Mark J. Murphy
Mark J. Murphy: EVP & Chief Financial Officer at Micron. What Mark J. Murphy 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.
Micron (MU)
Mark J. Murphy holds 219,693 Micron shares (0.02% of the company), worth about $232.9M at the last price, according to the Form 4 of Dec 24, 2025.
- Shares held: 184,693 (0.02%), $195.8M — Held in their own name.
- Shares held: 35,000 (0.00%), $37.1M — Held through companies or funds.
- Share units: 15,148 (0.00%), $16.1M — Micron promised them as pay: each unit becomes a share when it vests, if its conditions are met. No vote until then.
Declarations
- Micron (MU) — Form 4 of Dec 24, 2025 (EVP & Chief Financial Officer): other of 35,000; other of 35,000; 219,693 shares after 0001498287-25-000009
- Micron (MU) — Form 4 of Oct 30, 2025 (EVP & Chief Financial Officer): open-market sale of 3,820 at $221.64; open-market sale of 5,100 at $222.96; 219,693 shares after 0001498287-25-000007
- Micron (MU) — Form 4 of Oct 15, 2025 (EVP & Chief Financial Officer): grant or award of 27,533; shares withheld for tax of 9,271 at $181.60; 345,693 shares after 0001498287-25-000006
- Micron (MU) — Form 4 of Oct 15, 2025 (EVP & Chief Financial Officer): grant or award of 27,533; shares withheld for tax of 9,271 at $181.60; 345,693 shares after 0001498287-25-000005
- Micron (MU) — Form 4 of Jul 22, 2025 (EVP & Chief Financial Officer): open-market sale of 16,099 at $108.76; open-market sale of 14,691 at $109.39; 264,036 shares after 0001498287-25-000004
- Micron (MU) — Form 4 of Jul 15, 2025 (EVP & Chief Financial Officer): shares withheld for tax of 2,777 at $118.61; 298,036 shares after 0001498287-25-000003
- Micron (MU) — Form 4 of Apr 18, 2025 (EVP & Chief Financial Officer): shares withheld for tax of 14,386 at $68.80; 300,813 shares after 0001562180-25-003229
- Micron (MU) — Form 4 of Apr 15, 2025 (EVP & Chief Financial Officer): shares withheld for tax of 2,934 at $71.02; 315,199 shares after 0001562180-25-003197
- Micron (MU) — Form 4 of Jan 15, 2025 (EVP & Chief Financial Officer): shares withheld for tax of 2,768 at $97.36; 318,133 shares after 0001562180-25-000410
- Micron (MU) — Form 4 of Oct 15, 2024 (EVP & Chief Financial Officer): grant or award of 42,088; shares withheld for tax of 9,008 at $106.92; 320,901 shares after 0001562180-24-007360
- Micron (MU) — Form 4 of Jul 15, 2024 (EVP & Chief Financial Officer): shares withheld for tax of 2,715 at $133.55; 193,727 shares after 0001562180-24-005787
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.