Lynn Schenk

Insider

First SEC filing: March 19, 2008 · Latest: March 19, 2008

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.

Insider at

Insider transactions

0 buys (P) 0 sells (S) Net: $0 + 85 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

85 other filings hidden

Date	Ticker	Code	Shares	Price	Value	Owned after	Δ own	A/D	vs now
Oct. 1, 2019	SREA	A	86	$146.08	$12,563	17,177 Direct	+0.50%	Acquired	-85.9% (price as of 2026-08-20)
July 1, 2019	SREA	A	91	$136.66	$12,436	16,974 Direct	+0.54%	Acquired	-85.0% (price as of 2026-08-20)
June 19, 2019	BIIB	A	1,155	—	—	9,032 Direct	+14.66%	Acquired	(price as of 2026-08-20)
May 9, 2019	SREA	A	713	—	—	713 Direct	—	Acquired	(price as of 2026-08-20)
April 15, 2019	SREA	M	5,000	$46.02	$230,100	16,306 Direct	+44.22%	Acquired	-55.3% (price as of 2026-08-20)
April 15, 2019	SREA	S 10b5-1	5,000	$128.92	$644,600	11,306 Direct	-30.66%	Disposed	-84.1% (price as of 2026-08-20)
April 15, 2019	SREA	M	5,000	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
April 1, 2019	SREA	A	99	$126.63	$12,536	16,050 Direct	+0.62%	Acquired	-83.8% (price as of 2026-08-20)
Jan. 2, 2019	SREA	S 10b5-1	5,000	$107.09	$535,450	11,306 Direct	-30.66%	Disposed	-80.8% (price as of 2026-08-20)
Jan. 2, 2019	SREA	A	117	$106.76	$12,491	15,827 Direct	+0.74%	Acquired	-80.8% (price as of 2026-08-20)
Nov. 28, 2018	BIIB	G	32	—	—	7,877 Direct	-0.40%	Disposed	(price as of 2026-08-20)
Oct. 1, 2018	SREA	A	110	$113.83	$12,521	15,589 Direct	+0.71%	Acquired	-81.9% (price as of 2026-08-20)
July 2, 2018	SREA	A	108	$115.54	$12,478	15,360 Direct	+0.71%	Acquired	-82.2% (price as of 2026-08-20)
June 12, 2018	BIIB	A	880	—	—	7,909 Direct	+12.52%	Acquired	(price as of 2026-08-20)
May 10, 2018	SREA	A	846	—	—	846 Direct	—	Acquired	(price as of 2026-08-20)
April 2, 2018	SREA	A	114	$110.13	$12,555	14,292 Direct	+0.80%	Acquired	-81.3% (price as of 2026-08-20)
Jan. 2, 2018	SREA	A	119	$105.35	$12,537	14,071 Direct	+0.85%	Acquired	-80.5% (price as of 2026-08-20)
Dec. 26, 2017	SREA	M	12,500	$51.27	$640,875	16,306 Direct	+328.43%	Acquired	-59.9% (price as of 2026-08-20)
Dec. 26, 2017	SREA	M	12,500	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
Oct. 2, 2017	SREA	A	110	$113.98	$12,538	13,854 Direct	+0.80%	Acquired	-82.0% (price as of 2026-08-20)
July 3, 2017	SREA	A	111	$112.18	$12,452	13,644 Direct	+0.82%	Acquired	-81.7% (price as of 2026-08-20)
June 7, 2017	BIIB	A	1,055	—	—	7,029 Direct	+17.66%	Acquired	(price as of 2026-08-20)
May 12, 2017	SREA	A	538	—	—	538 Direct	—	Acquired	(price as of 2026-08-20)
April 3, 2017	SREA	A	114	$109.86	$12,524	12,900 Direct	+0.89%	Acquired	-81.3% (price as of 2026-08-20)
Jan. 3, 2017	SREA	A	124	$101.13	$12,540	12,694 Direct	+0.99%	Acquired	-79.7% (price as of 2026-08-20)
Oct. 3, 2016	SREA	A	119	$105.08	$12,505	12,481 Direct	+0.96%	Acquired	-80.4% (price as of 2026-08-20)
July 1, 2016	SREA	A	110	$113.49	$12,484	12,280 Direct	+0.90%	Acquired	-81.9% (price as of 2026-08-20)
