David M Knott
CIK 808722 · View on SEC EDGAR ↗
First SEC filing: April 14, 2016 · Latest: April 14, 2016
On this page
- Institution The 13F filer entity this person is associated with.
- 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.
Institution
Insider at
Insider transactions
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 |
|---|---|---|---|---|---|---|---|---|---|
| April 12, 2016 | 808722 | S | 18,013 | $0.86 | $15,491 | 260,135 Indirect | -6.48% | Disposed | |
| April 12, 2016 | 808722 | S | 85,840 | $0.86 | $73,822 | 397,200 Indirect | -17.77% | Disposed | |
| April 12, 2016 | 808722 | S | 9,400 | $0.87 | $8,178 | 278,148 Indirect | -3.27% | Disposed | |
| April 12, 2016 | 808722 | S | 44,600 | $0.87 | $38,802 | 483,040 Indirect | -8.45% | Disposed | |
| April 11, 2016 | 808722 | S | 8,549 | $0.89 | $7,609 | 287,548 Indirect | -2.89% | Disposed | |
| April 11, 2016 | 808722 | S | 40,900 | $0.89 | $36,401 | 527,640 Indirect | -7.19% | Disposed | |
| April 8, 2016 | 808722 | S | 538 | $0.93 | $500 | 296,097 Indirect | -0.18% | Disposed | |
| April 8, 2016 | 808722 | S | 2,160 | $0.93 | $2,009 | 568,540 Indirect | -0.38% | Disposed | |
| Dec. 22, 2015 | 808722 | S | 3,897 | $1.51 | $5,884 | 296,635 Indirect | -1.30% | Disposed | |
| Dec. 22, 2015 | 808722 | S | 19,300 | $1.51 | $29,143 | 570,700 Indirect | -3.27% | Disposed | |
| Dec. 21, 2015 | 808722 | S | 7,364 | $1.55 | $11,414 | 300,532 Indirect | -2.39% | Disposed | |
| Dec. 21, 2015 | 808722 | S | 37,000 | $1.55 | $57,350 | 590,000 Indirect | -5.90% | Disposed | |
| Dec. 18, 2015 | 808722 | S | 11,798 | $1.57 | $18,523 | 307,896 Indirect | -3.69% | Disposed | |
| Dec. 18, 2015 | 808722 | S | 57,600 | $1.57 | $90,432 | 627,000 Indirect | -8.41% | Disposed | |
| Dec. 17, 2015 | 808722 | S | 3,400 | $1.56 | $5,304 | 319,694 Indirect | -1.05% | Disposed | |
| Dec. 17, 2015 | 808722 | S | 16,700 | $1.56 | $26,052 | 684,600 Indirect | -2.38% | Disposed | |
| Dec. 16, 2015 | 808722 | S | 4,871 | $1.76 | $8,573 | 323,094 Indirect | -1.49% | Disposed | |
| Dec. 16, 2015 | 808722 | S | 23,800 | $1.76 | $41,888 | 701,300 Indirect | -3.28% | Disposed | |
| Dec. 15, 2015 | 808722 | S | 6,401 | $1.83 | $11,714 | 327,965 Indirect | -1.91% | Disposed | |
| Dec. 15, 2015 | 808722 | S | 31,900 | $1.83 | $58,377 | 725,100 Indirect | -4.21% | Disposed | |
| Dec. 14, 2015 | 808722 | S | 5,769 | $1.90 | $10,961 | 334,366 Indirect | -1.70% | Disposed | |
| Dec. 14, 2015 | 808722 | S | 20,200 | $1.90 | $38,380 | 757,000 Indirect | -2.60% | Disposed | |
| Aug. 17, 2015 | LGND | S | 4,000 | $95.98 | $383,920 | 66,152 Direct | -5.70% | Disposed | 382.2% (price as of 2026-08-19) |
| Aug. 13, 2015 | LGND | S | 7,225 | $96.20 | $695,045 | 30,771 Indirect | -19.02% | Disposed | 381.1% (price as of 2026-08-19) |
| Aug. 13, 2015 | LGND | S | 27,300 | $96.20 | $2,626,260 | 196,186 Indirect | -12.22% | Disposed | 381.1% (price as of 2026-08-19) |
| Aug. 13, 2015 | LGND | S | 2,000 | $96.20 | $192,400 | 969,300 Indirect | -0.21% | Disposed | 381.1% (price as of 2026-08-19) |
| Aug. 12, 2015 | LGND | S | 2,600 | $96.45 | $250,770 | 37,996 Indirect | -6.40% | Disposed | 379.9% (price as of 2026-08-19) |
| Aug. 12, 2015 | LGND | S | 9,875 | $96.45 | $952,444 | 223,486 Indirect | -4.23% | Disposed | 379.9% (price as of 2026-08-19) |
