Jack R. Lazar
Jack R. Lazar: Director at Astera Labs and Director at GlobalFoundries. What Jack R. Lazar holds in 2 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.
Astera Labs (ALAB)
Jack R. Lazar holds 75,688 Astera Labs shares (0.04% of the company), worth about $27.4M at the last price, according to the Form 4 of Jun 4, 2026.
- Shares held: 75,688 (0.04%), $27.4M — Held in their own name.
GlobalFoundries (GFS)
Jack R. Lazar holds 28,094 GlobalFoundries shares (0.01% of the company), worth about $1.4M at the last price, according to the Form 4 of Jul 29, 2026.
- Shares held: 28,094 (0.01%), $1.4M — Held in their own name.
Declarations
- GlobalFoundries (GFS) — Form 4 of Jul 29, 2026; 28,094 shares after 0001709048-26-000203
- GlobalFoundries (GFS) — Form 4 of Jul 28, 2026 0001709048-26-000188
- Astera Labs (ALAB) — Form 4 of Jun 4, 2026: grant or award of 837; open-market sale of 879 at $362.84; 75,688 shares after 0001277624-26-000015
- GlobalFoundries (GFS) — Form 3 of Mar 17, 2026; 22,527 shares after 0001628280-26-018885
- Astera Labs (ALAB) — Form 4 of Mar 16, 2026: open-market sale of 2,500 at $130.00; 84,851 shares after 0001277624-26-000008
- Astera Labs (ALAB) — Form 4 of Mar 5, 2026: open-market sale of 1,601 at $118.15; open-market sale of 3,167 at $119.49; 87,351 shares after 0001277624-26-000006
- Astera Labs (ALAB) — Form 4 of Nov 20, 2025: open-market sale of 168 at $142.31; open-market sale of 461 at $143.60; 94,851 shares after 0001277624-25-000007
- Astera Labs (ALAB) — Form 4 of Aug 27, 2025: open-market sale of 1,553 at $176.73; open-market sale of 8,718 at $177.73; 97,351 shares after 0001736297-25-000122
- Astera Labs (ALAB) — Form 4 of Jun 8, 2025: grant or award of 2,351; 119,851 shares after 0001736297-25-000055
- Astera Labs (ALAB) — Form 4 of Feb 18, 2025: open-market sale of 13 at $88.60; open-market sale of 2,233 at $91.11; 117,500 shares after 0001736297-25-000005
- Astera Labs (ALAB) — Form 4 of Nov 15, 2024: open-market sale of 6,225 at $85.73; open-market sale of 3,120 at $86.61; 122,500 shares after 0001736297-24-000051
- Astera Labs (ALAB) — Form 4 of Oct 11, 2024: open-market sale of 2,000 at $69.95; 135,000 shares after 0001736297-24-000039
- Astera Labs (ALAB) — Form 4 of Oct 9, 2024: open-market sale of 3,000 at $61.69; 137,000 shares after 0001736297-24-000038
- Astera Labs (ALAB) — Form 4 of Sep 23, 2024: open-market sale of 5,000 at $50.71; open-market sale of 17,954 at $50.69; 140,000 shares after 0001736297-24-000033
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.