James Antal

CIK 1315696 · View on SEC EDGAR ↗

Insider

First SEC filing: Feb. 9, 2005 · Latest: Feb. 9, 2005

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Insider transactions

0 buys (P) 0 sells (S) Net: $0 + 48 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

48 other filings hidden
Date Ticker Code Shares Price Value Owned after Δ own A/D vs now
Dec. 9, 2021 SIGA S 30,000 $7.82 $234,600 100,875 Direct -22.92% Disposed -61.0% (price as of 2026-08-20)
Aug. 27, 2020 SIGA S 30,000 $7.10 $213,000 115,875 Direct -20.57% Disposed -57.0% (price as of 2026-08-20)
June 5, 2019 SIGA S 30,000 $5.70 $171,000 130,875 Direct -18.65% Disposed -46.5% (price as of 2026-08-20)
May 19, 2011 SIGA S 25,000 $13.64 $341,000 11,154 Direct -69.15% Disposed -77.6% (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
June 14, 2022 SIGA Restricted Stock Units Common Stock, par value $.0001 per share (14,620) — — 14,620 Acquired
June 14, 2022 SIGA Restricted Stock Units Common Stock, par value $.0001 per share (22,831) — — 22,831 Disposed
June 15, 2021 SIGA Restricted Stock Units Common Stock, par value $.0001 per share (22,831) — — 22,831 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
May 22, 2019 SIGA Restricted Stock Units Common Stock, par value $.0001 per share (15,000) — — 15,000 Disposed
May 21, 2019 SIGA Restricted Stock Units Common Stock, par value $.0001 per share (15,000) — — 15,000 Acquired
May 23, 2018 SIGA Restricted Stock Units Common Stock, par value $.0001 per share (15,000) — — 15,000 Disposed
May 22, 2018 SIGA Restricted Stock Units Common Stock, par value $.0001 per share (15,000) — — 15,000 Acquired
April 18, 2018 SIGA Stock Option (Right to Buy) Common Stock, par value $.0001 per share (10,000) $3.53 May 14, 2018 10,000 Disposed
May 23, 2017 SIGA Restricted Stock Units Common Stock, par value $.0001 per share (15,000) — — 15,000 Acquired
May 17, 2017 SIGA Restricted Stock Units Common Stock, par value $.0001 per share (15,000) — — 15,000 Disposed
May 17, 2016 SIGA Restricted Stock Units Common Stock, par value $.0001 per share (15,000) — — 15,000 Acquired
May 14, 2016 SIGA Restricted Stock Units Common Stock, par value $.0001 per share (15,000) — — 15,000 Disposed
May 28, 2015 SIGA Stock Option (right to buy) Common Stock, par value $.0001 per share (10,000) $1.22 June 2, 2015 10,000 Disposed
May 15, 2015 SIGA Restricted Stock Units Common Stock, par value $.0001 per share (15,000) — — 15,000 Disposed
May 14, 2015 SIGA Restricted Stock Units Common Stock, par value $.0001 per share (15,000) — — 15,000 Acquired
May 15, 2014 SIGA Restricted Stock Units Common Stock, par value $.0001 per share (15,000) — — 15,000 Acquired
May 15, 2014 SIGA Restricted Stock Units Common Stock, par value $.0001 per share (15,000) — — 15,000 Disposed
May 23, 2013 SIGA Restricted Stock Units Common Stock, par value $.0001 per share (15,000) — — 15,000 Disposed
May 15, 2013 SIGA Restricted Stock Units Common Stock, par value $.0001 per share (15,000) — — 15,000 Acquired
May 23, 2012 SIGA Restricted Stock Units Common Stock, par value $.0001 per share (15,000) — — 15,000 Acquired
May 19, 2011 SIGA Stock Option (Right to buy) Common Stock, par value $.0001 per share (25,000) $1.47 Dec. 14, 2014 25,000 Disposed
May 17, 2011 SIGA Stock Option (Right to buy) Common Stock, par value $.0001 per share (10,000) $14.22 May 17, 2021 10,000 Acquired
May 13, 2010 SIGA Stock Option (Right to buy) Common Stock, par value $.0001 per share (10,000) $7.71 May 13, 2020 10,000 Acquired
May 13, 2009 SIGA Stock Option (Right to buy) Common Stock, par value $.0001 per share (10,000) $6.17 May 13, 2019 10,000 Acquired
May 14, 2008 SIGA Stock Option (Right to Buy) Common Stock, Par Value $.0001 per share (10,000) $3.53 May 14, 2018 10,000 Acquired
May 30, 2007 SIGA Stock Option (Right to buy) Common Stock, par value $.0001 per share (10,000) $3.73 May 30, 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
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
Dec. 14, 2004 SIGA Stock Option (Right to buy) Common Stock, par value $.0001 per share (25,000) $0.00 Dec. 14, 2014 25,000 Acquired

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

Initial ownership (Form 3) 1 holding

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

Date Ticker Security Shares Ownership
Feb. 9, 2005 SIGA Common Stock, par value $.0001 per share 11,154 Direct