Michael Weiser
Insider
First SEC filing: March 19, 2018 · Latest: March 19, 2018
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 |
|---|---|---|---|---|---|---|---|---|---|
| June 16, 2026 | IOVA | A | 90,316 | · | · | 90,316 Direct | · | Acquired | (price as of 2026-10-02) |
| June 13, 2025 | IOVA | A | 67,546 | · | · | 67,546 Direct | · | Acquired | (price as of 2026-10-02) |
| June 11, 2024 | IOVA | A | 49,303 | · | · | 49,303 Direct | · | Acquired | (price as of 2026-10-02) |
| March 1, 2024 | IOVA | A | 100,000 | · | · | 100,000 Direct | · | Acquired | (price as of 2026-10-02) |
| June 6, 2023 | IOVA | A | 51,955 | · | · | 51,955 Direct | · | Acquired | (price as of 2026-10-02) |
| June 10, 2022 | IOVA | A | 51,204 | · | · | 51,204 Direct | · | Acquired | (price as of 2026-10-02) |
| May 31, 2022 | IOVA | P | 7,813 | $6.80 | $53,128 | 112,632 Direct | +7.45% | Acquired | 109.0% (price as of 2026-10-02) |
| May 31, 2022 | IOVA | P | 2,187 | $6.79 | $14,850 | 104,819 Direct | +2.13% | Acquired | 109.4% (price as of 2026-10-02) |
| June 29, 2021 | IOVA | A | 35,000 | · | · | 35,000 Direct | · | Acquired | (price as of 2026-10-02) |
| June 8, 2020 | IOVA | A | 35,000 | · | · | 35,000 Direct | · | Acquired | (price as of 2026-10-02) |
| June 10, 2019 | IOVA | A | 50,000 | · | · | 50,000 Direct | · | Acquired | (price as of 2026-10-02) |
| July 17, 2018 | IOVA | A | 35,000 | · | · | 35,000 Direct | · | Acquired | (price as of 2026-10-02) |
| March 15, 2018 | IOVA | A | 50,000 | · | · | 50,000 Direct | · | Acquired | (price as of 2026-10-02) |
| Dec. 30, 2017 | TCRT | F | 6,021 | $4.14 | $24,927 | 224,282 Direct | -2.61% | Disposed | -99.9% (price as of 2026-10-02) |
| Dec. 29, 2017 | TCRT | A | 17,258 | · | · | 230,303 Direct | +8.10% | Acquired | (price as of 2026-10-02) |
| Dec. 8, 2017 | TCRT | M | 20,000 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| Dec. 8, 2017 | TCRT | F | 12,325 | $4.43 | $54,600 | 213,045 Direct | -5.47% | Disposed | -99.9% (price as of 2026-10-02) |
| Dec. 8, 2017 | TCRT | M | 20,000 | $2.73 | $54,600 | 225,370 Direct | +9.74% | Acquired | -99.8% (price as of 2026-10-02) |
| June 12, 2017 | TCRT | M | 15,000 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| June 12, 2017 | TCRT | F | 13,300 | $5.47 | $72,751 | 205,370 Direct | -6.08% | Disposed | -99.9% (price as of 2026-10-02) |
| June 12, 2017 | TCRT | M | 15,000 | $4.85 | $72,750 | 218,670 Direct | +7.36% | Acquired | -99.9% (price as of 2026-10-02) |
| Dec. 31, 2016 | TCRT | F | 9,331 | $5.35 | $49,921 | 203,670 Direct | -4.38% | Disposed | -99.9% (price as of 2026-10-02) |
| Dec. 30, 2016 | TCRT | A | 17,204 | · | · | 213,001 Direct | +8.79% | Acquired | (price as of 2026-10-02) |
| April 19, 2016 | TCRT | M | 15,000 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| April 19, 2016 | TCRT | F | 10,751 | $8.88 | $95,469 | 195,797 Direct | -5.21% | Disposed | -99.9% (price as of 2026-10-02) |
| April 19, 2016 | TCRT | M | 15,000 | $5.01 | $75,150 | 206,548 Direct | +7.83% | Acquired | -99.9% (price as of 2026-10-02) |
| Dec. 31, 2015 | TCRT | A | 26,661 | · | · | 191,548 Direct | +16.17% | Acquired | (price as of 2026-10-02) |
