Kenneth Galbraith
CIK 1567045 · View on SEC EDGAR ↗
First SEC filing: Oct. 9, 2013 · Latest: Oct. 9, 2013
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
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| Jan. 12, 2026 | ZYME | S | 30,424 | $22.67 | $689,712 | 226,842 Direct | -11.83% | Disposed | 22.2% (price as of 2026-08-19) |
| Jan. 5, 2026 | ZYME | S | 31,686 | $25.10 | $795,319 | 193,266 Direct | -14.09% | Disposed | 10.3% (price as of 2026-08-19) |
| Jan. 5, 2026 | ZYME | S | 22,657 | $25.10 | $568,691 | 158,286 Direct | -12.52% | Disposed | 10.3% (price as of 2026-08-19) |
| Dec. 22, 2025 | ZYME | S | 47,528 | $27.02 | $1,284,207 | 133,275 Direct | -26.29% | Disposed | 2.5% (price as of 2026-08-19) |
| Jan. 6, 2025 | ZYME | S | 33,406 | $14.92 | $498,418 | 80,803 Direct | -29.25% | Disposed | 85.6% (price as of 2026-08-19) |
| Jan. 6, 2025 | ZYME | S | 23,885 | $14.92 | $356,364 | 47,543 Direct | -33.44% | Disposed | 85.6% (price as of 2026-08-19) |
| Jan. 8, 2024 | ZYME | S | 5,706 | $11.22 | $64,021 | 23,762 Direct | -19.36% | Disposed | 146.8% (price as of 2026-08-19) |
| Jan. 5, 2024 | ZYME | S | 18,198 | $10.65 | $193,809 | 29,468 Direct | -38.18% | Disposed | 160.1% (price as of 2026-08-19) |
| Sept. 9, 2020 | MGNX | S | 13,849 | $27.11 | $375,446 | 0 Direct | -100.00% | Disposed | -84.6% (price as of 2026-08-19) |
| Sept. 9, 2020 | MGNX | S | 6,924 | $27.11 | $187,710 | 0 Direct | -100.00% | Disposed | -84.6% (price as of 2026-08-19) |
| Oct. 16, 2013 | MGNX | P | 46,875 | $16.00 | $750,000 | 46,875 Indirect | — | Acquired | -73.9% (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 |
|---|---|---|---|---|---|---|---|
| Jan. 12, 2026 | ZYME | Restricted Stock Unit | Common Stock (144,000) | — | — | 144,000 | Acquired |
| Jan. 12, 2026 | ZYME | Performance Stock Unit | Common Stock (222,000) | — | — | 222,000 | Acquired |
| Jan. 12, 2026 | ZYME | Stock Option (Right to Buy) | Common Stock (216,000) | $23.16 | Jan. 11, 2036 | 216,000 | Acquired |
| Jan. 12, 2026 | ZYME | Restricted Stock Unit | Common Stock (64,000) | — | — | 64,000 | Disposed |
| Jan. 5, 2026 | ZYME | Restricted Stock Unit | Common Stock (66,666) | — | — | 66,666 | Disposed |
| Jan. 5, 2026 | ZYME | Restricted Stock Unit | Common Stock (47,668) | — | — | 47,668 | Disposed |
| Dec. 22, 2025 | ZYME | Restricted Stock Unit | Common Stock (100,000) | — | Dec. 22, 2025 | 100,000 | Disposed |
| Jan. 10, 2025 | ZYME | Restricted Stock Unit | Common Stock (192,000) | — | — | 192,000 | Acquired |
| Jan. 10, 2025 | ZYME | Stock Option (Right to Buy) | Common Stock (288,000) | $13.22 | Jan. 9, 2035 | 288,000 | Acquired |
| Jan. 6, 2025 | ZYME | Restricted Stock Unit | Common Stock (66,666) | — | — | 66,666 | Disposed |
| Jan. 6, 2025 | ZYME | Restricted Stock Unit | Common Stock (47,666) | — | — | 47,666 | Disposed |
| Jan. 5, 2024 | ZYME | Restricted Stock Unit | Common Stock (200,000) | — | — | 200,000 | Acquired |
| Jan. 5, 2024 | ZYME | Stock Option (Right to Buy) | Common Stock (300,000) | $10.56 | Jan. 4, 2034 | 300,000 | Acquired |
