SEC Insider Transactions from Viehbacher Christopher.

Last updated: 2026-03-14 11:50 UTC | Total transactions: 15

Viehbacher Christopher has filed 15 insider transactions across 1 company since February 2024.

Most recent transaction: a grant/award of 38015 shares of BIOGEN INC. ($BIIB) on February 13, 2026.

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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
Feb. 13, 2026 BIOGEN INC. $BIIB Viehbacher Christopher President and CEO A Restricted Stock Unit 38015 $0.00 38,015.0000 170,500,000 9999.99% 0.02%
Feb. 6, 2026 BIOGEN INC. $BIIB Viehbacher Christopher President and CEO M Common Stock 9008 $0.00 25,451.0000 170,500,000 54.78% 0.01%
Feb. 6, 2026 BIOGEN INC. $BIIB Viehbacher Christopher President and CEO F Common Stock 4356 $201.18 21,095.0000 170,500,000 17.12% 0.00%
Feb. 6, 2026 BIOGEN INC. $BIIB Viehbacher Christopher President and CEO M Common Stock 15453 $0.00 36,548.0000 170,500,000 73.25% 0.01%
Feb. 6, 2026 BIOGEN INC. $BIIB Viehbacher Christopher President and CEO F Common Stock 6624 $201.18 29,924.0000 170,500,000 18.12% 0.00%
Feb. 6, 2026 BIOGEN INC. $BIIB Viehbacher Christopher President and CEO M Restricted Stock Unit 15453 $0.00 30,907.0000 170,500,000 33.33% 0.01%
Feb. 6, 2026 BIOGEN INC. $BIIB Viehbacher Christopher President and CEO M Restricted Stock Unit 9008 $0.00 9,009.0000 170,500,000 50.00% 0.01%
Dec. 1, 2025 BIOGEN INC. $BIIB Viehbacher Christopher President and CEO M Restricted Stock Unit 7040 $0.00 0.0000 170,500,000 100.00% 0.00%
Dec. 1, 2025 BIOGEN INC. $BIIB Viehbacher Christopher President and CEO M Common Stock 7040 $0.00 19,847.0000 170,500,000 54.97% 0.00%
Dec. 1, 2025 BIOGEN INC. $BIIB Viehbacher Christopher President and CEO F Common Stock 3404 $177.78 16,443.0000 170,500,000 17.15% 0.00%
Feb. 7, 2025 BIOGEN INC. $BIIB Viehbacher Christopher President and CEO M Common Stock 9008 $0.00 16,008.0000 169,500,000 128.69% 0.01%
Feb. 7, 2025 BIOGEN INC. $BIIB Viehbacher Christopher President and CEO M Restricted Stock Unit 9008 $0.00 18,017.0000 169,500,000 33.33% 0.01%
Feb. 6, 2025 BIOGEN INC. $BIIB Viehbacher Christopher President and CEO A Restricted Stock Unit 46360 $0.00 46,360.0000 169,500,000 9999.99% 0.03%
Feb. 7, 2025 BIOGEN INC. $BIIB Viehbacher Christopher President and CEO F Common Stock 3201 $141.35 12,807.0000 169,500,000 20.00% 0.00%
Feb. 7, 2024 BIOGEN INC. $BIIB Viehbacher Christopher President and CEO A Restricted Stock Unit 27025 $0.00 27,025.0000 168,700,000 9999.99% 0.02%