Siga Technologies Inc (SIGA) Insider Ownership

Historic Insider Ownership Trends

Over the 90-day window ending February 07, 2026, Siga Technologies's three dominant insider ownership positions are held by Director Eric A Md Rose (1.07Mn shares), Director Thomas E Constance (327.81K shares), Executive Vp & Cfo Daniel J Luckshire (275.06K shares).

Top Direct Holders

Insider ownership data is derived from the last 60 months of Form 4 SEC filings.
Holder Position Shares Report Date
Eric A Md Rose 1,068,593 17 Jun, 2021
Thomas E Constance 327,806 17 Jun, 2021
Daniel J Luckshire Executive Vp & Cfo 275,064 02 Jul, 2025
Joseph W Iii Marshall 229,642 11 Jun, 2025
Dennis E Hruby Evp & Chief Scientific Officer 191,047 02 Jul, 2025
James Antal 116,857 16 Jun, 2022
Diem Nguyen Chief Executive Officer 100,751 28 Jan, 2026
Michael C. Plansky 75,982 16 Jun, 2022
Jaymie A Durnan 71,873 11 Jun, 2025
Holly L. Phillips 56,873 11 Jun, 2025
Gary J. Nabel 56,873 11 Jun, 2025
Julian Nemirovsky 56,873 11 Jun, 2025
Robin Elizabeth Abrams General Counsel And Cao 49,787 03 Aug, 2021
Julie Kane 48,482 16 Jun, 2022
Larry R. Miller General Counsel 38,444 21 Apr, 2025
Harold Eugene Jr. Ford 30,657 11 Jun, 2025
Jay Varma Evp & Chief Medical Officer 17,298 13 Jun, 2024
Evan A. Knisely 17,298 13 Jun, 2024

* Please note that the shares above only reflect shares from the fund portfolio and the institutional portfolio. Shares from the personal portfolio are excluded from this Institutional Ownership Page. See these insiders' latest transactions here on Insider Page.

Recent Insider Transactions

Detailed insider trading activity based on Form 4 SEC filings.
Download Data
Transaction Date Insider Name Security Class Transaction Type Shares Traded Price Shares Remaining Ownership Code
27 Jan, 2026 Diem Nguyen Common Stock, par value $.0001 per share D 22,804 $6.82 100,751 D F
27 Jan, 2026 Diem Nguyen Common Stock, par value $.0001 per share A 55,902 $0.00 123,555 D M
01 Jul, 2025 Dennis E Hruby - - 201,514 D
01 Jul, 2025 Dennis E Hruby Common Stock, par value $.0001 per share A 32,258 $0.00 201,514 D M
01 Jul, 2025 Dennis E Hruby - - 191,047 D
01 Jul, 2025 Dennis E Hruby Common Stock, par value $.0001 per share D 10,467 $6.49 191,047 D F
01 Jul, 2025 Daniel J Luckshire Common Stock, par value $.0001 per share D 12,346 $6.49 275,064 D F
01 Jul, 2025 Daniel J Luckshire Common Stock, par value $.0001 per share A 24,193 $0.00 287,410 D M
10 Jun, 2025 Jaymie A Durnan Common Stock, par value $.0001 per share A 19,084 - 77,598 D M
10 Jun, 2025 Jaymie A Durnan Common Stock, par value $.0001 per share D 5,725 $6.22 71,873 D D
10 Jun, 2025 Joseph W Iii Marshall Common Stock, par value $.0001 per share D 5,725 $6.22 229,642 D D
10 Jun, 2025 Joseph W Iii Marshall Common Stock, par value $.0001 per share A 19,084 - 235,367 D M
10 Jun, 2025 Harold Eugene Jr. Ford Common Stock, par value $.0001 per share A 19,084 - 36,382 D M
10 Jun, 2025 Harold Eugene Jr. Ford Common Stock, par value $.0001 per share D 5,725 $6.22 30,657 D D
10 Jun, 2025 Julian Nemirovsky Common Stock, par value $.0001 per share D 5,725 $6.22 56,873 D D
10 Jun, 2025 Julian Nemirovsky Common Stock, par value $.0001 per share A 19,084 - 62,598 D M
10 Jun, 2025 Gary J. Nabel Common Stock, par value $.0001 per share A 19,084 - 62,598 D M
10 Jun, 2025 Gary J. Nabel Common Stock, par value $.0001 per share D 5,725 $6.22 56,873 D D
10 Jun, 2025 Holly L. Phillips - - 56,873 D
10 Jun, 2025 Holly L. Phillips Common Stock, par value $.0001 per share A 19,084 - 62,598 D M