Scott Thomas Jackson
CIK 1566617 · View on SEC EDGAR ↗
First SEC filing: Nov. 28, 2018 · Latest: Nov. 28, 2018
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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 23, 2026 | SPRO | A | 20,000 | — | — | 20,000 Direct | — | Acquired | (price as of 2026-08-19) |
| June 23, 2026 | SPRO | A | 10,000 | — | — | 85,000 Direct | +13.33% | Acquired | (price as of 2026-08-19) |
| June 12, 2025 | SPRO | A | 20,000 | — | — | 75,000 Direct | +36.36% | Acquired | (price as of 2026-08-19) |
| May 21, 2025 | MGNX | A | 22,000 | — | — | 22,000 Direct | — | Acquired | (price as of 2026-08-19) |
| May 21, 2025 | MGNX | A | 3,750 | — | — | 3,750 Direct | — | Acquired | (price as of 2026-08-19) |
| May 20, 2025 | MGNX | M | 6,500 | — | — | 0 Direct | -100.00% | Disposed | (price as of 2026-08-19) |
| May 20, 2025 | MGNX | M | 6,500 | — | — | 11,000 Direct | +144.44% | Acquired | (price as of 2026-08-19) |
| May 29, 2024 | SPRO | A | 20,000 | — | — | 55,000 Direct | +57.14% | Acquired | (price as of 2026-08-19) |
| May 21, 2024 | MGNX | A | 16,500 | — | — | 16,500 Direct | — | Acquired | (price as of 2026-08-19) |
| May 21, 2024 | MGNX | A | 6,500 | — | — | 6,500 Direct | — | Acquired | (price as of 2026-08-19) |
| May 20, 2024 | MGNX | M | 4,500 | — | — | 0 Direct | -100.00% | Disposed | (price as of 2026-08-19) |
| May 20, 2024 | MGNX | M | 4,500 | — | — | 4,500 Direct | — | Acquired | (price as of 2026-08-19) |
| Oct. 5, 2023 | SPRO | A | 20,000 | — | — | 35,000 Direct | +133.33% | Acquired | (price as of 2026-08-19) |
| May 31, 2023 | MGNX | A | 4,500 | — | — | 4,500 Direct | — | Acquired | (price as of 2026-08-19) |
| May 31, 2023 | MGNX | A | 19,000 | — | — | 19,000 Direct | — | Acquired | (price as of 2026-08-19) |
| May 19, 2023 | CBIO | A | 35,000 | — | — | 35,000 Direct | — | Acquired | (price as of 2026-08-19) |
| Sept. 15, 2022 | SPRO | A | 15,000 | — | — | 15,000 Direct | — | Acquired | (price as of 2026-08-19) |
| May 19, 2022 | MGNX | A | 18,000 | — | — | 18,000 Direct | — | Acquired | (price as of 2026-08-19) |
| May 18, 2022 | CBIO | A | 21,000 | — | — | 21,000 Direct | — | Acquired | (price as of 2026-08-19) |
| Aug. 17, 2021 | SPRO | A | 7,500 | — | — | 7,500 Direct | — | Acquired | (price as of 2026-08-19) |
| May 18, 2021 | CBIO | A | 5,250 | — | — | 5,250 Direct | — | Acquired | (price as of 2026-08-19) |
| May 18, 2021 | CBIO | A | 10,500 | — | — | 10,500 Direct | — | Acquired | (price as of 2026-08-19) |
| May 13, 2021 | MGNX | A | 15,000 | — | — | 15,000 Direct | — | Acquired | (price as of 2026-08-19) |
| Oct. 27, 2020 | SPRO | A | 7,500 | — | — | 7,500 Direct | — | Acquired | (price as of 2026-08-19) |
| June 23, 2020 | SPRO | A | 15,000 | — | — | 15,000 Direct | — | Acquired | (price as of 2026-08-19) |
| May 22, 2020 | CBIO | A | 21,000 | — | — | 21,000 Direct | — | Acquired | (price as of 2026-08-19) |
| May 14, 2020 | MGNX | A | 15,000 | — | — | 15,000 Direct | — | Acquired | (price as of 2026-08-19) |
| May 17, 2019 | CBIO | A | 21,000 | — | — | 21,000 Direct | — | Acquired | (price as of 2026-08-19) |
| May 16, 2019 | MGNX | A | 10,000 | — | — | 10,000 Direct | — | Acquired | (price as of 2026-08-19) |
| Nov. 27, 2018 | CBIO | A | 22,000 | — | — | 22,000 Direct | — | Acquired | (price as of 2026-08-19) |
| May 17, 2018 | MGNX | A | 10,000 | — | — | 10,000 Direct | — | Acquired | (price as of 2026-08-19) |
