William Chou - 16 Mar 2026 Form 4 Insider Report for Passage BIO, Inc. (PASG)

Reporting relationship: PRESIDENT AND CEO, Director
Issuer ticker: PASG
Reported as of: 16 Mar 2026
Net transaction value: $0
SEC form: 4
Accepted by SEC: 18 Mar 2026, 16:06:33 UTC
Prior SEC filing: 12 Jan 2026
Source filing: View source filing
Reporting owner signature: /s/ Kathleen Borthwick, Attorney-in-Fact

Key filing fact

William Chou filed Form 4 for Passage BIO, Inc. (PASG) on 18 Mar 2026.

Key facts

This page summarizes William Chou's Form 4 filing for Passage BIO, Inc. (PASG).
1 reported transaction and 1 derivative row are listed below.
Accepted by SEC: 18 Mar 2026, 16:06.

Change

Previous filing in this sequence was filed on 12 Jan 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

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0001949693 Primary reporting owner

Chou William

Relationship: PRESIDENT AND CEO, Director
Address: ONE COMMERCE SQUARE, 2005 MARKET STREET, 39TH FLOOR, PHILADELPHIA
Signature: /s/ Kathleen Borthwick, Attorney-in-Fact
Signature date: 18 Mar 2026

Reported derivative securities

Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.

PASG transaction Derivative

Employee Stock Option (right to buy)

Award

Transaction value
Shares: +58,000
Change %
Price: $0.000000^*
Shares after: 58,000
Date: 16 Mar 2026
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 58,000
Exercise price: $7.64
Footnotes: F1

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 1 footnote

Footnote F1

The stock option vests as to 1/48 of the total shares monthly beginning on April 16, 2026 until fully vested, subject to the Reporting Person's provision of service to the Issuer on each vesting date.