Bio-Rad director reports RSU grant and share vesting

Bio-Rad Laboratories director Allison Schwartz reported equity compensation activity.

Rhea-AI Filing Summary

Bio-Rad Laboratories director Allison Schwartz reported equity compensation activity. On September 5, 2025, she received a grant of 914 restricted stock units, each representing a contingent right to one share of Bio-Rad Class A common stock. On September 6, 92 RSUs vested and converted into 92 shares, and 33 shares were delivered at $295.43 per share to satisfy tax liabilities. Following these events, she holds 1,191 restricted stock units and 1,456 shares of Bio-Rad Class A common stock, all held directly.

Insights

Corporate Governance Expert

TL;DR: Routine director RSU vesting and a small sale recorded; no governance red flags in the filing itself.

The Form 4 shows time-based restricted stock units vesting under a standard schedule and a modest disposition of 33 shares at $295.43. The transactions are consistent with compensation vesting and subsequent share processing. The disclosure is complete for Section 16 purposes and contains the required signature and transaction dates. There are no indications of unusual transfer mechanisms or related-party transfers in the filing.

Securities Analyst

TL;DR: Small-scale insider activity: 1,006 RSUs/shares reported acquired across two dates and a sale of 33 shares.

The report quantifies the change in beneficial ownership: 914 restricted stock units vested on 09/05/2025 and 92 units on 09/06/2025, with the filing showing 1,489 direct shares after the 09/06 acquisitions and 1,456 after the 33-share sale at $295.43. This is a routine disclosure of compensation-related vesting and a minor disposition; it does not present material information about company performance or strategy.

Insider Trade Summary

92 shares exercised/converted

Exercise 4 txns

Insider Allison Schwartz

Role Director

Type	Security	Shares	Price	Value
Exercise	Restricted Stock Units	92	$0.00	$0.00
Exercise	Bio-Rad A Common Stock	92	$0.00	$0.00
Exercise Price or Tax Liability	Bio-Rad A Common Stock	33	$295.43	$10K
Grant/Award	Restricted Stock Units	914	$0.00	$0.00

Holdings After Transaction: Restricted Stock Units — 1,191 contracts (Direct); Bio-Rad A Common Stock — 1,456 shares (Direct)

Footnotes (3)

1. F1. Shares of Class A common stock acquired on the vesting of restricted stock units.
2. F2. Each restricted stock unit represents a contingent right to receive one share of Bio-Rad Class A common stock.
3. F3. The restricted stock units vest over four years at 25% per year on the yearly anniversary date of the grant.

Key Figures

RSUs Granted: 914 restricted stock units RSUs Vested and Converted: 92 shares Shares Withheld for Taxes: 33 shares at $295.43 per share +2 more

5 metrics

RSUs Granted 914 restricted stock units Grant to Allison Schwartz on September 5, 2025

RSUs Vested and Converted 92 shares 92 RSUs vested and converted into Bio-Rad A Common Stock on September 6, 2025

Shares Withheld for Taxes 33 shares at $295.43 per share Tax-withholding disposition of Bio-Rad A Common Stock on September 6, 2025

Post-transaction RSU Holdings 1,191 restricted stock units Direct holdings of restricted stock units after reported transactions

Post-transaction Share Holdings 1,456 shares Direct holdings of Bio-Rad A Common Stock after reported transactions

Key Terms

Restricted Stock Units, contingent right, tax-withholding disposition, vesting

4 terms

Restricted Stock Units financial

"The restricted stock units vest over four years at 25% per year"

Restricted stock units are a type of company reward where employees are promised shares of stock, but they only fully own these shares after meeting certain conditions, like staying with the company for a set time. They matter because they can become valuable assets and are often used to motivate employees to help the company succeed.

contingent right financial

"Each restricted stock unit represents a contingent right to receive one share"

tax-withholding disposition financial

"Payment of exercise price or tax liability by delivering securities"

A tax-withholding disposition is an event or transaction—such as selling or transferring securities, exercising options, or receiving compensation—that triggers a requirement to hold back part of the payment and remit it to tax authorities. It matters to investors because it reduces the cash they receive immediately and can change the timing and amount of taxable income, like a cashier taking a portion of your sale proceeds to pay taxes before you get the rest.

vesting financial

"Shares of Class A common stock acquired on the vesting of restricted stock units"

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.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What transactions did Allison Schwartz report in Bio-Rad (BIO)'s latest Form 4?

Allison Schwartz reported a grant of 914 restricted stock units, vesting and conversion of 92 RSUs into 92 shares, and a tax-withholding disposition of 33 shares at $295.43. After these events, she directly holds 1,191 RSUs and 1,456 Bio-Rad Class A shares.

How many restricted stock units does Allison Schwartz now hold at Bio-Rad (BIO)?

After the reported grant and vesting, Allison Schwartz holds 1,191 restricted stock units directly. These RSUs each represent a contingent right to receive one share of Bio-Rad Class A common stock, vesting over four years at 25% per year from the grant date.

What is Allison Schwartz's current Bio-Rad (BIO) Class A common stock holding?

Following the RSU vesting and related tax withholding, Allison Schwartz directly holds 1,456 shares of Bio-Rad Class A common stock. The filing also shows that 33 shares were delivered at $295.43 per share to satisfy tax obligations tied to the vesting.

What were the terms of the restricted stock units granted to Allison Schwartz at Bio-Rad (BIO)?

Schwartz received 914 restricted stock units, each providing a contingent right to one share of Bio-Rad Class A common stock. The RSUs vest over four years at 25% per year on the yearly anniversary of the grant, as described in the filing footnotes.

How many shares were withheld for taxes in Allison Schwartz's Bio-Rad (BIO) Form 4?

The Form 4 reports a tax-withholding disposition of 33 shares of Bio-Rad Class A common stock at $295.43 per share. These shares were delivered to satisfy tax liabilities arising from the vesting and conversion of restricted stock units into common stock.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Accepted by SEC EDGAR 09/09/2025 - 04:21 PM Learn about SEC filing dates

SEC Form 4

FORM 4

UNITED 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^*

Allison Schwartz

(Last) (First) (Middle)

C/O BIO-RAD LABORATORIES, INC.

1000 ALFRED NOBEL DRIVE

(Street)

HERCULES CA 94547

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
BIO-RAD LABORATORIES, INC. [ BIO BIO.B ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

X	Director		10% Owner
	Officer (give title below)		Other (specify below)

3. Date of Earliest Transaction (Month/Day/Year)
09/05/2025

4. If Amendment, Date of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

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)
			Code	V	Amount	(A) or (D)	Price
Bio-Rad A Common Stock	09/06/2025		M		92(1)	A	$0	1,489	D
Bio-Rad A Common Stock	09/06/2025		F		33	D	$295.43	1,456	D

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)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares
Restricted Stock Units	$0(2)	09/05/2025		A		914		(3)	(3)	Bio-Rad A Common Stock	914	$0	914	D
Restricted Stock Units	$0(2)	09/06/2025		M			92	(3)	(3)	Bio-Rad A Common Stock	92	$0	277	D

Explanation of Responses:

1. Shares of Class A common stock acquired on the vesting of restricted stock units.

2. Each restricted stock unit represents a contingent right to receive one share of Bio-Rad Class A common stock.

3. The restricted stock units vest over four years at 25% per year on the yearly anniversary date of the grant.

Remarks:

	/s/ Allison Schwartz	09/09/2025
	** Signature of Reporting Person	Date
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.