Insider at

04

Insider transactions

05
0 buys (P) 0 sells (S) Net: $0 + 22 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

No open-market trades on record; showing all filings.

DateTickerCodeSharesPriceValue Owned afterΔ ownA/Dvs now
March 25, 2026 SIGA M 6,920 · · 55,438 Direct +14.26% Acquired (price as of 2026-10-06)
March 25, 2026 SIGA F 3,526 $4.99 $17,595 51,912 Direct -6.36% Disposed -34.1% (price as of 2026-10-06)
March 25, 2026 SIGA M 6,920 · · 6,921 Direct -50.00% Disposed (price as of 2026-10-06)
March 13, 2026 SIGA A 68,060 · · 68,060 Direct · Acquired (price as of 2026-10-06)
March 13, 2026 SIGA M 21,261 · · 42,523 Direct -33.33% Disposed (price as of 2026-10-06)
March 13, 2026 SIGA F 11,187 $5.26 $58,844 48,518 Direct -18.74% Disposed -37.5% (price as of 2026-10-06)
March 13, 2026 SIGA M 21,261 · · 59,705 Direct +55.30% Acquired (price as of 2026-10-06)
April 18, 2025 SIGA A 13,841 · · 13,841 Direct · Acquired (price as of 2026-10-06)
April 18, 2025 SIGA D 13,841 · · 0 Direct -100.00% Disposed (price as of 2026-10-06)
April 18, 2025 SIGA M 6,920 · · 13,841 Direct +99.99% Acquired (price as of 2026-10-06)
April 18, 2025 SIGA F 3,532 $5.99 $21,157 38,444 Direct -8.41% Disposed -45.1% (price as of 2026-10-06)
April 18, 2025 SIGA M 6,920 · · 41,976 Direct +19.74% Acquired (price as of 2026-10-06)
March 25, 2025 SIGA M 6,920 · · 13,841 Direct -33.33% Disposed (price as of 2026-10-06)
March 25, 2025 SIGA F 2,764 $5.89 $16,280 35,056 Direct -7.31% Disposed -44.1% (price as of 2026-10-06)
March 25, 2025 SIGA M 6,920 · · 37,820 Direct +22.39% Acquired (price as of 2026-10-06)
March 13, 2025 SIGA A 63,784 · · 63,784 Direct · Acquired (price as of 2026-10-06)
March 25, 2024 SIGA A 20,761 · · 20,761 Direct · Acquired (price as of 2026-10-06)
March 25, 2024 SIGA A 20,761 · · 20,761 Direct · Acquired (price as of 2026-10-06)
March 25, 2024 SIGA A 25,504 · · 25,504 Direct · Acquired (price as of 2026-10-06)
March 25, 2024 SIGA A 61,347 · · 61,347 Direct · Acquired (price as of 2026-10-06)
March 25, 2024 SIGA F 19,040 $8.35 $158,984 30,900 Direct -38.13% Disposed -60.6% (price as of 2026-10-06)
March 25, 2024 SIGA A 49,940 · · 49,940 Direct · Acquired (price as of 2026-10-06)

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
March 25, 2026 SIGA Restricted Stock Units Common Stock, par value $.0001 per share (6,920) · · 6,920 Disposed
March 13, 2026 SIGA Restricted Stock Units Common Stock, par value $.0001 per share (68,060) · · 68,060 Acquired
March 13, 2026 SIGA Restricted Stock Units Common Stock, par value $.0001 per share (21,261) · · 21,261 Disposed
April 18, 2025 SIGA Performance Stock Units Common Stock, par value $.0001 per share (13,841) · · 13,841 Acquired
April 18, 2025 SIGA Performance Stock Units Common Stock, par value $.0001 per share (13,841) · · 13,841 Disposed
April 18, 2025 SIGA Performance Stock Units Common Stock, par value $.0001 per share (6,920) · · 6,920 Acquired
March 25, 2025 SIGA Restricted Stock Units Common Stock, par value $.0001 per share (6,920) · · 6,920 Disposed
March 13, 2025 SIGA Restricted Stock Units Common Stock, par value $.0001 per share (63,784) · · 63,784 Acquired
March 25, 2024 SIGA Performance Stock Units Common Stock, par value $.0001 per share (20,761) · · 20,761 Acquired
March 25, 2024 SIGA Restricted Stock Units Common Stock, par value $.0001 per share (20,761) · · 20,761 Acquired
March 25, 2024 SIGA Stock Option (Right to buy) Common Stock, par value $.0001 per share (25,504) $8.35 March 25, 2034 25,504 Acquired
March 25, 2024 SIGA Stock Option (Right to buy) Common Stock, par value $.0001 per share (61,347) $8.35 March 25, 2034 61,347 Acquired

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

Compensation (DEF 14A)

08

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

SIGA

General Counsel
Fiscal yearSalaryBonusStock awards Option awardsNon-equity incentivePension changeOtherTotal
2025 $695,250 $347,625 $463,495 $32,612 · · · $1,538,982
2024 $520,313 $337,500 $739,840 $590,361 · · · $2,188,014

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