HRUBY DENNIS E

PrivateCIK: 1301548
Location

NEW YORK, NY

HRUBY DENNIS E (VP & Chief Scientific Officer) exercised options at SIGA TECHNOLOGIES INC

Option exercise — a mechanical event triggered by vesting or expiry. Not a discretionary conviction trade.

M · 1 exercise
InsiderHRUBY DENNIS ECIK 1301548
IssuerSIGA TECHNOLOGIES INCCIK 1010086
Officer· VP & Chief Scientific Officer
Since Sep 2018
+50.99K
Net shares
Net buyer
$20.8K
Total sold
0
Open market trades
0B · 0S
4
Total transactions
66.39K acquired · 15.40K disposed
Non-Derivative Transactions2

Common Stock, par value $.0001 per share

Direct
M · Option Exercise

Shares

+11.45K

Price / share

Trade value

% of position

6.0%
3/13/2026
191.05K202.49K

Common Stock, par value $.0001 per share

Direct
F · Tax Withholding

Shares

3.96K

Price / share

$5.26

Trade value

$20.80K

% of position

2.0%
3/13/2026
202.49K198.54K
Total

Net shares

+7.49K

Net value

-$20.80K

Derivative Transactions2

Restricted Stock Units

Direct
M · Option Exercise
Converts to

Common Stock, par value $.0001 per share

11.45K shares

Shares

11.45K

Strike price

Held after

22.89K

Exercisable

3/13/2026

Restricted Stock Units

Direct
A · Award
Converts to

Common Stock, par value $.0001 per share

54.94K shares

Shares

+54.94K

Strike price

Held after

54.94K

Exercisable

3/13/2026
HRUBY DENNIS E — Insider Transaction (Form 4) Filed Mar 17, 2026 | Finecho