Karen Jean Ferrante
CIK 1598502 · View on SEC EDGAR ↗
First SEC filing: June 11, 2026 · Latest: June 11, 2026
On this page
- Insider at Companies where this person is a reporting insider.
- Insider transactions Every share this person bought or sold, from Form 4 filings.
- Derivatives Options and other derivative holdings reported by this person.
- Initial holdings The stakes this person held when they first started reporting.
- Compensation Executive pay disclosed in company proxy statements.
Insider at
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 |
|---|---|---|---|---|---|---|---|---|---|
| July 1, 2026 | COGT | A | 627 | — | — | 627 Direct | — | Acquired | (price as of 2026-08-21) |
| June 9, 2026 | COGT | A | 17,901 | — | — | 17,901 Direct | — | Acquired | (price as of 2026-08-21) |
| April 1, 2026 | COGT | A | 686 | — | — | 686 Direct | — | Acquired | (price as of 2026-08-21) |
| Jan. 1, 2026 | COGT | A | 643 | — | — | 643 Direct | — | Acquired | (price as of 2026-08-21) |
| Oct. 1, 2025 | COGT | A | 1,642 | — | — | 1,642 Direct | — | Acquired | (price as of 2026-08-21) |
| July 1, 2025 | COGT | A | 3,314 | — | — | 3,314 Direct | — | Acquired | (price as of 2026-08-21) |
| June 4, 2025 | COGT | A | 44,700 | — | — | 44,700 Direct | — | Acquired | (price as of 2026-08-21) |
| May 21, 2025 | MGNX | A | 22,000 | — | — | 22,000 Direct | — | Acquired | (price as of 2026-08-21) |
| May 21, 2025 | MGNX | A | 3,750 | — | — | 3,750 Direct | — | Acquired | (price as of 2026-08-21) |
| May 20, 2025 | MGNX | M | 6,500 | — | — | 0 Direct | -100.00% | Disposed | (price as of 2026-08-21) |
| May 20, 2025 | MGNX | M | 6,500 | — | — | 11,000 Direct | +144.44% | Acquired | (price as of 2026-08-21) |
| April 1, 2025 | COGT | A | 3,788 | — | — | 3,788 Direct | — | Acquired | (price as of 2026-08-21) |
| Jan. 1, 2025 | COGT | A | 2,785 | — | — | 2,785 Direct | — | Acquired | (price as of 2026-08-21) |
| Oct. 1, 2024 | COGT | A | 2,034 | — | — | 2,034 Direct | — | Acquired | (price as of 2026-08-21) |
| July 1, 2024 | COGT | A | 2,462 | — | — | 2,462 Direct | — | Acquired | (price as of 2026-08-21) |
| June 5, 2024 | COGT | A | 44,700 | — | — | 44,700 Direct | — | Acquired | (price as of 2026-08-21) |
| May 21, 2024 | MGNX | A | 16,500 | — | — | 16,500 Direct | — | Acquired | (price as of 2026-08-21) |
| May 21, 2024 | MGNX | A | 6,500 | — | — | 6,500 Direct | — | Acquired | (price as of 2026-08-21) |
| May 20, 2024 | MGNX | M | 4,500 | — | — | 0 Direct | -100.00% | Disposed | (price as of 2026-08-21) |
| May 20, 2024 | MGNX | M | 4,500 | — | — | 4,500 Direct | — | Acquired | (price as of 2026-08-21) |
| April 1, 2024 | COGT | A | 3,213 | — | — | 3,213 Direct | — | Acquired | (price as of 2026-08-21) |
| Jan. 2, 2024 | COGT | A | 3,298 | — | — | 3,298 Direct | — | Acquired | (price as of 2026-08-21) |
| Oct. 2, 2023 | COGT | A | 2,345 | — | — | 2,345 Direct | — | Acquired | (price as of 2026-08-21) |
| July 3, 2023 | COGT | A | 1,884 | — | — | 1,884 Direct | — | Acquired | (price as of 2026-08-21) |
| June 7, 2023 | COGT | A | 36,700 | — | — | 36,700 Direct | — | Acquired | (price as of 2026-08-21) |
| May 31, 2023 | MGNX | A | 4,500 | — | — | 4,500 Direct | — | Acquired | (price as of 2026-08-21) |
| May 31, 2023 | MGNX | A | 19,000 | — | — | 19,000 Direct | — | Acquired | (price as of 2026-08-21) |
