First Tracks Biotherapeutics, Inc.
TRAXNasdaqHealthcare · Pharmaceutical Preparations · DE · SEC filings ↗ · Compare ⊕
View price & chart on Yahoo Finance ↗Financials
SEC XBRL · annualNo structured XBRL financials available (common for pre-2009 filers, foreign issuers, or companies that never reported as a US public company).
5%+ owners
SEC Schedule 13D / 13G · last 3 yrs- Ecor1 Capital, LlcPassive (13G)Apr 22, 2026
Holders who disclosed a 5%+ stake. 13D signals intent to influence or control; 13G is a passive holding. Latest filing per holder — open it for the exact stake.
Insider transactions
SEC Form 4 · most recent| Insider | Date | Type | Shares | Price |
|---|---|---|---|---|
| Ecor1 Capital, Llc10% owner | Apr 20, 2026 | Sell | 4.7M | $13.81 |
Headline trade per Form 4 (officers, directors, 10%+ owners). Buy/sell read from the filing's structured data — blank where a field isn't cleanly tagged.
Short interest
FINRA · bi-monthly| Settlement | Shares short | Days to cover | Δ vs prior |
|---|---|---|---|
| May 15, 2026 | 3.9M | 8.2 | -2.8% |
| Apr 30, 2026 | 4.0M | 7.5 | +100.0% |
Shares sold short as reported to FINRA. Days-to-cover = short shares ÷ average daily volume — higher means more potential squeeze pressure.
Material events
SEC Form 8-K · most recent- Results of operationsMay 14, 2026
- Entered a material agreement · Completed an acquisition or disposition · Unregistered equity sale · Modified shareholder rights · Change in control · Director / officer change · Amended charter or bylaws · Other material eventApr 20, 2026
- Regulation FD disclosureApr 3, 2026
Events the company reported on Form 8-K, labelled by the SEC item code it filed under — its own classification, not our interpretation.
Recent SEC filings
All filings ↗Corporate family
Spun off from AnaptysBioANAB · Apr 20, 2026
From the spin-off filings we track. Follow a company to walk its own history.