Walter Villiger

Insider

First SEC filing: April 29, 2013 · Latest: April 29, 2013

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

BLFS buying Oct. 30, 2014

Insider transactions

0 buys (P) 0 sells (S) Net: $0 + 17 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

17 other filings hidden

Date	Ticker	Code	Shares	Price	Value	Owned after	Δ own	A/D	vs now
Oct. 30, 2014	BLFS	P	23,744	$2.17	$51,524	2,158,924 Indirect	+1.11%	Acquired	1590.3% (price as of 2026-08-20)
Oct. 10, 2014	BLFS	P	33,648	$2.18	$73,353	2,135,180 Indirect	+1.60%	Acquired	1582.6% (price as of 2026-08-20)
Oct. 7, 2014	BLFS	P	66,352	$2.17	$143,984	2,101,532 Indirect	+3.26%	Acquired	1590.3% (price as of 2026-08-20)
Sept. 23, 2014	BLFS	P	4,000	$2.37	$9,480	2,035,180 Indirect	+0.20%	Acquired	1447.7% (price as of 2026-08-20)
Sept. 16, 2014	BLFS	P	60,174	$2.42	$145,621	2,031,180 Indirect	+3.05%	Acquired	1415.7% (price as of 2026-08-20)
Sept. 8, 2014	BLFS	P	25,826	$2.38	$61,466	1,971,006 Indirect	+1.33%	Acquired	1441.2% (price as of 2026-08-20)
Sept. 1, 2014	BLFS	P	10,000	$2.34	$23,400	1,945,180 Indirect	+0.52%	Acquired	1467.5% (price as of 2026-08-20)
July 24, 2014	BLFS	P	44,197	$2.45	$108,283	1,935,180 Indirect	+2.34%	Acquired	1397.1% (price as of 2026-08-20)
July 18, 2014	BLFS	P	100,000	$2.46	$246,000	1,890,983 Indirect	+5.58%	Acquired	1391.1% (price as of 2026-08-20)
July 11, 2014	BLFS	P	600	$2.33	$1,398	1,790,983 Indirect	+0.03%	Acquired	1474.2% (price as of 2026-08-20)
July 10, 2014	BLFS	P	6,572	$2.31	$15,181	1,790,383 Indirect	+0.37%	Acquired	1487.9% (price as of 2026-08-20)
July 9, 2014	BLFS	P	6,600	$2.30	$15,180	1,783,811 Indirect	+0.37%	Acquired	1494.8% (price as of 2026-08-20)
March 25, 2014	BLFS	J	1,777,211	—	—	1,777,211 Indirect	—	Acquired	(price as of 2026-08-20)
March 25, 2014	BLFS	J	1,777,211	—	—	1,777,211 Indirect	—	Acquired	(price as of 2026-08-20)
May 30, 2012	BLFS	J	1,000,000	—	—	1,000,000 Direct	—	Acquired	(price as of 2026-08-20)
Aug. 10, 2011	BLFS	J	1,000,000	—	—	1,000,000 Direct	—	Acquired	(price as of 2026-08-20)
Nov. 29, 2010	BLFS	J	1,000,000	—	—	1,000,000 Direct	—	Acquired	(price as of 2026-08-20)
Feb. 13, 2007	BLFS	J	416,666	—	—	19,240,081 Direct	+2.21%	Acquired	(price as of 2026-08-20)
May 1, 2006	BLFS	C	2,000,000	—	—	4,760,474 Direct	+72.45%	Acquired	(price as of 2026-08-20)
May 1, 2006	BLFS	C	5,625,000	—	—	10,385,474 Direct	+118.16%	Acquired	(price as of 2026-08-20)
May 1, 2006	BLFS	X	1,000,000	$0.04	$40,000	11,385,474 Direct	+9.63%	Acquired	6450.0% (price as of 2026-08-20)
May 1, 2006	BLFS	X	5,625,000	$0.04	$225,000	17,010,474 Direct	+49.41%	Acquired	6450.0% (price as of 2026-08-20)
May 1, 2006	BLFS	X	750,000	$0.04	$30,000	17,760,474 Direct	+4.41%	Acquired	6450.0% (price as of 2026-08-20)
May 1, 2006	BLFS	P	1,062,941	$0.06	$63,776	18,823,415 Direct	+5.98%	Acquired	4266.7% (price as of 2026-08-20)
May 1, 2006	BLFS	X	750,000	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
May 1, 2006	BLFS	C	5,000	$200.01	$1,000,050	0 Direct	-100.00%	Disposed	-98.7% (price as of 2026-08-20)
May 1, 2006	BLFS	X	2,500	$200.01	$500,025	0 Direct	-100.00%	Disposed	-98.7% (price as of 2026-08-20)
May 1, 2006	BLFS	C	18	$25000.00	$450,000	0 Direct	-100.00%	Disposed	-100.0% (price as of 2026-08-20)
May 1, 2006	BLFS	X	18	$25000.00	$450,000	0 Direct	-100.00%	Disposed	-100.0% (price as of 2026-08-20)
Dec. 31, 2005	BLFS	P	2,360,474	$0.12	$283,257	2,760,474 Direct	+590.12%	Acquired	2083.3% (price as of 2026-08-20)
Jan. 13, 2004	BLFS	P	18	—	—	18 Direct	—	Acquired	(price as of 2026-08-20)
Jan. 13, 2004	BLFS	P	18	—	—	18 Direct	—	Acquired	(price as of 2026-08-20)
May 23, 2003	BLFS	J	750,000	—	—	750,000 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
March 25, 2014	BLFS	Common Stock Warrants	Common Stock (1,777,211)	$4.75	March 25, 2021	1,777,211	Acquired
May 30, 2012	BLFS	Common Share Warrants	Common Shares (1,000,000)	$0.08	May 30, 2017	1,000,000	Acquired
Aug. 10, 2011	BLFS	Common Share Warrants	Common Shares (1,000,000)	$0.06	Aug. 30, 2016	1,000,000	Acquired
Nov. 29, 2010	BLFS	Common Share Warrants	Common Shares (1,000,000)	$0.07	Nov. 29, 2015	1,000,000	Acquired
May 1, 2006	BLFS	Common Share Warrants	Common Stock (750,000)	—	May 23, 2008	750,000	Disposed
May 1, 2006	BLFS	Series F Preferred Shares	Common Stock (2,000,000)	—	—	5,000	Disposed
May 1, 2006	BLFS	Series F Preferred Warrants	Common Stock (1,000,000)	—	Oct. 31, 2006	2,500	Disposed
May 1, 2006	BLFS	Series G Preferred Shares	Common Stock (5,625,000)	—	—	18	Disposed
May 1, 2006	BLFS	Series G Preferred Warrants	Common Stock (5,625,000)	—	Oct. 31, 2013	18	Disposed
Jan. 13, 2004	BLFS	Common Stock Warrants (right to buy)	Common Stock (5,625,000)	$0.08	Oct. 31, 2013	18	Acquired
Jan. 13, 2004	BLFS	Series G Convertible Preferred Stock	Common Stock (5,625,000)	—	—	18	Acquired
May 23, 2003	BLFS	Common Share Warrants	Common Stock (750,000)	$0.08	May 23, 2008	750,000	Acquired

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

Initial ownership (Form 3) 3 holdings

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

Date	Ticker	Security	Shares	Ownership
April 29, 2013	BLFS	Common Stock	400,000	Direct
April 29, 2013	BLFS	Series F Preferred Shares [F1]→ Common Shares (2,000,000)	2,000,000	Direct
April 29, 2013	BLFS	Series F Warrants [F1]→ Common Shares (1,000,000)	1,000,000	Direct