June 8, 2016	BIIB	A	1,060	—	—	5,950 Direct	+21.68%	Acquired	(price as of 2026-08-20)
May 12, 2016	SREA	A	570	—	—	3,789 Direct	+17.71%	Acquired	(price as of 2026-08-20)
April 1, 2016	SREA	A	118	$105.92	$12,499	12,084 Direct	+0.99%	Acquired	-80.6% (price as of 2026-08-20)
Jan. 4, 2016	SREA	A	134	$93.18	$12,486	11,876 Direct	+1.14%	Acquired	-77.9% (price as of 2026-08-20)
Oct. 1, 2015	SREA	A	130	$96.40	$12,532	11,661 Direct	+1.13%	Acquired	-78.7% (price as of 2026-08-20)
July 1, 2015	SREA	A	126	$98.84	$12,454	11,454 Direct	+1.11%	Acquired	-79.2% (price as of 2026-08-20)
June 10, 2015	BIIB	A	695	—	—	4,890 Direct	+16.57%	Acquired	(price as of 2026-08-20)
May 13, 2015	SREA	A	576	—	—	3,203 Direct	+21.93%	Acquired	(price as of 2026-08-20)
April 1, 2015	SREA	A	115	$108.81	$12,513	11,256 Direct	+1.03%	Acquired	-81.1% (price as of 2026-08-20)
Jan. 9, 2015	SREA	A	113	$110.79	$12,519	11,076 Direct	+1.03%	Acquired	-81.5% (price as of 2026-08-20)
Oct. 3, 2014	SREA	A	119	$105.33	$12,534	10,892 Direct	+1.10%	Acquired	-80.5% (price as of 2026-08-20)
July 11, 2014	SREA	A	122	$102.64	$12,522	10,705 Direct	+1.15%	Acquired	-80.0% (price as of 2026-08-20)
June 19, 2014	SREA	M	2,500	$51.27	$128,175	5,111 Direct	+95.75%	Acquired	-59.9% (price as of 2026-08-20)
June 19, 2014	SREA	S 10b5-1	2,500	$105.00	$262,500	2,611 Direct	-48.91%	Disposed	-80.4% (price as of 2026-08-20)
June 19, 2014	SREA	M	2,500	—	—	12,500 Direct	-16.67%	Disposed	(price as of 2026-08-20)
June 12, 2014	BIIB	A	870	—	—	4,195 Direct	+26.17%	Acquired	(price as of 2026-08-20)
May 9, 2014	SREA	A	611	—	—	2,611 Direct	+30.55%	Acquired	(price as of 2026-08-20)
April 4, 2014	SREA	A	128	$97.51	$12,481	10,512 Direct	+1.23%	Acquired	-78.9% (price as of 2026-08-20)
Jan. 15, 2014	BIIB	S 10b5-1	1,000	$297.48	$297,480	3,100 Indirect	-24.39%	Disposed	-26.0% (price as of 2026-08-20)
Jan. 10, 2014	SREA	A	136	$92.04	$12,517	10,314 Direct	+1.34%	Acquired	-77.7% (price as of 2026-08-20)
Dec. 2, 2013	BIIB	S 10b5-1	1,000	$291.71	$291,710	4,100 Indirect	-19.61%	Disposed	-24.6% (price as of 2026-08-20)
Nov. 1, 2013	BIIB	S 10b5-1	1,000	$245.00	$245,000	5,100 Indirect	-16.39%	Disposed	-10.2% (price as of 2026-08-20)
Oct. 4, 2013	SREA	A	146	$85.59	$12,496	10,106 Direct	+1.47%	Acquired	-76.0% (price as of 2026-08-20)
Oct. 1, 2013	BIIB	S 10b5-1	1,000	$242.85	$242,850	6,100 Indirect	-14.08%	Disposed	-9.4% (price as of 2026-08-20)
Sept. 11, 2013	BIIB	S 10b5-1	900	$235.25	$211,725	3,325 Direct	-21.30%	Disposed	-6.5% (price as of 2026-08-20)
July 12, 2013	SREA	A	151	$82.82	$12,506	9,888 Direct	+1.55%	Acquired	-75.2% (price as of 2026-08-20)
June 12, 2013	BIIB	A	1,305	—	—	4,225 Direct	+44.69%	Acquired	(price as of 2026-08-20)
June 10, 2013	BIIB	S 10b5-1	1,000	$225.67	$225,670	2,920 Direct	-25.51%	Disposed	-2.5% (price as of 2026-08-20)
June 10, 2013	BIIB	S 10b5-1	1,000	$225.96	$225,960	3,920 Direct	-20.33%	Disposed	-2.6% (price as of 2026-08-20)
May 9, 2013	SREA	A	733	—	—	733 Direct	—	Acquired	(price as of 2026-08-20)
