Cohen Stephen Andrew
Director · Officer · PLTR
As of 2026-09-16, Cohen Stephen Andrew has 183 Form 4 transactions on record across 1 company — 50 in the trailing 12 months.
Everything this person has disclosed to the SEC on Form 4 — across every company they file for — reconstructed from the public record. A filing history, not a tip sheet.
Pattern in the record: open-market sales filed in May in multiple years since 2025 — a recurring calendar cadence, more consistent with scheduled activity than a one-off decision.
Reconstructed holdings
- Direct $55.9M
- Indirect $0
| PLTR | direct | 320,526 sh | $55.9M |
Reconstructed from this person's own Form 4 filings — the total each filing reported owning afterward, priced at the close on the as-of date shown. A filed position can lag the real one.
Direct and indirect holdings (e.g. through a trust or fund) are tagged separately, as filed.
Trades by company
Filing ledger
| Date | Company | Action | Shares @ price | Value | Ownership Δ | Owned after | Filing |
|---|---|---|---|---|---|---|---|
| 2026-05-20 | PLTR | Sale | 180,187 @ $136.08 | $24.5M | −64.6% of holding | 98,883 | Form 4 |
| 2026-05-20 | PLTR | Sale | 98,291 @ $136.61 | $13.4M | −99.4% of holding | 592 | Form 4 |
| 2026-05-20 | PLTR | Sale | 22,196 @ $135.09 | $3.0M | −7.4% of holding | 279,070 | Form 4 |
| 2026-05-20 | PLTR | Sale | 13,923 @ $134.20 | $1.9M | −4.4% of holding | 301,266 | Form 4 |
| 2026-05-20 | PLTR | Sale | 5,337 @ $132.95 | $710K | −1.7% of holding | 315,189 | Form 4 |
| 2026-02-20 | PLTR | Sale | 100,910 @ $132.86 | $13.4M | −34.2% of holding | 194,394 | Form 4 |
| 2026-02-20 | PLTR | Sale | 89,924 @ $134.83 | $12.1M | −82.2% of holding | 19,419 | Form 4 |
| 2026-02-20 | PLTR | Sale | 85,051 @ $133.76 | $11.4M | −43.8% of holding | 109,343 | Form 4 |
| 2026-02-20 | PLTR | Sale | 32,376 @ $132.03 | $4.3M | −9.9% of holding | 295,304 | Form 4 |
| 2026-02-20 | PLTR | Sale | 18,827 @ $135.73 | $2.6M | −97.0% of holding | 592 | Form 4 |
| 2025-11-21 | PLTR | Sale | 38,303 @ $156.26 | $6.0M | −97.3% of holding | 1,060 | Form 4 |
| 2025-11-21 | PLTR | Sale | 468 @ $157.74 | $74K | −44.2% of holding | 592 | Form 4 |
| 2025-11-21 | PLTR | Sale | 365 @ $153.43 | $56K | −0.9% of holding | 39,363 | Form 4 |
| 2025-11-20 | PLTR | Sale | 38,551 @ $172.77 | $6.7M | −90.3% of holding | 4,152 | Form 4 |
| 2025-11-20 | PLTR | Sale | 38,368 @ $157.25 | $6.0M | −14.1% of holding | 233,463 | Form 4 |
| 2025-11-20 | PLTR | Sale | 37,434 @ $158.14 | $5.9M | −16.0% of holding | 196,029 | Form 4 |
| 2025-11-20 | PLTR | Sale | 34,005 @ $172.00 | $5.8M | −44.3% of holding | 42,703 | Form 4 |
| 2025-11-20 | PLTR | Sale | 28,965 @ $170.91 | $5.0M | −27.4% of holding | 76,708 | Form 4 |
| 2025-11-20 | PLTR | Sale | 19,068 @ $155.31 | $3.0M | −6.2% of holding | 290,159 | Form 4 |
| 2025-11-20 | PLTR | Sale | 18,328 @ $156.19 | $2.9M | −6.3% of holding | 271,831 | Form 4 |
