# EDGAR Filing Document

**Accession Number:** 0000012208
**File Stem:** 0000012208-25-000069
**Filing Date:** 2025-10
**Character Count:** 15755
**Document Hash:** fa58b50a91475828281f73b6ddb0d11e
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0000012208-25-000069.hdr.sgml**: 20251028

**ACCESSION NUMBER**: 0000012208-25-000069

**CONFORMED SUBMISSION TYPE**: SCHEDULE 13D/A

**PUBLIC DOCUMENT COUNT**: 1

**FILED AS OF DATE**: 20251028

**DATE AS OF CHANGE**: 20251028

**SUBJECT COMPANY**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** BIO-RAD LABORATORIES, INC.
- **CENTRAL INDEX KEY:** 0000012208
- **STANDARD INDUSTRIAL CLASSIFICATION:** LABORATORY ANALYTICAL INSTRUMENTS [3826]
- **ORGANIZATION NAME:** 08 Industrial Applications and Services
- **EIN:** 941381833
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** SCHEDULE 13D/A
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 005-13379
- **FILM NUMBER:** 251425267

**BUSINESS ADDRESS:**
- **STREET 1:** 1000 ALFRED NOBEL DRIVE
- **CITY:** HERCULES
- **STATE:** CA
- **ZIP:** 94547
- **BUSINESS PHONE:** 5107247000

**MAIL ADDRESS:**
- **STREET 1:** 1000 ALFRED NOBEL DRIVE
- **CITY:** HERCULES
- **STATE:** CA
- **ZIP:** 94547

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** BIO RAD LABORATORIES INC
- **DATE OF NAME CHANGE:** 19920703
**FILED BY**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** SCHWARTZ NORMAN D
- **CENTRAL INDEX KEY:** 0000940805

**ORGANIZATION NAME:**

**FILING VALUES:**
- **FORM TYPE:** SCHEDULE 13D/A

**MAIL ADDRESS:**
- **STREET 1:** 1000 ALFRED NOBEL DRIVE
- **CITY:** HERCULES
- **STATE:** CA
- **ZIP:** 94547

### UNITED STATES SECURITIES AND EXCHANGE COMMISSION
**Washington, D.C. 20549**

## SCHEDULE 13D

### Under the Securities Exchange Act of 1934

**(Amendment No. 7)**

**Bio-Rad Laboratories, Inc.**

*(Name of Issuer)*

**Class A Common Stock**

*(Title of Class of Securities)*

**090572207**

*(CUSIP Number)*

**Norman D. Schwartz**<br>1000 Alfred Nobel Drive<br>Hercules CA 94547<br>5107247000

*(Name, Address and Telephone Number of Person Authorized to Receive Notices and Communications)*

**09/25/2025**

*(Date of Event Which Requires Filing of this Statement)*

| **CUSIP No.** | **090572207** |

---

| | | | |
|:--|:--|:--|:--|
| 1 | Name of reporting person<br>**Norman D. Schwartz** | Name of reporting person<br>**Norman D. Schwartz** | |
| 2 | Check the appropriate box if a member of a Group (See Instructions)<br>[x] (a)<br>[ ] (b) | Check the appropriate box if a member of a Group (See Instructions)<br>[x] (a)<br>[ ] (b) | |
| 3 | SEC use only | SEC use only | |
| 4 | Source of funds (See Instructions)<br>**OO** | Source of funds (See Instructions)<br>**OO** | |
| 5 | Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)<br>[ ] | Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)<br>[ ] | |
| 6 | Citizenship or place of organization<br>**X1** | Citizenship or place of organization<br>**X1** | |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 7 | Sole Voting Power<br>**3211777.00** |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 8 | Shared Voting Power<br>**17145.00** |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 9 | Sole Dispositive Power<br>**3211777.00** |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 10 | Shared Dispositive Power<br>**17145.00** |
| 11 | Aggregate amount beneficially owned by each reporting person<br>**3228922.00** | Aggregate amount beneficially owned by each reporting person<br>**3228922.00** | |
| 12 | Check if the aggregate amount in Row (11) excludes certain shares (See Instructions)<br>[ ] | Check if the aggregate amount in Row (11) excludes certain shares (See Instructions)<br>[ ] | |
| 13 | Percent of class represented by amount in Row (11)<br>**14.6%** | Percent of class represented by amount in Row (11)<br>**14.6%** | |
| 14 | Type of Reporting Person (See Instructions)<br>**IN** | Type of Reporting Person (See Instructions)<br>**IN** | |

