Michael D Ehlers

Insider

First SEC filing: May 11, 2016 · Latest: May 11, 2016

On this page

Insider at Companies where this person is a reporting insider.
Insider transactions Every share this person bought or sold, from Form 4 filings.
Derivatives Options and other derivative holdings reported by this person.
Initial holdings The stakes this person held when they first started reporting.
Compensation Executive pay disclosed in company proxy statements.

Insider at

BIIB selling Sept. 26, 2018

Insider transactions

0 buys (P) 0 sells (S) Net: $0 + 36 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

36 other filings hidden

Date	Ticker	Code	Shares	Price	Value	Owned after	Δ own	A/D	vs now
June 1, 2019	BIIB	J	1,376	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
June 1, 2019	BIIB	M	1,126	—	—	1,376 Direct	-45.00%	Disposed	(price as of 2026-08-20)
June 1, 2019	BIIB	F	500	$219.29	$109,645	8,025 Direct	-5.87%	Disposed	0.3% (price as of 2026-08-20)
June 1, 2019	BIIB	M	1,126	—	—	8,525 Direct	+15.22%	Acquired	(price as of 2026-08-20)
June 1, 2019	BIIB	F	460	$219.29	$100,873	7,399 Direct	-5.85%	Disposed	0.3% (price as of 2026-08-20)
Feb. 15, 2019	BIIB	J	1,033	—	—	2,724 Direct	-27.50%	Disposed	(price as of 2026-08-20)
Feb. 15, 2019	BIIB	M	1,685	—	—	3,757 Direct	-30.96%	Disposed	(price as of 2026-08-20)
Feb. 15, 2019	BIIB	F	749	$332.87	$249,320	7,777 Direct	-8.78%	Disposed	-33.9% (price as of 2026-08-20)
Feb. 15, 2019	BIIB	M	1,685	—	—	8,526 Direct	+24.63%	Acquired	(price as of 2026-08-20)
Feb. 12, 2019	BIIB	A	13,460	—	—	13,460 Direct	—	Acquired	(price as of 2026-08-20)
Feb. 12, 2019	BIIB	J	1,697	—	—	7,894 Direct	-17.69%	Disposed	(price as of 2026-08-20)
Feb. 12, 2019	BIIB	M	2,249	—	—	9,591 Direct	-18.99%	Disposed	(price as of 2026-08-20)
Feb. 12, 2019	BIIB	M	1,578	—	—	3,157 Direct	-33.33%	Disposed	(price as of 2026-08-20)
Feb. 12, 2019	BIIB	F	798	$319.43	$254,905	6,841 Direct	-10.45%	Disposed	-31.1% (price as of 2026-08-20)
Feb. 12, 2019	BIIB	M	2,249	—	—	7,639 Direct	+41.73%	Acquired	(price as of 2026-08-20)
Feb. 12, 2019	BIIB	F	469	$319.43	$149,813	5,390 Direct	-8.00%	Disposed	-31.1% (price as of 2026-08-20)
Feb. 12, 2019	BIIB	M	1,578	—	—	5,859 Direct	+36.86%	Acquired	(price as of 2026-08-20)
Sept. 26, 2018	BIIB	S 10b5-1	1,000	$350.00	$350,000	4,281 Direct	-18.94%	Disposed	-37.1% (price as of 2026-08-20)
June 1, 2018	BIIB	J	1,110	—	—	2,502 Direct	-30.73%	Disposed	(price as of 2026-08-20)
June 1, 2018	BIIB	M	1,384	—	—	3,612 Direct	-27.70%	Disposed	(price as of 2026-08-20)
June 1, 2018	BIIB	F	616	$297.09	$183,007	5,281 Direct	-10.45%	Disposed	-26.0% (price as of 2026-08-20)
June 1, 2018	BIIB	M	1,384	—	—	5,897 Direct	+30.67%	Acquired	(price as of 2026-08-20)
June 1, 2018	BIIB	F	460	$297.09	$136,661	4,513 Direct	-9.25%	Disposed	-26.0% (price as of 2026-08-20)
Feb. 15, 2018	BIIB	J	1,006	—	—	5,442 Direct	-15.60%	Disposed	(price as of 2026-08-20)
Feb. 15, 2018	BIIB	M	1,712	—	—	6,448 Direct	-20.98%	Disposed	(price as of 2026-08-20)
Feb. 15, 2018	BIIB	F	509	$299.38	$152,384	4,898 Direct	-9.41%	Disposed	-26.5% (price as of 2026-08-20)
Feb. 15, 2018	BIIB	M	1,712	—	—	5,407 Direct	+46.33%	Acquired	(price as of 2026-08-20)
Feb. 12, 2018	BIIB	A	11,840	—	—	11,840 Direct	—	Acquired	(price as of 2026-08-20)
Feb. 12, 2018	BIIB	A	4,735	—	—	4,735 Direct	—	Acquired	(price as of 2026-08-20)
June 1, 2017	BIIB	J	1,235	—	—	4,996 Direct	-19.82%	Disposed	(price as of 2026-08-20)
June 1, 2017	BIIB	M	1,259	—	—	6,231 Direct	-16.81%	Disposed	(price as of 2026-08-20)
June 1, 2017	BIIB	F	411	$252.38	$103,728	3,616 Direct	-10.21%	Disposed	-12.8% (price as of 2026-08-20)
June 1, 2017	BIIB	M	1,259	—	—	4,027 Direct	+45.48%	Acquired	(price as of 2026-08-20)
June 1, 2017	BIIB	F	336	$252.38	$84,800	2,768 Direct	-10.82%	Disposed	-12.8% (price as of 2026-08-20)
Feb. 15, 2017	BIIB	A	8,160	—	—	8,160 Direct	—	Acquired	(price as of 2026-08-20)
June 1, 2016	BIIB	A	7,320	—	—	7,320 Direct	—	Acquired	(price as of 2026-08-20)
June 1, 2016	BIIB	A	3,034	—	—	3,034 Direct	—	Acquired	(price as of 2026-08-20)

