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$ONTO
$223.68 +$9.51 (4.44%) Close

$ONTO 4 SEC Filings

Filed On Filing
01 Oct 2026 Form 4: Miller David Brian, Director

Sold 2,000 shares ($600K)

04 Sep 2026 Form 4: Chen Shirley, Senior Vice President of Custo

Gave up 1,516 shares to cover exercise price or tax ($386K)

04 Sep 2026 Form 4: Roberts Brian K, Chief Financial Officer

Gave up 3,239 shares to cover exercise price or tax ($824K)

25 Aug 2026 Form 4: Lynch Susan D, Director

Sold 1,000 shares ($302K)

22 May 2026 Form 4: Su May, Director

Received 761 shares as a grant or award

22 May 2026 Form 4: Seams Christopher A, Director

Received 761 shares as a grant or award

22 May 2026 Form 4: Schwartz Stephen S, Director

Received 761 shares as a grant or award

22 May 2026 Form 4: Miller David Brian, Director

Received 761 shares as a grant or award

22 May 2026 Form 4: Lynch Susan D, Director

Received 761 shares as a grant or award

22 May 2026 Form 4: Kelley Stephen Douglas, Director

Received 761 shares as a grant or award

18 May 2026 Form 4: Yaldaei Ramil, Chief Operating Officer

Gave up 843 shares to cover exercise price or tax ($229K)

18 May 2026 Form 4: Oh Yoon Ah, SVP, Gen Counsel & Corp Sec

Gave up 530 shares to cover exercise price or tax ($144K)

04 Mar 2026 Form 4: Roberts Brian K, Chief Financial Officer

Received 3,096 shares as a grant or award · Granted 3,096 Performance Stock Unit

04 Mar 2026 Form 4: Dolev Ido, EVP, Prod Solutions Grp

Received 3,440 shares as a grant or award · Granted 3,440 Performance Stock Unit · Gave up 819 shares to cover exercise price or tax ($170K)

04 Mar 2026 Form 4: Yaldaei Ramil, Chief Operating Officer

Received 7,683 shares as a grant or award · Granted 3,096 Performance Stock Unit · Gave up 615 shares to cover exercise price or tax ($128K)

04 Mar 2026 Form 4: Plisinski Michael P, Director

Received 14,479 shares as a grant or award · Granted 14,478 Performance Stock Unit · Gave up 3,742 shares to cover exercise price or tax ($776K)

04 Mar 2026 Form 4: Oh Yoon Ah, SVP, Gen Counsel & Corp Sec

Received 2,408 shares as a grant or award · Granted 2,408 Performance Stock Unit · Gave up 417 shares to cover exercise price or tax ($86.5K)

04 Mar 2026 Form 4: Chen Shirley, SVP Customer Success

Received 2,523 shares as a grant or award · Granted 2,522 Performance Stock Unit

03 Mar 2026 Form 4: Yaldaei Ramil, Chief Operating Officer

Received 649 shares by exercise or conversion · Gave up 623 shares to cover exercise price or tax ($134K)

03 Mar 2026 Form 4: Plisinski Michael P, Director

Received 4,597 shares by exercise or conversion · Gave up 4,147 shares to cover exercise price or tax ($895K)

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