Company profile

Siga Technologies Inc Insider Trading

SIGA

Every SEC Form 4 insider trading filing for Siga Technologies Inc (SIGA) since April 2023 — open-market buys and sells by directors and officers, option exercises, and cluster activity, updated as each filing is reported to the SEC. Why 2023?

Exchange
Nasdaq
Sector
Pharmaceutical Preparations
CIK
0001010086
Filings
53
Insiders
13
Last filing
2026-06-09

Activity summary

No insider transactions in the last 30 days. The most recent was on June 9, 2026, when Marshall Joseph W III bought 24,116 shares. 53 filings from 13 insiders are on record below.

Three year balance

Buy and sell value by quarter, Q2 23 to Q2 26. Siga Technologies Inc insiders were net sellers in every quarter shown.

Q2 23Q1 24Q2 24Q3 24Q4 24Q1 25Q2 25Q3 25Q1 26Q2 26

Bars below the rule are sales, above are purchases. Largest quarter on the chart is $532K.

90 day insight

Over the last 90 days, Siga Technologies Inc insiders bought $0 (21 transactions) and sold $222K (7 transactions).

  • Most active insider: Marshall Joseph W III with 4 transactions totaling $32K.
  • Largest single sale: $32K by Ford Harold Eugene Jr. on Jun 9, 2026.

Activity skews bullish — buys outpace sales.

Insider Transactions

Sourced from SEC EDGAR Form 4 filings. Updated hourly.

DateInsiderCompanyTypeSharesPriceValue
Jun 9, 2026Marshall Joseph W IIISIGA
Option Exercise
24,116
Jun 9, 2026Phillips Holly L.SIGA
Option Exercise
24,116
Jun 9, 2026Keane John MSIGA
Award
34,169
Jun 9, 2026Marshall Joseph W IIISIGA
Option Exercise
24,116
Jun 9, 2026Ford Harold Eugene Jr.SIGA
Disposition
7,235$4.39$32K

45 more transactions hidden

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Top insiders

By total value filed.

Nguyen DiemChief Executive Officer2 filings$403K
Miller Larry R.General Counsel2 filings$76K
Luckshire Daniel JExecutive VP & CFO1 filing$32K
Ford Harold Eugene Jr.Director1 filing$32K
Phillips Holly L.1 filing$32K

Institutional Ownership

Top 13F-HR holders of Siga Technologies Inc as of 2026-06-30

↓ decreasing
Total reported AUM
$31.1M
QoQ change
-82.0%
Reporting period
2026-06-30
#1
BlackRock, Inc.
CIK 0002012383
$6.8M
1.9M shares
#2
BlackRock, Inc.
CIK 0002012383
$4.8M
1.3M shares
#3
State Street Corp
CIK 0000093751
$4.1M
1.1M shares

Data source: quarterly 13F-HR filings — institutional holders report positions within 45 days of quarter end. Joined with insider activity above — see who's loading up institutionally while insiders are trading. Full 13F-HR API →