SEC Insider Transactions from Dahowski Diane.

Last updated: 2026-03-14 11:19 UTC | Total transactions: 15

Dahowski Diane has filed 15 insider transactions across 1 company since September 2023.

Most recent transaction: a option exercise of 520 shares of BIO-RAD LABORATORIES, INC. ($BIO) on September 01, 2023.

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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
Sept. 1, 2023 BIO-RAD LABORATORIES, INC. $BIO Dahowski Diane EVP, Global Supply Chain M Bio-Rad A Common Stock 520 $0.00 10,961.0277 29,785,000 4.98% 0.00%
Sept. 1, 2023 BIO-RAD LABORATORIES, INC. $BIO Dahowski Diane EVP, Global Supply Chain F Bio-Rad A Common Stock 180 $394.60 10,781.0277 29,785,000 1.64% 0.00%
Sept. 1, 2023 BIO-RAD LABORATORIES, INC. $BIO Dahowski Diane EVP, Global Supply Chain M Bio-Rad A Common Stock 329 $0.00 11,110.0277 29,785,000 3.05% 0.00%
Sept. 1, 2023 BIO-RAD LABORATORIES, INC. $BIO Dahowski Diane EVP, Global Supply Chain F Bio-Rad A Common Stock 114 $394.60 10,996.0277 29,785,000 1.03% 0.00%
Sept. 2, 2023 BIO-RAD LABORATORIES, INC. $BIO Dahowski Diane EVP, Global Supply Chain M Bio-Rad A Common Stock 361 $0.00 11,357.0277 29,785,000 3.28% 0.00%
Sept. 2, 2023 BIO-RAD LABORATORIES, INC. $BIO Dahowski Diane EVP, Global Supply Chain F Bio-Rad A Common Stock 125 $394.60 11,232.0277 29,785,000 1.10% 0.00%
Sept. 3, 2023 BIO-RAD LABORATORIES, INC. $BIO Dahowski Diane EVP, Global Supply Chain M Bio-Rad A Common Stock 495 $0.00 11,727.0277 29,785,000 4.41% 0.00%
Sept. 3, 2023 BIO-RAD LABORATORIES, INC. $BIO Dahowski Diane EVP, Global Supply Chain F Bio-Rad A Common Stock 172 $394.60 11,555.0277 29,785,000 1.47% 0.00%
Sept. 4, 2023 BIO-RAD LABORATORIES, INC. $BIO Dahowski Diane EVP, Global Supply Chain M Bio-Rad A Common Stock 600 $0.00 12,155.0277 29,785,000 5.19% 0.00%
Sept. 4, 2023 BIO-RAD LABORATORIES, INC. $BIO Dahowski Diane EVP, Global Supply Chain F Bio-Rad A Common Stock 275 $394.60 11,880.0277 29,785,000 2.26% 0.00%
Sept. 1, 2023 BIO-RAD LABORATORIES, INC. $BIO Dahowski Diane EVP, Global Supply Chain M Restricted Stock Units 520 $0.00 1,562.0000 29,785,000 24.98% 0.00%
Sept. 1, 2023 BIO-RAD LABORATORIES, INC. $BIO Dahowski Diane EVP, Global Supply Chain M Restricted Stock Units 329 $0.00 659.0000 29,785,000 33.30% 0.00%
Sept. 2, 2023 BIO-RAD LABORATORIES, INC. $BIO Dahowski Diane EVP, Global Supply Chain M Restricted Stock Units 361 $0.00 361.0000 29,785,000 50.00% 0.00%
Sept. 3, 2023 BIO-RAD LABORATORIES, INC. $BIO Dahowski Diane EVP, Global Supply Chain M Restricted Stock Units 495 $0.00 495.0000 29,785,000 50.00% 0.00%
Sept. 4, 2023 BIO-RAD LABORATORIES, INC. $BIO Dahowski Diane EVP, Global Supply Chain M Restricted Stock Units 600 $0.00 0.0000 29,785,000 100.00% 0.00%