Susan D. Lynch
Susan D. Lynch: Director at Onto Innovation and Director at Allegro MicroSystems. What Susan D. Lynch 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.
Onto Innovation (ONTO)
Susan D. Lynch holds 2,684 Onto Innovation shares (0.01% of the company), worth about $877,533.80 at the last price, according to the Form 4 of Aug 21, 2026.
- Shares held: 2,684 (0.01%), $877,533.80 — Held in their own name.
Allegro MicroSystems (ALGM)
Susan D. Lynch holds 12,805 Allegro MicroSystems shares (0.01% of the company), worth about $497,602.30 at the last price, according to the Form 4 of May 14, 2026.
- Shares held: 12,805 (0.01%), $497,602.30 — Held in their own name.
Declarations
- Onto Innovation (ONTO) — Form 4 of Aug 21, 2026: open-market sale of 1,000 at $302.30; 2,684 shares after 0001784973-26-000007
- Onto Innovation (ONTO) — Form 4 of May 20, 2026: grant or award of 761; 3,684 shares after 0001784973-26-000004
- Allegro MicroSystems (ALGM) — Form 4 of May 14, 2026: open-market sale of 16,711 at $45.46; 12,805 shares after 0001193125-26-226840
- Allegro MicroSystems (ALGM) — Form 4 of Aug 7, 2025: grant or award of 5,932; 29,516 shares after 0001784973-25-000003
- Onto Innovation (ONTO) — Form 4 of May 21, 2025: grant or award of 2,114; 2,923 shares after 0002022859-25-000059
- Allegro MicroSystems (ALGM) — Form 4 of Aug 8, 2024: grant or award of 6,873 at $26.92; 23,584 shares after 0000950170-24-094771
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.