April 5, 2013	SREA	A	155	$80.85	$12,532	8,937 Direct	+1.76%	Acquired	-74.6% (price as of 2026-08-20)
Jan. 11, 2013	SREA	A	174	$71.89	$12,509	8,711 Direct	+2.04%	Acquired	-71.4% (price as of 2026-08-20)
Oct. 5, 2012	SREA	A	186	$67.13	$12,486	8,464 Direct	+2.25%	Acquired	-69.4% (price as of 2026-08-20)
July 13, 2012	SREA	A	182	$68.79	$12,520	8,208 Direct	+2.27%	Acquired	-70.1% (price as of 2026-08-20)
June 8, 2012	BIIB	A	2,020	—	—	4,920 Direct	+69.66%	Acquired	(price as of 2026-08-20)
May 10, 2012	SREA	A	924	—	—	924 Direct	—	Acquired	(price as of 2026-08-20)
May 2, 2012	BIIB	M 10b5-1	5,975	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
May 2, 2012	BIIB	S 10b5-1	8,480	$135.00	$1,144,800	7,100 Indirect	-54.43%	Disposed	63.0% (price as of 2026-08-20)
May 2, 2012	BIIB	S 10b5-1	5,975	$135.00	$806,625	2,900 Direct	-67.32%	Disposed	63.0% (price as of 2026-08-20)
May 2, 2012	BIIB	M 10b5-1	5,975	$53.43	$319,244	8,875 Direct	+206.03%	Acquired	311.7% (price as of 2026-08-20)
April 9, 2012	SREA	A	201	$62.29	$12,520	7,037 Direct	+2.94%	Acquired	-67.0% (price as of 2026-08-20)
Jan. 13, 2012	SREA	A	222	$56.24	$12,485	6,781 Direct	+3.38%	Acquired	-63.5% (price as of 2026-08-20)
Oct. 7, 2011	SREA	A	244	$51.20	$12,493	6,501 Direct	+3.90%	Acquired	-59.9% (price as of 2026-08-20)
July 1, 2011	SREA	A	235	$53.14	$12,488	6,202 Direct	+3.94%	Acquired	-61.3% (price as of 2026-08-20)
June 1, 2011	BIIB	A	2,900	—	—	10,880 Direct	+36.34%	Acquired	(price as of 2026-08-20)
May 13, 2011	SREA	A	1,089	—	—	1,089 Direct	—	Acquired	(price as of 2026-08-20)
April 20, 2011	BIIB	M 10b5-1	5,700	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
April 20, 2011	BIIB	M 10b5-1	5,950	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
April 20, 2011	BIIB	M 10b5-1	3,125	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
April 20, 2011	BIIB	M 10b5-1	12,500	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
April 20, 2011	BIIB	M 10b5-1	10,000	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
April 20, 2011	BIIB	M 10b5-1	5,700	$59.17	$337,269	35,255 Direct	+19.29%	Acquired	271.8% (price as of 2026-08-20)
April 20, 2011	BIIB	M 10b5-1	5,950	$52.22	$310,709	29,555 Direct	+25.21%	Acquired	321.3% (price as of 2026-08-20)
April 20, 2011	BIIB	M 10b5-1	3,125	$46.99	$146,844	23,605 Direct	+15.26%	Acquired	368.2% (price as of 2026-08-20)
April 20, 2011	BIIB	M 10b5-1	12,500	$66.29	$828,625	20,480 Direct	+156.64%	Acquired	231.9% (price as of 2026-08-20)
April 20, 2011	BIIB	S 10b5-1	10,000	$85.81	$858,100	7,980 Direct	-55.62%	Disposed	156.4% (price as of 2026-08-20)
April 20, 2011	BIIB	M 10b5-1	10,000	$68.15	$681,500	17,980 Direct	+125.31%	Acquired	222.8% (price as of 2026-08-20)
April 20, 2011	BIIB	S 10b5-1	27,275	$85.00	$2,318,375	7,980 Direct	-77.36%	Disposed	158.8% (price as of 2026-08-20)
April 8, 2011	SREA	A	233	$53.62	$12,493	4,837 Direct	+5.06%	Acquired	-61.7% (price as of 2026-08-20)
Jan. 14, 2011	SREA	A	239	$52.24	$12,485	4,571 Direct	+5.52%	Acquired	-60.7% (price as of 2026-08-20)
