Bio-Rad Laboratories (BIO) — insider trading
Health Care · NYSE
Bio-Rad Laboratories (BIO) has 109 reported SEC Form 4 insider transactions in our data, including 2 open-market sales among the most recent 100 (latest 2026-09-06).
Recent Form 4 transactions
Showing the 100 most recent of 109 recorded transactions. See all on SEC EDGAR →
| Date | Insider | Role | Type | Shares | Price | Value | Filing |
|---|---|---|---|---|---|---|---|
| 2026-09-06 | ENGELHARDT EVA ANETTE | Officer (EVP, President, CDG) | Option exercise / conversion (derivative) | 1,152 | — | $0 | Form 4 |
| 2026-09-06 | ENGELHARDT EVA ANETTE | Officer (EVP, President, CDG) | Shares withheld for taxes / exercise cost | 485 | $386.11 | $187.3K | Form 4 |
| 2026-09-06 | ENGELHARDT EVA ANETTE | Officer (EVP, President, CDG) | Option exercise / conversion | 1,152 | — | $0 | Form 4 |
| 2026-09-06 | ENLOE COURTNEY C | Officer (EVP, General Counsel & Sec) | Option exercise / conversion (derivative) | 768 | — | $0 | Form 4 |
| 2026-09-06 | ENLOE COURTNEY C | Officer (EVP, General Counsel & Sec) | Shares withheld for taxes / exercise cost | 305 | $386.11 | $117.8K | Form 4 |
| 2026-09-06 | ENLOE COURTNEY C | Officer (EVP, General Counsel & Sec) | Option exercise / conversion | 768 | — | $0 | Form 4 |
| 2026-09-06 | EVRAN SEDAT | Officer (EVP, Global Supply Chain) | Option exercise / conversion (derivative) | 864 | — | $0 | Form 4 |
| 2026-09-06 | EVRAN SEDAT | Officer (EVP, Global Supply Chain) | Shares withheld for taxes / exercise cost | 277 | $386.11 | $107.0K | Form 4 |
| 2026-09-06 | EVRAN SEDAT | Officer (EVP, Global Supply Chain) | Option exercise / conversion | 864 | — | $0 | Form 4 |
| 2026-09-06 | Lakkaraju Roop Kalyan | Officer (EVP, Chief Financial Officer) | Option exercise / conversion (derivative) | 1,536 | — | $0 | Form 4 |
| 2026-09-06 | Lakkaraju Roop Kalyan | Officer (EVP, Chief Financial Officer) | Shares withheld for taxes / exercise cost | 782 | $386.11 | $301.9K | Form 4 |
| 2026-09-06 | Lakkaraju Roop Kalyan | Officer (EVP, Chief Financial Officer) | Option exercise / conversion | 1,536 | — | $0 | Form 4 |
| 2026-09-06 | SCHWARTZ NORMAN D | Director, Officer (Chairman & CEO), 10% owner | Option exercise / conversion (derivative) | 3,455 | — | $0 | Form 4 |
| 2026-09-06 | SCHWARTZ NORMAN D | Director, Officer (Chairman & CEO), 10% owner | Shares withheld for taxes / exercise cost | 1,854 | $386.11 | $715.8K | Form 4 |
| 2026-09-06 | SCHWARTZ NORMAN D | Director, Officer (Chairman & CEO), 10% owner | Option exercise / conversion | 3,455 | — | $0 | Form 4 |
| 2026-09-06 | BARRY JAMES | Officer (EVP, President, LSG) | Option exercise / conversion (derivative) | 1,056 | — | $0 | Form 4 |
| 2026-09-06 | BARRY JAMES | Officer (EVP, President, LSG) | Shares withheld for taxes / exercise cost | 470 | $386.11 | $181.5K | Form 4 |
| 2026-09-06 | BARRY JAMES | Officer (EVP, President, LSG) | Option exercise / conversion | 1,056 | — | $0 | Form 4 |
| 2026-09-06 | Allison Schwartz | Director | Option exercise / conversion (derivative) | 92 | — | $0 | Form 4 |
| 2026-09-06 | Allison Schwartz | Director | Shares withheld for taxes / exercise cost | 34 | $386.11 | $13.1K | Form 4 |
| 2026-09-06 | Allison Schwartz | Director | Option exercise / conversion | 92 | — | $0 | Form 4 |
| 2026-09-05 | Mehta Rajat | Officer (EVP, GBL Commercial Operations) | Option exercise / conversion (derivative) | 1,370 | — | $0 | Form 4 |
| 2026-09-05 | Mehta Rajat | Officer (EVP, GBL Commercial Operations) | Option exercise / conversion (derivative) | 456 | — | $0 | Form 4 |
