SEC Form 4 · accession 0001193125-26-279830
STANDARD BIOTOOLS INC. · LAB
Statement of changes in beneficial ownership, as filed. Original on EDGAR ↗
Reporting owner
Frank Witney
Director
Period of report
Jun 18, 2026
Accepted (ET)
Jun 23, 2026 · 5:43 pm EDT
Rule 10b5-1 plan
box not checked
Issuer CIK
0001162194
Table I — non-derivative securities
| Security | Date | Code | Shares | Price | A/D | Owned after | D/I | Nature of ownership |
|---|---|---|---|---|---|---|---|---|
| Common StockF1 | Jun 18, 2026 | A | 99,116 | $0.00 | A | 309,978 | D | |
| Common StockF2 | holding | — | — | — | 4,225 | I | See footnote |
Table II — derivative securities
| Security | Conv. / exercise price | Date | Code | Shares | A/D | Exercisable | Expires | Underlying | Underlying shares | Owned after | D/I |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Stock Option (Right to buy)F3 | $0.8297 | Jun 18, 2026 | A | 175,923 | A | — | Jun 18, 2036 | Common Stock | 175,923 | 175,923 | D |
Explanation of responses
- F1Represents Restricted Stock Units ("RSUs") that vest in full on the earlier to occur of June 18, 2027 and one day prior to the date of the Company's next annual meeting of stockholders, subject to the Reporting Person's continued service through the applicable vesting date. Each RSU represents the right to receive one share of common stock upon vesting.
- F2Shares held indirectly by First Amended and Restated Revocable Trust Agreement for The Franklin R. Witney and Catherine J. Caulfield-Witney Trust Agreement Dated September 25, 2009 (dated July 31, 2018).
- F3The Option becomes exercisable in twelve equal monthly installments beginning on July 18, 2026, subject to the Reporting Person's continued service through the applicable vesting date.