF SCIENCE OFFICER | Sell | 52K | $1.17 | $60K | 774K |
| 2025-02-10 | Li Gang | CHIEF MANUFACTURING OFFICER | Sell | 16K | $1.17 | $19K | 224K |
| 2025-02-10 | Pilkington Kyle | CHIEF LEGAL OFFICER | Sell | 44K | $1.17 | $52K | 497K |
| 2025-01-16 | Nealis Jing | CHIEF FINANCIAL OFFICER | Exercise or conversion | 50K | $0.16 | $8K | 2.0M |
| 2025-01-16 | Nealis Jing | CHIEF FINANCIAL OFFICER | Sell | 50K | $1.02 | $51K | 1.9M |
| 2025-01-16 | Nealis Jing | CHIEF FINANCIAL OFFICER | Tax withholding | 13K | $1.04 | $13K | 1.9M |
| 2024-12-26 | Nealis Jing | CHIEF FINANCIAL OFFICER | Sell | 150K | $1.02 | $153K | 1.9M |
| 2024-12-26 | Nealis Jing | CHIEF FINANCIAL OFFICER | Exercise or conversion | 150K | $0.16 | $24K | 2.1M |
| 2024-12-18 | SK INC. | TenPercentOwner | Sell | 400K | $0.42 | $168K | 31.8M |
| 2024-12-17 | SK INC. | TenPercentOwner | Sell | 326K | $0.38 | $124K | 32.2M |
| 2024-12-16 | SK INC. | TenPercentOwner | Sell | 500K | $0.40 | $200K | 32.6M |
| 2024-12-16 | Nealis Jing | CHIEF FINANCIAL OFFICER | Tax withholding | 11K | $0.41 | $5K | 1.9M |
| 2024-12-13 | SK INC. | TenPercentOwner | Sell | 418K | $0.39 | $163K | 33.1M |
| 2024-12-12 | SK INC. | TenPercentOwner | Sell | 116K | $0.42 | $49K | 33.5M |
| 2024-12-11 | SK INC. | TenPercentOwner | Sell | 300K | $0.44 | $132K | 33.6M |
| 2024-12-10 | SK INC. | TenPercentOwner | Sell | 16K | $0.45 | $7K | 33.9M |
| 2024-12-09 | SK INC. | TenPercentOwner | Sell | 400K | $0.48 | $192K | 33.9M |
| 2024-11-18 | Nealis Jing | CHIEF FINANCIAL OFFICER | Tax withholding | 11K | $0.27 | $3K | 1.9M |
| 2024-11-15 | General Motors Holdings LLC | TenPercentOwner | Sell | 13.3M | $0.20 | $2.7M | 9.8M |
| 2024-11-14 | SK INC. | TenPercentOwner | Sell | 300K | $0.30 | $90K | 34.3M |
| 2024-11-13 | SK INC. | TenPercentOwner | Sell | 250K | $0.28 | $70K | 34.6M |
| 2024-11-11 | SK INC. | TenPercentOwner | Sell | 170K | $0.36 | $61K | 34.9M |
| 2024-11-08 | SK INC. | TenPercentOwner | Sell | 103K | $0.37 | $38K | 35.0M |
| 2024-11-07 | SK INC. | TenPercentOwner | Sell | 154K | $0.39 | $60K | 35.1M |
| 2024-11-06 | SK INC. | TenPercentOwner | Sell | 4K | $0.42 | $2K | 35.3M |
| 2024-11-05 | SK INC. | TenPercentOwner | Sell | 200K | $0.43 | $86K | 35.3M |
| 2024-11-04 | SK INC. | TenPercentOwner | Sell | 200K | $0.45 | $90K | 35.5M |
| 2024-11-01 | SK INC. | TenPercentOwner | Sell | 148K | $0.45 | $67K | 35.7M |
| 2024-10-31 | SK INC. | TenPercentOwner | Sell | 2K | $0.50 | $1K | 35.8M |
| 2024-10-30 | SK INC. | TenPercentOwner | Sell | 19K | $0.56 | $11K | 35.9M |
| 2024-10-29 | SK INC. | TenPercentOwner | Sell | 235K | $0.57 | $134K | 35.9M |
| 2024-10-28 | SK INC. | TenPercentOwner | Sell | 218K | $0.58 | $126K | 36.1M |
| 2024-10-25 | SK INC. | TenPercentOwner | Sell | 250K | $0.58 | $145K | 36.3M |
| 2024-10-24 | SK INC. | TenPercentOwner | Sell | 291K | $0.62 | $180K | 36.6M |
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. JSON9 Form 144 notices on file for SES worth $2.2M at the prices reported; 0 in the last 90 days worth $0. Latest: JING L NEALIS filed on 2026-06-15 to sell 156,500 shares ($180K) from 2026-06-15.
