Alexander C. Karp
Alexander C. Karp: See Remarks · Director at Palantir. What Alexander C. Karp holds in an AI or semiconductor company tracked on Silicon Floor, from their SEC filings, broken down: the shares held and how, then any restricted shares, options or other rights declared.
Palantir (PLTR)
Alexander C. Karp holds 58.9M Palantir shares (2.5% of the company), worth about $11.2B at the last price, according to the Form 4 of Aug 20, 2026.
- Shares held: 58.9M (2.5%), $11.2B — Held in their own name: 52.5M Class B, 6.4M Class A.
- Options: 105.0M (4.4%), $19.9B — The right to buy 105.0M shares at $11.38 each, until 2032. Not bought yet.
- Share units: 1.9M (0.08%), $350.6M — Palantir promised them as pay: each unit becomes a share when it vests, if its conditions are met. No vote until then.
Declarations
- Palantir (PLTR) — Form 4 of Aug 20, 2026 (See Remarks): conversion of 402,348; open-market sale of 11,378 at $172.65; 58.9M shares after 0001823951-26-000009
- Palantir (PLTR) — Form 4 of May 20, 2026 (See Remarks): conversion of 397,744; open-market sale of 6,635 at $132.95; 58.4M shares after 0001823951-26-000007
- Palantir (PLTR) — Form 4 of Feb 20, 2026 (See Remarks): conversion of 403,025; open-market sale of 39,893 at $132.03; 57.9M shares after 0001823951-26-000006
- Palantir (PLTR) — Form 4 of Nov 21, 2025 (See Remarks): conversion of 359,325; open-market sale of 22,200 at $155.31; 57.4M shares after 0001823951-25-000002
- Palantir (PLTR) — Form 4 of Aug 21, 2025 (See Remarks): conversion of 222,878; open-market sale of 7,521 at $143.12; 56.8M shares after 0001321655-25-000112
- Palantir (PLTR) — Form 4 of May 21, 2025 (See Remarks): conversion of 358,982; open-market sale of 48,387 at $125.46; 56.2M shares after 0001321655-25-000074
- Palantir (PLTR) — Form 4 of Feb 21, 2025 (See Remarks): conversion of 357,890; open-market sale of 4,027 at $96.43; 55.7M shares after 0001321655-25-000025
- Palantir (PLTR) — Form 4 of Nov 22, 2024 (See Remarks): conversion of 266,563; open-market sale of 52,512 at $60.68; 55.1M shares after 0001321655-24-000224
- Palantir (PLTR) — Form 4 of Nov 20, 2024 (See Remarks): conversion of 1.0M; open-market sale of 469,647 at $63.41; 55.1M shares after 0001321655-24-000221
- Palantir (PLTR) — Form 4 of Nov 15, 2024 (See Remarks): conversion of 1.8M; open-market sale of 1.8M at $63.12; 55.1M shares after 0001321655-24-000220
- Palantir (PLTR) — Form 4 of Nov 7, 2024 (See Remarks): conversion of 3.3M; open-market sale of 2.0M at $47.49; 55.1M shares after 0001321655-24-000212
- Palantir (PLTR) — Form 4 of Oct 29, 2024 (See Remarks): conversion of 1.7M; open-market sale of 1.7M at $45.01; 55.1M shares after 0001321655-24-000196
- Palantir (PLTR) — Form 4 of Sep 17, 2024 (See Remarks): conversion of 246,502; open-market sale of 246,502 at $36.00; 55.1M shares after 0001321655-24-000171
- Palantir (PLTR) — Form 4 of Aug 22, 2024 (See Remarks): conversion of 207,050; open-market sale of 206,360 at $32.25; 55.1M shares after 0001321655-24-000147
Sources: SEC Schedules 13D and 13G (stakes above 5%, which count everything a person votes or can acquire within 60 days) and Forms 3, 4 and 5 (the shares a director, officer or 10% owner holds, filed within two business days of each trade). Values at the last price.