Thomas Girschweiler
Insider
First SEC filing: March 3, 2009 · Latest: March 3, 2009
Insider at
Insider transactions
0 buys (P)
0 sells (S)
Net: $0
Price change vs current quote, split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| Nov. 24, 2020 | BLFS | S | 1,600,000 | $22.50 | $36,000,000 | 47,774 Indirect | -97.10% | Disposed | 65.8% (price as of 2026-10-02) |
| March 15, 2016 | BLFS | A | 10,000 | · | · | 10,000 Direct | · | Acquired | (price as of 2026-10-02) |
| May 4, 2015 | BLFS | A | 15,000 | · | · | 15,000 Direct | · | Acquired | (price as of 2026-10-02) |
| March 25, 2014 | BLFS | J | 1,544,194 | · | · | 1,544,194 Indirect | · | Acquired | (price as of 2026-10-02) |
| March 25, 2014 | BLFS | J | 1,544,194 | · | · | 1,544,194 Indirect | · | Acquired | (price as of 2026-10-02) |
| May 30, 2012 | BLFS | A | 1,000,000 | · | · | 3,850,000 Direct | +35.09% | Acquired | (price as of 2026-10-02) |
| May 10, 2012 | BLFS | A | 150,000 | · | · | 2,850,000 Direct | +5.56% | Acquired | (price as of 2026-10-02) |
| Aug. 10, 2011 | BLFS | J | 1,000,000 | · | · | 1,000,000 Direct | · | Acquired | (price as of 2026-10-02) |
| Feb. 11, 2011 | BLFS | A | 150,000 | · | · | 700,000 Direct | +27.27% | Acquired | (price as of 2026-10-02) |
| Nov. 29, 2010 | BLFS | J | 1,000,000 | · | · | 1,000,000 Direct | · | Acquired | (price as of 2026-10-02) |
| Feb. 5, 2010 | BLFS | A | 150,000 | · | · | 550,000 Direct | +37.50% | Acquired | (price as of 2026-10-02) |
| Feb. 27, 2009 | BLFS | A | 150,000 | · | · | 400,000 Direct | +60.00% | Acquired | (price as of 2026-10-02) |
| Feb. 13, 2007 | BLFS | J | 416,666 | · | · | 14,406,552 Direct | +2.98% | Acquired | (price as of 2026-10-02) |
| Feb. 7, 2007 | BLFS | A | 250,000 | · | · | 250,000 Direct | · | Acquired | (price as of 2026-10-02) |
| May 1, 2006 | BLFS | P | 479,999 | $0.06 | $28,800 | 13,989,886 Direct | +3.55% | Acquired | 4340.5% (price as of 2026-10-02) |
| April 14, 2006 | BLFS | M | 250,000 | $0.04 | $10,000 | 12,698,000 Direct | +2.01% | Acquired | 6560.8% (price as of 2026-10-02) |
| April 14, 2006 | BLFS | X | 690,000 | $0.04 | $27,600 | 12,698,060 Direct | +5.75% | Acquired | 6560.8% (price as of 2026-10-02) |
| April 14, 2006 | BLFS | X | 3,125,000 | $0.04 | $125,000 | 12,698,060 Direct | +32.64% | Acquired | 6560.8% (price as of 2026-10-02) |
| April 14, 2006 | BLFS | X | 240,000 | $0.04 | $9,600 | 12,698,060 Direct | +1.93% | Acquired | 6560.8% (price as of 2026-10-02) |
| April 14, 2006 | BLFS | X | 1,000,000 | $0.04 | $40,000 | 12,698,060 Direct | +8.55% | Acquired | 6560.8% (price as of 2026-10-02) |
| April 14, 2006 | BLFS | X | 400,000 | $0.04 | $16,000 | 12,698,060 Direct | +3.25% | Acquired | 6560.8% (price as of 2026-10-02) |
| April 14, 2006 | BLFS | X | 500,000 | $0.04 | $20,000 | 12,698,060 Direct | +4.10% | Acquired | 6560.8% (price as of 2026-10-02) |
| April 14, 2006 | BLFS | X | 500,000 | $0.04 | $20,000 | 12,698,060 Direct | +4.10% | Acquired | 6560.8% (price as of 2026-10-02) |
| April 14, 2006 | BLFS | C | 1,380,000 | $0.25 | $345,000 | 12,698,060 Direct | +12.19% | Acquired | 965.7% (price as of 2026-10-02) |
| April 14, 2006 | BLFS | C | 3,125,000 | $0.08 | $250,000 | 12,698,060 Direct | +32.64% | Acquired | 3230.4% (price as of 2026-10-02) |
