BIO-RAD LABORATORIES, INC. (BIO)
$387.70-$2.24 (-0.57%) Today
Latest BIO Insider Trades
Eva Anette Engelhardt - OfficerOpen-market sale$136K
Eva Anette Engelhardt - OfficerEva Anette Engelhardt - OfficerEva Anette Engelhardt - OfficerEva Anette Engelhardt - Officer
Roop Kalyan Lakkaraju - OfficerRoop Kalyan Lakkaraju - OfficerRoop Kalyan Lakkaraju - OfficerBio-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.
| Form 4 transaction type | Transactions | Shares | Total value |
|---|---|---|---|
| Option exercise | 2 | 492 | |
| Tax withholding / forfeiture | 1 | 89 |
Dollar totals are shown for open-market purchases and sales only. Grants, option exercises, gifts and tax withholding are reported by share count because they are not trades at a market price.
34 Form 4 filings on record, the earliest from Oct 22, 2024, newest first. Filing history page 1 of 2.
| Date | Insider | Transaction | Security | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Eva Anette Engelhardt - Officer | Tax withholding / forfeiture | Bio-Rad A Common Stock | 89 | $314.46 | $28K | |
| Eva Anette Engelhardt - Officer | Option exercise | Bio-Rad A Common Stock | 246 | $0.00 | - | |
| Eva Anette Engelhardt - Officer | Option exercise | Restricted Stock Units | 246 | $0.00 | - | |
| Eva Anette Engelhardt - Officer | Open-market sale | Bio-Rad A Common Stock | 550 | $246.54 | $136K | |
| Roop Kalyan Lakkaraju - Officer | Tax withholding / forfeiture | Bio-Rad A Common Stock | 420 | $287.84 | $121K | |
| Roop Kalyan Lakkaraju - Officer | Option exercise | Bio-Rad A Common Stock | 1,078 | $0.00 | - | |
| Roop Kalyan Lakkaraju - Officer | Option exercise | Restricted Stock Units | 1,078 | $0.00 | - | |
 Courtney C. Enloe - Officer | Tax withholding / forfeiture | Bio-Rad A Common Stock | 77 | $287.84 | $22K | |
| Courtney C. Enloe - Officer | Option exercise | Bio-Rad A Common Stock | 186 | $0.00 | - | |
| Courtney C. Enloe - Officer | Option exercise | Restricted Stock Units | 186 | $0.00 | - | |
| Gregory K. Hinckley - Director | Option exercise | Bio-Rad A Common Stock | 407 | $0.00 | - | |
| Gregory K. Hinckley - Director | Grant or award | Restricted Stock Units | 369 | $0.00 | - | |
| Gregory K. Hinckley - Director | Option exercise | Restricted Stock Units | 407 | $0.00 | - | |
| Melinda Litherland Pei - Director | Option exercise | Bio-Rad A Common Stock | 407 | $0.00 | - | |
| Melinda Litherland Pei - Director | Grant or award | Restricted Stock Units | 369 | $0.00 | - | |
| Melinda Litherland Pei - Director | Option exercise | Restricted Stock Units | 407 | $0.00 | - | |
| Jeffrey L. Edwards - Director | Option exercise | Bio-Rad A Common Stock | 407 | $0.00 | - | |
| Jeffrey L. Edwards - Director | Grant or award | Restricted Stock Units | 369 | $0.00 | - | |
| Jeffrey L. Edwards - Director | Option exercise | Restricted Stock Units | 407 | $0.00 | - | |
| Arnold A. Pinkston - Director | Option exercise | Bio-Rad A Common Stock | 407 | $0.00 | - | |
| Arnold A. Pinkston - Director | Grant or award | Restricted Stock Units | 369 | $0.00 | - | |
| Arnold A. Pinkston - Director | Option exercise | Restricted Stock Units | 407 | $0.00 | - | |
| James Barry - Officer | Open-market sale | Bio-Rad A Common Stock | 699.87 | $306.18 | $214K | |
| Jonathan P. Divincenzo - Officer | Tax withholding / forfeiture | Bio-Rad A Common Stock | 950 | $339.75 | $323K | |
| Jonathan P. Divincenzo - Officer | Option exercise | Bio-Rad A Common Stock | 1,869 | $0.00 | - | |
| Jonathan P. Divincenzo - Officer | Option exercise | Restricted Stock Units | 1,869 | $0.00 | - | |
 Sedat Evran - Officer | Option exercise | Restricted Stock Units | 1,044 | $0.00 | - | |
| Sedat Evran - Officer | Tax withholding / forfeiture | Bio-Rad A Common Stock | 335 | $321.90 | $108K | |
| Sedat Evran - Officer | Option exercise | Bio-Rad A Common Stock | 1,044 | $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 | - | |
| Rajat Mehta - Officer | Grant or award | Restricted Stock Units | 1,827 | $0.00 | - | |
