Warren Foust - 14 Aug 2026 Form 4 Insider Report for STAAR SURGICAL CO (STAA)

Reporting relationship: President and CEO
Issuer ticker: STAA
Reported as of: 14 Aug 2026
Net transaction value: $0
SEC form: 4
Accepted by SEC: 18 Aug 2026, 16:03:06 UTC
Prior SEC filing: 04 Aug 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 18 Aug 2026.

Key facts

This page summarizes Warren Foust's Form 4 filing for STAAR SURGICAL CO (STAA).
11 reported transactions and 7 derivative rows are listed below.
Accepted by SEC: 18 Aug 2026, 16:03.

Change

Previous filing in this sequence was filed on 04 Aug 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: President and CEO
Address: 25510 COMMERCENTRE DRIVE, LAKE FOREST
Signature: /s/ Warren Foust
Signature date: 18 Aug 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: +7,331
Change %: +8.5%
Price: $0.000000^*
Shares after: 93,887
Date: 14 Aug 2026
Ownership: Direct

STAA transaction

Common Stock

Tax liability

Transaction value
Shares: -3,730
Change %: -3.7%
Price: $26.18^*
Shares after: 97,617
Date: 14 Aug 2026
Ownership: Direct
Footnotes: F1

STAA transaction

Common Stock

Options Exercise

Transaction value
Shares: +3,666
Change %: +4.1%
Price: $0.000000^*
Shares after: 93,951
Date: 14 Aug 2026
Ownership: Direct

STAA transaction

Common Stock

Tax liability

Transaction value
Shares: -1,865
Change %: -1.9%
Price: $26.18^*
Shares after: 95,816
Date: 14 Aug 2026
Ownership: Direct
Footnotes: F2

Reported derivative securities

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

STAA transaction Derivative

Restricted Stock Units

Award

Transaction value
Shares: +22,493
Change %
Price: $0.000000^*
Shares after: 22,493
Date: 14 Aug 2026
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 22,493
Exercise price: $0.000000
Footnotes: F3, F4

STAA transaction Derivative

Stock Option (right to buy)

Award

Transaction value
Shares: +40,471
Change %
Price: $0.000000^*
Shares after: 40,471
Date: 14 Aug 2026
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 40,471
Exercise price: $26.18
Footnotes: F5

STAA transaction Derivative

Stock Option (right to buy)

Award

Transaction value
Shares: +37,962
Change %
Price: $0.000000^*
Shares after: 37,962
Date: 14 Aug 2026
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 37,962
Exercise price: $26.18
Footnotes: F6

STAA transaction Derivative

Performance Stock Option (right to buy)

Award

Transaction value
Shares: +131,830
Change %
Price: $0.000000^*
Shares after: 131,830
Date: 14 Aug 2026
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 131,830
Exercise price: $26.18
Footnotes: F7

STAA transaction Derivative

Performance Stock Option (right to buy)

Award

Transaction value
Shares: +123,659
Change %
Price: $0.000000^*
Shares after: 123,659
Date: 14 Aug 2026
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 123,659
Exercise price: $26.18
Footnotes: F8

STAA transaction Derivative

Performance Stock Units

Options Exercise

Transaction value
Shares: +7,331
Change %: +8.5%
Price: $0.000000^*
Shares after: 93,887
Date: 14 Aug 2026
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 7,331
Exercise price: $0.000000
Footnotes: F9

STAA transaction Derivative

Performance Stock Units

Options Exercise

Transaction value
Shares: +3,666
Change %: +3.9%
Price: $0.000000^*
Shares after: 97,553
Date: 14 Aug 2026
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 3,666
Exercise price: $0.000000
Footnotes: F10

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

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 10 footnotes

Footnote F1

On August 14, 2026, the third tranche of 7,331 performance stock units ("PSUs") awarded to the Reporting Person under the Issuer's 2025 Performance Stock Award Program ("2025 PSU Program") in connection with his annual equity grant vested, of which 3,730 shares were withheld to satisfy taxes.

Footnote F2

On August 14, 2026, the third tranche of 3,666 PSUs awarded to the Reporting Person under the Issuer's 2025 PSU Program in connection with his expanded role as President and Chief Operating Officer vested, of which 1,865 shares were withheld to satisfy taxes.

Footnote F3

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

Footnote F4

The Reporting Person was granted Issuer restricted stock units (RSUs) on August 14, 2026 (the "Grant Date"). These RSUs vest as to 1/3 on the first anniversary of the Grant Date, and the remaining 2/3 vesting in 24 substantially equal monthly installments thereafter.

Footnote F5

The Reporting Person was granted an option to purchase 40,471 shares of Company common stock. The shares underlying the option vest over three years from the Grant Date, with one-third vesting on the first anniversary of the Grant Date and the remaining two-thirds vesting in 24 substantially equal monthly installments thereafter

Footnote F6

The Reporting Person was granted an option to purchase 37,962 shares of Company common stock. The shares underlying the option vest over 42 months from the Grant Date, with one-third vesting on the 18-month anniversary of the Grant Date and the remaining two-thirds vesting in 24 substantially equal monthly installments thereafter.

Footnote F7

The Reporting Person was granted a performance option to purchase 131,830 shares of Company common stock. The shares underlying the option vest over a performance period ending on the earlier of a change in control and the 10-year anniversary of the Grant Date, subject to achievement of stock-price hurdles of $50.00, $75.00 and $100.00 per share, and time vest as to one-third on the first anniversary of the Grant Date with the remaining two-thirds vesting in 24 substantially equal monthly installments thereafter.

Footnote F8

The Reporting Person was granted a performance option to purchase 123,659 shares of Company common stock. The shares underlying the option vest over a performance period ending on the earlier of a change in control and the 10-year anniversary of the Grant Date, subject to achievement of stock-price hurdles of $50.00, $75.00 and $100.00 per share, and time vest as to one-third on the 18-month anniversary of the Grant Date with the remaining two-thirds vesting in 24 substantially equal monthly installments thereafter.

Footnote F9

Represents the settlement of the third tranche of PSUs awarded to the Reporting Person in connection with his annual equity grant under the 2025 PSU Program. The number of shares was determined upon certification by the Compensation Committee based on achievement of applicable performance goals. The original grant was exempt pursuant to Rule 16b-3(d) and was not previously reported.

Footnote F10

Represents the settlement of the third tranche of PSUs awarded under the 2025 PSU Program to the Reporting Person in connection with his expanded role as President & Chief Operating Officer. The number of shares earned was determined upon certification by the Compensation Committee based on achievement of applicable performance goals. The original grant was exempt pursuant to Rule 16b-3(d) and was not previously reported.