| 2025-11-20 | PLTR | Sale | 17,415 @ $159.08 | $2.8M | −8.9% of holding | 178,614 | Form 4 |
| 2025-11-20 | PLTR | Sale | 14,916 @ $160.16 | $2.4M | −8.4% of holding | 163,698 | Form 4 |
| 2025-11-20 | PLTR | Sale | 11,052 @ $161.16 | $1.8M | −6.8% of holding | 152,646 | Form 4 |
| 2025-11-20 | PLTR | Sale | 8,864 @ $169.94 | $1.5M | −7.7% of holding | 105,673 | Form 4 |
| 2025-11-20 | PLTR | Sale | 8,921 @ $163.37 | $1.5M | −5.9% of holding | 141,176 | Form 4 |
| 2025-11-20 | PLTR | Sale | 6,749 @ $166.73 | $1.1M | −5.1% of holding | 124,939 | Form 4 |
| 2025-11-20 | PLTR | Sale | 5,718 @ $167.93 | $960K | −4.6% of holding | 119,221 | Form 4 |
| 2025-11-20 | PLTR | Sale | 5,349 @ $164.05 | $877K | −3.8% of holding | 135,827 | Form 4 |
| 2025-11-20 | PLTR | Sale | 4,684 @ $168.90 | $791K | −3.9% of holding | 114,537 | Form 4 |
| 2025-11-20 | PLTR | Sale | 4,139 @ $165.94 | $687K | −3.0% of holding | 131,688 | Form 4 |
| 2025-11-20 | PLTR | Sale | 3,560 @ $173.41 | $617K | −85.7% of holding | 592 | Form 4 |
| 2025-11-20 | PLTR | Sale | 2,549 @ $161.85 | $413K | −1.7% of holding | 150,097 | Form 4 |
| 2025-08-21 | PLTR | Sale | 82,824 @ $155.53 | $12.9M | −54.3% of holding | 69,662 | Form 4 |
| 2025-08-21 | PLTR | Sale | 67,474 @ $156.15 | $10.5M | −96.9% of holding | 2,188 | Form 4 |
| 2025-08-21 | PLTR | Sale | 8,270 @ $154.51 | $1.3M | −5.1% of holding | 152,486 | Form 4 |
| 2025-08-21 | PLTR | Sale | 1,596 @ $157.18 | $251K | −72.9% of holding | 592 | Form 4 |
| 2025-08-20 | PLTR | Sale | 43,497 @ $154.16 | $6.7M | −54.7% of holding | 35,985 | Form 4 |
| 2025-08-20 | PLTR | Sale | 25,972 @ $153.12 | $4.0M | −24.6% of holding | 79,482 | Form 4 |
| 2025-08-20 | PLTR | Sale | 24,411 @ $154.89 | $3.8M | −67.8% of holding | 11,574 | Form 4 |
| 2025-08-20 | PLTR | Sale | 15,117 @ $146.05 | $2.2M | −8.6% of holding | 159,864 | Form 4 |
| 2025-08-20 | PLTR | Sale | 13,823 @ $149.93 | $2.1M | −10.3% of holding | 120,470 | Form 4 |
| 2025-08-20 | PLTR | Sale | 12,420 @ $149.04 | $1.9M | −8.5% of holding | 134,293 | Form 4 |
| 2025-08-20 | PLTR | Sale | 10,982 @ $156.11 | $1.7M | −94.9% of holding | 592 | Form 4 |
| 2025-08-20 | PLTR | Sale | 11,043 @ $152.05 | $1.7M | −9.5% of holding | 105,454 | Form 4 |
| 2025-08-20 | PLTR | Sale | 8,195 @ $146.93 | $1.2M | −5.1% of holding | 151,669 | Form 4 |
| 2025-08-20 | PLTR | Sale | 6,470 @ $143.12 | $926K | −3.4% of holding | 185,842 | Form 4 |
| 2025-08-20 | PLTR | Sale | 5,443 @ $144.87 | $789K | −3.0% of holding | 174,981 | Form 4 |
| 2025-08-20 | PLTR | Sale | 5,418 @ $143.81 | $779K | −2.9% of holding | 180,424 | Form 4 |
| 2025-08-20 | PLTR | Sale | 4,956 @ $148.07 | $734K | −3.3% of holding | 146,713 | Form 4 |
| 2025-08-20 | PLTR | Sale | 3,973 @ $151.05 | $600K | −3.3% of holding | 116,497 | Form 4 |
| 2025-05-21 | PLTR | Sale | 15,866 @ $126.18 | $2.0M | −70.4% of holding | 6,665 | Form 4 |