| Aug. 12, 2015 | LGND | S | 800 | $96.45 | $77,160 | 971,300 Indirect | -0.08% | Disposed | 379.9% (price as of 2026-08-19) |
| Aug. 7, 2015 | LGND | S | 200 | $99.02 | $19,804 | 40,596 Indirect | -0.49% | Disposed | 367.4% (price as of 2026-08-19) |
| July 23, 2015 | 808722 | S | 1,200 | $3.08 | $3,696 | 340,135 Indirect | -0.35% | Disposed | |
| July 23, 2015 | 808722 | S | 6,100 | $3.08 | $18,788 | 777,200 Indirect | -0.78% | Disposed | |
| July 20, 2015 | 808722 | S | 900 | $3.17 | $2,853 | 341,335 Indirect | -0.26% | Disposed | |
| July 20, 2015 | 808722 | S | 4,100 | $3.17 | $12,997 | 783,300 Indirect | -0.52% | Disposed | |
| July 17, 2015 | 808722 | S | 2,500 | $3.18 | $7,950 | 342,235 Indirect | -0.73% | Disposed | |
| July 17, 2015 | 808722 | S | 12,500 | $3.18 | $39,750 | 787,400 Indirect | -1.56% | Disposed | |
| July 15, 2015 | 808722 | S | 15,700 | $3.17 | $49,769 | 799,900 Indirect | -1.92% | Disposed | |
| July 15, 2015 | 808722 | S | 2,403 | $3.17 | $7,618 | 344,735 Indirect | -0.69% | Disposed | |
| July 13, 2015 | 808722 | S | 800 | $3.22 | $2,576 | 347,138 Indirect | -0.23% | Disposed | |
| July 13, 2015 | 808722 | S | 4,200 | $3.22 | $13,524 | 815,600 Indirect | -0.51% | Disposed | |
| July 10, 2015 | 808722 | S | 2,000 | $3.24 | $6,480 | 347,938 Indirect | -0.57% | Disposed | |
| July 10, 2015 | 808722 | S | 13,100 | $3.24 | $42,444 | 819,800 Indirect | -1.57% | Disposed | |
| July 9, 2015 | 808722 | S | 30,000 | $3.18 | $95,400 | 349,938 Indirect | -7.90% | Disposed | |
| July 8, 2015 | 808722 | S | 8,100 | $3.18 | $25,758 | 379,938 Indirect | -2.09% | Disposed | |
| July 7, 2015 | 808722 | S | 200 | $3.25 | $650 | 388,038 Indirect | -0.05% | Disposed | |
| June 26, 2015 | 808722 | S | 4,954 | $3.25 | $16,100 | 388,238 Indirect | -1.26% | Disposed | |
| June 25, 2015 | 808722 | S | 10,000 | $3.28 | $32,800 | 393,192 Indirect | -2.48% | Disposed | |
| June 22, 2015 | 808722 | S | 1,839 | $3.35 | $6,161 | 403,192 Indirect | -0.45% | Disposed | |
| June 19, 2015 | 808722 | S | 3,847 | $3.30 | $12,695 | 405,031 Indirect | -0.94% | Disposed | |
| June 18, 2015 | 808722 | S | 16,916 | $3.31 | $55,992 | 408,878 Indirect | -3.97% | Disposed | |
| June 17, 2015 | 808722 | S | 2,733 | $3.40 | $9,292 | 425,794 Indirect | -0.64% | Disposed | |
| June 15, 2015 | 808722 | S | 11,340 | $3.38 | $38,329 | 428,527 Indirect | -2.58% | Disposed | |
| June 12, 2015 | 808722 | S | 10,000 | $3.36 | $33,600 | 439,867 Indirect | -2.22% | Disposed | |
| Feb. 23, 2015 | 808722 | S | 4,600 | $3.51 | $16,146 | 449,867 Indirect | -1.01% | Disposed | |
| Feb. 19, 2015 | 808722 | S | 7,890 | $3.51 | $27,694 | 454,467 Indirect | -1.71% | Disposed | |
| Feb. 18, 2015 | 808722 | S | 28,600 | $3.52 | $100,672 | 462,357 Indirect | -5.83% | Disposed | |
| Feb. 17, 2015 | 808722 | S | 30,000 | $3.53 | $105,900 | 490,957 Indirect | -5.76% | Disposed | |
| Feb. 13, 2015 | 808722 | S | 57,501 | $3.63 | $208,729 | 520,957 Indirect | -9.94% | Disposed | |
| Dec. 29, 2014 | 808722 | S | 2,923 | $3.91 | $11,429 | 578,458 Indirect | -0.50% | Disposed | |
| Dec. 8, 2014 | 808722 | S | 4,500 | $4.35 | $19,575 | 581,381 Indirect | -0.77% | Disposed | |
| Dec. 5, 2014 | 808722 | S | 15,876 | $4.44 | $70,489 | 585,881 Indirect | -2.64% | Disposed | |
