Chirfi Guindo's Insider Trades & SAST Disclosures

Chirfi Guindo's most recent trade in Beam Therapeutics Inc was a trade of 33,662 Stock Option (Right to Buy) done . Disclosure was reported to the exchange on June 4, 2025.

Stock Client Name Client Category Action Reported to Exchange Quantity Post Transaction Holding Traded % Avg. Price Value Security Type
Beam Therapeutics Inc
Chirfi Guindo Director Grant, award, or other acquisition of securities at price $ 0.00 per share. 04 Jun 2025 33,662 33,662 - - Stock Option (Right to Buy)
Merck & Co Inc
Chirfi Guindo Chief Marketing Officer Grant, award, or other acquisition of securities at price $ 0.00 per share. 29 Apr 2025 26,867 26,867 - - Stock Option (Right to Buy)
Merck & Co Inc
Chirfi Guindo Chief Marketing Officer Grant, award, or other acquisition of securities at price $ 0.00 per share. 29 Apr 2025 5,902 5,902 - - Restricted Stock Unit
Merck & Co Inc
Chirfi Guindo Chief Marketing Officer Grant, award, or other acquisition of securities at price $ 97.94 per share. 27 Jan 2025 28,158 69,143 (0%) 0% 97.9 2,757,795 Common Stock
Beam Therapeutics Inc
Chirfi Guindo Director Grant, award, or other acquisition of securities at price $ 0.00 per share. 02 Dec 2024 39,086 39,086 - - Stock Option (Right to Buy)
Merck & Co Inc
Chirfi Guindo Chief Marketing Officer Exercise or conversion of derivative security received from the company (such as an option) at price $ 115.20 per share. 05 Aug 2024 36,901 57,781 (0%) 0% 115.2 4,250,995 Common Stock
Merck & Co Inc
Chirfi Guindo Chief Marketing Officer Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. 05 Aug 2024 36,901 36,903 - - Restricted Stock Unit
Merck & Co Inc
Chirfi Guindo Chief Marketing Officer Payment of exercise price or tax liability using portion of securities received from the company at price $ 115.20 per share. 05 Aug 2024 17,412 40,369 (0%) 0% 115.2 2,005,862 Common Stock
Merck & Co Inc
Chirfi Guindo Chief Marketing Officer Grant, award, or other acquisition of securities at price $ 0.00 per share. 30 Apr 2024 29,297 29,297 - - Stock Option (Right to Buy)
Merck & Co Inc
Chirfi Guindo Chief Marketing Officer Exercise or conversion of derivative security received from the company (such as an option) at price $ 105.70 per share. 03 Aug 2023 36,901 38,341 (0%) 0% 105.7 3,900,436 Common Stock
Merck & Co Inc
Chirfi Guindo Chief Marketing Officer Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. 03 Aug 2023 36,901 73,804 - - Restricted Stock Unit
Merck & Co Inc
Chirfi Guindo Chief Marketing Officer Payment of exercise price or tax liability using portion of securities received from the company at price $ 105.70 per share. 03 Aug 2023 17,989 20,352 (0%) 0% 105.7 1,901,437 Common Stock
Merck & Co Inc
Chirfi Guindo Chief Marketing Officer Grant, award, or other acquisition of securities at price $ 0.00 per share. 02 May 2023 34,578 34,578 - - Stock Option (Right to Buy)
Biogen Inc
Chirfi Guindo Head of Glob Prod Strat & Com Other type of transaction at price $ 0.00 per share. 18 Feb 2022 2,851 9,668 - - Restricted Stock Unit
Biogen Inc
Chirfi Guindo Head of Glob Prod Strat & Com Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. 18 Feb 2022 1,981 8,243 (0%) 0% 0 Common Stock
Biogen Inc
Chirfi Guindo Head of Glob Prod Strat & Com Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. 18 Feb 2022 1,981 12,519 - - Restricted Stock Unit
Biogen Inc
Chirfi Guindo Head of Glob Prod Strat & Com Payment of exercise price or tax liability using portion of securities received from the company at price $ 209.79 per share. 18 Feb 2022 879 7,364 (0%) 0% 209.8 184,405 Common Stock
Biogen Inc
Chirfi Guindo Head of Glob Prod Strat & Com Other type of transaction at price $ 0.00 per share. 12 Feb 2022 2,480 3,818 - - Restricted Stock Unit
Biogen Inc
Chirfi Guindo Head of Glob Prod Strat & Com Other type of transaction at price $ 0.00 per share. 12 Feb 2022 2,395 0 - - Restricted Stock Unit
Biogen Inc
Chirfi Guindo Head of Glob Prod Strat & Com Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. 12 Feb 2022 1,336 8,044 (0%) 0% 0 Common Stock
Biogen Inc
Chirfi Guindo Head of Glob Prod Strat & Com Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. 12 Feb 2022 1,336 6,298 - - Restricted Stock Unit
Biogen Inc
