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STANDARD BIOTOOLS (LAB) director Frank Witney receives new RSU and stock option awards

Filing Impact
(Neutral)
Filing Sentiment
(Neutral)
Form Type
4

Rhea-AI Filing Summary

STANDARD BIOTOOLS INC. director Frank Witney reported new equity awards that increase his stake in the company. On June 18, 2026, he received 99,116 Restricted Stock Units (RSUs) and a stock option for 175,923 shares with an exercise price of $0.8297 per share.

The RSUs vest in full on the earlier of June 18, 2027 or one day before the next annual stockholder meeting, subject to continued service. The option vests in twelve equal monthly installments beginning July 18, 2026 and expires on June 18, 2036. Following these grants, Witney holds 309,978 common shares directly and 4,225 shares indirectly through a revocable trust, in addition to the new option position.

Positive

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Negative

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Insider Witney Frank
Role null
Type Security Shares Price Value
Grant/Award Stock Option (Right to buy) 175,923 $0.00 --
Grant/Award Common Stock 99,116 $0.00 --
holding Common Stock -- -- --
Holdings After Transaction: Stock Option (Right to buy) — 175,923 shares (Direct, null); Common Stock — 309,978 shares (Direct, null); Common Stock — 4,225 shares (Indirect, See footnote)
Footnotes (1)
  1. Represents 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. Shares 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). The 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.
RSU grant size 99,116 RSUs Granted June 18, 2026; vest on earlier of June 18, 2027 or before next annual meeting
Stock option grant 175,923 options Granted June 18, 2026; right to buy common stock
Option exercise price $0.8297 per share Exercise price for 175,923-share stock option
Option expiration June 18, 2036 Expiration date of newly granted stock option
Direct common shares after grant 309,978 shares Direct ownership following the reported transactions
Indirect common shares 4,225 shares Held through a revocable trust following the report
Restricted Stock Units ("RSUs") financial
"Represents Restricted Stock Units ("RSUs") that vest in full on the earlier to occur of June 18, 2027..."
Restricted stock units (RSUs) are a company promise to give an employee shares of stock (or cash equivalent) in the future, but only after certain conditions—usually staying with the company for a set time or hitting performance goals—are met. Investors watch RSUs because when they vest they increase the number of shares outstanding and can lead insiders to sell shares, affecting share price, company dilution and the true cost of employee pay.
Stock Option (Right to buy) financial
"Stock Option (Right to buy) with an exercise price of 0.8297 and expiration date June 18, 2036"
revocable trust financial
"Shares held indirectly by First Amended and Restated Revocable Trust Agreement for The Franklin R. Witney and Catherine J. Caulfield-Witney Trust Agreement..."
A revocable trust is a legal arrangement where the person who creates it keeps control and can change or cancel the trust at any time, while naming who will manage and receive the assets later. Think of it like a flexible folder for your investments and property that can be relabeled or reworked as circumstances change; it matters to investors because it determines how ownership is recorded, how easily assets transfer on incapacity or death, and whether holdings bypass public probate proceedings.
annual meeting of stockholders financial
"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"
vesting financial
"subject to the Reporting Person's continued service through the applicable vesting date"
Vesting is the process by which you earn full ownership of something, like company stock or a retirement benefit, over time. It’s like earning the right to keep a gift piece by piece the longer you stay with a company, making sure employees stay committed before they receive all the benefits.
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Form 4 Insider Transactions: What Each Field Means →
SEC Form 4
FORM 4UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940
OMB APPROVAL
OMB Number:3235-0287
Estimated average burden
hours per response:0.5
Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).
Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.
1. Name and Address of Reporting Person*
Witney Frank
(Last)(First)(Middle)
C/O STANDARD BIOTOOLS INC.
50 MILK STREET, 10TH FLOOR
(Street)
BOSTON MASSACHUSETTS 02109
(City)(State)(Zip)
UNITED STATES
(Country)		2. Issuer Name and Ticker or Trading Symbol
STANDARD BIOTOOLS INC. [ LAB ] 		5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
XDirector10% Owner
Officer (give title below)Other (specify below)
2a. Foreign Trading Symbol
3. Date of Earliest Transaction (Month/Day/Year)
06/18/2026		6. Individual or Joint/Group Filing (Check Applicable Line)
XForm filed by One Reporting Person
Form filed by More than One Reporting Person
4. If Amendment, Date of Original Filed (Month/Day/Year)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3) 2. Transaction Date (Month/Day/Year)2A. Deemed Execution Date, if any (Month/Day/Year)3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4)
CodeVAmount(A) or (D)Price
Common Stock06/18/2026A99,116(1)A$0309,978D
Common Stock4,225ISee footnote(2)
Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3) 2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (Month/Day/Year)3A. Deemed Execution Date, if any (Month/Day/Year)4. Transaction Code (Instr. 8) 5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 6. Date Exercisable and Expiration Date (Month/Day/Year)7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4) 8. Price of Derivative Security (Instr. 5) 9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4) 10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 11. Nature of Indirect Beneficial Ownership (Instr. 4)
CodeV(A)(D)Date ExercisableExpiration DateTitleAmount or Number of Shares
Stock Option (Right to buy)$0.829706/18/2026A175,923 (3)06/18/2036Common Stock175,923$0175,923D
Explanation of Responses:
1. Represents 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.
2. Shares 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).
3. The 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.
/s/ Frank Witney by Tomone Tanaka, Attorney-in-Fact06/23/2026
** Signature of Reporting PersonDate
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.
* Form 4: SEC 1474 (03-26)

Source: View Original Filing on SEC EDGAR

FAQ

What equity awards did Frank Witney receive from STANDARD BIOTOOLS (LAB)?

Frank Witney received 99,116 Restricted Stock Units and a stock option covering 175,923 shares. Both awards were granted at no cash cost and represent compensation tied to continued service and future company performance over specified vesting schedules.

When do Frank Witney’s RSUs in STANDARD BIOTOOLS (LAB) vest?

The 99,116 RSUs vest in full on June 18, 2027, or one day before the company’s next annual stockholder meeting, whichever occurs first. Vesting is conditioned on Witney’s continued service through the applicable vesting date.

What are the terms of Frank Witney’s new stock option at STANDARD BIOTOOLS (LAB)?

The new stock option covers 175,923 shares of common stock at a $0.8297 exercise price. It vests in twelve equal monthly installments starting July 18, 2026, and remains exercisable until its expiration on June 18, 2036, subject to continued service.

How many STANDARD BIOTOOLS (LAB) shares does Frank Witney hold after these grants?

After the reported grants, Frank Witney holds 309,978 shares of common stock directly and 4,225 shares indirectly through a revocable trust. He also holds the newly granted stock option covering 175,923 underlying shares of common stock.

How are Frank Witney’s indirect STANDARD BIOTOOLS (LAB) holdings structured?

The 4,225 indirectly held shares are owned by a First Amended and Restated Revocable Trust Agreement for the Franklin R. Witney and Catherine J. Caulfield-Witney Trust, dated September 25, 2009 and amended July 31, 2018, as disclosed.

Is Frank Witney’s Form 4 transaction a market purchase or sale of LAB stock?

The reported transactions are grants of RSUs and stock options, not open-market purchases or sales. They represent compensation awards provided by STANDARD BIOTOOLS, with vesting tied to future service and standard equity incentive plan conditions.