| Oct. 9, 2014 | LGND | P | 4,000 | $43.01 | $172,040 | 69,227 Direct | +6.13% | Acquired | 976.1% (price as of 2026-08-19) |
| Feb. 20, 2014 | LGND | S | 900 | $72.97 | $65,673 | 1,843 Indirect | -32.81% | Disposed | 534.3% (price as of 2026-08-19) |
| Feb. 18, 2014 | LGND | S | 3,900 | $73.31 | $285,909 | 40,796 Indirect | -8.73% | Disposed | 531.3% (price as of 2026-08-19) |
| Feb. 18, 2014 | LGND | S | 11,531 | $73.31 | $845,338 | 233,361 Indirect | -4.71% | Disposed | 531.3% (price as of 2026-08-19) |
| Feb. 14, 2014 | LGND | S | 6,700 | $77.10 | $516,570 | 44,696 Indirect | -13.04% | Disposed | 500.3% (price as of 2026-08-19) |
| Feb. 14, 2014 | LGND | S | 19,769 | $77.10 | $1,524,190 | 244,892 Indirect | -7.47% | Disposed | 500.3% (price as of 2026-08-19) |
| Oct. 2, 2013 | 808722 | S | 18,057 | $4.84 | $87,396 | 0 Indirect | -100.00% | Disposed | |
| Oct. 2, 2013 | 808722 | S | 18,651 | $4.84 | $90,271 | 601,757 Indirect | -3.01% | Disposed | |
| Oct. 1, 2013 | 808722 | S | 8,792 | $4.85 | $42,641 | 18,057 Indirect | -32.75% | Disposed | |
| Oct. 1, 2013 | 808722 | S | 9,000 | $4.85 | $43,650 | 620,408 Indirect | -1.43% | Disposed | |
| Sept. 30, 2013 | 808722 | S | 39,400 | $4.86 | $191,484 | 26,849 Indirect | -59.47% | Disposed | |
| Sept. 30, 2013 | 808722 | S | 40,600 | $4.86 | $197,316 | 629,408 Indirect | -6.06% | Disposed | |
| Sept. 27, 2013 | 808722 | S | 200 | $5.00 | $1,000 | 66,249 Indirect | -0.30% | Disposed | |
| Sept. 27, 2013 | 808722 | S | 300 | $5.00 | $1,500 | 670,008 Indirect | -0.04% | Disposed | |
| Sept. 26, 2013 | 808722 | S | 19,700 | $5.00 | $98,500 | 66,449 Indirect | -22.87% | Disposed | |
| Sept. 26, 2013 | 808722 | S | 20,300 | $5.00 | $101,500 | 670,308 Indirect | -2.94% | Disposed | |
| Sept. 12, 2013 | LGND | S | 160,000 | $46.78 | $7,484,800 | 51,396 Indirect | -75.69% | Disposed | 889.4% (price as of 2026-08-19) |
| June 17, 2013 | 808722 | S | 128,942 | $5.50 | $709,181 | 86,149 Indirect | -59.95% | Disposed | |
| June 14, 2013 | 808722 | S | 25,000 | $5.50 | $137,500 | 215,091 Indirect | -10.41% | Disposed | |
| June 14, 2013 | 808722 | S | 21,058 | $5.50 | $115,819 | 240,091 Indirect | -8.06% | Disposed | |
| Feb. 22, 2013 | 808722 | S | 7,834 | $6.00 | $47,004 | 261,149 Indirect | -2.91% | Disposed | |
| Feb. 21, 2013 | 808722 | S | 5,040 | $6.00 | $30,240 | 268,983 Indirect | -1.84% | Disposed | |
| Feb. 7, 2013 | 808722 | S | 1,161 | $6.51 | $7,558 | 274,023 Indirect | -0.42% | Disposed | |
| Feb. 6, 2013 | 808722 | S | 10,000 | $6.64 | $66,400 | 275,184 Indirect | -3.51% | Disposed | |
| Feb. 5, 2013 | 808722 | S | 10,000 | $6.55 | $65,500 | 285,184 Indirect | -3.39% | Disposed | |
| Feb. 4, 2013 | 808722 | S | 20,832 | $6.61 | $137,700 | 295,184 Indirect | -6.59% | Disposed | |
| Feb. 1, 2013 | 808722 | S | 10,000 | $6.70 | $67,000 | 316,016 Indirect | -3.07% | Disposed | |
| Jan. 31, 2013 | 808722 | S | 5,001 | $6.95 | $34,757 | 326,016 Indirect | -1.51% | Disposed |
Showing latest 100 of 693 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 |
|---|---|---|---|---|---|---|---|
| March 10, 2016 | 808722 | Series A Convertible Preferred Stock | Common Stock (28,870) | $6.20 | — | 3,580 | Disposed |
| Nov. 17, 2015 | 808722 | Series A Convertible Preferred Stock | Common Stock (7,580) | $6.20 | — | 940 | Disposed |
