Form 4 for SIGA SIGA TECHNOLOGIES INC
Accepted 2026-06-10 21:14:15 ET · period of report 2026-06-09 · accession 0001193125-26-266390 · 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 | 2026-06-10 21:14 | 2026-06-09 | SIGA | Nabel Gary J. | Dir | M - OptEx | — | +24.1K | 81.0K | +42% | — |
| D | 2026-06-10 21:14 | 2026-06-09 | SIGA | Nabel Gary J. | Dir | D - Sale to Iss | $4.39 | -7,235 | 73.8K | -9% | -$31.8K |
| D | 2026-06-10 21:14 | 2026-06-09 | SIGA | Nabel Gary J. | Dir | M - OptEx | $0.00 | -24.1K | 0 | -100% | $0 |
| D | 2026-06-10 21:14 | 2026-06-09 | SIGA | Nabel Gary J. | Dir | A - Grant | $0.00 | +34.2K | 34.2K | New | $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 | 2026-06-09 | M | A | 24,116 | — | 80,989 | D | — | — | (F1) Restricted stock units ("RSUs") represent contingent rights to receive common stock of SIGA Technologies, Inc. (the "Company") on a one-for-one basis. |
| 2 | Common | Common Stock, par value $.0001 per share | 2026-06-09 | D | D | 7,235 | $4.39 | 73,754 | D | — | — | (F2) Reflects RSUs that were cash-settled, per the terms of the compensation program for Board Directors and as noted on the Form 4 filed on June 11, 2025. Partial cash-settlement of RSUs under the Board compensation program is designed to address tax obligations in connection with the vesting of RSUs. |
| 3 | Derivative | Restricted Stock Unites | 2026-06-09 | M | D | 24,116 | $0.00 | 0 | D | — · — to — | 24,116 Common Stock, par value $.0001 per share | (F1) Restricted stock units ("RSUs") represent contingent rights to receive common stock of SIGA Technologies, Inc. (the "Company") on a one-for-one basis. (F3) The RSUs were granted on June 10, 2025, and fully vested on the date of the Company's 2026 annual meeting of stockholders. (F3) The RSUs were granted on June 10, 2025, and fully vested on the date of the Company's 2026 annual meeting of stockholders. |
| 4 | Derivative | Restricted Stock Units | 2026-06-09 | A | A | 34,169 | $0.00 | 34,169 | D | — · — to — | 34,169 Common Stock, par value $.0001 per share | (F4) RSUs represent contingent rights to receive common stock of the Company on a one-for-one basis, of which up to 10,251 RSUs are expected to settle in cash value thereof but may be settled in shares at the discretion of the Board of Directors. (F5) The RSUs fully vest on the date of the Company's 2027 annual meeting of stockholders. (F5) The RSUs fully vest on the date of the Company's 2027 annual meeting of stockholders. |