| Jan. 5, 2024 | ZYME | Restricted Stock Unit | Common Stock (47,666) | — | — | 47,666 | Disposed |
| Jan. 5, 2023 | ZYME | Restricted Stock Unit | Common Stock (143,000) | — | — | 143,000 | Acquired |
| Jan. 5, 2023 | ZYME | Stock Option (Right to Buy) | Common Stock (215,000) | $8.00 | Jan. 4, 2033 | 215,000 | Acquired |
| Dec. 22, 2022 | ZYME | Restricted Stock Unit | Common Stock (100,000) | — | Dec. 22, 2025 | 100,000 | Acquired |
| May 13, 2021 | MGNX | Stock Option (right to buy) | Common Stock (15,000) | $28.88 | May 13, 2031 | 15,000 | Acquired |
| Sept. 9, 2020 | MGNX | Stock Option (right to buy) | Common Stock (13,849) | $16.00 | Oct. 9, 2023 | 13,849 | Disposed |
| Sept. 9, 2020 | MGNX | Stock Option (right to buy) | Common Stock (6,924) | $20.15 | June 5, 2024 | 6,924 | Disposed |
| May 14, 2020 | MGNX | Stock Option (right to buy) | Common Stock (15,000) | $24.97 | May 14, 2030 | 15,000 | Acquired |
| May 16, 2019 | MGNX | Stock Option (right to buy) | Common Stock (10,000) | $18.00 | May 16, 2029 | 10,000 | 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 |
| May 18, 2016 | MGNX | Stock Option (right to buy) | Common Stock (8,500) | $21.06 | May 18, 2026 | 8,500 | Acquired |
| May 20, 2015 | MGNX | Stock Option (right to buy) | Common Stock (8,500) | $32.34 | May 20, 2015 | 8,500 | Acquired |
| June 5, 2014 | MGNX | Stock Option (right to buy) | Common Stock (6,924) | $20.15 | June 5, 2024 | 6,924 | Acquired |
| Oct. 16, 2013 | MGNX | Series D-2 Convertible Preferred Warrants | Common Stock (15,315) | — | Oct. 16, 2013 | 287,533 | Disposed |
| Oct. 16, 2013 | MGNX | Series D-2 Convertible Preferred Stock | Common Stock (204,207) | — | — | 3,833,767 | Disposed |
| Oct. 16, 2013 | MGNX | Series C Convertible Preferred Stock | Common Stock (1,050,652) | — | — | 19,724,839 | Disposed |
| Oct. 9, 2013 | MGNX | Stock Option (right to buy) | Common Stock (13,849) | $16.00 | Oct. 9, 2023 | 13,849 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
Initial ownership (Form 3) 3 holdings
Securities held when first becoming an insider, per SEC Form 3.
| Date | Ticker | Security | Shares | Ownership |
|---|---|---|---|---|
| Oct. 9, 2013 | MGNX | Series C Convertible Preferred Stock→ Common Stock (19,724,839) | 19,724,839 | Indirect |
| Oct. 9, 2013 | MGNX | Series D-2 Convertible Preferred Stock→ Common Stock (3,833,767) | 3,833,767 | Indirect |
| Oct. 9, 2013 | MGNX | Series D-2 Convertible Preferred Warrants→ Common Stock | — | Indirect |
Compensation (DEF 14A)
Matched by name from proxy statements (DEF 14A) — verify against the filing.
ZYME
CEO, President & Chair(4)| Fiscal year | Salary | Bonus | Stock awards | Option awards | Non-equity incentive | Pension change | Other | Total |
|---|---|---|---|---|---|---|---|---|
| 2024 | $654,833 | — | — | — | $361,652 | — | $139,459 | $5,253,616 |
| 2023 | $625,452 | — | — | — | $321,651 | — | $89,146 | $3,374,876 |
| 2022 | $582,481 | — | — | — | $537,728 | — | $81,249 | $7,125,457 |
Figures from the Summary Compensation Table of the company's proxy statement (DEF 14A). Compensation is not a recommendation.