| April 3, 2023 | COGT | A | 2,053 | — | — | 2,053 Direct | — | Acquired | (price as of 2026-08-21) |
| Jan. 3, 2023 | COGT | A | 1,862 | $7.19 | $13,388 | 1,862 Direct | — | Acquired | 402.8% (price as of 2026-08-21) |
| Oct. 3, 2022 | COGT | A | 1,474 | $9.08 | $13,384 | 1,474 Direct | — | Acquired | 298.1% (price as of 2026-08-21) |
| July 1, 2022 | COGT | A | 2,279 | $5.87 | $13,378 | 2,279 Direct | — | Acquired | 515.8% (price as of 2026-08-21) |
| June 7, 2022 | COGT | A | 30,700 | — | — | 30,700 Direct | — | Acquired | (price as of 2026-08-21) |
| May 19, 2022 | MGNX | A | 20,640 | — | — | 20,640 Direct | — | Acquired | (price as of 2026-08-21) |
| May 19, 2022 | MGNX | A | 18,000 | — | — | 18,000 Direct | — | Acquired | (price as of 2026-08-21) |
| April 1, 2022 | COGT | A | 2,753 | $4.86 | $13,380 | 2,753 Direct | — | Acquired | 643.8% (price as of 2026-08-21) |
| Jan. 3, 2022 | COGT | A | 2,329 | $5.15 | $11,994 | 2,329 Direct | — | Acquired | 601.9% (price as of 2026-08-21) |
| Oct. 1, 2021 | COGT | A | 2,385 | $5.03 | $11,997 | 2,385 Direct | — | Acquired | 618.7% (price as of 2026-08-21) |
| July 1, 2021 | COGT | A | 2,513 | $4.78 | $12,012 | 2,513 Direct | — | Acquired | 656.3% (price as of 2026-08-21) |
| May 13, 2021 | MGNX | A | 15,000 | — | — | 15,000 Direct | — | Acquired | (price as of 2026-08-21) |
| April 1, 2021 | COGT | A | 2,121 | $5.66 | $12,005 | 2,121 Direct | — | Acquired | 538.7% (price as of 2026-08-21) |
| March 11, 2021 | COGT | A | 60,000 | — | — | 60,000 Direct | — | Acquired | (price as of 2026-08-21) |
| Jan. 4, 2021 | COGT | A | 1,575 | — | — | 1,575 Direct | — | Acquired | (price as of 2026-08-21) |
| Oct. 1, 2020 | COGT | A | 8,878 | $1.35 | $11,985 | 8,878 Direct | — | Acquired | 569.4% (price as of 2026-08-21) |
| July 1, 2020 | COGT | A | 38,487 | $0.31 | $11,931 | 38,487 Direct | — | Acquired | 2815.3% (price as of 2026-08-21) |
| June 9, 2020 | COGT | A | 14,331 | — | — | 14,331 Direct | — | Acquired | (price as of 2026-08-21) |
| May 14, 2020 | MGNX | A | 15,000 | — | — | 15,000 Direct | — | Acquired | (price as of 2026-08-21) |
| April 6, 2020 | COGT | A | 54,422 | $0.22 | $11,973 | 54,422 Direct | — | Acquired | 4008.0% (price as of 2026-08-21) |
| Jan. 2, 2020 | COGT | A | 26,480 | $0.45 | $11,916 | 26,480 Direct | — | Acquired | 1908.3% (price as of 2026-08-21) |
| Oct. 1, 2019 | COGT | A | 13,646 | $0.88 | $12,008 | 13,646 Direct | — | Acquired | 927.0% (price as of 2026-08-21) |
| July 1, 2019 | COGT | A | 6,199 | $1.77 | $10,972 | 6,199 Direct | — | Acquired | 410.6% (price as of 2026-08-21) |
| June 18, 2019 | COGT | A | 14,331 | — | — | 14,331 Direct | — | Acquired | (price as of 2026-08-21) |
| May 16, 2019 | MGNX | A | 4,616 | — | — | 4,616 Direct | — | Acquired | (price as of 2026-08-21) |
| May 16, 2019 | MGNX | A | 10,000 | — | — | 10,000 Direct | — | Acquired | (price as of 2026-08-21) |
| April 1, 2019 | COGT | A | 4,047 | $2.72 | $11,008 | 4,047 Direct | — | Acquired | 232.3% (price as of 2026-08-21) |
| Jan. 2, 2019 | COGT | A | 4,073 | $2.70 | $10,997 | 4,073 Direct | — | Acquired | 234.7% (price as of 2026-08-21) |
| Oct. 1, 2018 | COGT | A | 1,769 | $6.22 | $11,003 | 1,769 Direct | — | Acquired | 45.3% (price as of 2026-08-21) |
| July 26, 2018 | COGT | A | 1,261 | $8.72 | $10,996 | 1,261 Direct | — | Acquired | 3.6% (price as of 2026-08-21) |
| May 17, 2018 | MGNX | A | 10,000 | — | — | 10,000 Direct | — | Acquired | (price as of 2026-08-21) |
