Karp Alexander C. — SEC Form 4 filings
SEC reporting owner CIK 1823951. 17 Form 4 filings on record with FilingPulse; latest filed 2026-08-24.
Transaction summary — filings shown
Covers all 17 filings on record, filed 2024-02-09 to 2026-08-24. Counts and totals are arithmetic on values as filed — descriptive data, not a recommendation.
- Open-market purchases (code P, non-derivative): none reported.
- Open-market sales (code S, non-derivative): 133 legs across 17 filings — 43,756,902 shares, $2,384,326,954 total (shares × price as filed).
- Other reported legs (grants, option exercises, tax withholding, gifts, derivative-security transactions, …): 160.
- Largest priced transaction: sale of 4,500,000 shares @ $63.10 ($283,964,850) in Palantir Technologies Inc., filed 2024-11-15.
By issuer — same filings
Open-market purchase/sale legs on non-derivative securities, grouped by issuer. Role is as filed on the newest filing for that issuer. Dollar totals cover priced legs only (shares × price as filed). Ordered by priced transaction value, largest first.
| Issuer | Role (as filed) | Filings | Purchases (P) | Sales (S) | Other legs |
|---|---|---|---|---|---|
| Palantir Technologies Inc. (PLTR) | See Remarks, Director | 17 | — | 133 legs · 43,756,902 sh · $2,384,326,954 | 160 |
Form 4 filings — Karp Alexander C.
| Filed | Form | Issuer | Reported transactions | Source |
|---|---|---|---|---|
| 2026-08-24 | 4 | Palantir Technologies Inc. (PLTR) | Conversion (C): 402,348 · Sale (S): 11,378 @ $172.65 · Sale (S): 19,493 @ $173.79 · Sale (S): 306,544 @ $174.85 · Sale (S): 63,629 @ $175.42 · Sale (S): 1,304 @ $176.31 · +12 more | EDGAR |
| 2026-05-22 | 4 | Palantir Technologies Inc. (PLTR) | Conversion (C): 397,744 · Sale (S): 6,635 @ $132.95 · Sale (S): 17,310 @ $134.20 · Sale (S): 27,595 @ $135.09 · Sale (S): 224,009 @ $136.08 · Sale (S): 122,195 @ $136.61 · +5 more | EDGAR |
| 2026-02-24 | 4 | Palantir Technologies Inc. (PLTR) | Conversion (C): 403,025 · Sale (S): 39,893 @ $132.03 · Sale (S): 124,338 @ $132.86 · Sale (S): 104,796 @ $133.76 · Sale (S): 110,800 @ $134.83 · Sale (S): 23,198 @ $135.73 · +12 more | EDGAR |
| 2025-11-24 | 4 | Palantir Technologies Inc. (PLTR) | Conversion (C): 359,325 · Sale (S): 22,200 @ $155.31 · Sale (S): 21,338 @ $156.19 · Sale (S): 44,669 @ $157.25 · Sale (S): 43,582 @ $158.14 · Sale (S): 20,275 @ $159.08 · +24 more | EDGAR |
| 2025-08-22 | 4 | Palantir Technologies Inc. (PLTR) | Conversion (C): 222,878 · Sale (S): 7,521 @ $143.12 · Sale (S): 6,298 @ $143.81 · Sale (S): 6,327 @ $144.87 · Sale (S): 17,574 @ $146.05 · Sale (S): 9,527 @ $146.93 · +20 more | EDGAR |
| 2025-05-22 | 4 | Palantir Technologies Inc. (PLTR) | Conversion (C): 358,982 · Sale (S): 48,387 @ $125.46 · Sale (S): 180,000 @ $126.24 · Sale (S): 129,631 @ $126.94 · Sale (S): 964 @ $127.71 · Conversion (C): 39,825 · +9 more | EDGAR |
