Steven H Holtzman

Insider

First SEC filing: Oct. 10, 2024 · Latest: June 12, 2026

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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 + 55 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

55 other filings hidden

Date	Ticker	Code	Shares	Price	Value	Owned after	Δ own	A/D	vs now
June 10, 2026	CAMP	A	28,000	—	—	28,000 Direct	—	Acquired	(price as of 2026-08-21)
Oct. 15, 2024	CAMP	C	100,014	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-21)
Oct. 15, 2024	CAMP	C	8,917	—	—	108,946 Direct	+8.91%	Acquired	(price as of 2026-08-21)
Feb. 23, 2016	BIIB	J	1,149	—	—	3,462 Direct	-24.92%	Disposed	(price as of 2026-08-21)
Feb. 23, 2016	BIIB	M	579	—	—	4,611 Direct	-11.16%	Disposed	(price as of 2026-08-21)
Feb. 23, 2016	BIIB	F	273	$258.99	$70,704	8,326 Direct	-3.17%	Disposed	-16.7% (price as of 2026-08-21)
Feb. 23, 2016	BIIB	M	579	—	—	8,599 Direct	+7.22%	Acquired	(price as of 2026-08-21)
Feb. 12, 2016	BIIB	J	1,394	—	—	2,448 Direct	-36.28%	Disposed	(price as of 2026-08-21)
Feb. 12, 2016	BIIB	M	2,142	—	—	2,147 Direct	-49.94%	Disposed	(price as of 2026-08-21)
Feb. 12, 2016	BIIB	M	1,052	—	—	3,842 Direct	-21.50%	Disposed	(price as of 2026-08-21)
Feb. 12, 2016	BIIB	F	819	$247.22	$202,473	8,020 Direct	-9.27%	Disposed	-12.8% (price as of 2026-08-21)
Feb. 12, 2016	BIIB	M	2,142	—	—	8,839 Direct	+31.98%	Acquired	(price as of 2026-08-21)
Feb. 12, 2016	BIIB	F	495	$247.22	$122,374	6,697 Direct	-6.88%	Disposed	-12.8% (price as of 2026-08-21)
Feb. 12, 2016	BIIB	M	1,052	—	—	7,192 Direct	+17.13%	Acquired	(price as of 2026-08-21)
Feb. 8, 2016	BIIB	M	2,709	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-21)
Feb. 8, 2016	BIIB	F	890	$250.77	$223,185	6,140 Direct	-12.66%	Disposed	-14.0% (price as of 2026-08-21)
Feb. 8, 2016	BIIB	M	2,709	—	—	7,030 Direct	+62.69%	Acquired	(price as of 2026-08-21)
Feb. 23, 2015	BIIB	A	5,190	—	—	5,190 Direct	—	Acquired	(price as of 2026-08-21)
Feb. 17, 2015	BIIB	S 10b5-1	2,128	$389.11	$828,026	4,321 Direct	-33.00%	Disposed	-44.6% (price as of 2026-08-21)
Feb. 12, 2015	BIIB	J	954	—	—	4,894 Direct	-16.31%	Disposed	(price as of 2026-08-21)
Feb. 12, 2015	BIIB	M	1,492	—	—	5,848 Direct	-20.33%	Disposed	(price as of 2026-08-21)
Feb. 12, 2015	BIIB	M	2,142	—	—	4,289 Direct	-33.31%	Disposed	(price as of 2026-08-21)
Feb. 12, 2015	BIIB	F	703	$392.11	$275,653	6,449 Direct	-9.83%	Disposed	-45.0% (price as of 2026-08-21)
Feb. 12, 2015	BIIB	M	1,492	—	—	7,152 Direct	+26.36%	Acquired	(price as of 2026-08-21)
Feb. 12, 2015	BIIB	F	1,009	$392.11	$395,639	5,660 Direct	-15.13%	Disposed	-45.0% (price as of 2026-08-21)
Feb. 12, 2015	BIIB	M	2,142	—	—	6,669 Direct	+47.32%	Acquired	(price as of 2026-08-21)
Feb. 8, 2015	BIIB	M	2,705	—	—	2,709 Direct	-49.96%	Disposed	(price as of 2026-08-21)
Feb. 8, 2015	BIIB	F	1,275	$402.00	$512,550	4,527 Direct	-21.98%	Disposed	-46.4% (price as of 2026-08-21)
Feb. 8, 2015	BIIB	M	2,705	—	—	5,802 Direct	+87.34%	Acquired	(price as of 2026-08-21)
Feb. 1, 2015	BIIB	M	5,157	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-21)