---

**Comment for Reporting Person:** (1)  David Schwartz, Bio-Rad's former Chairman of the Board, and Alice N. Schwartz, a former Director Emeritus of Bio-Rad, each of whom was a reporting person in the Prior Filing (as defined in Item 1), are deceased.

(7) (9) 2,714,928 of the reported securities are held by the following trusts, all of which Norman D. Schwartz is the sole trustee:  the David and Alice N. Schwartz Charitable Remainder Unitrust (34,311 shares); the David Schwartz Exemption Trust (90 shares); the David Schwartz Exempt Marital Trust (240 shares); the David Schwartz Non-Exempt Marital Trust (898,931 shares); and the Alice N. Schwartz Revocable Trust (1,781,356 shares). Prior to her death, Alice N. Schwartz was the sole trustee of the aforementioned trusts. Upon her death, Norman D. Schwartz, Chief Executive Officer and Chairman of the Board of Directors of Bio-Rad, became the sole trustee of such trusts. Includes 443,434 shares held by Norman D. Schwartz directly and 53,415 shares with respect to which Norman D. Schwartz has the right to acquire beneficial ownership of, immediately or within sixty days of September 25, 2025, under Bio-Rad's stock option agreements.

(8)(10) Held by the Alles Institute for Medical Research, a Delaware Charitable Nonstock Corporation, with respect to which Norman D. Schwartz shares voting and dispositive power consistent with the purposes of the Delaware Charitable Nonstock Corporation.

(11) Percentage ownership calculation for "Percent of Class Represented by Amount in Row (11)" is calculated by using a denominator of (a) 21,992,307 shares of Class A Common Stock outstanding as of July 28, 2025, as reported in the Issuer's Quarterly Report on Form 10-Q, filed with the Securities and Exchange Commission on July 31, 2025, plus (b) 53,415 shares of Class A Common Stock issuable upon the exercise of stock options exercisable by Mr. Schwartz immediately or within sixty days of September 25, 2025.

| **CUSIP No.** | **090572207** |

---

| | | | |
|:--|:--|:--|:--|
| 1 | Name of reporting person<br>**Alice N. Schwartz Revocable Trust** | Name of reporting person<br>**Alice N. Schwartz Revocable Trust** | |
| 2 | Check the appropriate box if a member of a Group (See Instructions)<br>[x] (a)<br>[ ] (b) | Check the appropriate box if a member of a Group (See Instructions)<br>[x] (a)<br>[ ] (b) | |
| 3 | SEC use only | SEC use only | |
| 4 | Source of funds (See Instructions)<br>**OO** | Source of funds (See Instructions)<br>**OO** | |
| 5 | Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)<br>[ ] | Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)<br>[ ] | |
| 6 | Citizenship or place of organization<br>**CALIFORNIA** | Citizenship or place of organization<br>**CALIFORNIA** | |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 7 | Sole Voting Power<br>**1781356.00** |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 8 | Shared Voting Power<br>**0.00** |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 9 | Sole Dispositive Power<br>**1781356.00** |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 10 | Shared Dispositive Power<br>**0.00** |
| 11 | Aggregate amount beneficially owned by each reporting person<br>**1781356.00** | Aggregate amount beneficially owned by each reporting person<br>**1781356.00** | |
| 12 | Check if the aggregate amount in Row (11) excludes certain shares (See Instructions)<br>[ ] | Check if the aggregate amount in Row (11) excludes certain shares (See Instructions)<br>[ ] | |
| 13 | Percent of class represented by amount in Row (11)<br>**8.1%** | Percent of class represented by amount in Row (11)<br>**8.1%** | |
| 14 | Type of Reporting Person (See Instructions)<br>**OO** | Type of Reporting Person (See Instructions)<br>**OO** | |