Chirfi Guindo Head of Glob Prod Strat & Com Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. 12 Feb 2022 1,261 7,268 (0%) 0% 0 Common Stock
Biogen Inc
Chirfi Guindo Head of Glob Prod Strat & Com Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. 12 Feb 2022 1,261 2,395 - - Restricted Stock Unit
Biogen Inc
Chirfi Guindo Head of Glob Prod Strat & Com Payment of exercise price or tax liability using portion of securities received from the company at price $ 214.59 per share. 12 Feb 2022 1,189 6,262 (0%) 0% 214.6 255,148 Common Stock
Biogen Inc
Chirfi Guindo Head of Glob Prod Strat & Com Payment of exercise price or tax liability using portion of securities received from the company at price $ 214.59 per share. 12 Feb 2022 593 7,451 (0%) 0% 214.6 127,252 Common Stock
Biogen Inc
Chirfi Guindo Head of Glob Prod Strat & Com Payment of exercise price or tax liability using portion of securities received from the company at price $ 214.59 per share. 12 Feb 2022 560 6,708 (0%) 0% 214.6 120,170 Common Stock
Biogen Inc
Chirfi Guindo Head of Glob Prod Strat & Com Grant, award, or other acquisition of securities at price $ 0.00 per share. 10 Feb 2022 9,090 9,090 - - Restricted Stock Unit
Biogen Inc
Chirfi Guindo Head of Glob Prod Strat & Com Grant, award, or other acquisition of securities at price $ 0.00 per share. 19 Jan 2022 3,088 6,007 (0%) 0% 0 Common Stock
Biogen Inc
Chirfi Guindo Head of Glob Prod Strat & Com Sale of securities on an exchange or to another person at price $ 440.00 per share. 07 Jun 2021 3,087 2,919 (0%) 0% 440 1,358,280 Common Stock
Biogen Inc
Chirfi Guindo EVP Glob. Prod Strat and Comm Grant, award, or other acquisition of securities at price $ 0.00 per share. 18 Feb 2021 14,500 14,500 - - Restricted Stock Unit
Biogen Inc
Chirfi Guindo EVP Glob. Prod Strat and Comm Other type of transaction at price $ 0.00 per share. 12 Feb 2021 2,194 7,634 - - Restricted Stock Unit
Biogen Inc
Chirfi Guindo EVP Glob. Prod Strat and Comm Other type of transaction at price $ 0.00 per share. 12 Feb 2021 2,118 3,656 - - Restricted Stock Unit
Biogen Inc
Chirfi Guindo EVP Glob. Prod Strat and Comm Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. 12 Feb 2021 1,622 9,828 - - Restricted Stock Unit
Biogen Inc
Chirfi Guindo EVP Glob. Prod Strat and Comm Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. 12 Feb 2021 1,622 6,946 (0%) 0% 0 Common Stock
Biogen Inc
Chirfi Guindo EVP Glob. Prod Strat and Comm Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. 12 Feb 2021 1,534 5,774 - - Restricted Stock Unit
Biogen Inc
Chirfi Guindo EVP Glob. Prod Strat and Comm Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. 12 Feb 2021 1,534 5,324 (0%) 0% 0 Common Stock
Biogen Inc
Chirfi Guindo EVP Glob. Prod Strat and Comm Payment of exercise price or tax liability using portion of securities received from the company at price $ 278.03 per share. 12 Feb 2021 477 6,006 (0%) 0% 278.0 132,620 Common Stock
Biogen Inc
Chirfi Guindo EVP Glob. Prod Strat and Comm Payment of exercise price or tax liability using portion of securities received from the company at price $ 278.03 per share. 12 Feb 2021 463 6,483 (0%) 0% 278.0 128,728 Common Stock
Biogen Inc
Chirfi Guindo EVP Glob. Prod Strat and Comm Other type of transaction at price $ 0.00 per share. 01 Dec 2020 693 0 - - Restricted Stock Unit
Biogen Inc
Chirfi Guindo EVP Glob. Prod Strat and Comm Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. 01 Dec 2020 481 693 - - Restricted Stock Unit
Biogen Inc
Chirfi Guindo EVP Glob. Prod Strat and Comm Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. 01 Dec 2020 481 4,004 (0%) 0% 0 Common Stock
Biogen Inc
Chirfi Guindo EVP Glob. Prod Strat and Comm Payment of exercise price or tax liability using portion of securities received from the company at price $ 243.16 per share. 01 Dec 2020 348 3,523 (0%) 0% 243.2 84,620 Common Stock
Biogen Inc
Chirfi Guindo EVP Glob. Prod Strat and Comm Payment of exercise price or tax liability using portion of securities received from the company at price $ 243.16 per share. 01 Dec 2020 214 3,790 (0%) 0% 243.2 52,036 Common Stock
*All Values are in $ Million
Client Category: Promoter/ KMP/ Director / Immediate Relatives / Employee / etc  
Security Type: Share/ Warrants / Convertible Debentures
Data as reported to USA Exchanges
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