Form 4 Tracker
BIO-RAD LABORATORIES, INC.
BIO BIO.B

20 insider filings · Latest: Sep 4, 2026

Common Stock Transactions
Txn DateAcceptedInsiderTypeSharesAvg PriceValueShares OwnedFiling
May 28, 2026May 28 7:04 PMAlles Institute for Medical Research Corp
Proposed Sale
700$313.28$219.3K—

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May 11, 2026May 13 7:38 PMEva Anette EngelhardtEVP, President, CDG
Sale
550$246.54$135.6K346(D)

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May 11, 2026May 11 9:03 PMEVA ENGELHARDT
Proposed Sale
550$246.54$135.6K—

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Dec 2, 2025Dec 2 11:27 PMMICHAEL W CROWLEY
Proposed Sale
776$319.56$248.0K—

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Nov 18, 2025Nov 18 6:03 PMAlles Institute for Medical Research Corp
Proposed Sale
760$301.04$228.8K—

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Nov 6, 2025Nov 6 9:24 PMJAMES BARRY
Proposed Sale
701$306.18$214.6K—

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Aug 5, 2025Aug 5 8:47 PMMICHAEL W CROWLEY
Proposed Sale
1,488$275.92$410.6K—

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Mar 13, 2025Mar 13 9:17 PMCrowley Michael
Proposed Sale
3,000$260.00$780.0K—

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Mar 11, 2025Mar 11 4:36 PMAlles Institute for Medical Research Corp
Proposed Sale
410$247.66$101.5K—

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Nov 6, 2024Nov 6 11:26 PMLast Andrew J.
Proposed Sale
3,000$373.64$1.1M—

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Sep 12, 2024Sep 12 10:22 PMLast Andrew J.
Proposed Sale
1,600$321.57$514.5K—

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Sep 6, 2024Sep 6 8:16 PMLast Andrew J.
Proposed Sale
3,000$329.94$989.8K—

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Sep 4, 2024Sep 4 10:24 PMBARRY JAMES
Proposed Sale
623$330.49$205.9K—

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Aug 27, 2024Aug 27 4:45 PMAlles Institute for Medical Research Corp
Proposed Sale
990$311.34$308.2K—

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Stock Options & Derivatives
Txn DateAcceptedInsiderTypeSharesExercise PriceShares OwnedFiling
Sep 6, 2026Sep 9 10:47 PMSchwartz AllisonDirector
Option Exercise
92—185(D)

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Sep 5, 2026Sep 9 10:47 PMSchwartz AllisonDirector
Option Exercise
228—686(D)

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Sep 4, 2026Sep 9 10:47 PMSchwartz AllisonDirector
Grant/Award
719—719(D)

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Sep 6, 2026Sep 9 10:46 PMJames BarryEVP, President, LSG
Option Exercise
1,056—2,112(D)

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Sep 5, 2026Sep 9 10:46 PMJames BarryEVP, President, LSG
Option Exercise
1,027—3,083(D)

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Sep 4, 2026Sep 9 10:46 PMJames BarryEVP, President, LSG
Grant/Award
4,313—4,313(D)

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Sep 6, 2026Sep 9 10:46 PMSedat EvranEVP, Global Supply Chain
Option Exercise
864—1,728(D)

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Sep 5, 2026Sep 9 10:46 PMSedat EvranEVP, Global Supply Chain
Option Exercise
1,027—3,083(D)

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Sep 4, 2026Sep 9 10:46 PMSedat EvranEVP, Global Supply Chain
Grant/Award
4,026—4,026(D)

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Sep 6, 2026Sep 9 10:45 PMEva Anette EngelhardtEVP, President, CDG
Option Exercise
1,152—2,304(D)

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Sep 5, 2026Sep 9 10:45 PMEva Anette EngelhardtEVP, President, CDG
Option Exercise
1,027—3,083(D)

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Sep 4, 2026Sep 9 10:45 PMEva Anette EngelhardtEVP, President, CDG
Grant/Award
4,313—4,313(D)

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Sep 5, 2026Sep 9 10:45 PMJonathan P. DivincenzoPresident & COO
Option Exercise
1,712—5,138(D)

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Sep 4, 2026Sep 9 10:45 PMJonathan P. DivincenzoPresident & COO
Grant/Award
6,326—6,326(D)

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Sep 6, 2026Sep 9 10:45 PMCourtney C EnloeEVP, General Counsel & Sec
Option Exercise
768—1,536(D)

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Sep 5, 2026Sep 9 10:45 PMCourtney C EnloeEVP, General Counsel & Sec
Option Exercise
685—2,055(D)

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Sep 4, 2026Sep 9 10:45 PMCourtney C EnloeEVP, General Counsel & Sec
Grant/Award
2,876—2,876(D)

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Sep 5, 2026Sep 9 10:44 PMRajat MehtaEVP, GBL Commercial Operations
Option Exercise
1,826—4,110(D)

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Sep 4, 2026Sep 9 10:44 PMRajat MehtaEVP, GBL Commercial Operations
Grant/Award
4,601—4,601(D)

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Sep 6, 2026Sep 9 10:42 PMRoop Kalyan LakkarajuEVP, Chief Financial Officer
Option Exercise
1,536—3,072(D)

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