| Rajat Mehta - Officer | Grant or award | Restricted Stock Units | 5,480 | $0.00 | - | |
| Jonathan P. Divincenzo - Officer | Grant or award | Restricted Stock Units | 6,850 | $0.00 | - | |
| Courtney C. Enloe - Officer | Option exercise | Bio-Rad A Common Stock | 768 | $0.00 | - | |
| Courtney C. Enloe - Officer | Tax withholding / forfeiture | Bio-Rad A Common Stock | 275 | $295.43 | $81K | |
| Courtney C. Enloe - Officer | Grant or award | Restricted Stock Units | 2,740 | $0.00 | - | |
| Courtney C. Enloe - Officer | Option exercise | Restricted Stock Units | 768 | $0.00 | - | |
| 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 | - | |
| Eva Anette Engelhardt - Officer | Option exercise | Bio-Rad A Common Stock | 1,152 | $0.00 | - | |
| Eva Anette Engelhardt - Officer | Tax withholding / forfeiture | Bio-Rad A Common Stock | 413 | $295.43 | $122K | |
| Eva Anette Engelhardt - Officer | Grant or award | Restricted Stock Units | 4,110 | $0.00 | - | |
| Eva Anette Engelhardt - Officer | Option exercise | Restricted Stock Units | 1,152 | $0.00 | - | |
| James Barry - Officer | Option exercise | Bio-Rad A Common Stock | 1,056 | $0.00 | - | |
| James Barry - Officer | Tax withholding / forfeiture | Bio-Rad A Common Stock | 378 | $295.43 | $112K | |
| James Barry - Officer | Grant or award | Restricted Stock Units | 4,110 | $0.00 | - | |
| James Barry - Officer | Option exercise | Restricted Stock Units | 1,056 | $0.00 | - | |
| Sedat Evran - Officer | Option exercise | Bio-Rad A Common Stock | 864 | $0.00 | - | |
| Sedat Evran - Officer | Tax withholding / forfeiture | Bio-Rad A Common Stock | 277 | $295.43 | $82K | |
| Sedat Evran - Officer | Grant or award | Restricted Stock Units | 4,110 | $0.00 | - | |
| Sedat Evran - Officer | Option exercise | Restricted Stock Units | 864 | $0.00 | - | |
| Colleen Corey - Officer | Option exercise | Bio-Rad A Common Stock | 576 | $0.00 | - | |
| Colleen Corey - Officer | Tax withholding / forfeiture | Bio-Rad A Common Stock | 209 | $295.43 | $62K | |
| Colleen Corey - Officer | Grant or award | Restricted Stock Units | 2,740 | $0.00 | - | |
| Colleen Corey - Officer | Option exercise | Restricted Stock Units | 576 | $0.00 | - | |
| Roop Kalyan Lakkaraju - Officer | Option exercise | Bio-Rad A Common Stock | 1,535 | $0.00 | - | |
| Roop Kalyan Lakkaraju - Officer | Tax withholding / forfeiture | Bio-Rad A Common Stock | 550 | $295.43 | $162K | |
| Roop Kalyan Lakkaraju - Officer | Grant or award | Restricted Stock Units | 5,480 | $0.00 | - | |
| Roop Kalyan Lakkaraju - Officer | Option exercise | Restricted Stock Units | 1,535 | $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 | - | |
| 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 | - | |
| 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 | - |
A Form 144 is notice of an INTENDED sale, not a completed one. It often precedes the Form 4 that reports the trade actually happening.
| Filed | Filer | Relationship | Shares | Market value | Notice |
|---|---|---|---|---|---|
| - | - | - | - | View on EDGAR | |
| - | - | - | - | View on EDGAR |
BIO-RAD LABORATORIES, INC. (BIO) had 1 insider filing in the last 90 days, with the most recent on 2026-07-28. The full record for BIO runs to 34 Form 4 filings, the earliest from 2024-10-22. InsiderAlpha tracks every Form 4, Form 144, and 8-K filing in real time.
No insider purchases of BIO were filed in the last 90 days.
No insider sales of BIO were filed in the last 90 days. 2 sales are on record for this company.
This page tracks BIO Form 4 insider transactions, Form 144 sale notices, and 8-K material event disclosures in one timeline. Annual 10-K and quarterly 10-Q reports live on the company's SEC EDGAR page.
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Every Form 4 below links to the original document on SEC EDGAR, so the numbers on this page can be checked against the filing they came from.
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