Craig C Parker
CIK 1526064 · View on SEC EDGAR ↗
First SEC filing: Feb. 12, 2014 · Latest: Aug. 20, 2021
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 |
|---|---|---|---|---|---|---|---|---|---|
| May 4, 2026 | SRZN | S | 4,524 | $33.33 | $150,785 | 16,553 Direct | -21.46% | Disposed | -28.4% (price as of 2026-08-20) |
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 |
|---|---|---|---|---|---|---|---|
| May 1, 2026 | SRZN | Restricted Stock Unit | Common Stock (12,500) | — | — | 12,500 | Disposed |
| Feb. 17, 2026 | SRZN | Restricted Stock Unit | Common Stock (242,200) | — | — | 242,200 | Acquired |
| Feb. 17, 2026 | SRZN | Employee Stock Option (right to buy) | Common Stock (242,200) | $24.53 | Feb. 16, 2036 | 242,200 | Acquired |
| Aug. 12, 2021 | SRZN | Stock Option (right to buy) | Common Stock (183,335) | $10.25 | Aug. 11, 2031 | 183,335 | Acquired |
| Feb. 10, 2014 | GERN | Employee Stock Option (right to buy) | Common Stock (400,000) | $5.01 | Feb. 10, 2024 | 400,000 | Acquired |
| Feb. 12, 2013 | GERN | Employee Stock Option (right to buy) | Common Stock (400,000) | $1.51 | Feb. 12, 2023 | 400,000 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
Initial ownership (Form 3) 8 holdings
Securities held when first becoming an insider, per SEC Form 3.
| Date | Ticker | Security | Shares | Ownership |
|---|---|---|---|---|
| Aug. 20, 2021 | SRZN | Employee Stock Option (right to buy)→ Common Stock | — | Direct |
| Aug. 20, 2021 | SRZN | Employee Stock Option (right to buy)→ Common Stock | — | Direct |
| Aug. 20, 2021 | SRZN | Employee Stock Option (right to buy)→ Common Stock | — | Direct |
| Aug. 16, 2021 | SRZN | Employee Stock Option (right to buy)→ Common Stock | — | Direct |
| Aug. 16, 2021 | SRZN | Employee Stock Option (right to buy)→ Common Stock | — | Direct |
| Aug. 16, 2021 | SRZN | Employee Stock Option (right to buy)→ Common Stock | — | Direct |
| July 30, 2015 | VTVT | No securities are beneficially owned | 0 | Direct |
| Dec. 6, 2012 | GERN | Stock Option (right to buy)→ Common Stock (120,000) | 120,000 | Direct |
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 |
|---|---|---|---|---|---|---|---|---|
| 2025 | $630,000 | — | $262,000 | — | $346,500 | — | — | $2,819,017 |
| 2024 | $605,000 | — | — | — | $287,375 | — | — | $1,520,085 |
| 2023 | $580,320 | — | — | — | $245,000 | — | — | $1,165,250 |
Figures from the Summary Compensation Table of the company's proxy statement (DEF 14A). Compensation is not a recommendation.