Key facts
- This page summarizes Jeffrey M. Leiden's Form 4 filing for Odyssey Therapeutics, Inc. (ODTX).
- 9 reported transactions and 5 derivative rows are listed below.
- Accepted by SEC: 11 May 2026, 20:35.
Jeffrey M. Leiden - 07 May 2026 Form 4 Insider Report for Odyssey Therapeutics, Inc. (ODTX)
- Reporting relationship
- Director
- Issuer ticker
- ODTX
- Reported as of
- 07 May 2026
- Net transaction value
- $0
- SEC form
- 4
- Accepted by SEC
- 11 May 2026, 20:35:18 UTC
- Prior SEC filing
- 26 Feb 2026
- Source filing
- View source filing
- Reporting owner signature
- /s/ Jolie M. Siegel, Attorney-in-Fact
Source evidence
Original filing metadata and source links for verification.
4 source fields
Reporting owner
1 detail
Key filing fact
Jeffrey M. Leiden filed Form 4 for Odyssey Therapeutics, Inc. (ODTX) on 11 May 2026.
Change
- Previous filing in this sequence was filed on 26 Feb 2026.
- Current net transaction value: $0.
Research use
- This tells you what this filing adds before you inspect full transaction and derivative tables.
- You can trace every row back to the original SEC filing document.
Evidence
Filed on Form 4
View source filing
Ownership activity is grounded in SEC Form 4 disclosures.
Reporting Owners (1)
CIK 0001242825
Primary reporting owner
LEIDEN JEFFREY M
- Relationship
- Director
- Address
- C/O ODYSSEY THERAPEUTICS, INC., 51 SLEEPER STREET, SUITE 800, BOSTON
- Signature
- /s/ Jolie M. Siegel, Attorney-in-Fact
- Signature date
- 11 May 2026
Reported non-derivative transactions
Shares, units, or other non-derivative securities reported in this filing.
ODTX
transaction
Common Stock
Purchase
- Transaction value
- Shares
- +5,000
- Change %
- +1.9%
- Price
- $20.00*
- Shares after
- 270,198
- Date
- 08 May 2026
- Ownership
- Direct
ODTX
transaction
Common Stock
Conversion of derivative security
- Transaction value
- Shares
- +28,698
- Change %
- Price
- Shares after
- 28,698
- Date
- 11 May 2026
- Ownership
- See footnote
- Footnotes
- F1, F2, F3, F4
ODTX
transaction
Common Stock
Options Exercise
- Transaction value
- Shares
- +2,963
- Change %
- +10%
- Price
- Shares after
- 31,661
- Date
- 11 May 2026
- Ownership
- See footnote
- Footnotes
- F4, F5
ODTX
transaction
Common Stock
Tax liability
- Transaction value
- Shares
- -17
- Change %
- -0.05%
- Price
- $18.00*
- Shares after
- 31,644
- Date
- 11 May 2026
- Ownership
- See footnote
- Footnotes
- F4, F5, F6
Reported derivative securities
Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.
ODTX
transaction
Derivative
Series B Convertible Preferred Stock
Conversion of derivative security
- Transaction value
- Shares
- -79,166
- Change %
- -100%
- Price
- Shares after
- 0
- Date
- 11 May 2026
- Ownership
- See footnote
- Underlying class
- Common Stock
- Underlying amount
- 8,527
- Exercise price
- Footnotes
- F1, F4, F7
ODTX
transaction
Derivative
Series C Convertible Preferred Stock
Conversion of derivative security
- Transaction value
- Shares
- -100,000
- Change %
- -100%
- Price
- Shares after
- 0
- Date
- 11 May 2026
- Ownership
- See footnote
- Underlying class
- Common Stock
- Underlying amount
- 10,291
- Exercise price
- Footnotes
- F2, F4, F7
ODTX
transaction
Derivative
Series D Convertible Preferred Stock
Conversion of derivative security
- Transaction value
- Shares
- -96,002
- Change %
- -100%
- Price
- Shares after
- 0
- Date
- 11 May 2026
- Ownership
- See footnote
- Underlying class
- Common Stock
- Underlying amount
- 9,880
- Exercise price
- Footnotes
- F3, F4, F7
ODTX
transaction
Derivative
Stock Option (Right to Buy)
Award
- Transaction value
- Shares
- +626,220
- Change %
- Price
- $0.000000*
- Shares after
- 626,220
- Date
- 07 May 2026
- Ownership
- Direct
- Underlying class
- Common Stock
- Underlying amount
- 626,220
- Exercise price
- $18.00
- Footnotes
- F8
ODTX
transaction
Derivative
Series D Warrants (Right to Buy)
Options Exercise
- Transaction value
- Shares
- -28,800
- Change %
- -100%
- Price
- Shares after
- 0
- Date
- 11 May 2026
- Ownership
- See footnote
- Underlying class
- Common Stock
- Underlying amount
- 2,963
- Exercise price
- $0.1000
- Footnotes
- F4, F5
* marks a reported price that did not pass the local price check.
Additional SEC filing notes
Filing notes and footnotes
Explanation of responses 8 footnotes
Footnote F1
The Series B Preferred Stock automatically converted into Common Stock immediately prior to the closing of the Issuer's initial public offering on a 1-for-9.2837 basis for no additional consideration.
Footnote F2
The Series C Preferred Stock automatically converted into Common Stock immediately prior to the closing of the Issuer's initial public offering on a 1-for-9.7170 basis for no additional consideration.
Footnote F3
The Series D Preferred Stock automatically converted into Common Stock immediately prior to the closing of the Issuer's initial public offering on a 1-for-9.7170 basis for no additional consideration.
Footnote F4
These securities are held of record by Racing Beach Ventures LLC ("Racing Beach"). The Reporting Person is a managing member of Racing Beach and may be deemed to have beneficial ownership of the securities.
Footnote F5
The warrants to purchase shares of Common Stock were automatically exercised into shares of Common Stock by their terms immediately prior to the closing of the Issuer's initial public offering on a net exercise basis.
Footnote F6
Pursuant to the terms of the warrants, the Issuer withheld 17 warrant shares to pay the exercise price in connection with the net exercise.
Footnote F7
Gives effect to the 1-for-9.7170 reverse stock split effected prior to the closing of the Issuer's initial public offering.
Footnote F8
Option will vest in full on May 7, 2027, subject to the Reporting Person's continued service on each such vesting date.