BIO-RAD LABORATORIES, INC. (BIO)
Data as of , from SEC Form 4 filings.
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Eva Anette Engelhardt - OfficerOpen-market sale$136K- James Barry - OfficerOpen-market sale$214K
- Schwartz Allison - Director
About BIO-RAD LABORATORIES, INC. (BIO)
Bio-Rad Laboratories, headquartered in Hercules, California, develops, manufactures, and sells products and solutions for the clinical diagnostics and life sciences markets. In clinical diagnostics (60% of sales), Bio-Rad sells test systems and specialized quality controls for clinical laboratories. In life sciences (40% of sales), it develops and manufactures instruments and reagents used in research, biopharmaceutical production, and food testing and has a leadership position in dPCR technology. The company is geographically diverse, with major markets in the Americas (about 40% of sales), Europe (about 30%), Asia (about 30%), and other. Bio-Rad owns approximately 33% of Sartorius, a lab and bioprocessing supplier that specializes in single-use technology used in biologics manufacturing.
- HERCULES, CA
- 7,450
- 1980
- XNYS
BIO Form 4 activity by transaction type, last 90 days
| Form 4 transaction type | Transactions | Shares | Total value |
|---|---|---|---|
| Grant or award | 9 | 50,751 | |
| Option exercise | 45 | 55,618 | |
| Tax withholding / forfeiture | 21 | 13,064 |
Dollar totals cover purchases and sales only (codes P and S). Grants, option exercises, gifts and tax withholding are counted in shares, because none of them is a trade at a market price.
BIO insider transactions (Form 4)
5446 Form 4 filings on record, the earliest from Oct 22, 2024, newest first. Filing history page 2 of 2.
| Date | Insider | Transaction | Security | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Schwartz Allison - Director | Option exercise | Bio-Rad A Common Stock | 92 | $0.00 | - | |
| Schwartz Allison - Director | Tax withholding / forfeiture | Bio-Rad A Common Stock | 33 | $295.43 | $10K | |
| Schwartz Allison - Director | Grant or award | Restricted Stock Units | 914 | $0.00 | - | |
| Schwartz Allison - Director | Option exercise | Restricted Stock Units | 92 | $0.00 | - | |
| Jonathan P. Divincenzo - Officer | Grant or award | Restricted Stock Units | 6,850 | $0.00 | - | |
 Norman D. Schwartz - Officer | Option exercise | Bio-Rad A Common Stock | 3,455 | $0.00 | - | |
| Norman D. Schwartz - Officer | Tax withholding / forfeiture | Bio-Rad A Common Stock | 1,528 | $295.43 | $451K | |
| Norman D. Schwartz - Officer | Grant or award | Restricted Stock Units | 16,439 | $0.00 | - | |
| Norman D. Schwartz - Officer | Option exercise | Restricted Stock Units | 3,455 | $0.00 | - | |
| James Barry - Officer | Option exercise | Bio-Rad A Common Stock | 602 | $0.00 | - | |
| James Barry - Officer | Tax withholding / forfeiture | Bio-Rad A Common Stock | 217 | $297.88 | $65K | |
| James Barry - Officer | Option exercise | Restricted Stock Units | 178 | $0.00 | - | |
| James Barry - Officer | Option exercise | Restricted Stock Units | 174 | $0.00 | - | |
| James Barry - Officer | Option exercise | Restricted Stock Units | 250 | $0.00 | - | |
| Colleen Corey - Officer | Option exercise | Bio-Rad A Common Stock | 1,102 | $0.00 | - | |
| Colleen Corey - Officer | Tax withholding / forfeiture | Bio-Rad A Common Stock | 398 | $297.88 | $119K | |
| Colleen Corey - Officer | Option exercise | Restricted Stock Units | 254 | $0.00 | - | |
| Colleen Corey - Officer | Option exercise | Restricted Stock Units | 347 | $0.00 | - | |
| Colleen Corey - Officer | Option exercise | Restricted Stock Units | 501 | $0.00 | - | |
| Schwartz Allison - Director | Option exercise | Bio-Rad A Common Stock | 147 | $0.00 | - | |
| Schwartz Allison - Director | Tax withholding / forfeiture | Bio-Rad A Common Stock | 55 | $297.88 | $16K | |
| Schwartz Allison - Director | Option exercise | Restricted Stock Units | 31 | $0.00 | - | |
| Schwartz Allison - Director | Option exercise | Restricted Stock Units | 42 | $0.00 | - | |
| Schwartz Allison - Director | Option exercise | Restricted Stock Units | 74 | $0.00 | - | |
| Norman D. Schwartz - Officer | Option exercise | Bio-Rad A Common Stock | 6,353 | $0.00 | - | |
| Norman D. Schwartz - Officer | Tax withholding / forfeiture | Bio-Rad A Common Stock | 3,084 | $297.88 | $919K | |
| Norman D. Schwartz - Officer | Option exercise | Restricted Stock Units | 1,266 | $0.00 | - | |
| Norman D. Schwartz - Officer | Option exercise | Restricted Stock Units | 2,082 | $0.00 | - | |
| Norman D. Schwartz - Officer | Option exercise | Restricted Stock Units | 3,005 | $0.00 | - | |
| Eva Anette Engelhardt - Officer | Option exercise | Bio-Rad A Common Stock | 245 | $0.00 | - | |
