First Tracks Biotherapeutics, Inc. (TRAX) IPO — S-1 Filing, Stock & Insider Activity

First Tracks Biotherapeutics, Inc. IPO — Status & S-1 Filing

Ticker: TRAX
Status: Effective — cleared to price
S-1 filed: 2026-05-08
Effective: 2026-05-12
Exchange: NASDAQ
Expected price range: not yet disclosed (set in a later S-1/A or pricing amendment)
Shares offered: 10,497,054
SEC CIK: 0002091349 · View the S-1 on SEC EDGAR →

Track every registration update on the InsiderAlpha IPO tracker.

Updated Jul 16, 2026 · Last SEC filing 2026-06-17

First Tracks Biotherapeutics, Inc. (TRAX) has filed 33 SEC Form 4 insider transactions in the last 90 days, with the most recent on 2026-06-17. 2 Form 8-K material event filings were reported by TRAX in the last 90 days. InsiderAlpha tracks every TRAX SEC filing — Form 4, Form 144, and 8-K — in real time, including Rule 10b5-1 plan detection.

About First Tracks Biotherapeutics, Inc. (TRAX)

SEC CIK	0002091349

90-Day SEC Filing Activity

Form 4 filings (90d)	33
Form 8-K filings (90d)	2
Latest Form 4 filing	2026-06-17

Recent TRAX Insider Transactions (Form 4)

Date	Insider	Role	Transaction	Shares	Price	Value	Filing
2026-06-15	FENTON DENNIS M	Insider	M — Option exercise	6.0K	$0.00	—	SEC
2026-06-15	Ware J. Anthony	Insider	M — Option exercise	6.0K	$0.00	—	SEC
2026-06-15	Marquet Magda	Insider	M — Option exercise	6.0K	$0.00	—	SEC
2026-06-15	Jain Rita	Insider	M — Option exercise	7.3K	$0.00	—	SEC
2026-06-15	Schmid John P.	Insider	M — Option exercise	6.0K	$0.00	—	SEC
2026-06-15	Orwin John A	Insider	M — Option exercise	6.0K	$0.00	—	SEC
2026-04-20	EcoR1 Capital, LLC	10% Owner	S — Open-market sale	4.71M	$13.81	$65.00M	SEC
2026-04-20	ANAPTYSBIO, INC	Insider	J — Other acquisition / disposition	100	—	—	SEC

All transactions sourced from SEC EDGAR Form 4 filings for First Tracks Biotherapeutics, Inc. (TRAX). Updated in real time as new filings are submitted to the SEC.

Most-Active TRAX Insiders — Last 90 Days

Insider	Form 4 filings	Total transaction value
Ware J. Anthony	19	—
Schmid John P.	18	—
FENTON DENNIS M	18	—
Jain Rita	15	—
Marquet Magda	15	—

Recent TRAX Form 8-K Material Events

2026-06-22 — Item 1.01 [SEC]
2026-05-14 — Item 2.02, 9.01 [SEC]

Recent Insider Filings

2026-06-17 — Jain Rita (Insider)
2026-06-17 — Schmid John P. (Insider)
2026-06-17 — Orwin John A (Insider)
2026-06-17 — Ware J. Anthony (Insider)
2026-06-17 — Marquet Magda (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 TRAX 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

TRAX Insider Trading — FAQ

What is the latest insider trade for TRAX?: First Tracks Biotherapeutics, Inc. (TRAX) had 33 insider filings in the last 90 days, with the most recent on 2026-06-17. InsiderAlpha tracks every Form 4, 10-K, 10-Q, and 8-K filing in real time.
How many insiders are buying TRAX stock?: 0 insider purchases of TRAX were filed in the last 90 days.
How many insiders are selling TRAX stock?: 0 insider sales of TRAX were filed in the last 90 days.
Where can I see TRAX SEC filings (Form 4, 10-K, 10-Q, 8-K)?: InsiderAlpha aggregates every TRAX SEC filing — Form 4 insider transactions, 10-K and 10-Q quarterly reports, and 8-K material event disclosures — in one timeline.

Learn More

Open the live TRAX dashboard on InsiderAlpha for real-time alerts, charting, and full historical filing search.