Feb. 1, 2015	BIIB	F	2,060	$389.16	$801,670	3,097 Direct	-39.95%	Disposed	-44.6% (price as of 2026-08-21)
Feb. 1, 2015	BIIB	M	5,157	—	—	5,157 Direct	—	Acquired	(price as of 2026-08-21)
Dec. 2, 2014	BIIB	S 10b5-1	1,749	$335.65	$587,052	0 Direct	-100.00%	Disposed	-35.8% (price as of 2026-08-21)
Nov. 11, 2014	BIIB	S 10b5-1	1,750	$330.00	$577,500	1,749 Direct	-50.01%	Disposed	-34.7% (price as of 2026-08-21)
Oct. 1, 2014	BIIB	S 10b5-1	1,750	$330.97	$579,198	3,499 Direct	-33.34%	Disposed	-34.8% (price as of 2026-08-21)
Sept. 18, 2014	BIIB	G	500	—	—	5,249 Direct	-8.70%	Disposed	(price as of 2026-08-21)
May 19, 2014	BIIB	S 10b5-1	1,221	$289.15	$353,052	5,749 Direct	-17.52%	Disposed	-25.4% (price as of 2026-08-21)
April 17, 2014	BIIB	S 10b5-1	1,221	$291.00	$355,311	6,970 Direct	-14.91%	Disposed	-25.9% (price as of 2026-08-21)
March 17, 2014	BIIB	S 10b5-1	1,221	$334.83	$408,827	8,191 Direct	-12.97%	Disposed	-35.6% (price as of 2026-08-21)
Feb. 18, 2014	BIIB	S 10b5-1	1,222	$327.90	$400,694	9,412 Direct	-11.49%	Disposed	-34.2% (price as of 2026-08-21)
Feb. 12, 2014	BIIB	A	7,340	—	—	7,340 Direct	—	Acquired	(price as of 2026-08-21)
Feb. 12, 2014	BIIB	M	2,142	—	—	6,431 Direct	-24.99%	Disposed	(price as of 2026-08-21)
Feb. 12, 2014	BIIB	F	1,010	$323.04	$326,270	10,634 Direct	-8.67%	Disposed	-33.2% (price as of 2026-08-21)
Feb. 12, 2014	BIIB	M	2,142	—	—	11,644 Direct	+22.54%	Acquired	(price as of 2026-08-21)
Feb. 8, 2014	BIIB	M	2,705	—	—	5,414 Direct	-33.32%	Disposed	(price as of 2026-08-21)
Feb. 8, 2014	BIIB	F	1,276	$315.54	$402,629	9,502 Direct	-11.84%	Disposed	-31.7% (price as of 2026-08-21)
Feb. 8, 2014	BIIB	M	2,705	—	—	10,778 Direct	+33.51%	Acquired	(price as of 2026-08-21)
Feb. 1, 2014	BIIB	M	5,159	—	—	5,157 Direct	-50.01%	Disposed	(price as of 2026-08-21)
Feb. 1, 2014	BIIB	F	1,971	$312.64	$616,213	8,073 Direct	-19.62%	Disposed	-31.0% (price as of 2026-08-21)
Feb. 1, 2014	BIIB	M	5,159	—	—	10,044 Direct	+105.61%	Acquired	(price as of 2026-08-21)
Sept. 17, 2013	BIIB	S 10b5-1	3,501	$238.98	$836,669	4,885 Direct	-41.75%	Disposed	-9.8% (price as of 2026-08-21)
Feb. 12, 2013	BIIB	A	8,573	—	—	8,573 Direct	—	Acquired	(price as of 2026-08-21)
Feb. 8, 2013	BIIB	J	361	—	—	8,119 Direct	-4.26%	Disposed	(price as of 2026-08-21)
Feb. 8, 2013	BIIB	M	2,344	—	—	8,480 Direct	-21.66%	Disposed	(price as of 2026-08-21)
Feb. 8, 2013	BIIB	F	940	$164.44	$154,574	8,386 Direct	-10.08%	Disposed	31.1% (price as of 2026-08-21)
Feb. 8, 2013	BIIB	M	2,344	—	—	9,326 Direct	+33.57%	Acquired	(price as of 2026-08-21)
Feb. 1, 2013	BIIB	M	5,159	—	—	10,316 Direct	-33.34%	Disposed	(price as of 2026-08-21)
Feb. 1, 2013	BIIB	F	1,678	$157.30	$263,949	6,982 Direct	-19.38%	Disposed	37.1% (price as of 2026-08-21)
Feb. 1, 2013	BIIB	M	5,159	—	—	8,660 Direct	+147.36%	Acquired	(price as of 2026-08-21)
Feb. 8, 2012	BIIB	A	10,824	—	—	10,824 Direct	—	Acquired	(price as of 2026-08-21)
Feb. 1, 2012	BIIB	M	5,159	—	—	15,475 Direct	-25.00%	Disposed	(price as of 2026-08-21)
Feb. 1, 2012	BIIB	F	1,658	$121.26	$201,049	3,501 Direct	-32.14%	Disposed	77.8% (price as of 2026-08-21)
