Arkolith/Insider Trading/TRML/Form 4

Kantoff Aaron

DirectorTourmaline Bio, Inc. (TRML) · full profile →Form 4 · filed Sep 9, 2025
No Open-Market Flow
Open-Market Buys
$0
Open-Market Sells
$0
Net Open-Market Flow
$0
Transactions
4
2 non-derivative · 2 derivative

Non-Derivative Transactions (Table I)

DateActionSharesPriceValueOwned After
Sep 5, 2025Option exercise(M)38K$0.13$5K83K
Sep 5, 2025Option exercise(M)10K$9.46$95K93K

Derivative Transactions (Table II)

DateActionSharesPriceValueOwned After
Sep 5, 2025Option exercise(M)10K—$00
Sep 5, 2025Option exercise(M)38K—$00

Transaction Codes

M
Option exercise / conversion

Data Source & Provenance

Parsed from a single SEC EDGAR Form 4 filing (accession 0001415889-25-023997) 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 Tourmaline Bio, 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