Michel Vounatsos

CIK 1672709 · View on SEC EDGAR ↗

Insider

First SEC filing: April 22, 2016 · Latest: April 22, 2016

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Insider at

Insider transactions

0 buys (P) 0 sells (S) Net: $0 + 92 non-open-market transactions below last 12 months, based on the transactions shown below

Price change vs current quote, split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted

92 other filings hidden
Date Ticker Code Shares Price Value Owned after Δ own A/D vs now
Nov. 30, 2020 BIIB P 3,100 $241.31 $748,061 34,810 Direct +9.78% Acquired -10.6% (price as of 2026-08-21)
May 1, 2019 BIIB P 4,351 $231.48 $1,007,169 21,007 Direct +26.12% Acquired -6.8% (price as of 2026-08-21)
Dec. 29, 2017 BIIB P 10b5-1 780 $320.55 $250,029 4,879 Direct +19.03% Acquired -32.7% (price as of 2026-08-21)
May 1, 2017 BIIB P 10b5-1 1,402 $271.35 $380,433 2,927 Direct +91.93% Acquired -20.5% (price as of 2026-08-21)
Feb. 27, 2017 BIIB P 10b5-1 1,333 $285.39 $380,425 1,434 Direct +1319.80% Acquired -24.4% (price as of 2026-08-21)

P = Open-market purchase · S = Sale · A = Grant/award · M = Option exercise · G = Gift · F = Tax withholding

Insider transactions are not a recommendation; sales are often driven by liquidity or tax reasons.

Derivative holdings (Form 4 Table II)

Options, RSUs and convertible securities reported on Form 4 Table II.

