Form 4 for SIGA SIGA TECHNOLOGIES INC
Accepted 2026-03-26 00:00:00 ET · period of report 2026-03-25 · accession 0001193125-26-126758 · SEC index · Original document
Summary rows
Aggregated the way they appear in lists: one row per insider, transaction code and security table.
| X | Filed | Traded | Ticker | Insider | Title | Type | Price | Qty | Owned | ΔOwn | Value |
|---|---|---|---|---|---|---|---|---|---|---|---|
| D | 2026-03-26 | 2026-03-25 | SIGA | Miller Larry R. | GC | M - OptEx | $0.00 | +6,920 | 55.4K | +14% | $0 |
| D | 2026-03-26 | 2026-03-25 | SIGA | Miller Larry R. | GC | F - Tax | $4.99 | -3,526 | 51.9K | -6% | -$17.6K |
| D | 2026-03-26 | 2026-03-25 | SIGA | Miller Larry R. | GC | M - OptEx | $0.00 | -6,920 | 6,921 | -50% | $0 |
Purchase Sale Sale after option exercise All abbreviations
Every reported transaction
| # | Table | Security | Date | Code | A/D | Shares | Price | Owned after | Own | Exercise / expiry | Underlying | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Common | Common Stock, par value $.0001 per share | 2026-03-25 | M | A | 6,920 | $0.00 | 55,438 | D | — | — | (F1) Represents the acquisition of Common Stock from the vesting of one-third of the restricted stock units ("RSUs") granted on March 25, 2024. |
| 2 | Common | Common Stock, par value $.0001 per share | 2026-03-25 | F | D | 3,526 | $4.99 | 51,912 | D | — | — | (F2) Represents the withholding by the Issuer of shares of Common Stock (based on $4.99 per share, the closing stock price on March 25, 2026) to satisfy tax withholding obligations associated with the vesting of RSUs and the consequent issuance of Common Stock. |
| 3 | Derivative | Restricted Stock Units | 2026-03-25 | M | D | 6,920 | $0.00 | 6,921 | D | — · — to — | 6,920 Common Stock, par value $.0001 per share | (F3) RSUs represent contingent rights to receive Common Stock on a one-for-one basis. The RSUs vest over three years, one-third on each of the first three anniversaries of the date of grant. |