Dec. 30, 2010	BIIB	M 10b5-1	15,000	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
Dec. 30, 2010	BIIB	S 10b5-1	15,000	$66.80	$1,002,000	7,980 Direct	-65.27%	Disposed	229.3% (price as of 2026-08-20)
Dec. 30, 2010	BIIB	M 10b5-1	15,000	$59.25	$888,750	22,980 Direct	+187.97%	Acquired	271.3% (price as of 2026-08-20)
Oct. 8, 2010	SREA	A	232	$53.88	$12,500	4,302 Direct	+5.70%	Acquired	-61.9% (price as of 2026-08-20)
July 2, 2010	SREA	A	269	$46.55	$12,522	4,040 Direct	+7.13%	Acquired	-55.9% (price as of 2026-08-20)
June 9, 2010	BIIB	A	5,735	—	—	7,980 Direct	+255.46%	Acquired	(price as of 2026-08-20)
May 12, 2010	SREA	A	1,272	—	—	1,272 Direct	—	Acquired	(price as of 2026-08-20)
April 9, 2010	SREA	A	249	$50.20	$12,500	2,482 Direct	+11.15%	Acquired	-59.1% (price as of 2026-08-20)
Jan. 15, 2010	SREA	A	237	$52.76	$12,504	2,219 Direct	+11.96%	Acquired	-61.1% (price as of 2026-08-20)
Oct. 9, 2009	SREA	A	242	$51.74	$12,521	1,969 Direct	+14.01%	Acquired	-60.3% (price as of 2026-08-20)
July 2, 2009	SREA	A	257	$48.64	$12,500	1,716 Direct	+17.61%	Acquired	-57.8% (price as of 2026-08-20)
June 3, 2009	BIIB	A	5,975	—	—	5,975 Direct	—	Acquired	(price as of 2026-08-20)
June 3, 2009	BIIB	A	2,245	—	—	4,295 Direct	+109.51%	Acquired	(price as of 2026-08-20)

Showing latest 100 of 147 transactions

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
Oct. 1, 2019	SREA	Phantom Shares [F1]	Common Stock (86)	—	—	86	Acquired
July 1, 2019	SREA	Phantom Shares [F1]	Common Stock (91)	—	—	91	Acquired
May 9, 2019	SREA	Restricted Phantom Shares	Common Stock (713)	—	—	713	Acquired
April 15, 2019	SREA	Director Stock Option (4/30/2009 - 5,000 shares) [F3]	Common Stock (5,000)	$46.02	—	5,000	Disposed
April 1, 2019	SREA	Phantom Shares [F1]	Common Stock (99)	—	—	99	Acquired
Jan. 2, 2019	SREA	Phantom Shares [F3]	Common Stock (117)	—	—	117	Acquired
Oct. 1, 2018	SREA	Phantom Shares [F1]	Common Stock (110)	—	—	110	Acquired
July 2, 2018	SREA	Phantom Shares [F1]	Common Stock (108)	—	—	108	Acquired
May 10, 2018	SREA	Restricted Phantom Shares	Common Stock (846)	—	—	846	Acquired
April 2, 2018	SREA	Phantom Shares [F1]	Common Stock (114)	—	—	114	Acquired
Jan. 2, 2018	SREA	Phantom Shares [F1]	Common Stock (119)	—	—	119	Acquired
Dec. 26, 2017	SREA	Director Stock Option (3/18/2008 - 15,000 shares) [F1]	Common Stock (12,500)	$51.27	—	12,500	Disposed
Oct. 2, 2017	SREA	Phantom Shares [F1]	Common Stock (110)	—	—	110	Acquired
July 3, 2017	SREA	Phantom Shares [F1]	Common Stock (111)	—	—	111	Acquired
May 12, 2017	SREA	Restricted Phantom Shares	Common Stock (538)	—	—	538	Acquired
April 3, 2017	SREA	Phantom Shares [F1]	Common Stock (114)	—	—	114	Acquired
Jan. 3, 2017	SREA	Phantom Shares [F1]	Common Stock (124)	—	—	124	Acquired
Oct. 3, 2016	SREA	Phantom Shares [F1]	Common Stock (119)	—	—	119	Acquired
July 1, 2016	SREA	Phantom Shares [F1]	Common Stock (110)	—	—	110	Acquired
April 1, 2016	SREA	Phantom Shares [F1]	Common Stock (118)	—	—	118	Acquired
