Mark Casper
Mark Casper: EVP & Chief Legal Officer at Marvell. What Mark Casper 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.
Marvell (MRVL)
Mark Casper holds 47,323 Marvell shares (0.01% of the company), worth about $12.5M at the last price, according to the Form 4 of Jul 15, 2026.
- Shares held: 44,907 (0.01%), $11.8M — Held through trusts (By Trust).
- Shares held: 2,416 (0.00%), $636,132.80 — Held in their own name.
- Share units: 13,090 (0.00%), $3.4M — Marvell promised them as pay: each unit becomes a share when it vests, if its conditions are met. No vote until then.
Declarations
- Marvell (MRVL) — Form 4 of Jul 15, 2026 (EVP & Chief Legal Officer): option exercise or conversion of 1,393; shares withheld for tax of 734 at $206.26; 47,323 shares after 0001628280-26-048548
- Marvell (MRVL) — Form 4 of Jun 15, 2026 (EVP & Chief Legal Officer): gift of 1,000; 45,378 shares after 0001628280-26-043498
- Marvell (MRVL) — Form 4 of Apr 17, 2026 (EVP & Chief Legal Officer): open-market sale of 10,000 at $135.50; 46,141 shares after 0001628280-26-026152
- Marvell (MRVL) — Form 4 of Apr 15, 2026 (EVP & Chief Legal Officer): option exercise or conversion of 2,208; shares withheld for tax of 1,095 at $134.60; 56,141 shares after 0001628280-26-025698
- Marvell (MRVL) — Form 4 of Apr 6, 2026 (EVP & Chief Legal Officer): open-market sale of 6,900 at $109.45; 14,286 shares after 0001628280-26-024047
- Marvell (MRVL) — Form 4 of Apr 2, 2026 (EVP & Chief Legal Officer): open-market sale of 7,000 at $105.11; open-market sale of 10,854 at $107.01; 21,186 shares after 0001628280-26-023325
- Marvell (MRVL) — Form 4 of Jan 15, 2026 (EVP & Chief Legal Officer): option exercise or conversion of 2,208; shares withheld for tax of 1,217 at $80.38; 39,040 shares after 0001628280-26-002654
- Marvell (MRVL) — Form 4 of Jan 5, 2026 (EVP & Chief Legal Officer): open-market sale of 5,000 at $93.08; 36,581 shares after 0001628280-26-001239
- Marvell (MRVL) — Form 4 of Dec 15, 2025 (EVP & Chief Legal Officer): option exercise or conversion of 30,534; shares withheld for tax of 15,139 at $84.26; 41,581 shares after 0001628280-25-057218
- Marvell (MRVL) — Form 4 of Dec 5, 2025 (EVP & Chief Legal Officer): open-market sale of 1,253 at $101.00; 26,186 shares after 0001628280-25-055852
- Marvell (MRVL) — Form 4 of Nov 15, 2025 (EVP & Chief Legal Officer): option exercise or conversion of 2,486; shares withheld for tax of 1,233 at $86.45; 27,438 shares after 0001628280-25-052721
- Marvell (MRVL) — Form 4 of Oct 15, 2025 (EVP & Chief Legal Officer): option exercise or conversion of 1,520; shares withheld for tax of 754 at $88.89; 26,185 shares after 0001628280-25-045272
- Marvell (MRVL) — Form 4 of Aug 15, 2025 (EVP & Chief Legal Officer): option exercise or conversion of 2,486; shares withheld for tax of 1,233 at $76.19; 22,730 shares after 0001835632-25-000181
- Marvell (MRVL) — Form 4 of Jul 18, 2025 (EVP & Chief Legal Officer): open-market sale of 3,000 at $72.35; 21,477 shares after 0001835632-25-000172
- Marvell (MRVL) — Form 4 of Jul 15, 2025 (EVP & Chief Legal Officer): option exercise or conversion of 1,519; shares withheld for tax of 754 at $72.41; 24,477 shares after 0001835632-25-000162
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.
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