Insider at

04

Insider transactions

05
0 buys (P) 0 sells (S) Net: $0 + 82 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

82 other filings hidden
DateTickerCodeSharesPriceValue Owned afterΔ ownA/Dvs now
Sept. 24, 2015 SIGA S 20,000 $1.21 $24,200 582,897 Direct -3.32% Disposed 179.3% (price as of 2026-10-02)
Sept. 1, 2015 SIGA S 20,000 $1.32 $26,400 502,897 Direct -3.82% Disposed 156.1% (price as of 2026-10-02)
June 22, 2015 SIGA S 12,800 $1.41 $18,048 472,897 Direct -2.64% Disposed 139.7% (price as of 2026-10-02)
June 22, 2015 SIGA S 7,400 $1.45 $10,730 485,697 Direct -1.50% Disposed 133.1% (price as of 2026-10-02)
June 22, 2015 SIGA S 4,800 $1.46 $7,008 493,097 Direct -0.96% Disposed 131.5% (price as of 2026-10-02)
June 4, 2015 SIGA S 12,400 $1.64 $20,336 447,897 Direct -2.69% Disposed 106.1% (price as of 2026-10-02)
June 3, 2015 SIGA S 12,500 $1.69 $21,125 460,297 Direct -2.64% Disposed 100.0% (price as of 2026-10-02)
June 2, 2015 SIGA S 100 $1.80 $180 472,797 Direct -0.02% Disposed 87.8% (price as of 2026-10-02)
Jan. 3, 2014 SIGA P 0 · · 13,300 Indirect 0.00% Acquired (price as of 2026-10-02)
May 19, 2011 SIGA S 41,500 $13.65 $566,475 562,180 Direct -6.87% Disposed -75.2% (price as of 2026-10-02)
Dec. 15, 2009 SIGA P 4,100 $6.00 $24,600 1,346,980 Indirect +0.31% Acquired -43.7% (price as of 2026-10-02)
Dec. 15, 2009 SIGA P 3,000 $6.00 $18,000 1,342,880 Direct +0.22% Acquired -43.7% (price as of 2026-10-02)
June 15, 2009 NEPH S 46,355 $1.53 $70,923 550,000 Direct -7.77% Disposed -98.7% (price as of 2026-10-02)
June 12, 2009 NEPH S 53,645 $1.50 $80,468 596,355 Direct -8.25% Disposed -98.6% (price as of 2026-10-02)
June 11, 2009 NEPH S 50,151 $1.19 $59,680 650,000 Direct -7.16% Disposed -98.3% (price as of 2026-10-02)
June 10, 2009 NEPH S 45,000 $1.20 $54,000 700,151 Direct -6.04% Disposed -98.3% (price as of 2026-10-02)
Dec. 15, 2008 SIGA P 9,200 $3.06 $28,152 1,339,880 Indirect +0.69% Acquired 10.5% (price as of 2026-10-02)
Dec. 15, 2008 SIGA P 9,200 $3.06 $28,152 1,330,680 Direct +0.70% Acquired 10.5% (price as of 2026-10-02)

Showing latest 100 of 107 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.