Jan. 4, 2016	SREA	Phantom Shares [F1]	Common Stock (134)	—	—	134	Acquired
Oct. 1, 2015	SREA	Phantom Shares [F1]	Common Stock (130)	—	—	130	Acquired
July 1, 2015	SREA	Phantom Shares [F1]	Common Stock (126)	—	—	126	Acquired
April 1, 2015	SREA	Phantom Shares [F1]	Common Stock (115)	—	—	115	Acquired
Jan. 9, 2015	SREA	Phantom Shares [F1]	Common Stock (113)	—	—	113	Acquired
Oct. 3, 2014	SREA	Phantom Shares [F1]	Common Stock (119)	—	—	119	Acquired
July 11, 2014	SREA	Phantom Shares [F1]	Common Stock (122)	—	—	122	Acquired
June 19, 2014	SREA	Director Stock Option (3/18/2008 - 15,000 shares)	Common Stock (2,500)	$51.27	—	2,500	Disposed
April 4, 2014	SREA	Phantom Shares [F1]	Common Stock (128)	—	—	128	Acquired
Jan. 10, 2014	SREA	Phantom Shares [F1]	Common Stock (136)	—	—	136	Acquired
Oct. 4, 2013	SREA	Phantom Shares [F1]	Common Stock (146)	—	—	146	Acquired
July 12, 2013	SREA	Phantom Shares [F1]	Common Stock (151)	—	—	151	Acquired
May 9, 2013	SREA	Restricted Phantom Shares	Common Stock (733)	—	—	733	Acquired
April 5, 2013	SREA	Phantom Shares [F1]	Common Stock (155)	—	—	155	Acquired
Jan. 11, 2013	SREA	Phantom Shares [F1]	Common Stock (174)	—	—	174	Acquired
Oct. 5, 2012	SREA	Phantom Shares [F1]	Common Stock (186)	—	—	186	Acquired
July 13, 2012	SREA	Phantom Shares [F1]	Common Stock (182)	—	—	182	Acquired
May 10, 2012	SREA	Restricted Phantom Shares [F1]	Common Stock (924)	—	—	924	Acquired
May 2, 2012	BIIB	Stock Option (Right to Buy) [F3]	Common Stock (5,975)	$53.43	June 2, 2019	5,975	Disposed
April 9, 2012	SREA	Phantom Shares [F1]	Common Stock (201)	—	—	201	Acquired
Jan. 13, 2012	SREA	Phantom Shares [F1]	Common Stock (222)	—	—	222	Acquired
Oct. 7, 2011	SREA	Phantom Shares [F1]	Common Stock (244)	—	—	244	Acquired
July 1, 2011	SREA	Phantom Shares [F1]	Common Stock (235)	—	—	235	Acquired
May 13, 2011	SREA	Restricted Phantom Shares [F1]	Common Stock (1,089)	—	—	1,089	Acquired
April 20, 2011	BIIB	Stock Option (Right to Buy)	Common Stock (5,700)	$59.17	June 18, 2018	5,700	Disposed
April 20, 2011	BIIB	Stock Option (Right to Buy)	Common Stock (5,950)	$52.22	May 30, 2017	5,950	Disposed
April 20, 2011	BIIB	Employee Stock Option (Right to Buy) [F4]	Common Stock (3,125)	$46.99	May 24, 2016	3,125	Disposed
April 20, 2011	BIIB	Stock Option (Right to Buy) [F4]	Common Stock (12,500)	$66.29	Jan. 3, 2015	12,500	Disposed
April 20, 2011	BIIB	Stock Option (Right to Buy)	Common Stock (10,000)	$68.15	Jan. 1, 2012	10,000	Disposed
April 8, 2011	SREA	Phantom Shares [F1]	Common Stock (233)	—	—	233	Acquired
Jan. 14, 2011	SREA	Phantom Shares [F1]	Common Stock (239)	—	—	239	Acquired
Dec. 30, 2010	BIIB	Stock Option (Right to Buy)	Common Stock (15,000)	$59.25	Jan. 1, 2011	15,000	Disposed
Oct. 8, 2010	SREA	Phantom Shares [F1]	Common Stock (232)	—	—	232	Acquired
July 2, 2010	SREA	Phantom Shares [F1]	Common Stock (269)	—	—	269	Acquired
May 12, 2010	SREA	Restricted Phantom Shares [F1]	Common Stock (1,272)	—	—	1,272	Acquired
April 9, 2010	SREA	Phantom Shares [F1]	Common Stock (249)	—	—	249	Acquired