| 2025-02-24 | 4 | Palantir Technologies Inc. (PLTR) | Conversion (C): 357,890 · Sale (S): 4,027 @ $96.43 · Sale (S): 5,332 @ $97.42 · Sale (S): 34,893 @ $98.57 · Sale (S): 39,828 @ $99.39 · Sale (S): 39,334 @ $100.41 · +19 more | EDGAR |
| 2024-11-22 | 4 | Palantir Technologies Inc. (PLTR) | Conversion (C): 266,563 · Sale (S): 52,512 @ $60.68 · Sale (S): 132,838 @ $61.61 · Sale (S): 81,213 @ $62.21 · Conversion (C): 138,130 · Sale (S): 56,343 @ $61.29 · +20 more | EDGAR |
| 2024-11-20 | 4 | Palantir Technologies Inc. (PLTR) | Conversion (C): 1,007,496 · Sale (S): 469,647 @ $63.41 · Sale (S): 537,849 @ $64.44 · Conversion (C): 98,480 · Sale (S): 98,480 @ $63.00 · Conversion (C): 38,093 · +10 more | EDGAR |
| 2024-11-15 | 4 | Palantir Technologies Inc. (PLTR) | Conversion (C): 1,823,602 · Sale (S): 1,823,602 @ $63.12 · Conversion (C): 4,500,000 · Sale (S): 4,500,000 @ $63.10 · Option exercise (M): 1,823,602 (derivative) @ $0 · Option exercise (M): 1,823,602 (derivative) @ $0 · +4 more | EDGAR |
| 2024-11-07 | 4 | Palantir Technologies Inc. (PLTR) | Conversion (C): 3,343,707 · Sale (S): 1,986,948 @ $47.49 · Sale (S): 1,356,759 @ $48.26 · Conversion (C): 4,500,000 · Sale (S): 4,500,000 @ $54.04 · Conversion (C): 4,500,000 · +12 more | EDGAR |
| 2024-10-29 | 4 | Palantir Technologies Inc. (PLTR) | Conversion (C): 1,706,841 · Sale (S): 1,706,841 @ $45.01 · Conversion (C): 3,337,048 · Sale (S): 3,337,048 @ $45.02 · Conversion (C): 612,404 · Sale (S): 612,404 @ $45.02 · +9 more | EDGAR |
| 2024-09-17 | 4 | Palantir Technologies Inc. (PLTR) | Conversion (C): 246,502 · Sale (S): 246,502 @ $36 · Conversion (C): 4,500,000 · Sale (S): 4,500,000 @ $36.07 · Conversion (C): 4,253,498 · Sale (S): 4,048,271 @ $36.26 · +10 more | EDGAR |
| 2024-08-22 | 4 | Palantir Technologies Inc. (PLTR) | Conversion (C): 207,050 · Sale (S): 206,360 @ $32.25 · Sale (S): 690 @ $32.67 · Conversion (C): 192,878 · Sale (S): 192,878 @ $32.26 · Conversion (C): 575,072 · +9 more | EDGAR |
| 2024-05-22 | 4 | Palantir Technologies Inc. (PLTR) | Conversion (C): 325,000 · Sale (S): 325,000 @ $21.46 · Conversion (C): 197,495 · Sale (S): 197,495 @ $21.43 · Conversion (C): 163,056 · Sale (S): 163,056 @ $21.24 · +10 more | EDGAR |
| 2024-02-22 | 4 | Palantir Technologies Inc. (PLTR) | Conversion (C): 650,000 · Sale (S): 617,460 @ $23.12 · Sale (S): 32,540 @ $23.82 · Conversion (C): 210,638 · Sale (S): 201,521 @ $23.24 · Sale (S): 9,117 @ $23.82 · +9 more | EDGAR |
| 2024-02-09 | 4 | Palantir Technologies Inc. (PLTR) | Conversion (C): 975,000 · Sale (S): 975,000 @ $22.42 · Conversion (C): 975,000 (derivative) @ $0 | EDGAR |
FilingPulse's Form 4 archive currently extends back to 2024-01-11 and is expanding backward through EDGAR history — earlier filings by this insider may not be indexed yet. Names and roles are shown as filed.
Need this as JSON?
GET https://api.filingpulse.io/v1/insider-trades?owner_cik=1823951 returns every filing on this page — normalized, with footnotes and derivative legs — and webhooks push new filings to you in seconds. API docs →