| Dec. 31, 2015 | TCRT | F | 2,047 | $8.31 | $17,011 | 164,887 Direct | -1.23% | Disposed | -99.9% (price as of 2026-10-02) |
| Dec. 31, 2014 | TCRT | A | 25,000 | · | · | 25,000 Direct | · | Acquired | (price as of 2026-10-02) |
| Dec. 31, 2014 | TCRT | F | 2,047 | $5.07 | $10,378 | 166,934 Direct | -1.21% | Disposed | -99.9% (price as of 2026-10-02) |
| Dec. 30, 2014 | TCRT | F | 2,051 | $5.03 | $10,317 | 168,981 Direct | -1.20% | Disposed | -99.9% (price as of 2026-10-02) |
| Dec. 31, 2013 | TCRT | A | 25,000 | · | · | 25,000 Direct | · | Acquired | (price as of 2026-10-02) |
| Dec. 31, 2013 | TCRT | F | 5,854 | $4.34 | $25,406 | 171,032 Direct | -3.31% | Disposed | -99.9% (price as of 2026-10-02) |
| Dec. 31, 2012 | TCRT | F | 1,904 | $4.21 | $8,016 | 176,886 Direct | -1.06% | Disposed | -99.9% (price as of 2026-10-02) |
| Dec. 31, 2012 | TCRT | A | 17,546 | · | · | 178,790 Direct | +10.88% | Acquired | (price as of 2026-10-02) |
| May 31, 2012 | TCRT | X | 35,566 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| May 31, 2012 | TCRT | J | 27,844 | $5.02 | $139,777 | 161,244 Direct | -14.73% | Disposed | -99.9% (price as of 2026-10-02) |
| May 31, 2012 | TCRT | X | 35,566 | $3.93 | $139,774 | 189,088 Direct | +23.17% | Acquired | -99.9% (price as of 2026-10-02) |
| Dec. 30, 2011 | TCRT | A | 17,577 | · | · | 153,522 Direct | +12.93% | Acquired | (price as of 2026-10-02) |
| May 25, 2011 | TCRT | S | 15,000 | $6.53 | $97,950 | 135,945 Direct | -9.94% | Disposed | -99.9% (price as of 2026-10-02) |
| Dec. 31, 2010 | TCRT | A | 30,000 | · | · | 30,000 Direct | · | Acquired | (price as of 2026-10-02) |
| March 31, 2010 | TCRT | A | 15,000 | · | · | 15,000 Direct | · | Acquired | (price as of 2026-10-02) |
| March 31, 2010 | TCRT | A | 15,000 | · | · | 150,945 Direct | +11.03% | Acquired | (price as of 2026-10-02) |
| March 8, 2010 | TGTX | J | 44,678 | · | · | 2,292,241 Direct | +1.99% | Acquired | (price as of 2026-10-02) |
| March 3, 2010 | TGTX | A | 250,000 | · | · | 250,000 Direct | · | Acquired | (price as of 2026-10-02) |
| Dec. 31, 2009 | TCRT | A | 7,500 | · | · | 7,500 Direct | · | Acquired | (price as of 2026-10-02) |
| Dec. 31, 2009 | TCRT | A | 7,500 | · | · | 135,945 Direct | +5.84% | Acquired | (price as of 2026-10-02) |
| Sept. 23, 2009 | TCRT | A | 30,000 | · | · | 128,445 Direct | +30.47% | Acquired | (price as of 2026-10-02) |
| May 13, 2009 | TCRT | A | 15,000 | · | · | 15,000 Direct | · | Acquired | (price as of 2026-10-02) |
| Dec. 3, 2008 | TCRT | A | 15,000 | $0.83 | $12,450 | 98,445 Direct | +17.98% | Acquired | -99.3% (price as of 2026-10-02) |
| Sept. 11, 2008 | TGTX | A | 24,000 | · | · | 24,000 Direct | · | Acquired | (price as of 2026-10-02) |
| March 25, 2008 | TGTX | A | 75,000 | · | · | 75,000 Direct | · | Acquired | (price as of 2026-10-02) |
| Dec. 12, 2007 | TCRT | A | 20,000 | · | · | 20,000 Direct | · | Acquired | (price as of 2026-10-02) |
| Aug. 1, 2007 | TGTX | A | 10,000 | $0.26 | $2,600 | 2,247,563 Direct | +0.45% | Acquired | -92.6% (price as of 2026-10-02) |