06
DateTickerSecurityUnderlying Exercise priceExpirationSharesA/D
June 20, 2024 OBIO Stock Option (Right to Buy) Common Stock (17,068) $7.44 June 20, 2034 17,068 Acquired
July 20, 2023 OBIO Stock Option (Right to Buy) Common Stock (25,000) $7.42 July 20, 2033 25,000 Acquired
May 17, 2023 OBIO Warrant (Right to Buy) Common Stock (2,325) $1.08 May 31, 2023 2,325 Disposed
Jan. 26, 2023 OBIO Nonstatutory Stock Option (Right to Buy) [F1] Common Stock (23,250) $10.00 Aug. 17, 2032 23,250 Acquired
Jan. 26, 2023 OBIO Warrant (Right to Buy) Common Stock (2,325) $1.08 May 31, 2023 2,325 Acquired
Jan. 26, 2023 OBIO Nonstatutory Stock Option (Right to Buy) Common Stock (3,488) $4.06 April 11, 2032 3,488 Acquired
Jan. 26, 2023 OBIO Nonstatutory Stock Option (Right to Buy) Common Stock (23,250) $10.00 Aug. 25, 2032 23,250 Acquired
Jan. 26, 2023 OBIO Nonstatutory Stock Option (Right to Buy) Common Stock (6,975) $4.30 Aug. 6, 2029 6,975 Acquired
Jan. 26, 2023 OBIO Nonstatutory Stock Option (Right to Buy) Common Stock (18,600) $4.30 Nov. 16, 2028 18,600 Acquired
June 15, 2021 SIGA Restricted Stock Units Common Stock, par value $.0001 per share (15,000) · · 15,000 Disposed
June 16, 2020 SIGA Restricted Stock Units Common Stock, par value $.0001 per share (15,000) · · 15,000 Acquired
May 21, 2020 SIGA Restricted Stock Units Common Stock, par value $.0001 per share (15,000) · · 15,000 Disposed
Nov. 22, 2019 SIGA Restricted Stock Units Common Stock, par value $.0001 per share (100,000) · · 100,000 Disposed
May 21, 2019 SIGA Restricted Stock Units Common Stock, par value $.0001 per share (15,000) · · 15,000 Acquired
Nov. 22, 2018 SIGA Restricted Stock Units Common Stock, par value $.0001 per share (200,000) · · 200,000 Disposed
Aug. 20, 2018 SIGA Stock Option (Right to buy) Common Stock, par value $.0001 per share (400,000) $2.49 Nov. 14, 2018 400,000 Disposed
Nov. 13, 2017 SIGA Stock-Settled Stock Appreciation Rights Common Stock, par value $.0001 per share (465,000) $3.53 Feb. 3, 2019 465,000 Disposed
Jan. 3, 2017 SIGA Restricted Stock Units Common Stock, par value $.0001 per share (66,667) · · 66,667 Disposed
Dec. 8, 2016 SIGA Restricted Stock Units Common Stock, par value $.0001 per share (66,668) · · 66,668 Disposed
Dec. 8, 2016 SIGA Restricted Stock Units Common Stock, par value $.0001 per share (66,667) · · 66,667 Disposed
Nov. 22, 2016 SIGA Restricted Stock Units Common Stock, par value $.0001 per share (300,000) · · 300,000 Acquired
Sept. 22, 2015 SIGA Restricted Stock Units Common Stock, par value $.0001 per share (16,667) · · 16,667 Disposed
Sept. 22, 2015 SIGA Restricted Stock Units Common Stock, par value $.0001 per share (16,666) · · 16,666 Disposed
Sept. 22, 2015 SIGA Restricted Stock Units Common Stock, par value $.0001 per share (16,667) · · 16,667 Disposed
Sept. 2, 2015 SIGA Restricted Stock Units Common Stock, par value $.0001 per share (16,666) · · 16,666 Disposed
Sept. 2, 2015 SIGA Restricted Stock Units Common Stock, par value $.0001 per share (16,667) · · 16,667 Disposed
Sept. 2, 2015 SIGA Restricted Stock Units Common Stock, par value $.0001 per share (16,667) · · 16,667 Disposed
June 24, 2015 SIGA Restricted Stock Units Common Stock, par value $.0001 per share (16,666) · · 16,666 Acquired
June 24, 2015 SIGA Restricted Stock Units Common Stock, par value $.0001 per share (16,667) · · 16,667 Acquired
June 24, 2015 SIGA Restricted Stock Units Common Stock, par value $.0001 per share (16,667) · · 16,667 Acquired
June 8, 2015 SIGA Restricted Stock Units Common Stock, par value $.0001 per share (16,666) · · 16,666 Disposed
June 8, 2015 SIGA Restricted Stock Units Common Stock, par value $.0001 per share (16,667) · · 16,667 Disposed
June 8, 2015 SIGA Restricted Stock Units Common Stock, par value $.0001 per share (16,667) · · 16,667 Disposed
Feb. 28, 2014 SIGA Restricted Stock Units Common Stock, par value $.0001 per share (66,666) · · 66,666 Disposed
Jan. 3, 2014 SIGA Restricted Stock Units Common Stock, par value $.0001 per share (66,666) · · 66,666 Disposed
Jan. 3, 2014 SIGA Restricted Stock Units Common Stock, par value $.0001 per share (200,000) · · 200,000 Acquired
Feb. 28, 2013 SIGA Restricted Stock Units Common Stock, par value $.0001 per share (66,666) · · 66,666 Disposed
Jan. 3, 2013 SIGA Restricted Stock Units Common Stock, par value $.0001 per share (200,000) · · 200,000 Acquired
Feb. 28, 2012 SIGA Restricted Stock Units Common Stock, par value $.0001 per share (200,000) · · 200,000 Acquired
Feb. 2, 2012 SIGA Stock-Settled Stock Appreciaton Rights Common Stock, par value $.0001 per share $3.53 Feb. 2, 2019 465,000 Acquired
Nov. 14, 2008 SIGA Stock Option (Right to buy) Common Stock, par value $.0001 per share (400,000) $2.49 Nov. 14, 2018 400,000 Acquired
July 26, 2007 SIGA Stock Option (Right to buy) Common Stock, par value $.0001 per share (200,000) $3.10 July 26, 2017 200,000 Acquired
May 22, 2007 NEPH Non-qualified stock option (right to buy) Common Stock $.001 par value (10,000) $1.34 May 22, 2017 10,000 Acquired
Dec. 19, 2006 SIGA Stock Option (Right to Buy) Common Stock, par value $.0001 per share (10,000) $2.72 Dec. 19, 2016 10,000 Acquired
Feb. 2, 2006 NEPH Non-qualified stock option (right to buy) Common Stock $.001 par value (10,000) $2.57 Feb. 2, 2016 10,000 Acquired
June 2, 2005 SIGA Stock Option (Right to buy) Common Stock, par value $.0001 per share (10,000) $1.35 June 2, 2015 10,000 Acquired
April 27, 2005 NEPH Non-qualified stock option (right to buy) Common Stock $.001 par value (10,000) $3.40 April 27, 2015 10,000 Acquired
Sept. 24, 2004 NEPH Series C Convertible Preferred Stock Common stock (173,666) · · 515,000 Disposed
Sept. 24, 2004 NEPH Series D Convertible Preferred Stock Common stock (71,942) · · 160,000 Disposed