| Filed | Seller | Shares | Market value | Of outstanding | Sale from | Broker |
|---|---|---|---|---|---|---|
| 2026-06-15 | JING L NEALISFormer Affiliate | 157K | $180K | 0.048% | 2026-06-15 | Morgan Stanley Smith Barney LLC Executive Financial Services |
| 2026-06-08 | HONG GANOfficer | 150K | $177K | 0.046% | 2026-06-08 | Morgan Stanley Smith Barney LLC Executive Financial Services |
| 2026-06-04 | JING L NEALISFormer Affiliate | 200K | $267K | 0.061% | 2026-06-04 | Morgan Stanley Smith Barney LLC Executive Financial Services |
| 2026-06-02 | JING L NEALISFormer Affiliate | 250K | $354K | 0.077% | 2026-06-02 | Morgan Stanley Smith Barney LLC Executive Financial Services |
| 2026-05-27 | JING L NEALISFormer Affiliate | 96K | $125K | 0.030% | 2026-05-27 | Morgan Stanley Smith Barney LLC Executive Financial Services |
| 2026-05-22 | KYLE H PILKINGTONOfficer | 25K | $29K | 0.008% | 2026-05-22 | Morgan Stanley Smith Barney LLC Executive Financial Services |
| 2026-03-09 | KYLE H PILKINGTONOfficer | 25K | $28K | 0.008% | 2026-03-09 | Morgan Stanley Smith Barney LLC Executive Financial Services |
| 2026-01-22 | HONG GANOfficer | 250K | $590K | 0.078% | 2026-01-22 | Morgan Stanley Smith Barney LLC Executive Financial Services |
| 2025-11-17 | HONG GANOfficer | 250K | $498K | 0.078% | 2025-11-17 | Morgan Stanley Smith Barney LLC Executive Financial Services |
Large holders (13D and 13G)
One row per reporting person with its latest filing, newest first. JSON3 holders report 5% or more of SES in their latest filing, all on Schedule 13G (passive). The largest reported stake is Tianqi Lithium HK Co., Ltd. at 7.8% of the class (24,922,386 shares), filed 2026-01-21 for an event on 2025-12-31.
| Filed | Form | Holder | Shares | Of class | Event |
|---|---|---|---|---|---|
| 2026-07-30 | 13G | BlackRock, Inc.parent holding company | 18.8M | 5.8% | 2026-06-30 |
| 2026-01-21 | 13G/Ano. 1 | Tianqi Lithium HK Co., Ltd.corporation | 24.9M | 7.8% | 2025-12-31 |
| 2026-01-21 | 13G/Ano. 1 | Tianqi Lithium Corporationcorporation | 24.9M | 7.8% | 2025-12-31 |
| 2025-11-10 | 13G/Ano. 2 | Temasek Holdings (Private) Limitedparent holding company | 3.2M | 1.0% | 2025-09-30 |
| 2025-11-10 | 13G/Ano. 2 | Tembusu Capital Pte. Ltd.parent holding company | 2.6M | 0.8% | 2025-09-30 |
| 2025-11-10 | 13G/Ano. 2 | Thomson Capital Pte. Ltd.parent holding company | 2.6M | 0.8% | 2025-09-30 |
| 2025-11-10 | 13G/Ano. 2 | Anderson Investments Pte. Ltd.parent holding company | 2.6M | 0.8% | 2025-09-30 |
13F holders
Tracked managers holding SES at their latest 13F. JSON5 of the 30 tracked managers held SES at their latest 13F, $7.9M in total at quarter-end prices. Two Sigma Investments is the largest at $5.5M (0.0% of its portfolio) as of 2026-06-30. Over the prior quarter 2 added shares and 3 cut.
| Fund | Quarter | Shares | Value | Of portfolio | Change in shares |
|---|---|---|---|---|---|
| Two Sigma Investments | 2026-06-30 | 5.7M | $5.5M | 0.00% | +3.7M |
| Renaissance Technologies | 2026-06-30 | 1.7M | $1.6M | 0.00% | -2.9M |
| Millennium Management | 2026-06-30 | 623K | $599K | 0.00% | -2.6M |
| D. E. Shaw & Co. | 2026-06-30 | 222K | $214K | 0.00% | new |
| AQR Capital Management | 2026-06-30 | 20K | $19K | 0.00% | -2K |
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
Ses AI 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 Ses AI (SES), SEC CIK 1819142, listed on NYSE, classified by the SEC as miscellaneous electrical machinery, equipment & supplies. 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
- 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 2026-06-15.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 2026-07-30.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 2026-08-11.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 2026-10-05.JSON and CSV
- Company record
- EDGAR filing index for CIK 1819142Ticker, 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 SES is sold short?
42,902,638 shares were held short at the 2026-10-15 settlement, 1.3 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 SES's daily short volume?
On 2026-11-02, 12,726,619 of the 16,154,288 SES shares reported to FINRA were sold short, 78.8% of the day's reported volume. Short volume is a flow for one day, not a position.
Does SES have fails to deliver?
The SEC's latest file shows 137,910 SES shares failed to deliver at settlement 2026-10-14. Fails are reported per settlement date and published twice a month with a lag.
Are SES insiders buying or selling?
No open-market insider trades were reported for SES in the last 90 days. The most recent filings are listed below. Latest filing: Diemer Paul (Director) on 2026-10-05.
Have SES insiders filed to sell?
9 Form 144 notices on file for SES worth $2.2M at the prices reported; 0 in the last 90 days worth $0. Latest: JING L NEALIS filed on 2026-06-15 to sell 156,500 shares ($180K) from 2026-06-15.
Who owns 5% or more of SES?
3 holders report 5% or more of SES in their latest filing, all on Schedule 13G (passive). The largest reported stake is Tianqi Lithium HK Co., Ltd. at 7.8% of the class (24,922,386 shares), filed 2026-01-21 for an event on 2025-12-31.
Which tracked 13F managers own SES?
5 of the 30 tracked 13F managers held SES shares at their latest filing, $7.9M in all. The largest: Two Sigma Investments (5.7M shares, $5.5M), Renaissance Technologies (1.7M shares, $1.6M), Izzy Englander's Millennium Management (623K shares, $599K), D. E. Shaw & Co. (222K shares, $214K), Cliff Asness's AQR Capital Management (20K shares, $19K).
Data on this page is provided for informational purposes only and is not financial advice. See our editorial policy.