SIGA TECHNOLOGIES INC (SIGA) Insider Trading & SEC Filings

Updated Jul 16, 2026 · Last SEC filing 2026-06-11

SIGA TECHNOLOGIES INC (SIGA) has filed 7 SEC Form 4 insider transactions in the last 90 days, with the most recent on 2026-06-11. 2 Form 8-K material event filings were reported by SIGA in the last 90 days. InsiderAlpha tracks every SIGA SEC filing — Form 4, Form 144, and 8-K — in real time, including Rule 10b5-1 plan detection.

About SIGA TECHNOLOGIES INC (SIGA)

SIC classification	Pharmaceutical Preparations (SIC 2834)
SEC CIK	0001010086

90-Day SEC Filing Activity

Form 4 filings (90d)	7
Form 8-K filings (90d)	2
Latest Form 4 filing	2026-06-11

Recent SIGA Insider Transactions (Form 4)

Date	Insider	Role	Transaction	Shares	Price	Value	Filing
2026-06-09	Marshall Joseph W III	Insider	D — Derivative transaction	7.2K	$4.39	$32K	SEC
2026-06-09	KEANE JOHN M	Insider	D — Derivative transaction	7.2K	$4.39	$32K	SEC
2026-06-09	Nemirovsky Julian	Insider	D — Derivative transaction	7.2K	$4.39	$32K	SEC
2026-06-09	Marshall Joseph W III	Insider	M — Option exercise	24.1K	—	—	SEC
2026-06-09	Ford Harold Eugene Jr.	Insider	D — Derivative transaction	7.2K	$4.39	$32K	SEC
2026-06-09	KEANE JOHN M	Insider	M — Option exercise	24.1K	—	—	SEC
2026-06-09	DURNAN JAYMIE A	Insider	D — Derivative transaction	7.2K	$4.39	$32K	SEC
2026-06-09	Nabel Gary J.	Insider	M — Option exercise	24.1K	—	—	SEC
2026-06-09	DURNAN JAYMIE A	Insider	M — Option exercise	24.1K	—	—	SEC
2026-06-09	Nemirovsky Julian	Insider	M — Option exercise	24.1K	—	—	SEC
2026-06-09	Nabel Gary J.	Insider	D — Derivative transaction	7.2K	$4.39	$32K	SEC
2026-06-09	Ford Harold Eugene Jr.	Insider	M — Option exercise	24.1K	—	—	SEC
2026-06-09	Phillips Holly L.	Insider	M — Option exercise	24.1K	—	—	SEC
2026-06-09	Phillips Holly L.	Insider	D — Derivative transaction	7.2K	$4.39	$32K	SEC
2026-03-25	Miller Larry R.	General Counsel	F — Tax withholding / forfeiture	3.5K	$4.99	$18K	SEC

All transactions sourced from SEC EDGAR Form 4 filings for SIGA TECHNOLOGIES INC (SIGA). Updated in real time as new filings are submitted to the SEC.

Most-Active SIGA Insiders — Last 90 Days

Insider	Form 4 filings	Total transaction value
Nabel Gary J.	4	$32K
DURNAN JAYMIE A	4	$32K
Phillips Holly L.	4	$32K
Marshall Joseph W III	4	$32K
Ford Harold Eugene Jr.	4	$32K

Recent SIGA Form 8-K Material Events

2026-06-10 — Item 5.02, 5.07, 9.01 [SEC]
2026-05-07 — Item 2.02, 9.01 [SEC]
2026-03-26 — Item 8.01 · Other · positive [SEC]
SIGA Technologies declared a special, one-time cash dividend of $0.60 per share, payable on April 23, 2026 to shareholders of record on April 7, 2026. This represents a return of capital to shareholders and signals management confidence in the company's financial position.
2026-03-10 — Item 2.02, 9.01 · Earnings · neutral [SEC]
SIGA Technologies issued a press release on March 10, 2026 announcing its financial results for the three and twelve months ended December 31, 2025. The filing provides standard quarterly and annual financial results without explicit beat/miss language or forward guidance changes

Recent Insider Filings

2026-06-11 — Marshall Joseph W III (Insider)
2026-06-11 — KEANE JOHN M (Insider)
2026-06-11 — Ford Harold Eugene Jr. (Insider)
2026-06-11 — Phillips Holly L. (Insider)
2026-06-11 — Nemirovsky Julian (Insider)

Form 4 Transaction Code Reference

SEC Form 4 transactions are reported with a one-letter code indicating the type of transaction. Common codes you'll see in SIGA insider filings:

P	Open-market purchase by the insider
S	Open-market sale by the insider
A	Grant, award, or other acquisition from the issuer
M	Exercise or conversion of derivative security (e.g. options)
F	Payment of exercise price or tax liability via share withholding
G	Bona-fide gift of securities
D	Disposition to the issuer (e.g. share buyback participation)
J	Other acquisition or disposition
X	Exercise of in-the-money or at-the-money derivative security
C	Conversion of derivative security
V	Transaction voluntarily reported earlier than required

SIGA Insider Trading — FAQ

What is the latest insider trade for SIGA?: SIGA TECHNOLOGIES INC (SIGA) had 7 insider filings in the last 90 days, with the most recent on 2026-06-11. InsiderAlpha tracks every Form 4, 10-K, 10-Q, and 8-K filing in real time.
How many insiders are buying SIGA stock?: 0 insider purchases of SIGA were filed in the last 90 days.
How many insiders are selling SIGA stock?: 0 insider sales of SIGA were filed in the last 90 days.
Where can I see SIGA SEC filings (Form 4, 10-K, 10-Q, 8-K)?: InsiderAlpha aggregates every SIGA SEC filing — Form 4 insider transactions, 10-K and 10-Q quarterly reports, and 8-K material event disclosures — in one timeline.

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