Norman D. Schwartz - 04 Sep 2026 Form 4 Insider Report for BIO-RAD LABORATORIES, INC. (BIO)

Reporting relationship
Chairman & CEO, Director, 10%+ Owner
Issuer ticker
BIO
Reported as of
04 Sep 2026
Net transaction value
$0
Source evidence Original filing metadata and source links for verification. 4 source fields
SEC form
4
Accepted by SEC
09 Sep 2026, 18:42:11 UTC
Prior SEC filing
03 Sep 2026
Source filing
View source filing
Reporting owner 1 detail
Reporting owner signature
/s/ Norman Schwartz

Key filing fact

Norman D. Schwartz filed Form 4 for BIO-RAD LABORATORIES, INC. (BIO) on 09 Sep 2026.

Key facts

  • This page summarizes Norman D. Schwartz's Form 4 filing for BIO-RAD LABORATORIES, INC. (BIO).
  • 7 reported transactions and 3 derivative rows are listed below.
  • Accepted by SEC: 09 Sep 2026, 18:42.

Change

  • Previous filing in this sequence was filed on 03 Sep 2026.
  • Current net transaction value: $0.

Research use

  • This tells you what this filing adds before you inspect full transaction and derivative tables.
  • You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0000940805 Primary reporting owner

SCHWARTZ NORMAN D

Relationship
Chairman & CEO, Director, 10%+ Owner
Address
C/O BIO-RAD LABORATORIES, INC., 1000 ALFRED NOBEL DRIVE, HERCULES
Signature
/s/ Norman Schwartz
Signature date
09 Sep 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

BIO transaction

Bio-Rad A Common Stock

Options Exercise

Transaction value
Shares
+4,109
Change %
+0.92%
Price
$0.000000*
Shares after
450,294
Date
05 Sep 2026
Ownership
Direct
Footnotes
F1
BIO transaction

Bio-Rad A Common Stock

Tax liability

Transaction value
Shares
-2,876
Change %
-0.64%
Price
$386.11*
Shares after
447,418
Date
05 Sep 2026
Ownership
Direct
BIO transaction

Bio-Rad A Common Stock

Options Exercise

Transaction value
Shares
+3,455
Change %
+0.77%
Price
$0.000000*
Shares after
450,873
Date
06 Sep 2026
Ownership
Direct
Footnotes
F1
BIO transaction

Bio-Rad A Common Stock

Tax liability

Transaction value
Shares
-1,854
Change %
-0.41%
Price
$386.11*
Shares after
449,019
Date
06 Sep 2026
Ownership
Direct
BIO holding

Bio-Rad B Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after
361,466
Date
04 Sep 2026
Ownership
Direct
BIO holding

Bio-Rad B Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after
13,006
Date
04 Sep 2026
Ownership
By Spouse
Footnotes
F2
BIO holding

Bio-Rad B Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after
4,060,054
Date
04 Sep 2026
Ownership
By Blue Raven Partners, L.P.
Footnotes
F3
BIO holding

Bio-Rad A Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after
1,781,356
Date
04 Sep 2026
Ownership
By Alice N. Schwartz Revocable Trust
Footnotes
F4
BIO holding

Bio-Rad A Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after
90
Date
04 Sep 2026
Ownership
By David Schwartz Exemption Trust
Footnotes
F4
BIO holding

Bio-Rad A Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after
240
Date
04 Sep 2026
Ownership
By David Schwartz Exempt Martial Trust
Footnotes
F4
BIO holding

Bio-Rad A Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after
898,931
Date
04 Sep 2026
Ownership
By David Schwartz Non-Exempt Martial Trust
Footnotes
F4
BIO holding

Bio-Rad B Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after
57,000
Date
04 Sep 2026
Ownership
By David Schwartz Non-Exempt Martial Trust
Footnotes
F4
BIO holding

Bio-Rad A Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after
34,311
Date
04 Sep 2026
Ownership
By Charitable Remainder Unitrust
Footnotes
F4
BIO holding

Bio-Rad B Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after
437,510
Date
04 Sep 2026
Ownership
By Alice N. Schwartz Revocable Trust
Footnotes
F4

Reported derivative securities

Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.

BIO transaction Derivative

Restricted Stock Units

Award

Transaction value
Shares
+17,251
Change %
Price
$0.000000*
Shares after
17,251
Date
04 Sep 2026
Ownership
Direct
Underlying class
Bio-Rad A Common Stock
Underlying amount
17,251
Exercise price
$0.000000
Footnotes
F5, F6
BIO transaction Derivative

Restricted Stock Units

Options Exercise

Transaction value
Shares
-4,109
Change %
-25%
Price
$0.000000*
Shares after
12,330
Date
05 Sep 2026
Ownership
Direct
Underlying class
Bio-Rad A Common Stock
Underlying amount
4,109
Exercise price
$0.000000
Footnotes
F5, F7
BIO transaction Derivative

Restricted Stock Units

Options Exercise

Transaction value
Shares
-3,455
Change %
-33%
Price
$0.000000*
Shares after
6,912
Date
06 Sep 2026
Ownership
Direct
Underlying class
Bio-Rad A Common Stock
Underlying amount
3,455
Exercise price
$0.000000
Footnotes
F5, F7
* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 7 footnotes

Footnote F1

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

Footnote F2

The reporting person disclaims beneficial ownership of these shares.

Footnote F3

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.

Footnote F4

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.

Footnote F5

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

Footnote F6

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.

Footnote F7

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

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