---

**Item 1. Security and Issuer**

**(a) Title of Class of Securities:**
Class A Common Stock

**(b) Name of Issuer:**
Bio-Rad Laboratories, Inc.

**(c) Address of Issuer's Principal Executive Offices:**
1000 Alfred Nobel Drive, Hercules, CA, 94547

Reference is made to the statement on Schedule 13D filed with the Securities and Exchange Commission (the "Commission") on February 16, 1982 by David Schwartz, as last amended by Amendment No. 3 to the statement on Schedule 13D filed with the Commission on January 7, 1994 and revised on January 19, 1995 by David Schwartz, Amendment No. 4 to the statement on Schedule 13D filed with the Commission on December 14, 2011, Amendment No. 5 to the statement on Schedule 13D filed with the Commission on June 29, 2017 and Amendment No. 6 to the statement on Schedule 13D filed with the Commission on July 18, 2025 (the "Prior Filing").  Norman D. Schwartz and the Alice N. Schwartz Revocable Trust (sometimes collectively referred to as the "Shareholders") have agreed to file this statement jointly in an agreement entered into pursuant to Rule 13d-1(k)(1) under the Securities Exchange Act of 1934, as amended, and included as an exhibit to this statement, which agreement is hereby incorporated by reference. The Prior Filing is incorporated by reference and is hereby amended by this statement which is filed by the Shareholders, with respect to whom the following information relates. David Schwartz, Bio-Rad's former Chairman of the Board and a reporting person in the Prior Filing, passed away on April 1, 2012. Alice N. Schwartz, a former Director Emeritus of Bio-Rad and a reporting person in the Prior Filing, passed away on September 25, 2025. The Alice N. Schwartz Revocable Trust was added as a reporting person in Amendment No. 4 to the statement on Schedule 13D filed with the Commission on December 14, 2011. Norman D. Schwartz is being added as a reporting person in this Amendment No. 7 to the statement on Schedule 13D.

**Item 4. Purpose of Transaction**

Item 4 to the Schedule 13D is hereby amended, in pertinent part, as follows:
The purpose of the Shareholders' ownership of Bio-Rad shares has been control of the Company.  Norman D. Schwartz, along with other members of his family, control the management of the Company and may be deemed to be a "parent" of the Company as that term is defined in the Rules and Regulations of the Commission.

**Item 5. Interest in Securities of the Issuer**

**(a)**
Item 5 to the Schedule 13D is hereby amended, in pertinent part, as follows:

(a)-(b).

Norman D. Schwartz owns beneficially 3,228,922 shares of Class A Common Stock, representing 14.6% of the issued and outstanding Class A Common Stock.

* 2,714,928 of these shares are held by the following trusts, all of which Norman D. Schwartz is the sole trustee: the David and Alice N. Schwartz Charitable Remainder Unitrust (34,311 shares); the David Schwartz Exemption Trust (90 shares); the David Schwartz Exempt Marital Trust (240 shares); the David Schwartz Non-Exempt Marital Trust (898,931 shares); and the Alice N. Schwartz Revocable Trust (1,781,356 shares). The shares held by the David Schwartz Exemption Trust, the David Schwartz Exempt Marital Trust, the David Schwartz Non-Exempt Marital Trust, and the Alice N. Schwartz Revocable Trust were previously held by the David and Alice Schwartz Revocable Trust, of which Alice N. Schwartz was the sole trustee after the death of her husband David Schwartz. On October 1, 2013, Alice N. Schwartz allocated these shares from the David and Alice Schwartz Revocable Trust to each of those trusts. On September 25, 2025, Norman D. Schwartz became the sole trustee of each of these trusts upon the death of his mother, Alice N. Schwartz.