| Eva Anette Engelhardt - Officer | Tax withholding / forfeiture | Bio-Rad A Common Stock | 88 | $264.19 | $23K | |
| Eva Anette Engelhardt - Officer | Option exercise | Restricted Stock Units | 245 | $0.00 | - | |
 Roop Kalyan Lakkaraju - Officer | Option exercise | Bio-Rad A Common Stock | 1,077 | $0.00 | - | |
| Roop Kalyan Lakkaraju - Officer | Tax withholding / forfeiture | Bio-Rad A Common Stock | 386 | $249.74 | $96K | |
| Roop Kalyan Lakkaraju - Officer | Option exercise | Restricted Stock Units | 1,077 | $0.00 | - | |
 Courtney C. Enloe - Officer | Option exercise | Bio-Rad A Common Stock | 186 | $0.00 | - | |
| Courtney C. Enloe - Officer | Tax withholding / forfeiture | Bio-Rad A Common Stock | 67 | $249.74 | $17K | |
| Courtney C. Enloe - Officer | Option exercise | Restricted Stock Units | 186 | $0.00 | - | |
| Arnold A. Pinkston - Director | Option exercise | Bio-Rad A Common Stock | 308 | $0.00 | - | |
| Arnold A. Pinkston - Director | Grant or award | Restricted Stock Units | 407 | $0.00 | - | |
| Arnold A. Pinkston - Director | Option exercise | Restricted Stock Units | 308 | $0.00 | - | |
| Melinda Litherland Pei - Director | Option exercise | Bio-Rad A Common Stock | 308 | $0.00 | - | |
| Melinda Litherland Pei - Director | Grant or award | Restricted Stock Units | 407 | $0.00 | - | |
| Melinda Litherland Pei - Director | Option exercise | Restricted Stock Units | 308 | $0.00 | - | |
| Gregory K. Hinckley - Director | Option exercise | Bio-Rad A Common Stock | 308 | $0.00 | - | |
| Gregory K. Hinckley - Director | Grant or award | Restricted Stock Units | 407 | $0.00 | - | |
| Gregory K. Hinckley - Director | Option exercise | Restricted Stock Units | 308 | $0.00 | - | |
| Jeffrey L. Edwards - Director | Option exercise | Bio-Rad A Common Stock | 308 | $0.00 | - | |
| Jeffrey L. Edwards - Director | Grant or award | Restricted Stock Units | 407 | $0.00 | - | |
| Jeffrey L. Edwards - Director | Option exercise | Restricted Stock Units | 308 | $0.00 | - | |
| Jonathan P. Divincenzo - Officer | Grant or award | Restricted Stock Units | 7,478 | $0.00 | - | |
 Sedat Evran - Officer | Option exercise | Bio-Rad A Common Stock | 1,044 | $0.00 | - | |
| Sedat Evran - Officer | Tax withholding / forfeiture | Bio-Rad A Common Stock | 335 | $346.37 | $116K | |
| Sedat Evran - Officer | Option exercise | Restricted Stock Units | 1,044 | $0.00 | - |
Recent BIO Form 144 notices of proposed sale
2An insider files Form 144 before selling restricted or control stock. It announces a planned sale. If the sale goes ahead, it shows up later on a Form 4.
| Filed | Filer | Relationship | Shares | Market value | Notice |
|---|---|---|---|---|---|
| - | - | - | - | View on EDGAR | |
| - | - | - | - |
BIO insider trading FAQ
What is the latest insider trade for BIO?
BIO-RAD LABORATORIES, INC. (BIO) had 13 insider filings in the last 90 days, with the most recent on 2026-09-09. The full record for BIO runs to 46 Form 4 filings, the earliest from 2024-10-22. InsiderAlpha adds new Form 4, Form 144 and 8-K filings as they arrive from SEC EDGAR.
How many insiders are buying BIO stock?
No insider purchases of BIO were filed in the last 90 days.
How many insiders are selling BIO stock?
No insider sales of BIO were filed in the last 90 days. 2 sales are on record for this company.
Where can I see BIO SEC filings (Form 4, 10-K, 10-Q, 8-K)?
This page collects BIO Form 4 insider transactions, Form 144 sale notices and 8-K filings in one place. Annual 10-K and quarterly 10-Q reports live on the company's SEC EDGAR page.
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Recent insider filings
10The EDGAR links open each original Form 4, so you can check any number on this page against the filing it came from.
- - Schwartz Allison view on EDGAR
- - James Barry view on EDGAR
- - Sedat Evran view on EDGAR
- - Eva Anette Engelhardt view on EDGAR
- - Jonathan P. Divincenzo view on EDGAR
- - Courtney C. Enloe view on EDGAR
- - Rajat Mehta view on EDGAR
- - Roop Kalyan Lakkaraju view on EDGAR
- - Norman D. Schwartz view on EDGAR
Related companies with recent insider activity
Learn more
- What the Form 4 transaction codes mean
- Grants, option exercises, gifts and tax withholding are not trades on the market. The codes say which is which.
- Form 144 vs Form 4
- A Form 144 announces a planned sale; the Form 4 reports it after it happens.
- Insider activity in Health Care
- Where BIO's peers are being bought and sold.
- Every recent Form 4
- The market-wide feed, updated as filings arrive from SEC EDGAR.
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- Every BIO Form 4 filing on record
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