Form 4 for STRO SUTRO BIOPHARMA, INC.
Accepted 2025-05-05 00:00:00 ET · period of report 2025-05-01 · accession 0001415889-25-011998 · SEC index · Original document
Summary rows
Aggregated the way they appear in lists: one row per insider, transaction code and security table.
| X | Filed | Traded | Ticker | Insider | Title | Type | Price | Qty | Owned | ΔOwn | Value |
|---|---|---|---|---|---|---|---|---|---|---|---|
| DM | 2025-05-05 | 2025-05-01 | STRO | FITZPATRICK LINDA A | CHIEF PEOPLE, COMM. Off | M - OptEx | $0.00 | +37.8K | 127.4K | +42% | $0 |
| D | 2025-05-05 | 2025-05-01 | STRO | FITZPATRICK LINDA A | CHIEF PEOPLE, COMM. Off | F - Tax | $1.07 | -13.5K | 119.7K | -10% | -$14.5K |
| DM | 2025-05-05 | 2025-05-01 | STRO | FITZPATRICK LINDA A | CHIEF PEOPLE, COMM. Off | M - OptEx | $0.00 | -37.8K | 4,010 | -90% | $0 |
Purchase Sale Sale after option exercise All abbreviations
Every reported transaction
| # | Table | Security | Date | Code | A/D | Shares | Price | Owned after | Own | Exercise / expiry | Underlying | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Common | Common Stock | 2025-05-01 | M | A | 9,125 | $0.00 | 104,558 | D | — | — | |
| 2 | Common | Common Stock | 2025-05-01 | M | A | 9,740 | $0.00 | 114,298 | D | — | — | |
| 3 | Common | Common Stock | 2025-05-01 | F | D | 13,538 | $1.07 | 119,744 | D | — | — | (F1) Represents the number of shares of Common Stock that have been withheld by the issuer to satisfy its income tax withholding and remittance obligations in connection with the net settlement of restricted stock units; does not represent a sale by the reporting person. |
| 4 | Common | Common Stock | 2025-05-01 | M | A | 5,844 | $0.00 | 133,282 | D | — | — | |
| 5 | Common | Common Stock | 2025-05-01 | M | A | 13,140 | $0.00 | 127,438 | D | — | — | |
| 6 | Derivative | Restricted Stock Unit (RSU) | 2025-05-01 | M | D | 9,125 | $0.00 | 0 | D | — · — to 2026-03-04 | 9,125 Common Stock | (F3) Each RSU represents a contingent right to receive one (1) share of the issuer's Common Stock upon settlement. (F5) The reported transaction represents the accelerated vesting of certain of the reporting person's equity awards outstanding under the issuer's 2018 Equity Incentive Plan, in connection with her separation and transition from her position with the issuer. (F4) The RSUs vest as to 1/4th of the total shares annually beginning on March 4, 2023, subject to continued service through each vesting date. |
| 7 | Derivative | Restricted Stock Unit (RSU) | 2025-05-01 | M | D | 5,844 | $0.00 | 6,531 | D | — · — to 2028-03-01 | 5,844 Common Stock | (F3) Each RSU represents a contingent right to receive one (1) share of the issuer's Common Stock upon settlement. (F5) The reported transaction represents the accelerated vesting of certain of the reporting person's equity awards outstanding under the issuer's 2018 Equity Incentive Plan, in connection with her separation and transition from her position with the issuer. (F7) The RSUs vest as to 1/4th of the total award annually beginning on March 1, 2025, subject to continued service through each vesting date. |
| 8 | Derivative | Restricted Stock Unit (RSU) | 2025-05-01 | M | D | 13,140 | $0.00 | 14,685 | D | — · — to 2028-03-01 | 13,140 Common Stock | (F3) Each RSU represents a contingent right to receive one (1) share of the issuer's Common Stock upon settlement. (F5) The reported transaction represents the accelerated vesting of certain of the reporting person's equity awards outstanding under the issuer's 2018 Equity Incentive Plan, in connection with her separation and transition from her position with the issuer. (F7) The RSUs vest as to 1/4th of the total award annually beginning on March 1, 2025, subject to continued service through each vesting date. |
| 9 | Derivative | Restricted Stock Unit (RSU) | 2025-05-01 | M | D | 9,740 | $0.00 | 4,010 | D | — · — to 2027-03-01 | 9,740 Common Stock | (F3) Each RSU represents a contingent right to receive one (1) share of the issuer's Common Stock upon settlement. (F6) The RSUs vest as to 1/4th of the total shares annually beginning on March 1, 2024, subject to continued service through each vesting date. (F5) The reported transaction represents the accelerated vesting of certain of the reporting person's equity awards outstanding under the issuer's 2018 Equity Incentive Plan, in connection with her separation and transition from her position with the issuer. |