Julian Nemirovsky
CIK 1835535 · View on SEC EDGAR ↗
First SEC filing: June 10, 2026 · Latest: June 10, 2026
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Insider transactions
Price change vs current quote, split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted
No open-market trades on record; showing all filings.
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| June 9, 2026 | SIGA | A | 34,169 | — | — | 34,169 Direct | — | Acquired | (price as of 2026-08-18) |
| June 9, 2026 | SIGA | M | 24,116 | — | — | 0 Direct | -100.00% | Disposed | (price as of 2026-08-18) |
| June 9, 2026 | SIGA | D | 7,235 | $4.39 | $31,762 | 73,754 Direct | -8.93% | Disposed | -33.3% (price as of 2026-08-18) |
| June 9, 2026 | SIGA | M | 24,116 | — | — | 80,989 Direct | +42.40% | Acquired | (price as of 2026-08-18) |
| June 10, 2025 | SIGA | A | 24,116 | — | — | 24,116 Direct | — | Acquired | (price as of 2026-08-18) |
| June 10, 2025 | SIGA | M | 19,084 | — | — | 0 Direct | -100.00% | Disposed | (price as of 2026-08-18) |
| June 10, 2025 | SIGA | D | 5,725 | $6.22 | $35,610 | 56,873 Direct | -9.15% | Disposed | -52.9% (price as of 2026-08-18) |
| June 10, 2025 | SIGA | M | 19,084 | — | — | 62,598 Direct | +43.86% | Acquired | (price as of 2026-08-18) |
| June 11, 2024 | SIGA | A | 19,084 | — | — | 19,084 Direct | — | Acquired | (price as of 2026-08-18) |
| June 11, 2024 | SIGA | M | 24,712 | — | — | 0 Direct | -100.00% | Disposed | (price as of 2026-08-18) |
| June 11, 2024 | SIGA | D | 7,414 | $7.86 | $58,274 | 43,514 Direct | -14.56% | Disposed | -62.7% (price as of 2026-08-18) |
| June 11, 2024 | SIGA | M | 24,712 | — | — | 50,928 Direct | +94.26% | Acquired | (price as of 2026-08-18) |
| June 13, 2023 | SIGA | A | 24,712 | — | — | 24,712 Direct | — | Acquired | (price as of 2026-08-18) |
| June 13, 2023 | SIGA | M | 14,620 | — | — | 0 Direct | -100.00% | Disposed | (price as of 2026-08-18) |
| June 13, 2023 | SIGA | D | 4,386 | $6.07 | $26,623 | 26,216 Direct | -14.33% | Disposed | -51.7% (price as of 2026-08-18) |
| June 13, 2023 | SIGA | M | 14,620 | — | — | 30,602 Direct | +91.48% | Acquired | (price as of 2026-08-18) |
| June 14, 2022 | SIGA | A | 14,620 | — | — | 14,620 Direct | — | Acquired | (price as of 2026-08-18) |
| June 14, 2022 | SIGA | M | 22,831 | — | — | 0 Direct | -100.00% | Disposed | (price as of 2026-08-18) |
| June 14, 2022 | SIGA | D | 6,849 | $10.26 | $70,271 | 15,982 Direct | -30.00% | Disposed | -71.4% (price as of 2026-08-18) |
| June 14, 2022 | SIGA | M | 22,831 | — | — | 22,831 Direct | — | Acquired | (price as of 2026-08-18) |
| June 15, 2021 | SIGA | A | 22,831 | — | — | 22,831 Direct | — | Acquired | (price as of 2026-08-18) |
| Dec. 10, 2020 | SIGA | A | 25,000 | — | — | 25,000 Direct | — | Acquired | (price as of 2026-08-18) |
P = Open-market purchase · S = Sale · A = Grant/award · M = Option exercise · G = Gift · F = Tax withholding
Insider transactions are not a recommendation; sales are often driven by liquidity or tax reasons.
Derivative holdings (Form 4 Table II)
Options, RSUs and convertible securities reported on Form 4 Table II.
| Date | Ticker | Security | Underlying | Exercise price | Expiration | Shares | A/D |
|---|---|---|---|---|---|---|---|
| June 9, 2026 | SIGA | Restricted Stock Units | Common Stock, par value $.0001 per share (34,169) | — | — | 34,169 | Acquired |
| June 9, 2026 | SIGA | Restricted Stock Units | Common Stock, par value $.0001 per share (24,116) | — | — | 24,116 | Disposed |
| June 10, 2025 | SIGA | Restricted Stock Units | Common Stock, par value $.0001 per share (24,116) | — | — | 24,116 | Acquired |
| June 10, 2025 | SIGA | Restricted Stock Units | Common Stock, par value $.0001 per share (19,084) | — | — | 19,084 | Disposed |
| June 11, 2024 | SIGA | Restricted Stock Units | Common Stock, par value $.0001 per share (19,084) | — | — | 19,084 | Acquired |
| June 11, 2024 | SIGA | Restricted Stock Units | Common Stock, par value $.0001 per share (24,712) | — | — | 24,712 | Disposed |
| June 13, 2023 | SIGA | Restricted Stock Units | Common Stock, par value $.0001 per share (24,712) | — | — | 24,712 | Acquired |
| June 13, 2023 | SIGA | Restricted Stock Units | Common Stock, par value $.0001 per share (14,620) | — | — | 14,620 | Disposed |
| June 14, 2022 | SIGA | Restricted Stock Units | Common Stock, par value $.0001 per share (14,620) | — | — | 14,620 | Acquired |
| June 14, 2022 | SIGA | Restricted Stock Units | Common Stock, par value $.0001 per share (22,831) | — | — | 22,831 | Disposed |
| June 15, 2021 | SIGA | Restricted Stock Units | Common Stock, par value $.0001 per share (22,831) | — | — | 22,831 | Acquired |
| Dec. 10, 2020 | SIGA | Stock Option (Right to buy) | Common Stock, par value $.0001 per share (25,000) | $7.00 | Dec. 10, 2030 | 25,000 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).