| May 18, 2017 | MGNX | A | 10,000 | — | — | 10,000 Direct | — | Acquired | (price as of 2026-08-21) |
| Jan. 24, 2017 | MGNX | A | 20,000 | — | — | 20,000 Direct | — | Acquired | (price as of 2026-08-21) |
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 |
|---|---|---|---|---|---|---|---|
| July 1, 2026 | COGT | Stock Option (Right to Buy) | Common Stock (627) | $38.48 | July 1, 2036 | 627 | Acquired |
| June 9, 2026 | COGT | Stock Option (Right to Buy) | Common Stock (17,901) | $31.98 | June 9, 2036 | 17,901 | Acquired |
| April 1, 2026 | COGT | Stock Option (Right to Buy) | Common Stock (686) | $35.24 | April 1, 2036 | 686 | Acquired |
| Jan. 1, 2026 | COGT | Stock Option (Right to Buy) | Common Stock (643) | $34.74 | Jan. 1, 2036 | 643 | Acquired |
| Oct. 1, 2025 | COGT | Stock Option (Right to Buy) | Common Stock (1,642) | $14.13 | Oct. 1, 2035 | 1,642 | Acquired |
| July 1, 2025 | COGT | Stock Option (Right to Buy) | Common Stock (3,314) | $7.22 | July 1, 2035 | 3,314 | Acquired |
| June 4, 2025 | COGT | Stock Option (Right to Buy) | Common Stock (44,700) | $5.64 | June 4, 2035 | 44,700 | 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 |
| April 1, 2025 | COGT | Stock Option (Right to Buy) | Common Stock (3,788) | $5.79 | April 1, 2035 | 3,788 | Acquired |
| Jan. 1, 2025 | COGT | Stock Option (Right to Buy) | Common Stock (2,785) | $7.80 | Jan. 1, 2035 | 2,785 | Acquired |
| Oct. 1, 2024 | COGT | Stock Option (Right to Buy) | Common Stock (2,034) | $10.75 | Oct. 1, 2034 | 2,034 | Acquired |
| July 1, 2024 | COGT | Stock Option (Right to Buy) | Common Stock (2,462) | $8.94 | July 1, 2034 | 2,462 | Acquired |
| June 5, 2024 | COGT | Stock Option (Right to Buy) | Common Stock (44,700) | $8.92 | June 5, 2034 | 44,700 | Acquired |
| 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 |
| April 1, 2024 | COGT | Stock Option (Right to Buy) | Common Stock (3,213) | $6.90 | April 1, 2034 | 3,213 | Acquired |
| Jan. 2, 2024 | COGT | Stock Option (Right to Buy) | Common Stock (3,298) | $6.24 | Jan. 2, 2034 | 3,298 | Acquired |
| Oct. 2, 2023 | COGT | Stock Option (Right to Buy) | Common Stock (2,345) | $9.55 | Oct. 2, 2033 | 2,345 | Acquired |
| July 3, 2023 | COGT | Stock Option (Right to Buy) | Common Stock (1,884) | $11.96 | July 3, 2033 | 1,884 | Acquired |
| June 7, 2023 | COGT | Stock Option (Right to Buy) | Common Stock (36,700) | $11.70 | June 7, 2033 | 36,700 | Acquired |
| 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 |
| April 3, 2023 | COGT | Stock Option (Right to Buy) | Common Stock (2,053) | $10.75 | April 3, 2033 | 2,053 | Acquired |
| Jan. 3, 2023 | COGT | Stock Option (Right to Buy) | Common Stock (1,862) | $11.07 | Jan. 3, 2033 | 1,862 | Acquired |
| Oct. 3, 2022 | COGT | Stock Option (Right to Buy) | Common Stock (1,474) | $14.33 | Oct. 3, 2032 | 1,474 | Acquired |
| July 1, 2022 | COGT | Stock Option (Right to Buy) | Common Stock (2,279) | $9.39 | July 1, 2032 | 2,279 | Acquired |
| June 7, 2022 | COGT | Stock Option (Right to Buy) | Common Stock (30,700) | $4.59 | June 7, 2032 | 30,700 | Acquired |
| May 19, 2022 | MGNX | Stock Option (right to buy) | Common Stock | $3.90 | May 19, 2032 | 20,640 | Acquired |
| May 19, 2022 | MGNX | Stock Option (right to buy) | Common Stock (18,000) | $3.90 | May 19, 2032 | 18,000 | Acquired |