| 2025-05-21 | PLTR | Sale | 12,418 @ $125.26 | $1.6M | −35.5% of holding | 22,531 | Form 4 |
| 2025-05-21 | PLTR | Sale | 6,073 @ $126.85 | $770K | −91.1% of holding | 592 | Form 4 |
| 2025-05-20 | PLTR | Sale | 155,287 @ $126.24 | $19.6M | −57.8% of holding | 113,257 | Form 4 |
| 2025-05-20 | PLTR | Sale | 111,834 @ $126.94 | $14.2M | −98.7% of holding | 1,423 | Form 4 |
| 2025-05-20 | PLTR | Sale | 41,744 @ $125.46 | $5.2M | −13.5% of holding | 268,544 | Form 4 |
| 2025-05-20 | PLTR | Sale | 831 @ $127.71 | $106K | −58.4% of holding | 592 | Form 4 |
| 2025-03-17 | PLTR | Sale | 142,066 @ $87.93 | $12.5M | −95.5% of holding | 6,646 | Form 4 |
| 2025-03-17 | PLTR | Sale | 73,225 @ $85.96 | $6.3M | −26.2% of holding | 206,763 | Form 4 |
| 2025-03-17 | PLTR | Sale | 58,051 @ $87.20 | $5.1M | −28.1% of holding | 148,712 | Form 4 |
| 2025-03-17 | PLTR | Sale | 30,604 @ $85.18 | $2.6M | −9.9% of holding | 279,988 | Form 4 |
| 2025-03-17 | PLTR | Sale | 6,054 @ $88.63 | $537K | −91.1% of holding | 592 | Form 4 |
| 2025-03-14 | PLTR | Sale | 454,784 @ $85.79 | $39.0M | −58.9% of holding | 317,911 | Form 4 |
| 2025-03-14 | PLTR | Sale | 317,319 @ $86.64 | $27.5M | −99.8% of holding | 592 | Form 4 |
| 2025-03-14 | PLTR | Sale | 225,819 @ $84.92 | $19.2M | −22.6% of holding | 772,695 | Form 4 |
| 2025-03-14 | PLTR | Sale | 186,092 @ $82.88 | $15.4M | −14.9% of holding | 1,064,500 | Form 4 |
| 2025-03-14 | PLTR | Sale | 65,986 @ $83.61 | $5.5M | −6.2% of holding | 998,514 | Form 4 |
| 2025-03-13 | PLTR | Sale | 579,512 @ $79.79 | $46.2M | −61.6% of holding | 361,872 | Form 4 |
| 2025-03-13 | PLTR | Sale | 309,208 @ $79.06 | $24.4M | −24.7% of holding | 941,384 | Form 4 |
| 2025-03-13 | PLTR | Sale | 148,358 @ $80.65 | $12.0M | −41.0% of holding | 213,514 | Form 4 |
| 2025-03-13 | PLTR | Sale | 113,212 @ $81.88 | $9.3M | −53.0% of holding | 100,302 | Form 4 |
| 2025-03-13 | PLTR | Sale | 94,161 @ $82.87 | $7.8M | −93.9% of holding | 6,141 | Form 4 |
| 2025-03-13 | PLTR | Sale | 5,549 @ $83.49 | $463K | −90.4% of holding | 592 | Form 4 |
| 2025-03-12 | PLTR | Sale | 511,945 @ $83.49 | $42.7M | −77.7% of holding | 147,214 | Form 4 |
| 2025-03-12 | PLTR | Sale | 293,040 @ $82.41 | $24.2M | −30.8% of holding | 659,159 | Form 4 |
| 2025-03-12 | PLTR | Sale | 190,809 @ $81.44 | $15.5M | −16.7% of holding | 952,199 | Form 4 |
| 2025-03-12 | PLTR | Sale | 146,622 @ $84.10 | $12.3M | −99.6% of holding | 592 | Form 4 |
| 2025-03-12 | PLTR | Sale | 107,584 @ $80.63 | $8.7M | −8.6% of holding | 1,143,008 | Form 4 |
| 2025-02-21 | PLTR | Sale | 301,847 @ $102.14 | $30.8M | −99.8% of holding | 592 | Form 4 |
| 2025-02-21 | PLTR | Sale | 20,368 @ $105.63 | $2.2M | −37.0% of holding | 34,631 | Form 4 |
74 award / exercise / gift records — not counted as purchases
| Date | Company | Action | Shares | Owned after | Filing |
