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Who

May Su

Director

Company insider

Files Form 4 as: Director, Onto Innovation.

Every Form 4 they filed

In numbers

Trades disclosed
6
Buys
0
Sells
0
Bought
$0
Sold
$0
Companies
1
Companies where not an officer
1
First trade
10 May 2022
Last trade
20 May 2026
Last filed
22 May 2026

Companies traded

Everywhere else they filed: board seats, 10% stakes, other companies
ONTO Onto InnovationDirector · Life-science tools · last 20 May 20260 buys · 0 sells

Activity over time

Not enough dated trades to draw.

Every trade

TradedCompanyWhatAmount
20 May 2026filed 22 May 2026ONTO Onto InnovationLife-science toolsSEC FORM 4 Code A—761 at $0.00filing
20 May 2026filed 22 May 2026ONTO Onto InnovationLife-science toolsSEC FORM 4 Code A—761 at $0.00filing
21 May 2025filed 23 May 2025ONTO Onto InnovationLife-science toolsSEC FORM 4 Code A—2,114 at $0.00filing
22 May 2024filed 23 May 2024ONTO Onto InnovationLife-science toolsSEC FORM 4 Code A—809 at $0.00filing
9 May 2023filed 11 May 2023ONTO Onto InnovationLife-science toolsSEC FORM 4 Code A—2,200 at $0.00filing
10 May 2022filed 12 May 2022ONTO Onto InnovationLife-science toolsSEC FORM 4 Code A—2,100 at $0.00filing

News

No headline names them, or the companies they trade most, lately.

Sectors

No trade we could place in a sector.

Related people

David Brian MillerDirector · Director at Onto Innovation, filing Form 4 there in the last year
Shirley ChenSenior Vice President of Custo · Senior Vice President of Custo at Onto Innovation, filing Form 4 there in the last year
Brian K. RobertsChief Financial Officer · Chief Financial Officer at Onto Innovation, filing Form 4 there in the last year
Susan D. LynchDirector · Director at Onto Innovation, filing Form 4 there in the last year
Stephen Douglas KelleyDirector · Director at Onto Innovation, filing Form 4 there in the last year