Nguyen Diem bought SIGA

January 27, 2026 · Form 4 insider transaction

Nguyen Diem bought 55,902 shares of SIGA Technologies, Inc. at $0.00 per share, a transaction worth N/A. The trade was recorded as option exercise and disclosed on an SEC Form 4, filed 1 day after the transaction.

Direction
Acquired (buy-side)
Shares
55,902
Price
$0.00
Total value
N/A
RoleOfficer, Director
SecurityCommon Stock, par value $.0001 per share
Transaction codeM: Option exercise
Transaction dateJanuary 27, 2026
Filing dateJanuary 28, 2026
Shares owned after123,555
OwnershipDirect
10b5-1 planNo
AmendedNo

Footnotes

Represents the acquisition of Common Stock from the vesting of one-third of the restricted stock units ("RSUs") granted on January 27, 2024.

View the original Form 4 on SEC EDGAR