| 2026-09-05 | Mehta Rajat | Officer (EVP, GBL Commercial Operations) | Shares withheld for taxes / exercise cost | 504 | $386.11 | $194.6K | Form 4 |
| 2026-09-05 | Mehta Rajat | Officer (EVP, GBL Commercial Operations) | Option exercise / conversion | 1,370 | — | $0 | Form 4 |
| 2026-09-05 | Mehta Rajat | Officer (EVP, GBL Commercial Operations) | Shares withheld for taxes / exercise cost | 233 | $386.11 | $90.0K | Form 4 |
| 2026-09-05 | Mehta Rajat | Officer (EVP, GBL Commercial Operations) | Option exercise / conversion | 456 | — | $0 | Form 4 |
| 2026-09-05 | ENGELHARDT EVA ANETTE | Officer (EVP, President, CDG) | Option exercise / conversion (derivative) | 1,027 | — | $0 | Form 4 |
| 2026-09-05 | ENGELHARDT EVA ANETTE | Officer (EVP, President, CDG) | Shares withheld for taxes / exercise cost | 369 | $386.11 | $142.5K | Form 4 |
| 2026-09-05 | ENGELHARDT EVA ANETTE | Officer (EVP, President, CDG) | Option exercise / conversion | 1,027 | — | $0 | Form 4 |
| 2026-09-05 | ENLOE COURTNEY C | Officer (EVP, General Counsel & Sec) | Option exercise / conversion (derivative) | 685 | — | $0 | Form 4 |
| 2026-09-05 | ENLOE COURTNEY C | Officer (EVP, General Counsel & Sec) | Shares withheld for taxes / exercise cost | 246 | $386.11 | $95.0K | Form 4 |
| 2026-09-05 | ENLOE COURTNEY C | Officer (EVP, General Counsel & Sec) | Option exercise / conversion | 685 | — | $0 | Form 4 |
| 2026-09-05 | EVRAN SEDAT | Officer (EVP, Global Supply Chain) | Option exercise / conversion (derivative) | 1,027 | — | $0 | Form 4 |
| 2026-09-05 | EVRAN SEDAT | Officer (EVP, Global Supply Chain) | Shares withheld for taxes / exercise cost | 329 | $386.11 | $127.0K | Form 4 |
| 2026-09-05 | EVRAN SEDAT | Officer (EVP, Global Supply Chain) | Option exercise / conversion | 1,027 | — | $0 | Form 4 |
| 2026-09-05 | DiVincenzo Jonathan P. | Officer (President & COO) | Option exercise / conversion (derivative) | 1,712 | — | $0 | Form 4 |
| 2026-09-05 | DiVincenzo Jonathan P. | Officer (President & COO) | Shares withheld for taxes / exercise cost | 668 | $386.11 | $257.9K | Form 4 |
| 2026-09-05 | DiVincenzo Jonathan P. | Officer (President & COO) | Option exercise / conversion | 1,712 | — | $0 | Form 4 |
| 2026-09-05 | Lakkaraju Roop Kalyan | Officer (EVP, Chief Financial Officer) | Option exercise / conversion (derivative) | 1,370 | — | $0 | Form 4 |
| 2026-09-05 | Lakkaraju Roop Kalyan | Officer (EVP, Chief Financial Officer) | Shares withheld for taxes / exercise cost | 559 | $386.11 | $215.8K | Form 4 |
| 2026-09-05 | Lakkaraju Roop Kalyan | Officer (EVP, Chief Financial Officer) | Option exercise / conversion | 1,370 | — | $0 | Form 4 |
| 2026-09-05 | SCHWARTZ NORMAN D | Director, Officer (Chairman & CEO), 10% owner | Option exercise / conversion (derivative) | 4,109 | — | $0 | Form 4 |
| 2026-09-05 | SCHWARTZ NORMAN D | Director, Officer (Chairman & CEO), 10% owner | Shares withheld for taxes / exercise cost | 2,876 | $386.11 | $1.11M | Form 4 |
| 2026-09-05 | SCHWARTZ NORMAN D | Director, Officer (Chairman & CEO), 10% owner | Option exercise / conversion | 4,109 | — | $0 | Form 4 |
| 2026-09-05 | BARRY JAMES | Officer (EVP, President, LSG) | Option exercise / conversion (derivative) | 1,027 | — | $0 | Form 4 |
| 2026-09-05 | BARRY JAMES | Officer (EVP, President, LSG) | Shares withheld for taxes / exercise cost | 369 | $386.11 | $142.5K | Form 4 |
| 2026-09-05 | BARRY JAMES | Officer (EVP, President, LSG) | Option exercise / conversion | 1,027 | — | $0 | Form 4 |
| 2026-09-05 | Allison Schwartz | Director | Option exercise / conversion (derivative) | 228 | — | $0 | Form 4 |