| July 16, 2007 | TGTX | A | 10,000 | $0.33 | $3,300 | 2,237,563 Direct | +0.45% | Acquired | -94.2% (price as of 2026-10-02) |
| July 12, 2007 | TGTX | A | 10,000 | $0.38 | $3,800 | 2,227,563 Direct | +0.45% | Acquired | -94.9% (price as of 2026-10-02) |
| June 18, 2007 | TCRT | A | 15,000 | · | · | 15,000 Direct | · | Acquired | (price as of 2026-10-02) |
| Jan. 30, 2007 | TGTX | A | 50,000 | · | · | 50,000 Direct | · | Acquired | (price as of 2026-10-02) |
| Jan. 30, 2007 | TGTX | A | 4,225 | · | · | 2,217,563 Direct | +0.19% | Acquired | (price as of 2026-10-02) |
| Dec. 13, 2006 | TCRT | A | 15,000 | · | · | 15,000 Direct | · | Acquired | (price as of 2026-10-02) |
| July 12, 2006 | TGTX | P | 3,200 | $0.75 | $2,400 | 2,213,338 Direct | +0.14% | Acquired | -97.4% (price as of 2026-10-02) |
| July 12, 2006 | TGTX | P | 1,800 | $0.72 | $1,296 | 2,210,138 Direct | +0.08% | Acquired | -97.3% (price as of 2026-10-02) |
| May 3, 2006 | TCRT | J | 18,319 | · | · | 18,319 Direct | · | Acquired | (price as of 2026-10-02) |
| April 26, 2006 | TCRT | A | 15,000 | · | · | 15,000 Direct | · | Acquired | (price as of 2026-10-02) |
| Feb. 1, 2006 | TGTX | J | 24,099 | · | · | 24,099 Direct | · | Acquired | (price as of 2026-10-02) |
| Sept. 13, 2005 | TCRT | J | 83,445 | · | · | 83,445 Direct | · | Acquired | (price as of 2026-10-02) |
| Sept. 13, 2005 | TCRT | J | 35,566 | · | · | 35,566 Direct | · | Acquired | (price as of 2026-10-02) |
| Sept. 13, 2005 | TCRT | J | 15,029 | · | · | 15,029 Direct | · | Acquired | (price as of 2026-10-02) |
| April 1, 2005 | TGTX | A | 851,778 | · | · | 2,208,338 Direct | +62.79% | Acquired | (price as of 2026-10-02) |
| Jan. 11, 2005 | TGTX | A | 30,000 | · | · | 30,000 Direct | · | Acquired | (price as of 2026-10-02) |
| Jan. 28, 2004 | TGTX | A | 75,000 | · | · | 128,655 Direct | +139.78% | Acquired | (price as of 2026-10-02) |
| Jan. 27, 2004 | TGTX | J | 103,655 | $0.01 | $1,037 | 128,655 Direct | +414.62% | Acquired | 93.0% (price as of 2026-10-02) |
| Nov. 26, 2003 | TGTX | G | 11,000 | · | · | 1,356,561 Direct | -0.80% | Disposed | (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 |
|---|---|---|---|---|---|---|---|
| June 16, 2026 | IOVA | Deferred Restricted Stock Unit | Common Stock | · | · | 90,316 | Acquired |
| June 13, 2025 | IOVA | Deferred Restricted Stock Unit | Common Stock | · | · | 67,546 | Acquired |
| June 11, 2024 | IOVA | Deferred Restricted Stock Unit | Common Stock | · | · | 49,303 | Acquired |
| March 1, 2024 | IOVA | Deferred Restricted Stock Unit | Common Stock | · | · | 100,000 | Acquired |
| June 6, 2023 | IOVA | Deferred Restricted Stock Unit | Common Stock | · | · | 51,955 | Acquired |
| June 10, 2022 | IOVA | Deferred Restricted Stock Unit | Common Stock | · | · | 51,204 | Acquired |
| June 29, 2021 | IOVA | Stock Option (right to buy) | Common Stock | $26.33 | June 29, 2031 | 35,000 | Acquired |
| June 8, 2020 | IOVA | Stock Option (right to buy) | Common Stock | $32.17 | June 7, 2030 | 35,000 | Acquired |
| June 10, 2019 | IOVA | Stock Option (right to buy) | Common Stock | $19.93 | June 9, 2029 | 50,000 | Acquired |
