Bethany Mayer
Bethany Mayer: Director at Lam Research, Director at Astera Labs and Director at Hewlett Packard Enterprise. What Bethany Mayer holds in 3 AI and semiconductor companies tracked on Silicon Floor, from their SEC filings, broken down: the shares held and how, then any restricted shares, options or other rights declared.
Lam Research (LRCX)
Bethany Mayer holds 22,630 Lam Research shares (0.00% of the company), worth about $7.8M at the last price, according to the Form 4 of Sep 9, 2026.
- Shares held: 20,995 (0.00%), $7.2M — Held through trusts (By Trust).
- Shares held: 1,635 (0.00%), $562,014.90 — Held in their own name.
Hewlett Packard Enterprise (HPE)
Bethany Mayer holds 28,096 Hewlett Packard Enterprise shares (0.00% of the company), worth about $1.9M at the last price, according to the Form 4 of May 5, 2026.
- Shares held: 20,078 (0.00%), $1.4M — Held through trusts (by JM2002Trust).
- Shares held: 8,018 (0.00%), $548,912.28 — Held in their own name.
- Share units: 8,750 (0.00%), $599,025.00 — Hewlett Packard Enterprise promised them as pay: each unit becomes a share when it vests, if its conditions are met. No vote until then.
Astera Labs (ALAB)
Bethany Mayer holds 6,389 Astera Labs shares (0.00% of the company), worth about $2.3M at the last price, according to the Form 4 of Jun 24, 2026.
- Shares held: 5,550 (0.00%), $2.0M — Held in their own name.
- Shares held: 839 (0.00%), $303,088.75 — Held through trusts (By Trust).
Declarations
- Lam Research (LRCX) — Form 4 of Sep 9, 2026: open-market sale of 9,557 at $314.74; 22,630 shares after 0001405693-26-000011
- Astera Labs (ALAB) — Form 4 of Jun 24, 2026: open-market sale of 99 at $391.27; open-market sale of 193 at $392.67; 6,389 shares after 0001405693-26-000009
- Astera Labs (ALAB) — Form 4 of Jun 4, 2026: grant or award of 837; 7,075 shares after 0001405693-26-000007
- Hewlett Packard Enterprise (HPE) — Form 4 of May 5, 2026: open-market sale of 6,482 at $29.10; 28,096 shares after 0001405693-26-000004
- Hewlett Packard Enterprise (HPE) — Form 4 of Apr 1, 2026: option exercise or conversion of 14,500 at $23.98; 34,578 shares after 0001405693-26-000002
- Lam Research (LRCX) — Form 4 of Nov 10, 2025: grant or award of 1,635; open-market sale of 30 at $159.52; 32,187 shares after 0001405693-25-000009
- Lam Research (LRCX) — Form 4 of Nov 3, 2025: open-market sale of 1,298 at $159.99; 30,582 shares after 0001405693-25-000007
- Astera Labs (ALAB) — Form 4 of Jun 26, 2025: open-market sale of 261 at $86.81; open-market sale of 312 at $87.65; 6,238 shares after 0001736297-25-000074
- Astera Labs (ALAB) — Form 4 of Jun 8, 2025: grant or award of 2,351; 6,924 shares after 0001736297-25-000053
- Hewlett Packard Enterprise (HPE) — Form 4 of May 2, 2025; 20,078 shares after 0001062993-25-008641
- Hewlett Packard Enterprise (HPE) — Form 4 of Apr 4, 2025: open-market sale of 6,409 at $13.19; 20,078 shares after 0001062993-25-007246
- Hewlett Packard Enterprise (HPE) — Form 4 of Apr 2, 2025: option exercise or conversion of 14,323 at $16.12; 26,487 shares after 0001062993-25-007111
- Lam Research (LRCX) — Form 4 of Nov 8, 2024: grant or award of 2,950; 31,880 shares after 0000707549-24-000152
- Lam Research (LRCX) — Form 4/A of Nov 6, 2024: gift of 28,930; gift of 28,930; 28,930 shares after 0000707549-25-000002
- Lam Research (LRCX) — Form 4 of Nov 6, 2024: other of 28,930; other of 28,930; 28,930 shares after 0000707549-24-000136
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.