Date Ticker Security Underlying Exercise price Expiration Shares A/D
Feb. 18, 2022 BIIB Restricted Stock Unit Common Stock (8,909) $0.00 Feb. 18, 2024 8,909 Disposed
Feb. 18, 2022 BIIB Restricted Stock Unit Common Stock (6,191) $0.00 Feb. 18, 2024 6,191 Disposed
Feb. 12, 2022 BIIB Restricted Stock Unit Common Stock (8,163) $0.00 Feb. 12, 2023 8,163 Disposed
Feb. 12, 2022 BIIB Restricted Stock Unit Common Stock (4,395) $0.00 Feb. 12, 2023 4,395 Disposed
Feb. 12, 2022 BIIB Restricted Stock Unit Common Stock (8,205) $0.00 Feb. 12, 2022 8,205 Disposed
Feb. 12, 2022 BIIB Restricted Stock Unit Common Stock (4,321) $0.00 Feb. 12, 2022 4,321 Disposed
Feb. 10, 2022 BIIB Restricted Stock Unit Common Stock (28,405) $0.00 Feb. 10, 2025 28,405 Acquired
Feb. 18, 2021 BIIB Restricted Stock Unit Common Stock (45,310) $0.00 Feb. 18, 2024 45,310 Acquired
Feb. 12, 2021 BIIB Restricted Stock Unit Common Stock (7,221) $0.00 Feb. 12, 2023 7,221 Disposed
Feb. 12, 2021 BIIB Restricted Stock Unit Common Stock (5,337) $0.00 Feb. 12, 2023 5,337 Disposed
Feb. 12, 2021 BIIB Restricted Stock Unit Common Stock (7,263) $0.00 Feb. 12, 2022 7,263 Disposed
Feb. 12, 2021 BIIB Restricted Stock Unit Common Stock (5,259) $0.00 Feb. 12, 2022 5,259 Disposed
Feb. 12, 2021 BIIB Restricted Stock Unit Common Stock (6,419) $0.00 Feb. 12, 2021 6,419 Disposed
Feb. 12, 2021 BIIB Restricted Stock Unit Common Stock (5,693) $0.00 Feb. 12, 2021 5,693 Disposed
Feb. 15, 2020 BIIB Restricted Stock Unit Common Stock (3,657) $0.00 Feb. 15, 2020 3,657 Disposed
Feb. 15, 2020 BIIB Restricted Stock Unit Common Stock (4,847) $0.00 Feb. 15, 2020 4,847 Disposed
Feb. 12, 2020 BIIB Restricted Stock Unit Common Stock (37,680) $0.00 Feb. 12, 2023 37,680 Acquired
Feb. 12, 2020 BIIB Restricted Stock Unit Common Stock (6,762) $0.00 Feb. 12, 2022 6,762 Disposed
Feb. 12, 2020 BIIB Restricted Stock Unit Common Stock (5,760) $0.00 Feb. 12, 2022 5,760 Disposed
Feb. 12, 2020 BIIB Restricted Stock Unit Common Stock (5,870) $0.00 Feb. 12, 2021 5,870 Disposed
Feb. 12, 2020 BIIB Restricted Stock Unit Common Stock (6,234) $0.00 Feb. 12, 2021 6,234 Disposed
May 2, 2019 BIIB Restricted Stock Unit Common Stock (1,772) $0.00 May 2, 2019 1,772 Disposed
May 2, 2019 BIIB Restricted Stock Unit Common Stock (1,480) $0.00 May 2, 2019 1,480 Disposed
Feb. 15, 2019 BIIB Restricted Stock Unit Common Stock (3,229) $0.00 Feb. 15, 2020 3,229 Disposed
Feb. 15, 2019 BIIB Restricted Stock Unit Common Stock (5,269) $0.00 Feb. 15, 2020 5,269 Disposed
Feb. 12, 2019 BIIB Restricted Stock Unit Common Stock (37,570) $0.00 Feb. 12, 2022 37,570 Acquired
Feb. 12, 2019 BIIB Restricted Stock Unit Common Stock (5,205) $0.00 Feb. 12, 2021 5,205 Disposed
Feb. 12, 2019 BIIB Restricted Stock Unit Common Stock (6,899) $0.00 Feb. 12, 2021 6,899 Disposed
May 2, 2018 BIIB Restricted Stock Unit Common Stock $0.00 May 2, 2019 1,557 Disposed
May 2, 2018 BIIB Restricted Stock Unit Common Stock (1,687) $0.00 May 2, 2019 1,687 Disposed
Feb. 15, 2018 BIIB Restricted Stock Unit Common Stock (3,144) $0.00 Feb. 15, 2020 3,144 Disposed
Feb. 15, 2018 BIIB Restricted Stock Unit Common Stock (5,354) $0.00 Feb. 15, 2020 5,354 Disposed
Feb. 12, 2018 BIIB Restricted Stock Unit Common Stock (36,320) $0.00 Feb. 12, 2021 36,320 Acquired
May 2, 2017 BIIB Restricted Stock Unit Common Stock (1,508) $0.00 May 2, 2019 1,508 Disposed
May 2, 2017 BIIB Restricted Stock Unit Common Stock $0.00 May 2, 2019 1,736 Disposed
Feb. 15, 2017 BIIB Restricted Stock Unit Common Stock (25,500) $0.00 Feb. 15, 2020 25,500 Acquired
May 2, 2016 BIIB Restricted Stock Unit Common Stock (9,520) $0.00 May 2, 2019 9,520 Acquired

Exercise/conversion price is blank when not applicable (e.g. RSUs).

Initial ownership (Form 3) 1 holding

Securities held when first becoming an insider, per SEC Form 3.

Date Ticker Security Shares Ownership
April 22, 2016 BIIB Common Stock 0 Direct

Compensation (DEF 14A)

Matched by name from proxy statements (DEF 14A) — verify against the filing.

Fiscal year Salary Bonus Stock awards Option awards Non-equity incentive Pension change Other Total
2022 $1,626,039 $541,661 $9,067,789 $26,625,221
2021 $1,533,173 $14,084,314 $1,153,125 $494,290 $424,763 $17,689,665
2020 $1,488,462 $13,887,064 $2,565,000 $264,358 $454,945 $18,659,829

Figures from the Summary Compensation Table of the company's proxy statement (DEF 14A). Compensation is not a recommendation.