May Su

May Su: Director at Onto Innovation. What May Su 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.

Onto Innovation (ONTO)

May Su holds 7,984 Onto Innovation shares (0.02% of the company), worth about $2.2M at the last price, according to the Form 4 of May 20, 2026.

• Shares held: 7,984 (0.02%), $2.2M — Held in their own name.

Declarations

• Onto Innovation (ONTO) — Form 4 of May 20, 2026: grant or award of 761; 7,984 shares after 0001918546-26-000003
• Onto Innovation (ONTO) — Form 4 of May 21, 2025: grant or award of 2,114; 7,223 shares after 0002022859-25-000063

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.

All holders · Who owns each AI company · All tracked companies · The AI market