William Michael Kavanaugh
CIK 1578767 · View on SEC EDGAR ↗
First SEC filing: Oct. 7, 2015 · Latest: Oct. 7, 2015
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 |
|---|---|---|---|---|---|---|---|---|---|
| Oct. 4, 2017 | CTMX | S 10b5-1 | 48,368 | $24.34 | $1,177,277 | 13,917 Direct | -77.66% | Disposed | -85.5% (price as of 2026-08-19) |
| Oct. 14, 2015 | CTMX | P | 5,000 | $12.00 | $60,000 | 5,000 Direct | — | Acquired | -70.7% (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. 24, 2018 | CTMX | Stock Option (right to buy) | Common Stock (75,000) | $25.82 | Jan. 23, 2028 | 75,000 | Acquired |
| Dec. 8, 2017 | CTMX | Stock Option (Right to Buy) | Common Stock (5,130) | $1.57 | Feb. 8, 2025 | 5,130 | Disposed |
| Oct. 4, 2017 | CTMX | Stock Option (Right to Buy) | Common Stock (48,368) | $4.47 | May 6, 2025 | 48,368 | Disposed |
| April 14, 2017 | CTMX | Stock Option (Right to Buy) | Common Stock (48,368) | $4.47 | May 6, 2025 | 48,368 | Acquired |
| Jan. 25, 2017 | CTMX | Stock Option (right to buy) | Common Stock (120,000) | $11.94 | Jan. 24, 2027 | 120,000 | Acquired |
| Sept. 26, 2016 | CTMX | Stock Option (Right to Buy) | Common Stock (48,368) | $4.47 | May 6, 2025 | 48,368 | Acquired |
| Jan. 21, 2016 | CTMX | Employee Stock Option (right to buy) | Common Stock (80,000) | $14.46 | Jan. 20, 2026 | 80,000 | Acquired |
| Dec. 31, 2015 | CTMX | Employee Stock Option (right to buy) | Common Stock (8,917) | $6.61 | Aug. 25, 2025 | 8,917 | Disposed |
| Aug. 26, 2015 | CTMX | Emploiyee Stock Option (right to buy) | Common Stock (85,605) | $6.61 | Aug. 25, 2025 | 85,605 | Acquired |
| May 7, 2015 | CTMX | Employee Stock Option (right to buy) | Common Stock (246,042) | $1.57 | Feb. 8, 2025 | 246,042 | 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.
CTMX
SVP| Fiscal year | Salary | Bonus | Stock awards | Option awards | Non-equity incentive | Pension change | Other | Total |
|---|---|---|---|---|---|---|---|---|
| 2020 | $423,416 | — | — | $506,212 | — | — | $7,103,205 | $1,639,948 |
| 2019 | $444,452 | — | — | $858,654 | $168,892 | — | $5,000 | $1,476,997 |
Figures from the Summary Compensation Table of the company's proxy statement (DEF 14A). Compensation is not a recommendation.