| April 24, 2015 | LGND | Non-Qualified Stock Option (right to buy) [F5] | Common Stock (2,754) | $89.75 | April 24, 2025 | 2,754 | Acquired |
| June 4, 2014 | LGND | Non-Qualified Stock Option (right to buy) [F5] | Common Stock (3,312) | $67.53 | June 4, 2024 | 3,312 | Acquired |
| June 11, 2013 | LGND | Non-Qualified Stock Option (right to buy) [F5] | Common Stock (7,335) | $32.30 | June 11, 2023 | 7,335 | Acquired |
| May 31, 2012 | LGND | Non-Qualified Stock Option (right to buy) [F5] | Common Stock (7,335) | $12.53 | May 31, 2022 | 7,335 | Acquired |
| June 1, 2011 | LGND | Non-Qualified Stock Option (right to buy) [F1,F8,F9] | Common Stock (7,335) | $10.12 | June 1, 2021 | 7,335 | Acquired |
| Feb. 15, 2011 | 808722 | Common Stock Warrants (right to buy) [F1] | Common Stock (13,600) | $5.00 | March 4, 2011 | 13,600 | Disposed |
| Feb. 15, 2011 | 808722 | Common Stock Warrants (right to buy) [F1] | Common Stock (193,902) | $5.00 | March 4, 2011 | 193,902 | Disposed |
| Feb. 15, 2011 | 808722 | Common Stock Warrants (right to buy) [F1] | Common Stock (71,700) | $5.00 | March 4, 2011 | 71,700 | Disposed |
| Feb. 15, 2011 | 808722 | Common Stock Warrants (right to buy) [F1] | Common Stock (244,800) | $5.00 | March 4, 2011 | 244,800 | Disposed |
| Feb. 11, 2011 | 808722 | Common Stock Warrants (right to buy) [F1] | Common Stock (233,700) | $5.00 | March 4, 2011 | 233,700 | Disposed |
| Feb. 11, 2011 | 808722 | Common Stock Warrants (right to buy) [F1] | Common Stock (68,400) | $5.00 | March 4, 2011 | 68,400 | Disposed |
| Feb. 11, 2011 | 808722 | Common Stock Warrants (right to buy) [F1] | Common Stock (185,000) | $5.00 | March 4, 2011 | 185,000 | Disposed |
| Feb. 11, 2011 | 808722 | Common Stock Warrants (right to buy) [F1] | Common Stock (12,900) | $5.00 | March 4, 2011 | 12,900 | Disposed |
| Feb. 8, 2011 | 808722 | Common Stock Warrants (right to buy) [F1] | Common Stock (25,800) | $5.00 | March 4, 2011 | 25,800 | Disposed |
| Feb. 8, 2011 | 808722 | Common Stock Warrants (right to buy) [F1] | Common Stock (2) | $5.00 | March 4, 2011 | 2 | Disposed |
| Feb. 8, 2011 | 808722 | Common Stock Warrants (right to buy) [F1] | Common Stock (370,198) | $5.00 | March 4, 2011 | 370,198 | Disposed |
| Feb. 8, 2011 | 808722 | Common Stock Warrants (right to buy) [F1] | Common Stock (136,700) | $5.00 | March 4, 2011 | 136,700 | Disposed |
| Feb. 8, 2011 | 808722 | Common Stock Warrants (right to buy) [F1] | Common Stock (467,300) | $5.00 | March 4, 2011 | 467,300 | Disposed |
| Nov. 19, 2010 | LGND | Non-Qualified Stock Option (right to buy) [F1] | Common Stock (3,333) | $53.34 | March 1, 2017 | 3,333 | Acquired |
| Nov. 19, 2010 | LGND | Non-Qualified Stock Option (right to buy) [F1] | Common Stock (20,000) | $8.89 | March 1, 2017 | 20,000 | Disposed |
| Nov. 19, 2010 | LGND | Non-Qualified Stock Option (right to buy) [F1] | Common Stock (2,500) | $17.88 | May 29, 2019 | 2,500 | Acquired |
| Nov. 19, 2010 | LGND | Non-Qualified Stock Option (right to buy) [F1] | Common Stock (15,000) | $2.98 | May 29, 2019 | 15,000 | Disposed |
| Nov. 19, 2010 | LGND | Non-Qualified Stock Option (right to buy) [F1] | Common Stock (2,500) | $8.58 | May 25, 2020 | 2,500 | Acquired |
| Nov. 19, 2010 | LGND | Non-Qualified Stock Option (right to buy) [F1] | Common Stock (15,000) | $1.43 | May 25, 2020 | 15,000 | Disposed |