| 2026-09-05 | Allison Schwartz | Director | Shares withheld for taxes / exercise cost | 82 | $386.11 | $31.7K | Form 4 |
| 2026-09-05 | Allison Schwartz | Director | Option exercise / conversion | 228 | — | $0 | Form 4 |
| 2026-09-04 | Mehta Rajat | Officer (EVP, GBL Commercial Operations) | Grant / award / vesting (derivative) | 4,601 | — | $0 | Form 4 |
| 2026-09-04 | ENGELHARDT EVA ANETTE | Officer (EVP, President, CDG) | Grant / award / vesting (derivative) | 4,313 | — | $0 | Form 4 |
| 2026-09-04 | ENLOE COURTNEY C | Officer (EVP, General Counsel & Sec) | Grant / award / vesting (derivative) | 2,876 | — | $0 | Form 4 |
| 2026-09-04 | EVRAN SEDAT | Officer (EVP, Global Supply Chain) | Grant / award / vesting (derivative) | 4,026 | — | $0 | Form 4 |
| 2026-09-04 | DiVincenzo Jonathan P. | Officer (President & COO) | Grant / award / vesting (derivative) | 6,326 | — | $0 | Form 4 |
| 2026-09-04 | Lakkaraju Roop Kalyan | Officer (EVP, Chief Financial Officer) | Grant / award / vesting (derivative) | 6,326 | — | $0 | Form 4 |
| 2026-09-04 | SCHWARTZ NORMAN D | Director, Officer (Chairman & CEO), 10% owner | Grant / award / vesting (derivative) | 17,251 | — | $0 | Form 4 |
| 2026-09-04 | BARRY JAMES | Officer (EVP, President, LSG) | Grant / award / vesting (derivative) | 4,313 | — | $0 | Form 4 |
| 2026-09-04 | Allison Schwartz | Director | Grant / award / vesting (derivative) | 719 | — | $0 | Form 4 |
| 2026-09-01 | SCHWARTZ NORMAN D | Director, Officer (Chairman & CEO), 10% owner | Option exercise / conversion (derivative) | 3,005 | — | $0 | Form 4 |
| 2026-09-01 | SCHWARTZ NORMAN D | Director, Officer (Chairman & CEO), 10% owner | Option exercise / conversion (derivative) | 2,082 | — | $0 | Form 4 |
| 2026-09-01 | SCHWARTZ NORMAN D | Director, Officer (Chairman & CEO), 10% owner | Shares withheld for taxes / exercise cost | 2,336 | $380.96 | $889.9K | Form 4 |
| 2026-09-01 | SCHWARTZ NORMAN D | Director, Officer (Chairman & CEO), 10% owner | Option exercise / conversion | 5,087 | — | $0 | Form 4 |
| 2026-09-01 | BARRY JAMES | Officer (EVP, President, LSG) | Option exercise / conversion (derivative) | 251 | — | $0 | Form 4 |
| 2026-09-01 | BARRY JAMES | Officer (EVP, President, LSG) | Option exercise / conversion (derivative) | 174 | — | $0 | Form 4 |
| 2026-09-01 | BARRY JAMES | Officer (EVP, President, LSG) | Shares withheld for taxes / exercise cost | 154 | $380.96 | $58.7K | Form 4 |
| 2026-09-01 | BARRY JAMES | Officer (EVP, President, LSG) | Option exercise / conversion | 425 | — | $0 | Form 4 |
| 2026-09-01 | Allison Schwartz | Director | Option exercise / conversion (derivative) | 75 | — | $0 | Form 4 |
| 2026-09-01 | Allison Schwartz | Director | Option exercise / conversion (derivative) | 42 | — | $0 | Form 4 |
| 2026-09-01 | Allison Schwartz | Director | Shares withheld for taxes / exercise cost | 43 | $380.96 | $16.4K | Form 4 |
| 2026-09-01 | Allison Schwartz | Director | Option exercise / conversion | 117 | — | $0 | Form 4 |
| 2026-07-25 | ENGELHARDT EVA ANETTE | Officer (EVP, President, CDG) | Option exercise / conversion (derivative) | 246 | — | $0 | Form 4 |
| 2026-07-25 | ENGELHARDT EVA ANETTE | Officer (EVP, President, CDG) | Shares withheld for taxes / exercise cost | 89 | $314.46 | $28.0K | Form 4 |
| 2026-07-25 | ENGELHARDT EVA ANETTE | Officer (EVP, President, CDG) | Option exercise / conversion | 246 | — | $0 | Form 4 |
| 2026-05-11 | ENGELHARDT EVA ANETTE | Officer (EVP, President, CDG) | Open-market sale | 550 | $246.54 | $135.6K | Form 4 |
| 2026-04-24 | ENLOE COURTNEY C | Officer (EVP, General Counsel & Sec) | Option exercise / conversion (derivative) | 186 | — | $0 | Form 4 |
