Bio-Rad Laboratories, Inc.Class A (BIO)
NYSE: BIO · Laboratory Analytical Instruments · Hercules, CA · filing with the SEC since 1994
Grade5.9
◀ Past 5.3● Present 6.3▶ Future 6.1
Who owns Bio-Rad Laboratories, Inc.Class A
As filed with the SECHolders of 5% or more
4
Norman D. Schwartz holds 97.2% of Class B Common Stock, as its SCHEDULE 13D/A filed Oct 30, 2025 says.
Directors and officers
14
report now, of 32 people on the record since 2006. Their holdings as a group are not read here.
Institutions as a whole
n/a
The record does not read the share held by managers that file Form 13F, so none is printed and no split of the rest is estimated. What it holds is the 4 named at left.
Holders of 5% or moreshare of the class, as filed
Norman D. Schwartz
SCHEDULE 13D/A · filed Oct 30, 2025 · Class B Common Stock · 14.6% in Oct 30, 2025
Alice N. Schwartz
SCHEDULE 13D/A · filed Jul 18, 2025 · Class A Common Stock
First Eagle Investment Management, LLC
SCHEDULE 13G/A · filed Aug 6, 2025 · Common · 10% in May 5, 2025
Blackrock, Inc.
SCHEDULE 13G/A · filed Oct 17, 2025 · Class A Stock
The Vanguard Group
SCHEDULE 13G/A · filed Mar 26, 2026 · Common Stock · reported falling below 5%, from 8.37% in Dec 20, 2024
What BIO reports owning in othersstakes of 5% or more, and other ties
Insight Molecular Diagnostics Inc. IMDX
SCHEDULE 13G/A · filed Mar 4, 2025 · Common Shares, No Par Value
Other ties the annual report names
Stilla Technologies
A company bought · acquisition · Jun 2025 · owns, named in the 10-K filed Feb 13, 2026
63 subsidiaries in 37 countries, from the list filed with the 10-K filed Feb 13, 2026.
Insider tradesForm 4
4sales
0purchases
0sales on a scheduled plan
4people selling
$1.4Msold, in dollars
$0bought, in dollars
Open-market trades on Form 4 from Nov 12, 2025 to Nov 12, 2026. A scheduled plan is a selling program set in advance under SEC rule 10b5-1. The trades are listed as filed and do not feed the grade.
By calendar yearSoldBought
2026 runs to Nov 12, 2026. Dollars as filed, summed by the transaction date.
People who traded in the window4 of 33 on the roster
| Person | Role as filed | Sales | Sold | On a plan | Buys | Bought |
|---|---|---|---|---|---|---|
| Barry James | EVP, President, LSG | 1 | $500,000 | 0 | 0 | $0 |
| Divincenzo Jonathan P. | President & COO | 1 | $400,000 | 0 | 0 | $0 |
| Enloe Courtney C | EVP, General Counsel & Sec | 1 | $300,000 | 0 | 0 | $0 |
| Engelhardt Eva Anette | EVP, President, CDG | 1 | $100,000 | 0 | 0 | $0 |