| Sept. 22, 2010 | 808722 | Class A Common Stock Warrants (right to buy) | Class A Common Stock (23,169) | $5.00 | May 24, 2011 | 23,169 | Disposed |
| July 7, 2010 | FF | Warrants to purchase one share of Common Stock [F1] | Common Stock (70,600) | $6.00 | July 12, 2010 | 70,600 | Disposed |
| July 7, 2010 | FF | Warrants to purchase one share of Common Stock [F1] | Common Stock (454,200) | $6.00 | July 12, 2010 | 454,200 | Disposed |
| July 7, 2010 | FF | Warrants to purchase one share of Common Stock [F1] | Common Stock (355,300) | $6.00 | July 12, 2010 | 355,300 | Disposed |
| July 7, 2010 | FF | Warrants to purchase one share of Common Stock [F1] | Common Stock (883,800) | $6.00 | July 12, 2010 | 883,800 | Disposed |
| July 1, 2010 | 808722 | Convertible Note | Common Stock | $10.00 | Jan. 21, 2013 | 1,000 | Disposed |
| July 1, 2010 | 808722 | Convertible Note | Common Stock | $10.00 | Jan. 21, 2013 | 8,000 | Disposed |
| July 1, 2010 | 808722 | Convertible Note | Common Stock | $10.00 | Jan. 21, 2013 | 4,000 | Disposed |
| July 1, 2010 | 808722 | Convertible Note | Common Stock | $10.00 | Jan. 21, 2013 | 7,000 | Disposed |
| July 1, 2010 | 808722 | Convertible Note | Common Stock | $10.00 | Jan. 21, 2013 | 30,000 | Disposed |
| July 1, 2010 | 808722 | Warrants to purchase one share of Common Stock | Common Stock | $0.10 | Jan. 21, 2016 | 23,077 | Disposed |
| July 1, 2010 | 808722 | Warrants to purchase one share of Common Stock | Common Stock | $0.10 | Jan. 21, 2016 | 184,615 | Disposed |
| July 1, 2010 | 808722 | Warrants to purchase one share of Common Stock | Common Stock | $0.10 | Jan. 21, 2016 | 92,308 | Disposed |
| July 1, 2010 | 808722 | Warrants to purchase one share of Common Stock | Common Stock | $0.10 | Jan. 21, 2016 | 161,538 | Disposed |
| July 1, 2010 | 808722 | Warrants to purchase one share of Common Stock | Common Stock | $0.10 | Jan. 21, 2016 | 692,308 | Disposed |
| June 28, 2010 | 808722 | Common Stock Warrants (right to buy) [F1] | Common Stock | $5.00 | March 4, 2011 | 15,300 | Disposed |
| June 28, 2010 | 808722 | Common Stock Warrants (right to buy) [F1] | Common Stock | $5.00 | March 4, 2011 | 100,698 | Disposed |
| May 25, 2010 | LGND | Non-Qualified Stock Option (right to buy) | Common Stock (15,000) | $1.43 | May 25, 2011 | 15,000 | Acquired |
| April 19, 2010 | 808722 | Option to purchase Common Stock | Common Stock (5,480) | $0.00 | March 22, 2010 | 5,480 | Disposed |
| April 19, 2010 | 808722 | Option to purchase Common Stock | Common Stock (8,996) | $0.00 | March 22, 2010 | 8,996 | Disposed |
| April 19, 2010 | 808722 | Option to purchase Common Stock | Common Stock (2,991) | $0.00 | March 22, 2010 | 2,991 | Disposed |
| April 19, 2010 | 808722 | Option to purchase Common Stock | Common Stock (97,621) | $0.00 | March 22, 2010 | 97,621 | Disposed |
| April 19, 2010 | 808722 | Option to purchase Common Stock | Common Stock (1,048) | $0.00 | March 22, 2010 | 1,048 | Disposed |
| April 19, 2010 | 808722 | Option to purchase Common Stock | Common Stock (47,752) | $0.00 | March 22, 2010 | 47,752 | Disposed |
| April 19, 2010 | 808722 | Option to purchase Common Stock | Common Stock (57,687) | $0.00 | March 22, 2010 | 57,687 | Disposed |
| Oct. 16, 2009 | 808722 | Class A Common Stock Warrants (right to buy) | Class A Common Stock (23,169) | $5.00 | May 24, 2011 | 23,169 | Acquired |