Jan. 15, 2010	SREA	Phantom Shares [F1]	Common Stock (237)	—	—	237	Acquired
Oct. 9, 2009	SREA	Phantom Shares [F1]	Common Stock (242)	—	—	242	Acquired
July 2, 2009	SREA	Phantom Shares [F1]	Common Stock (257)	—	—	257	Acquired
June 3, 2009	BIIB	Stock Option (Right to Buy) [F1]	Common Stock (5,975)	$53.43	June 2, 2019	5,975	Acquired
April 30, 2009	SREA	Stock Option [F1]	Common Stock (5,000)	$46.02	—	5,000	Acquired
April 10, 2009	SREA	Phantom Shares [F1]	Common Stock (272)	—	—	272	Acquired
Jan. 2, 2009	SREA	Phantom Shares [F1]	Common Stock (289)	—	—	289	Acquired
Oct. 10, 2008	SREA	Phantom Shares [F1]	Common Stock (348)	—	—	348	Acquired
July 9, 2008	BIIB	Stock Option (rignt to buy)	Common Stock (5,700)	$59.17	June 18, 2018	5,700	Acquired
July 3, 2008	SREA	Phantom Shares [F1]	Common Stock (222)	—	—	222	Acquired
April 11, 2008	SREA	Phantom Shares [F1]	Common Stock (304)	—	—	304	Acquired
March 18, 2008	SREA	Director Stock Option	Common Stock (15,000)	$51.27	—	15,000	Acquired
Oct. 15, 2007	BIIB	Stock Option (right to buy)	Common Stock (12,500)	$36.94	Jan. 1, 2014	12,500	Disposed
Oct. 15, 2007	BIIB	Stock Option (right to buy)	Common Stock (10,000)	$34.34	Jan. 1, 2013	10,000	Disposed
Oct. 15, 2007	BIIB	Stock Option (right to buy)	Common Stock (28,000)	$31.08	Jan. 2, 2010	28,000	Disposed
Oct. 15, 2007	BIIB	Stock Option (right to buy)	Common Stock (12,500)	$47.55	Jan. 9, 2016	12,500	Disposed
May 31, 2007	BIIB	Stock Option (right to buy)	Common Stock (5,950)	$52.22	May 30, 2017	5,950	Acquired
May 25, 2007	BIIB	Restrictecd Stock Unit	Common Stock (1,250)	—	May 25, 2007	1,250	Disposed
May 25, 2006	BIIB	Restricted Stock Units	Common Stock (1,250)	—	—	1,250	Acquired
May 25, 2006	BIIB	Employee Stock Option (right-to-buy) [F1]	Common Stock (3,125)	$46.99	May 24, 2016	3,125	Acquired
Jan. 9, 2006	BIIB	Stock Option (right-to-buy) [F1]	Common Stock (12,500)	$47.55	Jan. 9, 2016	12,500	Acquired
Jan. 25, 2005	BIIB	Stock Option (Right to Buy) [F1]	Common Stock (2,000)	$31.08	Jan. 3, 2010	2,000	Acquired
Jan. 3, 2005	BIIB	Stock Option (right-to-buy) [F1]	Common Stock (12,500)	$66.29	Jan. 3, 2015	12,500	Acquired
Feb. 18, 2004	BIIB	Non-Qualified Stock Option (right to buy) [F1]	Common Stock (22,500)	$3.19	Jan. 1, 2006	22,500	Disposed
Feb. 18, 2004	BIIB	Non-Qualified Stock Option (right to buy) [F1]	Common Stock (10,000)	$3.75	Jan. 1, 2007	10,000	Disposed
Feb. 18, 2004	BIIB	Non-Qualified Stock Option (right to buy) [F1]	Common Stock (20,000)	$3.75	Jan. 1, 2007	20,000	Disposed
Feb. 18, 2004	BIIB	Non-Qualified Stock Option (right to buy) [F1]	Common Stock (30,000)	$5.65	Jan. 1, 2008	30,000	Disposed
Feb. 18, 2004	BIIB	Non-Qualified Stock Option (right to buy) [F1]	Common Stock (30,000)	$7.79	Jan. 3, 2009	30,000	Disposed
Jan. 2, 2004	BIIB	Non-Qualified Stock Option (right to buy) [F1]	Common Stock (12,500)	$36.94	Jan. 1, 2014	12,500	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
March 19, 2008	SREA	Common Stock	2,000	Indirect