SEC Insider Transactions from ERNST TIMOTHY S.

Last updated: 2026-03-14 11:19 UTC | Total transactions: 32

ERNST TIMOTHY S has filed 32 insider transactions across 1 company since March 2023.

Most recent transaction: a grant/award of 2357 shares of BIO-RAD LABORATORIES, INC. ($BIO) on March 08, 2024.

Activity breakdown: 0 open-market purchases and 7 sales.

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Transaction Date Company Ticker Insider Name Title Transaction Type Security Shares Price Shares Owned Following Total Shares Outstanding % of Owned % of Outstanding
March 8, 2024 BIO-RAD LABORATORIES, INC. $BIO ERNST TIMOTHY S EVP, General Counsel & Sec A Non-Qualified Stock Option (right to buy) 2357 $0.00 2,357.0000 29,209,000 9999.99% 0.01%
Feb. 28, 2024 BIO-RAD LABORATORIES, INC. $BIO ERNST TIMOTHY S EVP, General Counsel & Sec M Bio-Rad A Common Stock 2500 $326.15 5,897.4775 29,209,000 73.58% 0.01%
Feb. 28, 2024 BIO-RAD LABORATORIES, INC. $BIO ERNST TIMOTHY S EVP, General Counsel & Sec S Bio-Rad A Common Stock 2500 $330.55 3,397.4775 29,209,000 42.39% 0.01%
Feb. 28, 2024 BIO-RAD LABORATORIES, INC. $BIO ERNST TIMOTHY S EVP, General Counsel & Sec M Non-Qualified Stock Option (right to buy) 2500 $0.00 0.0000 29,209,000 100.00% 0.01%
Sept. 1, 2023 BIO-RAD LABORATORIES, INC. $BIO ERNST TIMOTHY S EVP, General Counsel & Sec M Bio-Rad A Common Stock 347 $0.00 2,762.7965 29,785,000 14.36% 0.00%
Sept. 1, 2023 BIO-RAD LABORATORIES, INC. $BIO ERNST TIMOTHY S EVP, General Counsel & Sec F Bio-Rad A Common Stock 173 $394.60 2,589.7965 29,785,000 6.26% 0.00%
Sept. 1, 2023 BIO-RAD LABORATORIES, INC. $BIO ERNST TIMOTHY S EVP, General Counsel & Sec M Bio-Rad A Common Stock 253 $0.00 2,842.7965 29,785,000 9.77% 0.00%
Sept. 1, 2023 BIO-RAD LABORATORIES, INC. $BIO ERNST TIMOTHY S EVP, General Counsel & Sec F Bio-Rad A Common Stock 126 $394.60 2,716.7965 29,785,000 4.43% 0.00%
Sept. 2, 2023 BIO-RAD LABORATORIES, INC. $BIO ERNST TIMOTHY S EVP, General Counsel & Sec M Bio-Rad A Common Stock 361 $0.00 3,077.7965 29,785,000 13.29% 0.00%
Sept. 2, 2023 BIO-RAD LABORATORIES, INC. $BIO ERNST TIMOTHY S EVP, General Counsel & Sec F Bio-Rad A Common Stock 179 $394.60 2,898.7965 29,785,000 5.82% 0.00%
Sept. 3, 2023 BIO-RAD LABORATORIES, INC. $BIO ERNST TIMOTHY S EVP, General Counsel & Sec M Bio-Rad A Common Stock 464 $0.00 3,362.7965 29,785,000 16.01% 0.00%
Sept. 3, 2023 BIO-RAD LABORATORIES, INC. $BIO ERNST TIMOTHY S EVP, General Counsel & Sec F Bio-Rad A Common Stock 231 $394.60 3,131.7965 29,785,000 6.87% 0.00%
Sept. 4, 2023 BIO-RAD LABORATORIES, INC. $BIO ERNST TIMOTHY S EVP, General Counsel & Sec M Bio-Rad A Common Stock 500 $0.00 3,631.7965 29,785,000 15.97% 0.00%
Sept. 4, 2023 BIO-RAD LABORATORIES, INC. $BIO ERNST TIMOTHY S EVP, General Counsel & Sec F Bio-Rad A Common Stock 248 $394.60 3,383.7965 29,785,000 6.83% 0.00%