Feb. 1, 2012	BIIB	M	5,159	—	—	5,159 Direct	—	Acquired	(price as of 2026-08-21)
Feb. 1, 2011	BIIB	A	20,634	—	—	20,634 Direct	—	Acquired	(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
June 10, 2026	CAMP	Stock Option (Right to Buy)	Common Stock (28,000)	$4.34	June 9, 2036	28,000	Acquired
Oct. 15, 2024	CAMP	Series A Prime Preferred Stock	Common Stock (8,917)	—	—	100,014	Disposed
Feb. 23, 2016	BIIB	Restricted Stock Unit	Common Stock (1,149)	$0.00	Feb. 23, 2018	1,149	Disposed
Feb. 23, 2016	BIIB	Restricted Stock Unit	Common Stock (579)	$0.00	Feb. 23, 2018	579	Disposed
Feb. 12, 2016	BIIB	Restricted Stock Unit	Common Stock (1,394)	$0.00	Feb. 12, 2017	1,394	Disposed
Feb. 12, 2016	BIIB	Restricted Stock Unit	Common Stock (2,142)	$0.00	Feb. 12, 2017	2,142	Disposed
Feb. 12, 2016	BIIB	Restricted Stock Unit	Common Stock (1,052)	$0.00	Feb. 12, 2017	1,052	Disposed
Feb. 8, 2016	BIIB	Restricted Stock Unit	Common Stock (2,709)	$0.00	Feb. 8, 2016	2,709	Disposed
Feb. 23, 2015	BIIB	Restricted Stock Unit	Common Stock (5,190)	$0.00	Feb. 23, 2018	5,190	Acquired
Feb. 12, 2015	BIIB	Restricted Stock Unit	Common Stock (954)	$0.00	Feb. 12, 2017	954	Disposed
Feb. 12, 2015	BIIB	Restricted Stock Unit	Common Stock (1,492)	$0.00	Feb. 12, 2017	1,492	Disposed
Feb. 12, 2015	BIIB	Restricted Stock Unit	Common Stock (2,142)	$0.00	Feb. 12, 2017	2,142	Disposed
Feb. 8, 2015	BIIB	Restricted Stock Unit	Common Stock (2,705)	$0.00	Feb. 8, 2016	2,705	Disposed
Feb. 1, 2015	BIIB	Restricted Stock Unit	Common Stock (5,157)	—	Feb. 1, 2015	5,157	Disposed
Feb. 12, 2014	BIIB	Restricted Stock Unit	Common Stock (7,340)	$0.00	Feb. 12, 2017	7,340	Acquired
Feb. 12, 2014	BIIB	Restricted Stock Unit	Common Stock (2,142)	$0.00	Feb. 12, 2017	2,142	Disposed
Feb. 8, 2014	BIIB	Restricted Stock Unit	Common Stock (2,705)	$0.00	Feb. 8, 2016	2,705	Disposed
Feb. 1, 2014	BIIB	Restricted Stock Unit	Common Stock (5,159)	—	Feb. 1, 2015	5,159	Disposed
Feb. 12, 2013	BIIB	Restricted Stock Unit	Common Stock (8,573)	$0.00	Feb. 12, 2017	8,573	Acquired
Feb. 8, 2013	BIIB	Restricted Stock Unit	Common Stock (361)	$0.00	Feb. 8, 2016	361	Disposed
Feb. 8, 2013	BIIB	Restricted Stock Unit	Common Stock (2,344)	$0.00	Feb. 8, 2016	2,344	Disposed
Feb. 1, 2013	BIIB	Restricted Stock Unit	Common Stock (5,159)	—	Feb. 1, 2015	5,159	Disposed
Feb. 8, 2012	BIIB	Restricted Stock Unit	Common Stock (10,824)	$0.00	Feb. 8, 2016	10,824	Acquired
Feb. 1, 2012	BIIB	Restricted Stock Unit	Common Stock (5,159)	—	Feb. 1, 2015	5,159	Disposed
Feb. 1, 2011	BIIB	Restricted Stock Unit	Common Stock (20,634)	—	Feb. 1, 2015	20,634	Acquired

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

Initial ownership (Form 3) 4 holdings

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

Date	Ticker	Security	Shares	Ownership
Oct. 10, 2024	CAMP	Common Stock	100,029	Direct
Oct. 10, 2024	CAMP	Series A Prime Preferred Stock→ Common Stock (8,917)	8,917	Direct
Oct. 10, 2024	CAMP	Stock Option (Right to Buy)→ Common Stock (87,571)	87,571	Direct
Jan. 11, 2011	BIIB	Common Stock	0	Direct