SUTRO BIOPHARMA, INC. (STRO)
Data as of , from SEC Form 4 filings.
See up to 3 months of STRO. The 7-day demo opens the 1M and 3M ranges and puts STRO on your watchlist.
Start 7-day demoLatest STRO insider trades
- Hans-Peter Gerber - OfficerOpen-market purchase$14K
- Gregory K. Chow - OfficerOpen-market purchase$16K
About SUTRO BIOPHARMA, INC. (STRO)
Sutro Biopharma Inc is a clinical-stage drug discovery, development, and manufacturing company. The company manufactures next-generation protein therapeutics for cancer and autoimmune disorders through its proprietary integrated cell-free protein synthesis platform, XpressCF. Products offered by the company include STRO-001 for patients with multiple myeloma and lymphoma and STRO-002 for the treatment of ovarian and endometrial cancers. Company's wholly-owned product candidate is STRO-004, a single homogeneous ADC directed against tissue factor which are developing for the treatment of solid tumors. The company also pipeline contains STRO-006, STRO-00X, STRO-00Y, STRO-003, VAX24, VAX31, and Others.
- SOUTH SAN FRANCISCO, CA
- 128
- 2018
- XNAS
STRO Form 4 activity by transaction type, last 90 days
| Form 4 transaction type | Transactions | Shares | Total value |
|---|---|---|---|
| Option exercise | 2 | 7,500 | |
| Tax withholding / forfeiture | 1 | 1,345 |
Dollar totals cover purchases and sales only (codes P and S). Grants, option exercises, gifts and tax withholding are counted in shares, because none of them is a trade at a market price.
STRO insider transactions (Form 4)
331 Form 4 filings on record, the earliest from Dec 3, 2024, newest first. Filing history page 2 of 2.
| Date | Insider | Transaction | Security | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Jane Chung - Officer | Option exercise | Common Stock | 25,000 | $0.00 | - | |
| Jane Chung - Officer | Tax withholding / forfeiture | Common Stock | 8,920 | $26.90 | $24K | |
| Jane Chung - Officer | Option exercise | Restricted Stock Unit (RSU) | 25,000 | $0.00 | - |
STRO insider trading FAQ
What is the latest insider trade for STRO?
SUTRO BIOPHARMA, INC. (STRO) had 1 insider filing in the last 90 days, with the most recent on 2026-09-22. The full record for STRO runs to 31 Form 4 filings, the earliest from 2024-12-03. InsiderAlpha adds new Form 4, Form 144 and 8-K filings as they arrive from SEC EDGAR.
How many insiders are buying STRO stock?
No insider purchases of STRO were filed in the last 90 days. 5 purchases are on record for this company.
How many insiders are selling STRO stock?
No insider sales of STRO were filed in the last 90 days.
Where can I see STRO SEC filings (Form 4, 10-K, 10-Q, 8-K)?
This page collects STRO Form 4 insider transactions, Form 144 sale notices and 8-K filings in one place. Annual 10-K and quarterly 10-Q reports live on the company's SEC EDGAR page.
More Health Care companies with insider activity
Recent insider filings
10The EDGAR links open each original Form 4, so you can check any number on this page against the filing it came from.
- - Hans-Peter Gerber view on EDGAR
- - Jon Marc Wigginton view on EDGAR
- - Daniel H. Petree view on EDGAR
- - James P. Panek view on EDGAR
- - Joseph M. Lobacki view on EDGAR
- - Sukhi Jagpal view on EDGAR
- - Heidi Hunter view on EDGAR
- - Michael Dybbs view on EDGAR
- - Connie Matsui view on EDGAR
Related companies with recent insider activity
Learn more
- What the Form 4 transaction codes mean
- Grants, option exercises, gifts and tax withholding are not trades on the market. The codes say which is which.
- Insider activity in Health Care
- Where STRO's peers are being bought and sold.
- Every recent Form 4
- The market-wide feed, updated as filings arrive from SEC EDGAR.
Follow STRO with a 7-day demo
- STRO on your watchlist
- Every STRO Form 4 filing on record
- Up to 3 months of STRO price history
- The daily trading plan of ranked insider buys, on a delay, with the plan archive