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
June 1, 2019	BIIB	Restricted Stock Unit	Common Stock (1,376)	$0.00	June 1, 2019	1,376	Disposed
June 1, 2019	BIIB	Restricted Stock Unit	Common Stock (1,126)	$0.00	June 1, 2019	1,126	Disposed
Feb. 15, 2019	BIIB	Restricted Stock Unit	Common Stock (1,033)	$0.00	Feb. 15, 2020	1,033	Disposed
Feb. 15, 2019	BIIB	Restricted Stock Unit	Common Stock (1,685)	$0.00	Feb. 15, 2020	1,685	Disposed
Feb. 12, 2019	BIIB	Restricted Stock Unit	Common Stock (13,460)	$0.00	Feb. 12, 2022	13,460	Acquired
Feb. 12, 2019	BIIB	Restricted Stock Unit	Common Stock (1,697)	$0.00	Feb. 12, 2021	1,697	Disposed
Feb. 12, 2019	BIIB	Restricted Stock Unit	Common Stock (2,249)	$0.00	Feb. 12, 2021	2,249	Disposed
Feb. 12, 2019	BIIB	Restricted Stock Unit	Common Stock (1,578)	$0.00	Feb. 12, 2020	1,578	Disposed
June 1, 2018	BIIB	Restricted Stock Unit	Common Stock (1,110)	$0.00	June 1, 2019	1,110	Disposed
June 1, 2018	BIIB	Restricted Stock Unit	Common Stock (1,384)	$0.00	June 1, 2019	1,384	Disposed
Feb. 15, 2018	BIIB	Restricted Stock Unit	Common Stock (1,006)	$0.00	Feb. 15, 2020	1,006	Disposed
Feb. 15, 2018	BIIB	Restricted Stock Unit	Common Stock (1,712)	$0.00	Feb. 15, 2020	1,712	Disposed
Feb. 12, 2018	BIIB	Restricted Stock Unit	Common Stock (11,840)	$0.00	Feb. 12, 2021	11,840	Acquired
Feb. 12, 2018	BIIB	Restricted Stock Unit	Common Stock (4,735)	$0.00	Feb. 12, 2020	4,735	Acquired
June 1, 2017	BIIB	Restricted Stock Unit	Common Stock	$0.00	June 1, 2019	1,235	Disposed
June 1, 2017	BIIB	Restricted Stock Unit	Common Stock	$0.00	June 1, 2019	1,259	Disposed
Feb. 15, 2017	BIIB	Restricted Stock Unit	Common Stock (8,160)	$0.00	Feb. 15, 2020	8,160	Acquired
June 1, 2016	BIIB	Restricted Stock Unit	Common Stock (7,320)	$0.00	June 1, 2019	7,320	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
May 11, 2016	BIIB	Common Stock	0	Direct

Compensation (DEF 14A)

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

BIIB

Fiscal year	Salary	Bonus	Stock awards	Option awards	Non-equity incentive	Pension change	Other	Total
2017	$792,139	—	$3,157,338	—	$1,012,034	$1,799	$101,671	$5,064,981
2016	$491,827	$1,170,177	—	—	$425,062	$155	$14,665	$5,512,536

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