Tourmaline Bio, Inc. (TRML) Insider Trading & SEC Filings
Last SEC filing
Tourmaline Bio, Inc. (TRML) - no SEC Form 4 insider filings recorded in the last 90 days. InsiderAlpha tracks every TRML SEC filing - Form 4, Form 144, and 8-K - in real time, including Rule 10b5-1 plan detection.
About Tourmaline Bio, Inc. (TRML)
Tourmaline Bio, Inc. trades under the ticker TRML. InsiderAlpha tracks 19 primary SEC Form 4 filings from 11 reporting insiders for TRML since 2025, sourced directly from SEC EDGAR.
| Sector | Health Care insider trading |
|---|---|
| SIC classification | Biological Products, (No Diagnostic Substances) (SIC 2836) |
| SEC CIK | 0001827506 |
Recent TRML Insider Transactions (Form 4)
| Date | Insider | Role | Transaction | Shares | Price | Value | Filing |
|---|---|---|---|---|---|---|---|
| Kevin Bruce Johnson | Chief Regulatory Officer | J - Other acquisition / disposition | 40.5K | - | - | SEC | |
| Susan Dana Jones | Chief Technology Officer | J - Other acquisition / disposition | 19.8K | - | - | SEC | |
| Susan Dana Jones | Chief Technology Officer | D - Derivative transaction | 3.2K | - | - | SEC | |
| Mark McDade | Insider | J - Other acquisition / disposition | 518 | - | - | SEC | |
| Mark McDade | Insider | J - Other acquisition / disposition | 183.2K | - | - | SEC | |
| Mark McDade | Insider | J - Other acquisition / disposition | 110.1K | - | - | SEC | |
| Mark McDade | Insider | J - Other acquisition / disposition | 448.4K | - | - | SEC | |
| Caley Castelein | Insider | J - Other acquisition / disposition | 516.0K | - | - | SEC | |
| Caley Castelein | Insider | J - Other acquisition / disposition | 431.9K | - | - | SEC | |
| Sandeep Chidambar Kulkarni | CEO | J - Other acquisition / disposition | 7.0K | - | - | SEC | |
| Sandeep Chidambar Kulkarni | CEO | J - Other acquisition / disposition | 724.7K | - | - | SEC | |
| Kevin Bruce Johnson | Chief Regulatory Officer | D - Derivative transaction | 11.0K | - | - | SEC | |
| Sapna Srivastava | Insider | J - Other acquisition / disposition | 518 | - | - | SEC | |
| Aaron Kantoff | Insider | J - Other acquisition / disposition | 88.3K | - | - | SEC | |
| Parvinder Thiara | Insider | J - Other acquisition / disposition | 83.8K | - | - | SEC |
All transactions sourced from SEC EDGAR Form 4 filings for Tourmaline Bio, Inc. (TRML). Updated in real time as new filings are submitted to the SEC.
Recent Insider Filings
- - Sapna Srivastava (Insider)
- - Caley Castelein (Insider)
- - Mark McDade (Insider)
- - Clay B. Siegall (Insider)
- - Aaron Kantoff (Insider)
Form 4 Transaction Code Reference
SEC Form 4 transactions are reported with a one-letter code indicating the type of transaction. Common codes you'll see in TRML insider filings:
| P | Open-market purchase by the insider |
|---|---|
| S | Open-market sale by the insider |
| A | Grant, award, or other acquisition from the issuer |
| M | Exercise or conversion of derivative security (e.g. options) |
| F | Payment of exercise price or tax liability via share withholding |
| G | Bona-fide gift of securities |
| D | Disposition to the issuer (e.g. share buyback participation) |
| J | Other acquisition or disposition |
| X | Exercise of in-the-money or at-the-money derivative security |
| C | Conversion of derivative security |
| V | Transaction voluntarily reported earlier than required |
TRML Insider Trading - FAQ
- What is the latest insider trade for TRML?
- Tourmaline Bio, Inc. (TRML) had 0 insider filings in the last 90 days, with the most recent on 2025-10-28. InsiderAlpha tracks every Form 4, Form 144, and 8-K filing in real time.
- How many insiders are buying TRML stock?
- 0 insider purchases of TRML were filed in the last 90 days.
- How many insiders are selling TRML stock?
- 0 insider sales of TRML were filed in the last 90 days.
- Where can I see TRML SEC filings (Form 4, 10-K, 10-Q, 8-K)?
- This page tracks TRML Form 4 insider transactions, Form 144 sale notices, and 8-K material event disclosures in one timeline. Annual 10-K and quarterly 10-Q reports live on the company's SEC EDGAR page.
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Learn More
- What is SEC Form 4?
- How to read insider buying signals
- Rule 10b5-1 trading plans explained
- The cluster buying signal
Open the live TRML dashboard on InsiderAlpha for real-time alerts, charting, and full historical filing search.