If the filing person has previously filed a statement on Schedule 13G to report the acquisition that is the subject of this Schedule 13D, and is filing this schedule because of §§ 240.13d-1(e), 240.13d-1(f) or 240.13d-1(g), check the following box. Checkbox not checked

The information required on the remainder of this cover page shall not be deemed to be “filed” for the purpose of Section 18 of the Securities Exchange Act of 1934 (“Act”) or otherwise subject to the liabilities of that section of the Act but shall be subject to all other provisions of the Act (however, see the Notes).






SCHEDULE 13D




Comment for Type of Reporting Person:
EXPLANATORY NOTE: This Amendment No. 7 is being refiled to include Exhibit 1, which was inadvertently omitted from the original Amendment No. 7 filed on October 28, 2025 due to a technological error. No other changes were made to the original Amendment No. 7. (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.


SCHEDULE 13D






SCHEDULE 13D


 
Norman D. Schwartz
 
Signature:/s/ Norman D. Schwartz
Name/Title:Norman D. Schwartz, Individually
Date:10/28/2025
 
Alice N. Schwartz Revocable Trust
 
Signature:/s/ Norman D. Schwartz
Name/Title:Norman D. Schwartz, Trustee
Date:10/28/2025