Arkolith/Insider Trading/STRO/Form 4

Wigginton Jon Marc

DirectorSUTRO BIOPHARMA, INC. (STRO) · full profile →Form 4 · filed Jun 9, 2026
No Open-Market Flow
Open-Market Buys
$0
Open-Market Sells
$0
Net Open-Market Flow
$0
Transactions
1
0 non-derivative · 1 derivative

Derivative Transactions (Table II)

DateActionSharesPriceValueOwned After
Jun 5, 2026Grant(A)10K—$010K

Transaction Codes

A
Grant / award

Data Source & Provenance

Parsed from a single SEC EDGAR Form 4 filing (accession 0001587487-26-000002) within minutes of acceptance. Every field above traces to the original document. Verify it directly:

View original filing on SEC.govRaw Form 4 XML

Keep exploring

Connected pages for SUTRO BIOPHARMA, INC.

Build

Build on these Form 4 transactions

The public view is the crawlable proof. The same sourced dataset is available through REST and MCP for agents, research scripts, and back-office tools.

Form 4 insider API

Open-market buys and sells, cluster scans, company flows.

insider.transactions

13F holdings API

Owners, holdings, deltas, point-in-time portfolios.

stock.owners

MCP quickstart

Connect an agent, mint a key, make the first call.

/api/mcp