| 2026-04-24 | ENLOE COURTNEY C | Officer (EVP, General Counsel & Sec) | Shares withheld for taxes / exercise cost | 77 | $287.84 | $22.2K | Form 4 |
| 2026-04-24 | ENLOE COURTNEY C | Officer (EVP, General Counsel & Sec) | Option exercise / conversion | 186 | — | $0 | Form 4 |
| 2026-04-24 | Lakkaraju Roop Kalyan | Officer (EVP, Chief Financial Officer) | Option exercise / conversion (derivative) | 1,078 | — | $0 | Form 4 |
| 2026-04-24 | Lakkaraju Roop Kalyan | Officer (EVP, Chief Financial Officer) | Shares withheld for taxes / exercise cost | 420 | $287.84 | $120.9K | Form 4 |
| 2026-04-24 | Lakkaraju Roop Kalyan | Officer (EVP, Chief Financial Officer) | Option exercise / conversion | 1,078 | — | $0 | Form 4 |
| 2026-04-21 | PINKSTON ARNOLD A | Director | Option exercise / conversion (derivative) | 407 | — | $0 | Form 4 |
| 2026-04-21 | PINKSTON ARNOLD A | Director | Grant / award / vesting (derivative) | 369 | — | $0 | Form 4 |
| 2026-04-21 | PINKSTON ARNOLD A | Director | Option exercise / conversion | 407 | — | $0 | Form 4 |
| 2026-04-21 | EDWARDS JEFFREY L | Director | Option exercise / conversion (derivative) | 407 | — | $0 | Form 4 |
| 2026-04-21 | EDWARDS JEFFREY L | Director | Grant / award / vesting (derivative) | 369 | — | $0 | Form 4 |
| 2026-04-21 | EDWARDS JEFFREY L | Director | Option exercise / conversion | 407 | — | $0 | Form 4 |
| 2026-04-21 | PEI MELINDA LITHERLAND | Director | Option exercise / conversion (derivative) | 407 | — | $0 | Form 4 |
| 2026-04-21 | PEI MELINDA LITHERLAND | Director | Grant / award / vesting (derivative) | 369 | — | $0 | Form 4 |
| 2026-04-21 | PEI MELINDA LITHERLAND | Director | Option exercise / conversion | 407 | — | $0 | Form 4 |
| 2026-04-21 | Hinckley Greg K | Director | Option exercise / conversion (derivative) | 407 | — | $0 | Form 4 |
| 2026-04-21 | Hinckley Greg K | Director | Grant / award / vesting (derivative) | 369 | — | $0 | Form 4 |
| 2026-04-21 | Hinckley Greg K | Director | Option exercise / conversion | 407 | — | $0 | Form 4 |
| 2025-11-06 | BARRY JAMES | Officer (EVP, President, LSG) | Open-market sale | 700 | $306.18 | $214.3K | Form 4 |
| 2025-10-24 | DiVincenzo Jonathan P. | Officer (President & COO) | Option exercise / conversion (derivative) | 1,869 | — | $0 | Form 4 |
| 2025-10-24 | DiVincenzo Jonathan P. | Officer (President & COO) | Shares withheld for taxes / exercise cost | 950 | $339.75 | $322.8K | Form 4 |
| 2025-10-24 | DiVincenzo Jonathan P. | Officer (President & COO) | Option exercise / conversion | 1,869 | — | $0 | Form 4 |
| 2025-10-20 | EVRAN SEDAT | Officer (EVP, Global Supply Chain) | Option exercise / conversion (derivative) | 1,044 | — | $0 | Form 4 |
| 2025-10-20 | EVRAN SEDAT | Officer (EVP, Global Supply Chain) | Shares withheld for taxes / exercise cost | 335 | $321.90 | $107.8K | Form 4 |
Ask the chat about BIO's insider activity →
Transaction types are the SEC Form 4 codes: open-market purchases (P) and sales (S) are the only rows that reflect open-market conviction. Awards/vesting (A), option exercises (M/X/C), shares withheld for taxes (F) and gifts (G) are compensation or mechanical, not buying or selling on the open market. Sales may be planned and non-discretionary (e.g. a Rule 10b5-1 plan); open-market buying is not a recommendation to buy. Informational only — not financial advice.
Source: SEC EDGAR Form 3/4/5. See the full company profile: Bio-Rad Laboratories (BIO).
Last updated 2026-09-06 (most recent filing date).
Informational only — NOT financial advice. Insider filings are sourced from SEC EDGAR and shown with their reported dates.