MCDONNELL MICHAEL R

BIIB

MCDONNELL MICHAEL R serves as EVP, Chief Financial Officer at Biogen Inc. (BIIB). This page tracks their complete SEC Form 4 insider trading history including stock purchases and sales.

Total Buys

0 trades

$0.00

Total Sells

11 trades

$4.66M

Net Position

Net Seller

$4.66M

Companies Traded

BIIB

Active Period

Sep 2021 – Feb 2025

11 total trades

Most Recent

Sell BIIB

Feb 12, 2025 · $195.4K

MCDONNELL MICHAEL R's Insider Trading at Biogen Inc. (BIIB)

Buys

0 · $0.00

Sells

11 · $4.66M

Total Shares Bought

Total Shares Sold

19,613

BIIB Price Chart

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Date	Type	Shares	Avg Price	Value
Feb 12, 2025	Sell	1,371	$142.54	$195.4K
Feb 10, 2025	Sell	1,502	$141.35	$212.3K
Feb 16, 2024	Sell	3,438	$219.08	$753.2K
Feb 9, 2024	Sell	1,431	$240.98	$344.8K
Feb 7, 2024	Sell	765	$240.30	$183.8K
Sep 1, 2023	Sell	2,704	$267.17	$722.4K
Feb 17, 2023	Sell	1,310	$278.38	$364.7K
Feb 10, 2023	Sell	1,105	$286.30	$316.4K
Sep 1, 2022	Sell	2,428	$199.79	$485.1K
Feb 18, 2022	Sell	977	$209.79	$205.0K
Sep 1, 2021	Sell	2,582	$338.24	$873.3K