Sept. 1, 2023 BIO-RAD LABORATORIES, INC. $BIO ERNST TIMOTHY S EVP, General Counsel & Sec A Restricted Stock Units 2003 $0.00 2,003.0000 29,785,000 9999.99% 0.01%
Sept. 1, 2023 BIO-RAD LABORATORIES, INC. $BIO ERNST TIMOTHY S EVP, General Counsel & Sec M Restricted Stock Units 347 $0.00 1,041.0000 29,785,000 25.00% 0.00%
Sept. 1, 2023 BIO-RAD LABORATORIES, INC. $BIO ERNST TIMOTHY S EVP, General Counsel & Sec M Restricted Stock Units 253 $0.00 507.0000 29,785,000 33.29% 0.00%
Sept. 2, 2023 BIO-RAD LABORATORIES, INC. $BIO ERNST TIMOTHY S EVP, General Counsel & Sec M Restricted Stock Units 361 $0.00 361.0000 29,785,000 50.00% 0.00%
Sept. 3, 2023 BIO-RAD LABORATORIES, INC. $BIO ERNST TIMOTHY S EVP, General Counsel & Sec M Restricted Stock Units 464 $0.00 464.0000 29,785,000 50.00% 0.00%
Sept. 4, 2023 BIO-RAD LABORATORIES, INC. $BIO ERNST TIMOTHY S EVP, General Counsel & Sec M Restricted Stock Units 500 $0.00 0.0000 29,785,000 100.00% 0.00%
Aug. 30, 2023 BIO-RAD LABORATORIES, INC. $BIO ERNST TIMOTHY S EVP, General Counsel & Sec M Bio-Rad A Common Stock 2350 $215.98 4,765.7965 29,785,000 97.28% 0.01%
Aug. 30, 2023 BIO-RAD LABORATORIES, INC. $BIO ERNST TIMOTHY S EVP, General Counsel & Sec S Bio-Rad A Common Stock 391 $394.16 4,374.7965 29,785,000 8.20% 0.00%
Aug. 30, 2023 BIO-RAD LABORATORIES, INC. $BIO ERNST TIMOTHY S EVP, General Counsel & Sec S Bio-Rad A Common Stock 1582 $395.76 2,792.7965 29,785,000 36.16% 0.01%
Aug. 30, 2023 BIO-RAD LABORATORIES, INC. $BIO ERNST TIMOTHY S EVP, General Counsel & Sec S Bio-Rad A Common Stock 377 $396.44 2,415.7965 29,785,000 13.50% 0.00%
Aug. 30, 2023 BIO-RAD LABORATORIES, INC. $BIO ERNST TIMOTHY S EVP, General Counsel & Sec M Non-Qualified Stock Option (right to buy) 2350 $0.00 0.0000 29,785,000 100.00% 0.01%
Aug. 23, 2023 BIO-RAD LABORATORIES, INC. $BIO ERNST TIMOTHY S EVP, General Counsel & Sec S Bio-Rad A Common Stock 300 $384.69 2,415.7965 29,785,000 11.05% 0.00%
March 8, 2023 BIO-RAD LABORATORIES, INC. $BIO ERNST TIMOTHY S EVP, General Counsel & Sec M Bio-Rad A Common Stock 850 $159.32 4,267.3635 29,785,000 24.87% 0.00%
March 8, 2023 BIO-RAD LABORATORIES, INC. $BIO ERNST TIMOTHY S EVP, General Counsel & Sec M Bio-Rad A Common Stock 150 $215.98 4,417.3635 29,785,000 3.52% 0.00%
March 8, 2023 BIO-RAD LABORATORIES, INC. $BIO ERNST TIMOTHY S EVP, General Counsel & Sec S Bio-Rad A Common Stock 1000 $486.08 3,417.3635 29,785,000 22.64% 0.00%
March 8, 2023 BIO-RAD LABORATORIES, INC. $BIO ERNST TIMOTHY S EVP, General Counsel & Sec S Bio-Rad A Common Stock 746 $486.89 2,671.3635 29,785,000 21.83% 0.00%
March 8, 2023 BIO-RAD LABORATORIES, INC. $BIO ERNST TIMOTHY S EVP, General Counsel & Sec M Non-Qualified Stock Option (right to buy) 850 $0.00 0.0000 29,785,000 100.00% 0.00%
March 8, 2023 BIO-RAD LABORATORIES, INC. $BIO ERNST TIMOTHY S EVP, General Counsel & Sec M Non-Qualified Stock Option (right to buy) 150 $0.00 2,350.0000 29,785,000 6.00% 0.00%