| May 29, 2009 | LGND | Non-Qualified Stock Option (right to buy) | Common Stock (15,000) | $2.98 | May 29, 2010 | 15,000 | Acquired |
| Dec. 19, 2008 | FF | Common Stock Warrants (right to buy) [F1] | Common Stock | $6.00 | July 12, 2010 | 406,600 | Disposed |
| Dec. 19, 2008 | FF | Common Stock Warrants (right to buy) [F1] | Common Stock | $6.00 | July 12, 2010 | 27,600 | Acquired |
| Dec. 19, 2008 | FF | Common Stock Warrants (right to buy) [F1] | Common Stock | $6.00 | July 12, 2010 | 58,700 | Acquired |
| Dec. 19, 2008 | FF | Common Stock Warrants (right to buy) [F1] | Common Stock | $6.00 | July 12, 2010 | 320,300 | Acquired |
| Nov. 26, 2008 | 808722 | Common Stock Warrants (right to buy) [F1] | Common Stock | $5.00 | March 4, 2011 | 48,900 | Disposed |
| Nov. 26, 2008 | 808722 | Common Stock Warrants (right to buy) [F1] | Common Stock | $5.00 | March 4, 2011 | 22,400 | Acquired |
| Nov. 26, 2008 | 808722 | Common Stock Warrants (right to buy) [F1] | Common Stock | $5.00 | March 4, 2011 | 35,200 | Acquired |
| Oct. 31, 2008 | 808722 | Common Stock Warrants (right to buy) [F1] | Common Stock | $5.00 | March 4, 2011 | 62,000 | Acquired |
| Oct. 31, 2008 | 808722 | Common Stock Warrants (right to buy) [F1] | Common Stock | $5.00 | March 4, 2011 | 4,900 | Acquired |
| Oct. 31, 2008 | 808722 | Common Stock Warrants (right to buy) [F1] | Common Stock | $5.00 | March 4, 2011 | 768,500 | Acquired |
| Oct. 31, 2008 | 808722 | Common Stock Warrants (right to buy) [F1] | Common Stock | $5.00 | March 4, 2011 | 496,300 | Acquired |
| Oct. 31, 2008 | 808722 | Common Stock Warrants (right to buy) [F1] | Common Stock | $5.00 | March 4, 2011 | 808,300 | Acquired |
| July 17, 2008 | FF | Common Stock Warrants (right to buy) [F1] | Common Stock (195,200) | $6.00 | July 12, 2010 | 195,200 | Acquired |
| July 17, 2008 | FF | Common Stock Warrants (right to buy) [F1] | Common Stock (115,900) | $6.00 | July 12, 2010 | 115,900 | Acquired |
| July 17, 2008 | FF | Common Stock Warrants (right to buy) [F1] | Common Stock (188,900) | $6.00 | July 12, 2010 | 188,900 | Acquired |
| July 16, 2008 | FF | Common Stock Warrants (right to buy) [F1] | Common Stock (16,900) | $6.00 | July 12, 2010 | 16,900 | Acquired |
| July 16, 2008 | FF | Common Stock Warrants (right to buy) [F1] | Common Stock (9,900) | $6.00 | July 12, 2010 | 9,900 | Acquired |
| July 16, 2008 | FF | Common Stock Warrants (right to buy) [F1] | Common Stock (16,200) | $6.00 | July 12, 2010 | 16,200 | Acquired |
| July 7, 2008 | 808722 | Common Stock Warrants (right to buy) [F1] | Common Stock | $5.00 | March 4, 2011 | 3,900 | Disposed |
| July 7, 2008 | 808722 | Common Stock Warrants (right to buy) [F1] | Common Stock | $5.00 | March 4, 2011 | 3,900 | Acquired |
| July 2, 2008 | 808722 | Common Stock Warrants (right to buy) [F1] | Common Stock | $5.00 | March 4, 2011 | 8,000 | Disposed |
| July 2, 2008 | 808722 | Common Stock Warrants (right to buy) [F1] | Common Stock | $5.00 | March 4, 2011 | 700 | Disposed |
| July 2, 2008 | 808722 | Common Stock Warrants (right to buy) [F1] | Common Stock | $5.00 | March 4, 2011 | 57,900 | Acquired |
| July 2, 2008 | 808722 | Common Stock Warrants (right to buy) [F1] | Common Stock | $5.00 | March 4, 2011 | 34,600 | Acquired |