| May 18, 2017 | MGNX | A | 10,000 | — | — | 10,000 Direct | — | Acquired | (price as of 2026-08-19) |
| Jan. 24, 2017 | MGNX | A | 20,000 | — | — | 20,000 Direct | — | Acquired | (price as of 2026-08-19) |
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 23, 2026 | SPRO | Stock Option (right to buy) | Common Stock (20,000) | $2.15 | June 23, 2036 | 20,000 | Acquired |
| May 21, 2025 | MGNX | Stock Option (right to buy) | Common Stock (22,000) | $1.49 | May 21, 2035 | 22,000 | Acquired |
| May 21, 2025 | MGNX | Restricted Stock Unit | Common Stock (3,750) | — | — | 3,750 | Acquired |
| May 20, 2025 | MGNX | Restricted Stock Unit | Common Stock (6,500) | — | — | 6,500 | Disposed |
| May 21, 2024 | MGNX | Stock Option (right to buy) | Common Stock (16,500) | $4.26 | May 21, 2034 | 16,500 | Acquired |
| May 21, 2024 | MGNX | Restricted Stock Unit | Common Stock (6,500) | — | — | 6,500 | Acquired |
| May 20, 2024 | MGNX | Restricted Stock Unit | Common Stock (4,500) | — | — | 4,500 | Disposed |
| May 31, 2023 | MGNX | Restricted Stock Unit | Common Stock (4,500) | — | — | 4,500 | Acquired |
| May 31, 2023 | MGNX | Stock Option (right to buy) | Common Stock (19,000) | $4.67 | May 31, 2033 | 19,000 | Acquired |
| May 19, 2023 | CBIO | Stock Option (right to buy) | Common Stock (35,000) | $1.98 | May 18, 2033 | 35,000 | Acquired |
| May 19, 2022 | MGNX | Stock Option (right to buy) | Common Stock (18,000) | $3.90 | May 19, 2032 | 18,000 | Acquired |
| May 18, 2022 | CBIO | Stock Option (right to buy) | Common Stock (21,000) | $0.60 | May 17, 2032 | 21,000 | Acquired |
| Aug. 17, 2021 | SPRO | Stock Option (right to buy) | Common Stock (7,500) | $13.69 | Aug. 17, 2031 | 7,500 | Acquired |
| May 18, 2021 | CBIO | Stock Option (right to buy) | Common Stock (10,500) | $2.55 | May 17, 2031 | 10,500 | Acquired |
| May 13, 2021 | MGNX | Stock Option (right to buy) | Common Stock (15,000) | $28.88 | May 13, 2031 | 15,000 | Acquired |
| Oct. 27, 2020 | SPRO | Stock Option (right to buy) | Common Stock (7,500) | $13.52 | Oct. 27, 2030 | 7,500 | Acquired |
| June 23, 2020 | SPRO | Stock Option (right to buy) | Common Stock (15,000) | $13.94 | June 23, 2030 | 15,000 | Acquired |
| May 22, 2020 | CBIO | Stock Option (right to buy) | Common Stock (21,000) | $3.00 | May 21, 2030 | 21,000 | Acquired |
| May 14, 2020 | MGNX | Stock Option (right to buy) | Common Stock (15,000) | $24.97 | May 14, 2030 | 15,000 | Acquired |
| May 17, 2019 | CBIO | Stock Option (right to buy) | Common Stock (21,000) | $12.39 | May 16, 2029 | 21,000 | Acquired |
| May 16, 2019 | MGNX | Stock Option (right to buy) | Common Stock (10,000) | $18.00 | May 16, 2029 | 10,000 | Acquired |
| Nov. 27, 2018 | CBIO | Stock Option (right to buy) | Common Stock (22,000) | $11.52 | Nov. 26, 2028 | 22,000 | Acquired |
| May 17, 2018 | MGNX | Stock Option (right to buy) | Common Stock (10,000) | $21.34 | May 17, 2028 | 10,000 | Acquired |
| May 18, 2017 | MGNX | Stock Option (right to buy) | Common Stock (10,000) | $19.57 | May 18, 2027 | 10,000 | Acquired |
| Jan. 24, 2017 | MGNX | Stock Option (right to buy) | Common Stock (20,000) | $18.52 | Jan. 24, 2027 | 20,000 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
Initial ownership (Form 3) 1 holding
Securities held when first becoming an insider, per SEC Form 3.
| Date | Ticker | Security | Shares | Ownership |
|---|---|---|---|---|
| Nov. 28, 2018 | CBIO | No securities beneficially owned | 0 | Direct |