Yang Li
Insider
First SEC filing: Aug. 23, 2023 · Latest: June 16, 2026
Insider at
Insider transactions
0 buys (P)
2 sells (S)
Net: $-75,010
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 |
|---|---|---|---|---|---|---|---|---|---|
| June 15, 2026 | SRZN | A | 1,666 | $8.11 | $13,511 | 18,882 Direct | +9.68% | Acquired | 261.5% (price as of 2026-10-02) |
| May 4, 2026 | SRZN | S | 1,584 | $33.33 | $52,795 | 17,216 Direct | -8.43% | Disposed | -12.0% (price as of 2026-10-02) |
| May 1, 2026 | SRZN | M | 4,375 | · | · | 4,375 Direct | -50.00% | Disposed | (price as of 2026-10-02) |
| May 1, 2026 | SRZN | M | 4,375 | · | · | 18,800 Direct | +30.33% | Acquired | (price as of 2026-10-02) |
| March 31, 2026 | SRZN | G | 1,666 | · | · | 14,425 Direct | -10.35% | Disposed | (price as of 2026-10-02) |
| Feb. 17, 2026 | SRZN | A | 100,950 | · | · | 100,950 Direct | · | Acquired | (price as of 2026-10-02) |
| Feb. 17, 2026 | SRZN | A | 100,950 | · | · | 100,950 Direct | · | Acquired | (price as of 2026-10-02) |
| Jan. 5, 2026 | SRZN | S | 1,118 | $19.87 | $22,215 | 16,091 Direct | -6.50% | Disposed | 47.6% (price as of 2026-10-02) |
| Jan. 2, 2026 | SRZN | M | 2,500 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| Jan. 2, 2026 | SRZN | M | 2,500 | · | · | 17,209 Direct | +17.00% | Acquired | (price as of 2026-10-02) |
| Dec. 15, 2025 | SRZN | A | 1,666 | $8.11 | $13,511 | 14,709 Direct | +12.77% | Acquired | 261.5% (price as of 2026-10-02) |
| June 13, 2025 | SRZN | A | 400 | $8.06 | $3,224 | 13,043 Direct | +3.16% | Acquired | 263.8% (price as of 2026-10-02) |
| May 1, 2025 | SRZN | A | 26,250 | · | · | 26,250 Direct | · | Acquired | (price as of 2026-10-02) |
| May 1, 2025 | SRZN | A | 8,750 | · | · | 8,750 Direct | · | Acquired | (price as of 2026-10-02) |
| Jan. 17, 2025 | SRZN | A | 35,000 | · | · | 35,000 Direct | · | Acquired | (price as of 2026-10-02) |
| Jan. 3, 2025 | SRZN | S | 843 | $17.37 | $14,643 | 13,345 Direct | -5.94% | Disposed | 68.8% (price as of 2026-10-02) |
| Jan. 2, 2025 | SRZN | M | 2,500 | · | · | 14,188 Direct | +21.39% | Acquired | (price as of 2026-10-02) |
| June 14, 2024 | SRZN | A | 400 | $5.67 | $2,268 | 10,888 Direct | +3.81% | Acquired | 417.1% (price as of 2026-10-02) |
| May 1, 2024 | SRZN | A | 20,000 | · | · | 20,000 Direct | · | Acquired | (price as of 2026-10-02) |
| April 24, 2024 | SRZN | A | 10,000 | · | · | 10,000 Direct | · | Acquired | (price as of 2026-10-02) |
| April 24, 2024 | SRZN | A | 5,000 | · | · | 5,000 Direct | · | Acquired | (price as of 2026-10-02) |
| Dec. 15, 2023 | SRZN | A | 2,085 | $5.67 | $11,822 | 2,085 Direct | · | Acquired | 417.1% (price as of 2026-10-02) |
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 | · | · | 4,375 | Disposed |
| Feb. 17, 2026 | SRZN | Restricted Stock Unit | Common Stock | · | · | 100,950 | Acquired |
| Feb. 17, 2026 | SRZN | Employee Stock Option (right to buy) | Common Stock | $24.53 | Feb. 16, 2036 | 100,950 | Acquired |
| Jan. 2, 2026 | SRZN | Restricted Stock Units | Common Stock | · | · | 2,500 | Disposed |
| May 1, 2025 | SRZN | Option (right to buy) | Common Stock | $10.48 | May 1, 2035 | 26,250 | Acquired |
| May 1, 2025 | SRZN | Restricted Stock Unit | Common Stock | · | · | 8,750 | Acquired |
| Jan. 17, 2025 | SRZN | Option (right to buy) | Common Stock | $12.08 | Jan. 17, 2035 | 35,000 | Acquired |
| May 1, 2024 | SRZN | Option (right to buy) | Common Stock | $9.89 | May 1, 2034 | 20,000 | Acquired |
| April 24, 2024 | SRZN | Option (right to buy) | Common Stock | $8.97 | April 24, 2034 | 10,000 | Acquired |
| April 24, 2024 | SRZN | Restricted Stock Unit | Common Stock | · | · | 5,000 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
Initial ownership (Form 3) 6 holdings
Securities held when first becoming an insider, per SEC Form 3.
| Date | Ticker | Security | Shares | Ownership |
|---|---|---|---|---|
| Aug. 23, 2023 | SRZN | Common Stock | 121,524 | Direct |
| Aug. 23, 2023 | SRZN | Common Stock | 10,538 | Indirect |
| Aug. 23, 2023 | SRZN | Option (right to buy) | 500 | Direct |
| Aug. 23, 2023 | SRZN | Option (right to buy) | 100,000 | Direct |
| Aug. 23, 2023 | SRZN | Option (right to buy) | 80,000 | Direct |
| Aug. 23, 2023 | SRZN | Option (right to buy) | 22,835 | 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 | $456,500 | · | $91,700 | · | $182,600 | · | $3,000 | $1,286,981 |
| 2024 | $415,000 | · | $44,850 | · | $161,850 | · | $3,000 | $847,193 |
| 2023 | $389,263 | · | · | · | $143,200 | · | $3,000 | $576,732 |
Figures from the Summary Compensation Table of the company's proxy statement (DEF 14A). Compensation is not a recommendation.