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Nasdaq · CIK 0001010086

SIGA SIGA TECHNOLOGIES INC

Insider trading from SEC Form 4. Last filing Jun 10, 2026.

SIGA TECHNOLOGIES INC (SIGA) has 26 SEC Form 4 filings on file from 11 insiders, the latest filed on Jun 10, 2026. No insider bought or sold on the open market in the last 90 days; rows filed in that time are grants, exercises, tax withholding and other transactions that carry no view on the price.

Last 90 days

Net insider value
$0
no open-market trades
Buys
0
$0 by 0 insiders
Sells
0
$0 by 0 insiders
Insiders on file
11
with a Form 4 at this company

Signals

Open-market buys and sells at SIGA TECHNOLOGIES INC, scored.

No scored open-market trades yet. Grants, exercises and other rows are below.

Transactions

The newest 50 of 91 rows filed, every code.

DateInsiderTransactionSharesPriceValueHoldings afterFiled
Jun 9, 2026John M Keane
director
MOption exercise
Common Stock, par value $.0001 per share
+24,116--24,116Jun 10, 2026
Jun 9, 2026Julian Nemirovsky
director
MOption exercise
Common Stock, par value $.0001 per share
+24,116--80,989Jun 10, 2026
Jun 9, 2026Holly L. Phillips
director
MOption exercise
Common Stock, par value $.0001 per share
+24,116--80,989Jun 10, 2026
Jun 9, 2026Harold Eugene Ford Jr.
director
MOption exercise
Common Stock, par value $.0001 per share
+24,116--54,773Jun 10, 2026
Jun 9, 2026Joseph W Marshall III
director
MOption exercise
Common Stock, par value $.0001 per share
+24,116--253,758Jun 10, 2026
Jun 9, 2026Gary J. Nabel
director
MOption exercise
Common Stock, par value $.0001 per share
+24,116--80,989Jun 10, 2026
Jun 9, 2026Jaymie A Durnan
director
MOption exercise
Common Stock, par value $.0001 per share
+24,116--95,989Jun 10, 2026
Jun 9, 2026John M Keane
director
DDisposition to issuer
Common Stock, par value $.0001 per share
-7,235$4.39$32k16,881Jun 10, 2026
Jun 9, 2026Harold Eugene Ford Jr.
director
DDisposition to issuer
Common Stock, par value $.0001 per share
-7,235$4.39$32k47,538Jun 10, 2026
Jun 9, 2026Jaymie A Durnan
director
DDisposition to issuer
Common Stock, par value $.0001 per share
-7,235$4.39$32k88,754Jun 10, 2026
Jun 9, 2026Gary J. Nabel
director
DDisposition to issuer
Common Stock, par value $.0001 per share
-7,235$4.39$32k73,754Jun 10, 2026
Jun 9, 2026Holly L. Phillips
director
DDisposition to issuer
Common Stock, par value $.0001 per share
-7,235$4.39$32k73,754Jun 10, 2026
Jun 9, 2026Julian Nemirovsky
director
DDisposition to issuer
Common Stock, par value $.0001 per share
-7,235$4.39$32k73,754Jun 10, 2026
Jun 9, 2026Joseph W Marshall III
director
DDisposition to issuer
Common Stock, par value $.0001 per share
-7,235$4.39$32k246,523Jun 10, 2026
Jun 9, 2026John M Keane
director
MOption exercise
Restricted Stock Unitsderivative
-24,116$0.00$00Jun 10, 2026
Jun 9, 2026Gary J. Nabel
director
MOption exercise
Restricted Stock Unitesderivative
-24,116$0.00$00Jun 10, 2026
Jun 9, 2026Julian Nemirovsky
director
MOption exercise
Restricted Stock Unitsderivative
-24,116$0.00$00Jun 10, 2026
Jun 9, 2026Jaymie A Durnan
director
MOption exercise
Restricted Stock Unitsderivative
-24,116$0.00$00Jun 10, 2026
Jun 9, 2026Holly L. Phillips
director
MOption exercise
Restricted Stock Unitsderivative
-24,116$0.00$00Jun 10, 2026
Jun 9, 2026Harold Eugene Ford Jr.
director
MOption exercise
Restricted Stock Unitsderivative
-24,116$0.00$00Jun 10, 2026
Jun 9, 2026Joseph W Marshall III
director
MOption exercise
Restricted Stock Unitsderivative
-24,116$0.00$00Jun 10, 2026
Jun 9, 2026Joseph W Marshall III
director
AGrant or award
Restricted Stock Unitsderivative
+34,169$0.00$034,169Jun 10, 2026
Jun 9, 2026Harold Eugene Ford Jr.
director
AGrant or award
Restricted Stock Unitsderivative
+34,169$0.00$034,169Jun 10, 2026
Jun 9, 2026Jaymie A Durnan
director
AGrant or award
Restricted Stock Unitsderivative
+34,169$0.00$034,169Jun 10, 2026
Jun 9, 2026Gary J. Nabel
director
AGrant or award
Restricted Stock Unitsderivative
+34,169$0.00$034,169Jun 10, 2026
Jun 9, 2026Julian Nemirovsky
director
AGrant or award
Restricted Stock Unitsderivative
+34,169$0.00$034,169Jun 10, 2026
Jun 9, 2026John M Keane
director
AGrant or award
Restricted Stock Unitsderivative
+34,169$0.00$034,169Jun 10, 2026
Jun 9, 2026Holly L. Phillips
