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  4. [Form 4] BIO-RAD LABORATORIES, INC. Insider Trading Activity

Bio-Rad (NYSE: BIO) director exercises 407 RSUs and receives 369-unit grant

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

Rhea-AI Filing Summary

Bio-Rad Laboratories director Melinda Litherland reported routine equity compensation activity. She exercised 407 restricted stock units into 407 shares of Bio-Rad Class A common stock, bringing her direct common stock holdings to 715 shares.

On the same date, she received a new grant of 369 restricted stock units, each representing a right to one share of Class A common stock. These new units will vest 100% on the earlier of the first anniversary of the grant date or the date of the company’s next annual meeting of stockholders, aligning her compensation with future company performance and governance milestones.

Positive

  • None.

Negative

  • None.
Insider PEI MELINDA LITHERLAND
Role null
Type Security Shares Price Value
Grant/Award Restricted Stock Units 369 $0.00 --
Exercise Restricted Stock Units 407 $0.00 --
Exercise Bio-Rad A Common Stock 407 $0.00 --
Holdings After Transaction: Restricted Stock Units — 369 shares (Direct, null); Bio-Rad A Common Stock — 715 shares (Direct, null)
Footnotes (1)
  1. Shares of Class A common stock acquired on the vesting of restricted stock units. Each restricted stock unit represents a contingent right to receive one share of Bio-Rad Class A common stock. The restricted stock units will vest 100% on the earlier of the first anniversary of the grant date or the date of the company's next annual meeting of stockholders.
RSUs exercised 407 units Converted into 407 shares of Bio-Rad Class A common stock
Shares held after exercise 715 shares Director’s direct Class A common stock holdings following transactions
New RSU grant 369 units Each unit represents a right to one share of Class A common stock
RSU vesting trigger 100% cliff vesting Earlier of first anniversary of grant or next annual stockholders’ meeting
Transaction price per unit $0.00 Both RSU exercise and new RSU grant reported at zero price per unit
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.
Each restricted stock unit represents a contingent right financial
"Each restricted stock unit represents a contingent right to receive one share of Bio-Rad Class A common stock."
Exercise or conversion of derivative security financial
"transaction_code_description": "Exercise or conversion of derivative security""
Grant, award, or other acquisition financial
"transaction_code_description": "Grant, award, or other acquisition""
will vest 100% on the earlier of the first anniversary financial
"The restricted stock units will vest 100% on the earlier of the first anniversary of the grant date"
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*
PEI MELINDA LITHERLAND
(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)
XDirector10% Owner
Officer (give title below)Other (specify below)
2a. Foreign Trading Symbol
3. Date of Earliest Transaction (Month/Day/Year)
04/21/2026		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 Stock04/21/2026M407(1)A$0715D
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)04/21/2026A369 (3) (3)Bio-Rad A Common Stock369$0369D
Restricted Stock Units$0(2)04/21/2026M407 (3) (3)Bio-Rad A Common Stock407$00D
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 will vest 100% on the earlier of the first anniversary of the grant date or the date of the company's next annual meeting of stockholders.
Remarks:
/s/ Melinda Litherland04/23/2026
** 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 insider transactions did BIO director Melinda Litherland report on this Form 4?

Melinda Litherland reported exercising 407 restricted stock units into 407 shares of Bio-Rad Class A common stock and receiving a new award of 369 restricted stock units. These transactions reflect routine equity compensation rather than open-market buying or selling activity.

How many Bio-Rad (BIO) shares does Melinda Litherland hold after the reported transactions?

After exercising restricted stock units, Melinda Litherland directly holds 715 shares of Bio-Rad Class A common stock. This total reflects the conversion of 407 previously granted restricted stock units into shares on the transaction date disclosed in the Form 4.

What new restricted stock unit grant did BIO’s Melinda Litherland receive?

Melinda Litherland received a grant of 369 restricted stock units, each representing a contingent right to one share of Bio-Rad Class A common stock. This grant increases her unvested equity-based compensation tied to the company’s future performance and governance events.

When will Melinda Litherland’s new BIO restricted stock units vest?

The 369 restricted stock units will vest 100% on the earlier of the first anniversary of the grant date or the date of Bio-Rad’s next annual meeting of stockholders. This vesting schedule links her equity compensation to a clear future corporate governance milestone.

Were Melinda Litherland’s BIO transactions open-market buys or sells?

The reported transactions were not open-market buys or sells. They involved exercising 407 restricted stock units into common shares and receiving a new grant of 369 restricted stock units, both at a transaction price per unit of $0.00 as compensation awards.