| July 2, 2008 | 808722 | Common Stock Warrants (right to buy) [F1] | Common Stock | $5.00 | March 4, 2011 | 57,300 | Disposed |
| July 2, 2008 | 808722 | Common Stock Warrants (right to buy) [F1] | Common Stock | $5.00 | March 4, 2011 | 37,300 | Disposed |
| July 2, 2008 | 808722 | Common Stock Warrants (right to buy) [F1] | Common Stock | $5.00 | March 4, 2011 | 2,100 | Acquired |
| June 17, 2008 | 808722 | Common Stock Warrants (right to buy) [F1] | Common Stock (3,400) | $5.00 | March 4, 2011 | 3,400 | Acquired |
| June 17, 2008 | 808722 | Common Stock Warrants (right to buy) [F1] | Common Stock (58,100) | $5.00 | March 4, 2011 | 58,100 | Acquired |
| June 17, 2008 | 808722 | Common Stock Warrants (right to buy) [F1] | Common Stock (98,500) | $5.00 | March 4, 2011 | 98,500 | Acquired |
| June 16, 2008 | 808722 | Common Stock Warrants (right to buy) [F1] | Common Stock (500) | $5.00 | March 4, 2011 | 500 | Acquired |
| June 16, 2008 | 808722 | Common Stock Warrants (right to buy) [F1] | Common Stock (9,000) | $5.00 | March 4, 2011 | 9,000 | Acquired |
| June 16, 2008 | 808722 | Common Stock Warrants (right to buy) [F1] | Common Stock (15,500) | $5.00 | March 4, 2011 | 15,500 | Acquired |
| May 9, 2008 | 808722 | Common Stock Warrants (right to buy) [F1] | Common Stock (1,700) | $5.00 | March 4, 2011 | 1,700 | Acquired |
| May 9, 2008 | 808722 | Common Stock Warrants (right to buy) [F1] | Common Stock (45,400) | $5.00 | March 4, 2011 | 45,400 | Acquired |
| May 9, 2008 | 808722 | Common Stock Warrants (right to buy) [F1] | Common Stock (102,900) | $5.00 | March 4, 2011 | 102,900 | Acquired |
| April 17, 2008 | 808722 | Common Stock Warrants (right to buy) [F1] | Common Stock (533,500) | $5.00 | March 4, 2011 | 20,000 | Acquired |
| April 17, 2008 | 808722 | Common Stock Warrants (right to buy) [F1] | Common Stock (345,300) | $5.00 | March 4, 2011 | 7,600 | Acquired |
| April 17, 2008 | 808722 | Common Stock Warrants (right to buy) [F1] | Common Stock (4,900) | $5.00 | March 4, 2011 | 300 | Acquired |
| April 17, 2008 | 808722 | Common Stock Warrants (right to buy) [F1] | Common Stock (95,500) | $5.00 | March 4, 2011 | 2,100 | Acquired |
| April 14, 2008 | 808722 | Common Stock Warrants (right to buy) [F1] | Common Stock (93,400) | $5.00 | March 4, 2011 | 2,100 | Acquired |
| April 14, 2008 | 808722 | Common Stock Warrants (right to buy) [F1] | Common Stock (4,600) | $5.00 | March 4, 2011 | 200 | Acquired |
| April 14, 2008 | 808722 | Common Stock Warrants (right to buy) [F1] | Common Stock (337,700) | $5.00 | March 4, 2011 | 7,200 | Acquired |
| April 14, 2008 | 808722 | Common Stock Warrants (right to buy) [F1] | Common Stock (513,500) | $5.00 | March 4, 2011 | 20,500 | Acquired |
| March 18, 2008 | 808722 | Common Stock Warrants (right to buy) [F1] | Common Stock (3,850) | $5.00 | March 4, 2011 | 3,850 | Disposed |
| March 18, 2008 | 808722 | Common Stock Warrants (right to buy) [F1] | Common Stock (7,150) | $5.00 | March 4, 2011 | 7,150 | Disposed |
| March 5, 2008 | 808722 | Common Stock Warrants (right to buy) [F1] | Common Stock (15,400) | $5.00 | March 4, 2011 | 15,400 | Disposed |
Showing latest 100 of 171 transactions
Exercise/conversion price is blank when not applicable (e.g. RSUs).
Initial ownership (Form 3) 46 holdings
Securities held when first becoming an insider, per SEC Form 3.