* 17,145 of these shares are held by the Alles Institute for Medical Research, a Delaware Charitable Nonstock Corporation, with respect to which Norman D. Schwartz shares voting and dispositive power consistent with the purposes of the Delaware Charitable Nonstock Corporation.

* 443,434 of these shares are held by Norman D. Schwartz directly.

* 53,415 of these shares are shares that Norman D. Schwartz has the right to acquire beneficial ownership of, immediately or within sixty days of September 25, 2025, under Bio-Rad's stock option agreements.

The Alice N. Schwartz Revocable Trust holds 1,781,356 shares of Class A Common Stock, representing 8.1% of the issued and outstanding Class A Common Stock.

All percentages reported herein with respect to Class A Common Stock are calculated based upon 21,992,307 shares of Class A Common Stock outstanding as of July 28, 2025, as reported in the Issuer's Quarterly Report on Form 10-Q, filed with the Securities and Exchange Commission on July 31, 2025. For Norman D. Schwartz, the beneficial ownership calculation is calculated by using a denominator of (a) 21,992,307 shares of Class A Common Stock plus (b) 53,415 shares of Class A Common Stock issuable upon the exercise of stock options exercisable by Mr. Schwartz immediately or within sixty days of September 25, 2025.

**(b)**
—

**(c)**
Not applicable

**Item 6. Contracts, Arrangements, Understandings or Relationships With Respect to Securities of the Issuer.**

Item 6 to the Schedule 13D is hereby amended, in pertinent part, as follows:

Norman D. Schwartz has indirect beneficial ownership of 4,060,054 shares of Class B Common Stock, par value $0.0001 per share ("Class B Common Stock"), of the Company held by Blue Raven Partners, L.P., a California limited partnership, over which he has shared voting and dispositive power, as the result of his position as a general partner of Blue Raven Partners, L.P.

Mr. Schwartz is the beneficial owner of 494,510 shares of Class B Common Stock, over which he has sole voting power and which are held in the following trusts, all of which Mr. Schwartz is the sole trustee: the David Schwartz Non-Exempt Marital Trust (57,000 shares); and the Alice N. Schwartz Revocable Trust (437,510 shares). Mr. Schwartz holds 374,472 shares of Class B Common Stock but disclaims beneficial ownership with respect to 13,006 of such shares owned by his wife.

As the result of the foregoing, Mr. Schwartz has beneficial ownership of an aggregate of 4,929,036 shares of Class B Common Stock, representing 97.2% of the issued and outstanding Class B Common Stock.

The Alice N. Schwartz Revocable Trust is the direct and beneficial owner of 437,510 shares of Class B Common Stock with respect to which it has sole voting and dispositive power, representing 8.6% of the issued and outstanding Class B Common Stock.

By virtue of his Class B Common Stock ownership, Mr. Schwartz, along with other members of his family, control the management of the Company and may be deemed to be a "control person" of the Company as that term is defined in the Rules and Regulations of the Commission.

All percentages reported herein with respect to Class B Common Stock are calculated based upon 5,070,184 shares of Class B Common Stock outstanding as of July 28, 2025, as reported in the Issuer's Quarterly Report on Form 10-Q, filed with the Securities and Exchange Commission on July 31, 2025.

### SIGNATURE

After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct.

**Reporting Person:** Norman D. Schwartz

**Signature:** /s/ Norman D. Schwartz

**Name/Title:** Norman D. Schwartz, Individually

**Date:** 10/28/2025

After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct.

**Reporting Person:** Alice N. Schwartz Revocable Trust

**Signature:** /s/ Norman D. Schwartz

**Name/Title:** Norman D. Schwartz, Trustee

**Date:** 10/28/2025