director
AGrant or award
Restricted Stock Unitsderivative
+34,169$0.00$034,169Jun 10, 2026
Mar 25, 2026Larry R. Miller
General Counsel
MOption exercise
Common Stock, par value $.0001 per share
+6,920$0.00$055,438Mar 26, 2026
Mar 25, 2026Larry R. Miller
General Counsel
FTax withholding
Common Stock, par value $.0001 per share
-3,526$4.99$18k51,912Mar 26, 2026
Mar 25, 2026Larry R. Miller
General Counsel
MOption exercise
Restricted Stock Unitsderivative
-6,920$0.00$06,921Mar 26, 2026
Mar 13, 2026Dennis E Hruby
EVP & Chief Scientific Officer
MOption exercise
Common Stock, par value $.0001 per share
+11,445$0.00$0202,492Mar 17, 2026
Mar 13, 2026Daniel J Luckshire
Executive VP & CFO
MOption exercise
Common Stock, par value $.0001 per share
+11,503$0.00$0286,567Mar 17, 2026
Mar 13, 2026Larry R. Miller
General Counsel
MOption exercise
Common Stock, par value $.0001 per share
+21,261$0.00$059,705Mar 17, 2026
Mar 13, 2026Diem Nguyen
Chief Executive Officer
MOption exercise
Common Stock, par value $.0001 per share
+85,045$0.00$0185,796Mar 17, 2026
Mar 13, 2026Dennis E Hruby
EVP & Chief Scientific Officer
FTax withholding
Common Stock, par value $.0001 per share
-3,955$5.26$21k198,537Mar 17, 2026
Mar 13, 2026Daniel J Luckshire
Executive VP & CFO
FTax withholding
Common Stock, par value $.0001 per share
-6,074$5.26$32k280,493Mar 17, 2026
Mar 13, 2026Larry R. Miller
General Counsel
FTax withholding
Common Stock, par value $.0001 per share
-11,187$5.26$59k48,518Mar 17, 2026
Mar 13, 2026Diem Nguyen
Chief Executive Officer
FTax withholding
Common Stock, par value $.0001 per share
-47,029$5.26$247k138,767Mar 17, 2026
Mar 13, 2026Dennis E Hruby
EVP & Chief Scientific Officer
MOption exercise
Restricted Stock Unitsderivative
-11,445$0.00$022,891Mar 17, 2026
Mar 13, 2026Daniel J Luckshire
Executive VP & CFO
MOption exercise
Restricted Stock Unitsderivative
-11,503$0.00$023,008Mar 17, 2026
Mar 13, 2026Larry R. Miller
General Counsel
MOption exercise
Restricted Stock Unitsderivative
-21,261$0.00$042,523Mar 17, 2026
Mar 13, 2026Diem Nguyen
Chief Executive Officer
MOption exercise
Restricted Stock Unitsderivative
-85,045$0.00$0170,092Mar 17, 2026
Mar 13, 2026Dennis E Hruby
EVP & Chief Scientific Officer
AGrant or award
Restricted Stock Unitsderivative
+54,942$0.00$054,942Mar 17, 2026
Mar 13, 2026Daniel J Luckshire
Executive VP & CFO
AGrant or award
Restricted Stock Unitsderivative
+55,228$0.00$055,228Mar 17, 2026
Mar 13, 2026Larry R. Miller
General Counsel
AGrant or award
Restricted Stock Unitsderivative
+68,060$0.00$068,060Mar 17, 2026
Mar 13, 2026Diem Nguyen
Chief Executive Officer
AGrant or award
Restricted Stock Unitsderivative
+272,243$0.00$0272,243Mar 17, 2026
Jan 27, 2026Diem Nguyen
Chief Executive Officer
MOption exercise
Common Stock, par value $.0001 per share
+55,902$0.00$0123,555Jan 28, 2026
Jan 27, 2026Diem Nguyen
Chief Executive Officer
FTax withholding
Common Stock, par value $.0001 per share
-22,804$6.82$156k100,751Jan 28, 2026
Jan 27, 2026Diem Nguyen
Chief Executive Officer
MOption exercise
Restricted Stock Unitsderivative
-55,902$0.00$055,903Jan 28, 2026
50 of 91 rows shown.

Insiders

Everyone who has filed a Form 4 here.

Questions about SIGA

Answered from the filings on this page, as of the latest one.

Are insiders buying SIGA?

No. In the last 90 days no insider at SIGA TECHNOLOGIES INC bought or sold shares on the open market according to SEC Form 4 filings. The rows on file from that period are grants, exercises, tax withholding or other transactions, which carry no view on the price.

Who was the last insider to trade SIGA on the open market?

No open-market trade has been scored at SIGA TECHNOLOGIES INC. The latest Form 4 on file was filed on Jun 10, 2026 and holds grants, exercises or other rows that are not market trades.

How many insiders file Form 4 at SIGA TECHNOLOGIES INC?

11 people have filed a Form 4 at SIGA TECHNOLOGIES INC, among them Jaymie A Durnan (director), Harold Eugene Ford Jr. (director), Dennis E Hruby (EVP & Chief Scientific Officer). Officers, directors and holders of more than 10% of a share class must report their trades within two business days.

Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.

SIGA insider trading: SIGA TECHNOLOGIES INC | InsiderTell