Warren Foust - 12 Mar 2026 Form 4 Insider Report for STAAR SURGICAL CO (STAA)

Reporting relationship: Interim Co-CEO and Pres. & COO
Issuer ticker: STAA
Reported as of: 12 Mar 2026
Net transaction value: $0
SEC form: 4
Accepted by SEC: 16 Mar 2026, 17:00:16 UTC
Prior SEC filing: 04 Feb 2026
Next SEC filing: 12 May 2026
Source filing: View source filing
Reporting owner signature: /s/ Warren Foust

Key filing fact

Warren Foust filed Form 4 for STAAR SURGICAL CO (STAA) on 16 Mar 2026.

Key facts

This page summarizes Warren Foust's Form 4 filing for STAAR SURGICAL CO (STAA).
7 reported transactions and 4 derivative rows are listed below.
Accepted by SEC: 16 Mar 2026, 17:00.

Change

Previous filing in this sequence was filed on 04 Feb 2026.
Current net transaction value: $0.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0001970778 Primary reporting owner

Foust Warren

Relationship: Interim Co-CEO and Pres. & COO
Address: 25510 COMMERCENTRE DRIVE, LAKE FOREST
Signature: /s/ Warren Foust
Signature date: 16 Mar 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

STAA transaction

Common Stock

Options Exercise

Transaction value
Shares: +8,175
Change %: +31%
Price: $0.000000^*
Shares after: 34,263
Date: 12 Mar 2026
Ownership: Direct
Footnotes: F1

STAA transaction

Common Stock

Options Exercise

Transaction value
Shares: +19,550
Change %: +57%
Price: $0.000000^*
Shares after: 53,813
Date: 14 Mar 2026
Ownership: Direct
Footnotes: F3

STAA transaction

Common Stock

Options Exercise

Transaction value
Shares: +9,775
Change %: +18%
Price: $0.000000^*
Shares after: 63,588
Date: 14 Mar 2026
Ownership: Direct
Footnotes: F4, F5

Reported derivative securities

Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.

STAA transaction Derivative

Restricted Stock Units

Options Exercise

Transaction value
Shares: -8,175
Change %: -50%
Price: $0.000000^*
Shares after: 8,175
Date: 12 Mar 2026
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 8,175
Exercise price: $0.000000
Footnotes: F1, F6

STAA transaction Derivative

Restricted Stock Units

Award

Transaction value
Shares: +45,117
Change %
Price: $0.000000^*
Shares after: 45,117
Date: 13 Mar 2026
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 45,117
Exercise price: $0.000000
Footnotes: F2, F6

STAA transaction Derivative

Restricted Stock Units

Options Exercise

Transaction value
Shares: -19,550
Change %: -33%
Price: $0.000000^*
Shares after: 39,101
Date: 14 Mar 2026
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 19,550
Exercise price: $0.000000
Footnotes: F3, F6

STAA transaction Derivative

Restricted Stock Units

Options Exercise

Transaction value
Shares: -9,775
Change %: -33%
Price: $0.000000^*
Shares after: 19,551
Date: 14 Mar 2026
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 9,775
Exercise price: $0.000000
Footnotes: F4, F6

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 6 footnotes

Footnote F1

Reflects restricted stock units (RSUs) granted to the Reporting Person on March 12, 2024. These RSUs vested as to 1/3 (8,175 shares) on March 12, 2025, 1/3 (8,175 shares) on March 12, 2026, and will vest as to 1/3 (8,175 shares) on March 12, 2027.

Footnote F2

Reflects RSUs granted to the Reporting Person on March 13, 2026 in connection with annual equity award. These RSUs vest as to 1/3 (15,039 shares) on March 13, 2027, 1/3 (15,039 shares) on March 13, 2028, and 1/3 (15,039 shares) on March 13, 2029.

Footnote F3

Reflects RSUs granted to the Reporting Person on March 14, 2025. These RSUs vested as to 1/3 (19,550 shares) on March 14, 2026, and will vest as to 1/3 (19,550 shares) on March 14, 2027, and 1/3 (19,551 shares) on March 14, 2028.

Footnote F4

Reflects RSUs granted to the Reporting Person on March 14, 2025. These RSUs vested as to 1/3 (9,775 shares) on March 14, 2026, and will vest as to 1/3 (9,775 shares) on March 14, 2027, and 1/3 (9,776 shares) on March 14, 2028.

Footnote F5

Includes previously granted RSUs, which are subject to future vesting.

Footnote F6

Each RSU represents the right to receive one share of the Corporation's common stock upon vesting.