| April 14, 2006 | BLFS | M | 250,000 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| April 14, 2006 | BLFS | X | 690,000 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| April 14, 2006 | BLFS | X | 3,125,000 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| April 14, 2006 | BLFS | X | 240,000 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| April 14, 2006 | BLFS | X | 1,000,000 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| April 14, 2006 | BLFS | X | 400,000 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| April 14, 2006 | BLFS | X | 500,000 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| April 14, 2006 | BLFS | X | 500,000 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| April 14, 2006 | BLFS | C | 3,450 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| April 14, 2006 | BLFS | C | 10 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| Dec. 31, 2005 | BLFS | P | 1,761,827 | $0.12 | $211,419 | 2,299,887 Direct | +327.44% | Acquired | 2120.3% (price as of 2026-10-02) |
| March 25, 2005 | BLFS | A | 250,000 | · | · | 250,000 Direct | · | Acquired | (price as of 2026-10-02) |
| Jan. 15, 2004 | BLFS | P | 10 | · | · | 10 Direct | · | Acquired | (price as of 2026-10-02) |
| Jan. 15, 2004 | BLFS | P | 10 | · | · | 10 Direct | · | Acquired | (price as of 2026-10-02) |
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 15, 2016 | BLFS | Stock Option (Right to Buy) | Common Stock | $1.90 | March 15, 2026 | 10,000 | Acquired |
| May 4, 2015 | BLFS | Stock Option (Right to Buy) | Common Stock | $2.06 | May 4, 2025 | 15,000 | Acquired |
| March 25, 2014 | BLFS | Common Stock Warrants | Common Stock | $4.75 | March 25, 2021 | 1,544,194 | Acquired |
| May 30, 2012 | BLFS | Stock Option (right to buy) | Common Stock | $0.08 | May 30, 2017 | 1,000,000 | Acquired |
| May 10, 2012 | BLFS | Stock Option (right to buy) | Common Stock | $0.08 | May 9, 2022 | 150,000 | Acquired |
| Aug. 10, 2011 | BLFS | Common Share Warrants | Common Shares | $0.06 | Aug. 30, 2016 | 1,000,000 | Acquired |
| Feb. 11, 2011 | BLFS | Stock Option (right to buy) | Common Stock | $0.08 | Feb. 10, 2021 | 150,000 | Acquired |
| Nov. 29, 2010 | BLFS | Common Share Warrants | Common Shares | $0.07 | Nov. 29, 2015 | 1,000,000 | Acquired |
| Feb. 5, 2010 | BLFS | Stock Option (Right to Buy) | Common Stock | $0.10 | Feb. 4, 2020 | 150,000 | Acquired |
| Feb. 27, 2009 | BLFS | Stock option (right to buy) | Common Stock | $0.09 | Feb. 26, 2019 | 150,000 | Acquired |
| Feb. 7, 2007 | BLFS | Stock Option (right to buy) | Common Stock | $0.08 | Feb. 6, 2017 | 250,000 | Acquired |
| April 14, 2006 | BLFS | Stock Option (right to buy) | Common Stock | $0.04 | Sept. 28, 2015 | 250,000 | Disposed |
| April 14, 2006 | BLFS | Warrant (right to buy) | Common Stock | $0.04 | Oct. 10, 2006 | 690,000 | Disposed |
| April 14, 2006 | BLFS | Warrant (right to buy) | Common Stock | $0.04 | Nov. 20, 2013 | 3,125,000 | Disposed |
| April 14, 2006 | BLFS | Warrant (right to buy) | Common Stock | $0.04 | Oct. 16, 2006 | 240,000 | Disposed |
| April 14, 2006 | BLFS | Warrant (right to buy) | Common Stock | $0.04 | March 19, 2007 | 1,000,000 | Disposed |
| April 14, 2006 | BLFS | Warrant (right to buy) | Common Stock | $0.04 | May 10, 2007 | 400,000 | Disposed |
| April 14, 2006 | BLFS | Warrant (right to buy) | Common Stock | $0.04 | March 29, 2008 | 500,000 | Disposed |
| April 14, 2006 | BLFS | Warrant (right to buy) | Common Stock | $0.04 | May 2, 2008 | 500,000 | Disposed |
| April 14, 2006 | BLFS | Series F Convertible Preferred Stock | Common Stock | · | · | 3,450 | Disposed |
| April 14, 2006 | BLFS | Series G Convertible Preferred Stock | Common Stock | · | · | 10 | Disposed |
| March 25, 2005 | BLFS | Stock Option (right to buy) | Common Stock | $0.08 | May 12, 2015 | 250,000 | Acquired |
| Jan. 15, 2004 | BLFS | Series G Convertible Preferred Stock | Common Stock | · | · | 10 | Acquired |
| Jan. 15, 2004 | BLFS | Common Stock Warrants (right to buy) | Common Stock | $0.08 | Oct. 31, 2013 | 10 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).