| Date | Ticker | Security | Shares | Ownership |
|---|---|---|---|---|
| July 18, 2008 | FF | Common Stock, $.0001 par value per share [F1] | 547,100 | Indirect |
| July 18, 2008 | FF | Common Stock, $.0001 par value per share [F1] | 325,800 | Indirect |
| July 18, 2008 | FF | Common Stock, $.0001 par value per share [F1] | 7,900 | Indirect |
| July 18, 2008 | FF | Common Stock, $.0001 par value per share [F1] | 752,550 | Indirect |
| July 18, 2008 | FF | Common Stock, $.0001 par value per share [F1] | 44,800 | Indirect |
| July 18, 2008 | FF | Warrants to purchase one share of Common Stock [F1]→ Common Stock (358,400) | 358,400 | Indirect |
| July 18, 2008 | FF | Warrants to purchase one share of Common Stock [F1]→ Common Stock (229,500) | 229,500 | Indirect |
| July 18, 2008 | FF | Warrants to purchase one share of Common Stock [F1]→ Common Stock (183,400) | 183,400 | Indirect |
| July 18, 2008 | FF | Warrants to purchase one share of Common Stock [F1]→ Common Stock (449,600) | 449,600 | Indirect |
| Nov. 20, 2007 | DYAI | Common Stock, $0.001 par value per share | — | Indirect |
| Nov. 20, 2007 | DYAI | Common Stock, $0.001 par value per share | — | Indirect |
| Nov. 20, 2007 | DYAI | Common Stock, $0.001 par value per share | — | Indirect |
| Nov. 20, 2007 | DYAI | Common Stock, $0.001 par value per share | — | Indirect |
| Nov. 20, 2007 | DYAI | Common Stock, $0.001 par value per share | — | Indirect |
| Nov. 20, 2007 | DYAI | Common Stock, $0.001 par value per share | — | Indirect |
| Nov. 20, 2007 | DYAI | Common Stock, $0.001 par value per share | — | Indirect |
| March 9, 2007 | LGND | Common Stock | 2,419,383 | Indirect |
| March 9, 2007 | LGND | Common Stock | 1,326,841 | Indirect |
| March 9, 2007 | LGND | Common Stock | 18,400 | Indirect |
| March 9, 2007 | LGND | Common Stock | 3,929,331 | Indirect |
| March 9, 2007 | LGND | Common Stock | 259,184 | Indirect |
| March 9, 2007 | LGND | Common Stock | 32,400 | Indirect |
| March 9, 2007 | LGND | Common Stock | 547,518 | Indirect |
| Oct. 25, 2006 | LGND | Common Stock | 2,271,000 | Indirect |
| Oct. 25, 2006 | LGND | Common Stock | 1,256,700 | Indirect |
| Oct. 25, 2006 | LGND | Common Stock | 18,400 | Indirect |
| Oct. 25, 2006 | LGND | Common Stock | 3,788,400 | Indirect |
| Oct. 25, 2006 | LGND | Common Stock | 32,400 | Indirect |
| Oct. 25, 2006 | LGND | Common Stock | 448,700 | Indirect |
| Oct. 25, 2006 | LGND | 6% Convertible Subordinated Notes due 2007→ Common Stock (148,383) | 148,383 | Indirect |
| Oct. 25, 2006 | LGND | 6% Convertible Subordinated Notes due 2007→ Common Stock (70,141) | 70,141 | Indirect |
| Oct. 25, 2006 | LGND | 6% Convertible Subordinated Notes due 2007→ Common Stock (140,931) | 140,931 | Indirect |
| Oct. 25, 2006 | LGND | 6% Convertible Subordinated Notes due 2007→ Common Stock (259,184) | 259,184 | Indirect |
| Oct. 25, 2006 | LGND | 6% Convertible Subordinated Notes due 2007→ Common Stock (29,318) | 29,318 | Indirect |
| Jan. 30, 2006 | ARWR | Common stock, $0.001 par value per share | 40,300 | Indirect |
| Jan. 30, 2006 | ARWR | Common stock, $0.001 par value per share | 160,200 | Indirect |
| Jan. 30, 2006 | ARWR | Common stock, $0.001 par value per share | 45,600 | Indirect |
| Jan. 30, 2006 | ARWR | Common stock, $0.001 par value per share | 1,330,500 | Indirect |
| Jan. 30, 2006 | ARWR | Common stock, $0.001 par value per share | 1,739,181 | Indirect |
| Jan. 30, 2006 | ARWR | Common stock, $0.001 par value per share | 733,800 | Indirect |
| Jan. 30, 2006 | ARWR | Warrant to purchase Common Stock, $0.001 par value per share→ Common Stock, $0.001 par value per share (3,075) | 3,075 | Indirect |
| Jan. 30, 2006 | ARWR | Warrant to purchase Common Stock, $0.001 par value per share→ Common Stock, $0.001 par value per share (12,075) | 12,075 | Indirect |
| Jan. 30, 2006 | ARWR | Warrant to purchase Common Stock, $0.001 par value per share→ Common Stock, $0.001 par value per share (3,450) | 3,450 | Indirect |
| Jan. 30, 2006 | ARWR | Warrant to purchase Common Stock, $0.001 par value per share→ Common Stock, $0.001 par value per share (108,475) | 108,475 | Indirect |
| Jan. 30, 2006 | ARWR | Warrant to purchase Common Stock, $0.001 par value per share→ Common Stock, $0.001 par value per share (161,688) | 161,688 | Indirect |
| Jan. 30, 2006 | ARWR | Warrant to purchase Common Stock, $0.001 par value per share→ Common Stock, $0.001 par value per share (68,400) | 68,400 | Indirect |