| April 1, 2022 | COGT | Stock Option (Right to Buy) | Common Stock (2,753) | $7.92 | April 1, 2032 | 2,753 | Acquired |
| Jan. 3, 2022 | COGT | Stock Option (Right to Buy) | Common Stock (2,329) | $8.70 | Jan. 3, 2032 | 2,329 | Acquired |
| Oct. 1, 2021 | COGT | Stock Option (Right to Buy) | Common Stock (2,385) | $8.54 | Oct. 1, 2031 | 2,385 | Acquired |
| July 1, 2021 | COGT | Stock Option (Right to Buy) | Common Stock (2,513) | $8.02 | July 1, 2031 | 2,513 | Acquired |
| May 13, 2021 | MGNX | Stock Option (right to buy) | Common Stock (15,000) | $28.88 | May 13, 2031 | 15,000 | Acquired |
| April 1, 2021 | COGT | Stock Option (Right to Buy) | Common Stock (2,121) | $9.08 | April 1, 2031 | 2,121 | Acquired |
| March 11, 2021 | COGT | Stock Option (Right to Buy) | Common Stock (60,000) | $8.45 | March 11, 2031 | 60,000 | Acquired |
| Jan. 4, 2021 | COGT | Stock Option (Right to Buy) | Common Stock (1,575) | $7.62 | Jan. 4, 2031 | 1,575 | Acquired |
| Oct. 1, 2020 | COGT | Stock Option (Right to Buy) | Common Stock (8,878) | $2.26 | Oct. 1, 2030 | 8,878 | Acquired |
| July 1, 2020 | COGT | Stock Option (Right to Buy) | Common Stock (38,487) | $0.47 | July 1, 2030 | 38,487 | Acquired |
| June 9, 2020 | COGT | Stock Option (Right to Buy) | Common Stock (14,331) | $0.63 | June 9, 2030 | 14,331 | Acquired |
| May 14, 2020 | MGNX | Stock Option (right to buy) | Common Stock (15,000) | $24.97 | May 14, 2030 | 15,000 | Acquired |
| April 6, 2020 | COGT | Stock Option (Right to Buy) | Common Stock (54,422) | $0.35 | April 6, 2030 | 54,422 | Acquired |
| Jan. 2, 2020 | COGT | Stock Option (Right to Buy) | Common Stock (26,480) | $0.72 | Jan. 2, 2030 | 26,480 | Acquired |
| Oct. 1, 2019 | COGT | Stock Option (Right to Buy) | Common Stock (13,646) | $1.41 | Oct. 1, 2029 | 13,646 | Acquired |
| July 1, 2019 | COGT | Stock Option (Right to Buy) | Common Stock (6,199) | $2.41 | July 1, 2029 | 6,199 | Acquired |
| June 18, 2019 | COGT | Stock Option (Right to Buy) | Common Stock (14,331) | $2.70 | June 18, 2029 | 14,331 | Acquired |
| May 16, 2019 | MGNX | Stock Option (right to buy) | Common Stock | $18.00 | May 16, 2029 | 4,616 | Acquired |
| May 16, 2019 | MGNX | Stock Option (right to buy) | Common Stock (10,000) | $18.00 | May 16, 2029 | 10,000 | Acquired |
| April 1, 2019 | COGT | Stock Option (Right to Buy) | Common Stock (4,047) | $4.40 | April 1, 2029 | 4,047 | Acquired |
| Jan. 2, 2019 | COGT | Stock Option (Right to Buy) | Common Stock (4,073) | $4.47 | Jan. 2, 2029 | 4,073 | Acquired |
| Oct. 1, 2018 | COGT | Stock Option (Right to Buy) | Common Stock (1,769) | $10.37 | Oct. 1, 2028 | 1,769 | Acquired |
| July 26, 2018 | COGT | Stock Option (Right to Buy) | Common Stock (1,261) | $14.57 | July 26, 2028 | 1,261 | 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) 2 holdings
Securities held when first becoming an insider, per SEC Form 3.
Compensation (DEF 14A)
Matched by name from proxy statements (DEF 14A) — verify against the filing.
| Fiscal year | Salary | Bonus | Stock awards | Option awards | Non-equity incentive | Pension change | Other | Total |
|---|---|---|---|---|---|---|---|---|
| 2015 | $380,000 | — | — | — | $93,100 | — | $335 | $866,889 |
| 2014 | $249,292 | $159,477 | — | — | — | — | $65,512 | $1,620,111 |
Figures from the Summary Compensation Table of the company's proxy statement (DEF 14A). Compensation is not a recommendation.