Statement of Changes in Beneficial Ownership (Form 4)

FORM 4 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 that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934 or Section 30(h) of the Investment Company Act of 1940

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1. Name and Address of Reporting Person * SCHWARTZ NORMAN D 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 __X__ 10% Owner __X__ Officer (give title below) _____ Other (specify below) Chairman & CEO (Last) (First) (Middle) C/O BIO-RAD LABORATORIES, INC., 1000 ALFRED NOBEL DRIVE 3. Date of Earliest Transaction (Month/Day/Year) 09/01/2026 (Street) HERCULES, CA 94547 4. If Amendment, Date 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 (City) (State) (Zip) 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 09/01/2026 M 5,087(1) A $ 0 448,521 D Bio-Rad A Common Stock 09/01/2026 F 2,336 D $380.96 446,185 D Bio-Rad B Common Stock 361,466 D Bio-Rad B Common Stock 13,006 I By Spouse(2) Bio-Rad B Common Stock 4,060,054 I By Blue Raven Partners, L.P.(3) Bio-Rad A Common Stock 1,781,356 I By Alice N. Schwartz Revocable Trust(4) Bio-Rad A Common Stock 90 I By David Schwartz Exemption Trust(4) Bio-Rad A Common Stock 240 I By David Schwartz Exempt Martial Trust(4) Bio-Rad A Common Stock 898,931 I By David Schwartz Non-Exempt Martial Trust(4) Bio-Rad B Common Stock 57,000 I By David Schwartz Non-Exempt Martial Trust(4) Bio-Rad A Common Stock 34,311 I By Charitable Remainder Unitrust(4) Bio-Rad B Common Stock 437,510 I By Alice N. Schwartz Revocable Trust(4)

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
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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 Underlying Securities (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 of Derivative Security: 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 (5)

09/01/2026

M

2,082

(6)

(6)

Bio-Rad A Common Stock

2,082

$ 0

0

D

Restricted Stock Units

$ 0 (5)

09/01/2026

M

3,005

(7)

(7)

Bio-Rad A Common Stock

3,005

$ 0

3,005

D

Reporting Owners

Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
SCHWARTZ NORMAN D C/O BIO-RAD LABORATORIES, INC. 1000 ALFRED NOBEL DRIVE HERCULES, CA 94547	X	X	Chairman & CEO

Signatures

/s/ Norman Schwartz		09/03/2026
**Signature of Reporting Person		Date

Explanation of Responses:

*	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).
(1)	Shares of Class A common stock acquired on the vesting of restricted stock units.
(2)	The reporting person disclaims beneficial ownership of these shares.
(3)	The shares are held by a limited partnership of which the reporting person is a limited and general partner. The reporting person disclaims beneficial ownership of the reported securities except to the extent of his pecuniary interest therein.
(4)	The shares are held by in trust of which the reporting person serves as the trustee. The reporting person disclaims beneficial ownership of the reported securities except to the extent of his pecuniary interest therein.
(5)	Each restricted stock unit represents a contingent right to receive one share of Bio-Rad Class A common stock.
(6)	On September 1, 2022, the reporting person was granted 8,326 restricted stock units, vesting in four equal annual installments beginning on the first anniversary of the grant date.
(7)	On September 1, 2023, the reporting person was granted 12,020 restricted stock units, vesting in four equal annual installments beginning on the first anniversary of the grant date.

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