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

Initial ownership (Form 3) 6 holdings

07

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

DateTickerSecuritySharesOwnership
Jan. 30, 2023 OBIO Warrants (Right to Buy)→ Common Stock, par value $0.0001 per share ("Common Stock") (15,000) 15,000 Direct
Sept. 24, 2004 NEPH Common Stock 499,543 Direct
Sept. 24, 2004 NEPH Series C Convertible Preferred Stock→ Common Stock (173,666) 173,666 Direct
Sept. 24, 2004 NEPH Series D Convertible Preferred Stock→ Common Stock (71,942) 71,942 Direct
Sept. 24, 2004 NEPH Non-qualified stock option (right to buy)→ Common Stock · Direct
Sept. 24, 2004 NEPH Non-qualified stock option (right to buy)→ Common Stock · Direct

Compensation (DEF 14A)

08

Matched by name from proxy statements (DEF 14A) — verify against the filing.

SIGA

CEO
Fiscal yearSalaryBonusStock awards Option awardsNon-equity incentivePension changeOtherTotal
2018 $551,932 · · · · · $42,935 $594,867
2017 $732,167 · · · · · · $732,167
2016 $778,386 $1,442,516 · · · · · $2,937,902

Figures from the Summary Compensation Table of the company's proxy statement (DEF 14A). Compensation is not a recommendation.