| July 17, 2018 | IOVA | Stock Option (right to buy) | Common Stock | $14.45 | July 16, 2028 | 35,000 | Acquired |
| March 15, 2018 | IOVA | Stock Option (right to buy) | Common Stock | $16.20 | March 14, 2028 | 50,000 | Acquired |
| Dec. 8, 2017 | TCRT | Stock Option (right to buy) | Common Stock | $2.73 | Dec. 12, 2017 | 20,000 | Disposed |
| June 12, 2017 | TCRT | Stock Option (Right to Buy) | Common Stock | $4.85 | June 18, 2017 | 15,000 | Disposed |
| April 19, 2016 | TCRT | Stock Option (right to buy) | Common Stock | $5.01 | April 26, 2016 | 15,000 | Disposed |
| Dec. 31, 2014 | TCRT | Stock Option (right to buy) | Common Stock | $5.07 | Dec. 31, 2024 | 25,000 | Acquired |
| Dec. 31, 2013 | TCRT | Stock Option (right to buy) | Common Stock | $4.34 | Dec. 31, 2023 | 25,000 | Acquired |
| May 31, 2012 | TCRT | Common Stock Warrants (right to buy) | Common Stock | $3.93 | May 31, 2012 | 35,566 | Disposed |
| Dec. 31, 2010 | TCRT | Stock Option (right to buy) | Common Stock | $4.77 | Dec. 31, 2020 | 30,000 | Acquired |
| March 31, 2010 | TCRT | Stock Options (right to buy) | Common Stock, $.001 par value | $5.09 | March 31, 2020 | 15,000 | Acquired |
| March 3, 2010 | TGTX | Stock Options | Common Stock | $0.07 | March 2, 2015 | 250,000 | Acquired |
| Dec. 31, 2009 | TCRT | Stock Options (right to buy) | Common Stock, $.001 par value | $2.85 | Dec. 31, 2019 | 7,500 | Acquired |
| May 13, 2009 | TCRT | Stock Option (right to buy) | Common Stock | $0.70 | May 13, 2019 | 15,000 | Acquired |
| Sept. 11, 2008 | TGTX | Warrant | Common Stock | $0.20 | Sept. 10, 2013 | 24,000 | Acquired |
| March 25, 2008 | TGTX | Stock Options | Common Stock | $0.17 | March 25, 2018 | 75,000 | Acquired |
| Dec. 12, 2007 | TCRT | Stock Option (right to buy) | Common Stock | $2.73 | Dec. 12, 2017 | 20,000 | Acquired |
| June 18, 2007 | TCRT | Stock Option (right to buy) | Common Stock | $4.85 | June 18, 2017 | 15,000 | Acquired |
| Jan. 30, 2007 | TGTX | Director Stock Option [F1] | Common Stock | $0.71 | Jan. 30, 2017 | 50,000 | Acquired |
| Dec. 13, 2006 | TCRT | Director Stock Option (right to buy) | Common Stock, $.001 par value | $6.49 | Dec. 13, 2016 | 15,000 | Acquired |
| May 3, 2006 | TCRT | Warrants to purchase Common Stock | Common Stock, $.001 par value | $5.09 | May 3, 2013 | 18,319 | Acquired |
| April 26, 2006 | TCRT | Director Stock Option (right to buy) | Common Stock | $5.01 | April 26, 2016 | 15,000 | Acquired |
| Feb. 1, 2006 | TGTX | Warrant | Common Stock | $1.44 | Aug. 30, 2010 | 24,099 | Acquired |
| Sept. 13, 2005 | TCRT | Warrants to Purchase Common Stock | Common Stock, $.001 par value | $4.75 | May 31, 2012 | 35,566 | Acquired |
| Sept. 13, 2005 | TCRT | Director Stock Option | Common Stock, $.001 par value | $4.31 | July 20, 2015 | 15,029 | Acquired |
| Jan. 11, 2005 | TGTX | Director Stock Option [F3] | Commn Stock | $1.00 | Jan. 11, 2015 | 30,000 | Acquired |
| Jan. 28, 2004 | TGTX | Option | Common | $1.65 | Jan. 27, 2014 | 75,000 | Acquired |
| Jan. 27, 2004 | TGTX | Warrant | Common | $1.21 | Jan. 27, 2009 | 103,655 | 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.