STOCK TITAN

Bio-Rad EVP granted 4,313 RSUs, 2,179 vest

Bio-Rad executive Eva Anette Engelhardt had RSUs granted and vest, with some resulting shares withheld to cover costs.

(Neutral)
(Neutral)
Form Type
4

Rhea-AI Filing Summary

BIO-RAD LABORATORIES, INC. (BIO) reported insider equity activity by executive Eva Anette Engelhardt, EVP and President, CDG. On September 4, 2026 she received a grant of 4,313 restricted stock units. On September 5–6, 2026, a total of 2,179 RSUs vested and converted into Class A common shares, with 854 shares delivered or withheld to pay the exercise price or tax liability at $386.11 per share. No Rule 10b5-1 trading plan is reported.

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Insider ENGELHARDT EVA ANETTE
Role EVP, President, CDG
Type Security Shares Price Value
Exercise Restricted Stock Units F2, F4 1,152 $0.00 $0.00
Exercise Bio-Rad A Common Stock F1 1,152 $0.00 $0.00
Exercise Price or Tax Liability Bio-Rad A Common Stock 485 $386.11 $187K
Exercise Restricted Stock Units F2, F4 1,027 $0.00 $0.00
Exercise Bio-Rad A Common Stock F1 1,027 $0.00 $0.00
Exercise Price or Tax Liability Bio-Rad A Common Stock 369 $386.11 $142K
Grant/Award Restricted Stock Units F2, F3 4,313 $0.00 $0.00
Holdings After Transaction: Restricted Stock Units — 9,700 contracts (Direct); Bio-Rad A Common Stock — 1,828 shares (Direct)
Footnotes (4)
  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, with 25% vesting on the first anniversary of the grant date and the remaining units vesting in equal quarterly installments thereafter.
  4. F4. The restricted stock units vest over four years at 25% per year on the yearly anniversary date of the grant.
RSUs granted 4,313 units Restricted stock units granted to Eva Anette Engelhardt on September 4, 2026
RSUs vested and converted 2,179 shares Total RSUs that vested and converted into Bio-Rad Class A common stock on September 5–6, 2026
Shares withheld or delivered for costs 854 shares Shares delivered or withheld to pay exercise price or tax liability at vesting (code F transactions)
Price per share for code F transactions $386.11 per share Price applied to 369 and 485 Bio-Rad Class A shares on September 5 and 6, 2026
RSUs vesting period 4 years New RSU grant vests 25% at first anniversary, remainder in equal quarterly installments
Restricted Stock Units financial
"Shares of Class A common stock acquired on the vesting of restricted stock units."
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"
Rule 10b5-1 regulatory
"No Rule 10b5-1 trading plan is reported for these transactions"
Rule 10b5-1 is a regulation that allows company insiders to buy or sell their shares at predetermined times, even if they have access to non-public information. It acts like setting a schedule in advance for transactions, helping prevent accusations of unfair trading. This rule provides a way for insiders to plan trades transparently, giving investors confidence that these transactions are not based on hidden information.
exercise price or tax liability financial
"Payment of exercise price or tax liability by delivering or withholding securities"

FAQ

What insider equity transactions did BIO (Bio-Rad Laboratories, Inc.) report for Eva Anette Engelhardt?

The filing reports a grant of 4,313 restricted stock units on September 4, 2026, and the vesting and conversion of 2,179 RSUs into Bio-Rad Class A common stock on September 5–6, 2026, with some shares withheld or delivered to cover costs.

How many RSUs were granted to the Bio-Rad (BIO) executive in this Form 4?

Eva Anette Engelhardt received a grant of 4,313 restricted stock units on September 4, 2026. Each restricted stock unit represents a contingent right to receive one share of Bio-Rad Class A common stock, subject to the specified vesting schedule.

How many Bio-Rad (BIO) shares vested and were acquired in this Form 4?

On September 5–6, 2026, 2,179 restricted stock units vested and were converted into Bio-Rad Class A common shares: 1,027 shares on September 5 and 1,152 shares on September 6, all reported as directly owned following the conversions.

What share price was used for the withheld Bio-Rad (BIO) shares reported under code F?

For the code F transactions, 854 shares of Bio-Rad Class A common stock were delivered or withheld at a price of $386.11 per share in payment of the exercise price or tax liability associated with the RSU vesting and conversions.

Were the Bio-Rad (BIO) insider transactions under a Rule 10b5-1 trading plan?

No. The filing shows the Rule 10b5-1 checkbox as not affirmed, and there is no footnote indicating a pre-arranged Rule 10b5-1 trading plan for these RSU-related transactions.

What is the vesting schedule for the newly granted RSUs in the Bio-Rad (BIO) Form 4?

The 4,313 restricted stock units granted on September 4, 2026 vest over four years, with 25% vesting on the first anniversary of the grant date and the remaining units vesting in equal quarterly installments thereafter.

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

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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*
ENGELHARDT EVA ANETTE

(Last)(First)(Middle)
C/O BIO-RAD LABORATORIES, INC.
1000 ALFRED NOBEL DRIVE

(Street)
HERCULES CALIFORNIA 94547

(City)(State)(Zip)

UNITED STATES

(Country)
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)
Director10% Owner
XOfficer (give title below)Other (specify below)
EVP, President, CDG
2a. Foreign Trading Symbol
3. Date of Earliest Transaction (Month/Day/Year)
09/04/2026
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
Bio-Rad A Common Stock09/05/2026M1,027(1)A$01,530D
Bio-Rad A Common Stock09/05/2026F369D$386.111,161D
Bio-Rad A Common Stock09/06/2026M1,152(1)A$02,313D
Bio-Rad A Common Stock09/06/2026F485D$386.111,828D
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
Restricted Stock Units$0(2)09/04/2026A4,313 (3) (3)Bio-Rad A Common Stock4,313$04,313D
Restricted Stock Units$0(2)09/05/2026M1,027 (4) (4)Bio-Rad A Common Stock1,027$03,083D
Restricted Stock Units$0(2)09/06/2026M1,152 (4) (4)Bio-Rad A Common Stock1,152$02,304D
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, with 25% vesting on the first anniversary of the grant date and the remaining units vesting in equal quarterly installments thereafter.
4. The restricted stock units vest over four years at 25% per year on the yearly anniversary date of the grant.
Remarks:
/s/ Eva Anette Engelhardt09/09/2026
** 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)

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