$ Value
$0
Shares
11,250
Price
$0
Filed
May 5
Insider
Name
Williams Charles O
Title
CFO and COO
CIK
0001325818
Roles
Transaction Details
Transaction Date
2025-05-01
Code
A
Table
Derivative
Ownership
Direct
Equity Swap
No
Shares After
11,250
Footnotes
Each restricted stock unit, or RSU, represents a contingent right to receive one share of the Issuer's common stock. | The shares subject to the RSU award vest over a two-year period as to 50% of such shares on each of the first and second annual anniversary of the grant date, subject to the reporting person's continued service through the applicable vesting date. | The shares subject to the option award vest over a four-year period in 48 equal monthly installments measured from grant date, subject to the reporting person's continued service through the applicable vesting date.
Filing Info
Williams Charles O's History
| Date | Ticker | Type | Value |
|---|---|---|---|
| 2026-01-23 | SRZN | A | $0 |
| 2026-01-05 | SRZN | ▼ | $31K |
| 2026-01-02 | SRZN | M | — |
| 2026-01-02 | SRZN | M | $0 |
| 2025-12-15 | SRZN | A | $14K |
| 2025-06-13 | SRZN | A | $3K |
| 2025-05-01 | SRZN | A | $0 |
| 2025-05-01 | SRZN | A | $0 |
Other Insiders at SRZN (90d)
| Insider | Bought | Sold | Last |
|---|---|---|---|
| TCG Crossover GP II, LLC | $3.2M | — | 2026-03-24 |
|
Williams Charles O
Chief Operating Officer
|
— | — | 2026-01-23 |
|
Li Yang
Exec. Vice President, Research
|
— | — | 2026-03-31 |