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Guindo Chirfi

EVP, Access, Policy & Comms at Merck · Head of Glob Prod Strat & Com at Biogen. Filing since 7 Jun 2021. CIK 0001722753

MRK Merck & Co. EVP, Access, Policy & Comms · 5 trades BIIB Biogen Head of Glob Prod Strat & Com · 1 trade
Company
Date
Role
Action
Shares
Amount
Of holding
MRK Merck & Co.
13 Aug 2026
EVP, Access, Policy & Comms
Sold at will
10,000
$1.35M
21.5%
MRK Merck & Co.
6 Aug 2026
EVP, Access, Policy & Comms
Sold at will
15,000
$1.97M
24.3%
MRK Merck & Co.
12 Feb 2026
Chief Marketing Officer
Sold at will
10,000
$1.21M
14.2%
MRK Merck & Co.
9 Feb 2026
Chief Marketing Officer
Sold at will
10,000
$1.18M
12.4%
MRK Merck & Co.
5 Feb 2026
Chief Marketing Officer
Sold at will
20,000
$2.44M
19.9%
BIIB Biogen
7 Jun 2021
Head of Glob Prod Strat & Com
Sold, plan not stated
3,087
$1.36M
51.4%
6 decisions on file.