|---|---|---|---|---|---|
| 2026-05-20 | PLTR | Conversion | 319,934 | 13,887,004 | Form 4 |
| 2026-05-20 | PLTR | Option exercise | 675,000 | 14,206,938 | Form 4 |
| 2026-05-20 | PLTR | Option exercise | 675,000 | 0 | Form 4 |
| 2026-05-20 | PLTR | Conversion | 319,934 | 320,526 | Form 4 |
| 2026-05-20 | PLTR | Conversion | 319,934 | 320,526 | Form 4 |
| 2026-02-20 | PLTR | Conversion | 327,088 | 13,531,938 | Form 4 |
| 2026-02-20 | PLTR | Option exercise | 675,000 | 13,859,026 | Form 4 |
| 2026-02-20 | PLTR | Option exercise | 675,000 | 675,000 | Form 4 |
| 2026-02-20 | PLTR | Conversion | 327,088 | 327,680 | Form 4 |
| 2026-02-20 | PLTR | Conversion | 327,088 | 327,680 | Form 4 |
| 2025-11-21 | PLTR | Conversion | 39,136 | 13,184,026 | Form 4 |
| 2025-11-21 | PLTR | Conversion | 39,136 | 39,728 | Form 4 |
| 2025-11-21 | PLTR | Conversion | 39,136 | 39,728 | Form 4 |
| 2025-11-20 | PLTR | Conversion | 308,635 | 13,223,162 | Form 4 |
| 2025-11-20 | PLTR | Option exercise | 675,000 | 1,350,000 | Form 4 |
| 2025-11-20 | PLTR | Option exercise | 675,000 | 13,531,797 | Form 4 |
| 2025-11-20 | PLTR | Conversion | 308,635 | 309,227 | Form 4 |
| 2025-11-20 | PLTR | Conversion | 308,635 | 309,227 | Form 4 |
| 2025-08-21 | PLTR | Conversion | 160,164 | 12,856,797 | Form 4 |
| 2025-08-21 | PLTR | Conversion | 160,164 | 160,756 | Form 4 |
| 2025-08-21 | PLTR | Conversion | 160,164 | 160,756 | Form 4 |
| 2025-08-20 | PLTR | Option exercise | 675,000 | 2,025,000 | Form 4 |
| 2025-08-20 | PLTR | Option exercise | 675,000 | 13,208,681 | Form 4 |
| 2025-08-20 | PLTR | Conversion | 191,720 | 13,016,961 | Form 4 |
| 2025-08-20 | PLTR | Conversion | 191,720 | 192,312 | Form 4 |
| 2025-08-20 | PLTR | Conversion | 191,720 | 192,312 | Form 4 |
| 2025-05-21 | PLTR | Conversion | 34,357 | 12,533,681 | Form 4 |
| 2025-05-21 | PLTR | Conversion | 34,357 | 34,949 | Form 4 |
| 2025-05-21 | PLTR | Conversion | 34,357 | 34,949 | Form 4 |
| 2025-05-20 | PLTR | Option exercise | 675,000 | 12,877,734 | Form 4 |
| 2025-05-20 | PLTR | Conversion | 309,696 | 12,568,038 | Form 4 |
| 2025-05-20 | PLTR | Option exercise | 675,000 | 2,700,000 | Form 4 |
| 2025-05-20 | PLTR | Conversion | 309,696 | 310,288 | Form 4 |
| 2025-05-20 | PLTR | Conversion | 309,696 | 310,288 | Form 4 |
| 2025-03-17 | PLTR | Option exercise | 310,000 | 12,512,734 | Form 4 |
| 2025-03-17 | PLTR | Option exercise | 310,000 | 12,202,734 | Form 4 |
| 2025-03-17 | PLTR | Option exercise | 310,000 | 8,341,568 | Form 4 |
| 2025-03-17 | PLTR | Conversion | 310,000 | 310,592 | Form 4 |
| 2025-03-17 | PLTR | Conversion | 310,000 | 310,592 | Form 4 |
| 2025-03-14 | PLTR | Option exercise | 1,250,000 | 13,452,734 | Form 4 |
Source: SEC Form 4 filings. Each row links to its original filing.
Research tool, not investment advice — historical frequencies, not recommendations. A product of Marovel Technologies LLC. Full terms.