InsiderTrades

Form 4 for STRO SUTRO BIOPHARMA, INC.

Accepted 2025-10-16 00:00:00 ET · period of report 2025-10-15 · accession 0002063633-25-000004 · 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
2025-10-16 2025-10-15 STRO Pauling David GC, Chief Admin. Ofcr P - Purchase $0.8 +12.5K 71.7K +21% +$10.0K

Purchase Sale Sale after option exercise All abbreviations

Every reported transaction

#TableSecurityDateCodeA/DSharesPriceOwned afterOwnExercise / expiryUnderlyingFootnotes
1 Common Common Stock 2025-10-15 P A 12,504 $0.8 71,737 D — — (F1) The reported total includes 2,500 shares of Common Stock acquired by the reporting person in one or more transactions with the Issuer pursuant to its Employee Stock Purchase Plan, which transactions are exempt pursuant to Rules 16a3(f)(1)(i)(B) and 16b3(c).