Guindo Chirfi (CIK 0001722753)

Latest company ownership

Role: Chief Marketing Officer
Shares held
69,881.54
Last filed at
May 1, 2025
Confidence Score
43.9
2025Q4
Confidence Score History
2023Q3 2025Q4
Role: Head of Glob Prod Strat & Com
Shares held
2,851
Last filed at
Feb 23, 2022
Confidence Score
50.0
2025Q4
Confidence Score History
2018Q4 2025Q4

Recent buy/sell transactions

Exec date Filing date Company Role Signal Confidence Shares % of shares Under plan? Amount (USD)
Aug 4, 2025 Aug 5, 2025 Merck & Co., Inc. Chief Marketing Officer Sell 17.5 -18,175 -16.91% $1.4M
Aug 5, 2024 Aug 6, 2024 Merck & Co., Inc. Chief Marketing Officer Sell 17.5 -17,412 -30.11% $2M
Aug 3, 2023 Aug 4, 2023 Merck & Co., Inc. Chief Marketing Officer Sell 17.5 -17,989 -46.85% $1.9M
Feb 18, 2022 Feb 23, 2022 BIOGEN INC. Head of Glob Prod Strat & Com Sell 22.5 -879 -10.66% $184.4K
Feb 12, 2022 Feb 15, 2022 BIOGEN INC. Head of Glob Prod Strat & Com Sell 40.0 -2,342 -10.29% $502.6K
Jun 7, 2021 Jun 9, 2021 BIOGEN INC. Head of Glob Prod Strat & Com Sell 5.0 -3,087 -51.40% $1.4M
Feb 12, 2021 Feb 17, 2021 BIOGEN INC. EVP Glob. Prod Strat and Comm Sell 20.0 -940 -13.53% $261.3K
Dec 1, 2020 Dec 3, 2020 BIOGEN INC. EVP Glob. Prod Strat and Comm Sell 22.5 -562 -7.14% $136.7K
Feb 12, 2020 Feb 14, 2020 BIOGEN INC. EVP Glob. Prod Strat and Comm Sell 22.5 -504 -11.52% $167.2K
Dec 1, 2019 Dec 3, 2019 BIOGEN INC. EVP Glob. Prod Strat and Comm Sell 22.5 -391 -7.24% $117.2K
Dec 1, 2018 Dec 4, 2018 BIOGEN INC. EVP Glob. Mkt Acc & Cust Innov Sell 22.5 -409 -8.07% $136.5K