Lynx1 Capital Management LP - Sep 11, 2025 Form 4 Insider Report for Passage BIO, Inc. (PASG)

Role
10%+ Owner
Signature
Lynx1 Capital Management LP, By: Lynx1 Capital Management GP LLC, its general partner, By: /s/ Weston Nichols, Sole Member
Stock symbol
PASG
Transactions as of
Sep 11, 2025
Transactions value $
$223,735
Form type
4
Date filed
9/15/2025, 08:05 PM
Previous filing
Jul 24, 2025
SEC
View on sec.gov

Reporting Owners (2)

Name Relationship Address Signature Signature date CIK
Lynx1 Capital Management LP 10%+ Owner D81 CALLE C, SUITE 301, PMB 1202, DORADO, PUERTO RICO Lynx1 Capital Management LP, By: Lynx1 Capital Management GP LLC, its general partner, By: /s/ Weston Nichols, Sole Member 2025-09-15 0001910456
Nichols Weston 10%+ Owner D81 CALLE C, SUITE 301, PMB 1202, DORADO, PUERTO RICO /s/ Weston Nichols 2025-09-15 0001746376

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction PASG Common stock, $0.0001 par value per share (Common Stock) Purchase $2.26K +325 +0.05% $6.96 592K Sep 11, 2025 See footnote F1, F2
transaction PASG Common Stock Purchase $138K +19.8K +3.34% $6.99 612K Sep 12, 2025 See footnote F2, F3
transaction PASG Common Stock Purchase $83.2K +11.9K +1.95% $6.99 624K Sep 15, 2025 See footnote F2, F4
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $6.915 to $6.985 inclusive. The Reporting Persons undertake to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission (the "SEC"), upon request, full information regarding the number of shares purchased at each separate price within the range set forth herein.
F2 The securities to which this filing relates are held directly by Lynx1 Master Fund LP to which Lynx1 Capital Management LP (the "Investment Manager") serves as investment manager. Weston Nichols ("Mr. Nichols") is the sole member of Lynx1 Capital Management GP LLC, the general partner of the Investment Manager. Each of the Investment Manager and Mr. Nichols disclaims beneficial ownership of the securities to which this filing relates for purposes of Section 16 of the Securities and Exchange Act of 1934, as amended, except to the extent of his or its pecuniary interest therein, if any.
F3 The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $6.93 to $7.00 inclusive. The Reporting Persons undertake to provide to the Issuer, any security holder of the Issuer, or the staff of the SEC, upon request, full information regarding the number of shares purchased at each separate price within the range set forth herein.
F4 The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $6.94 to $7.00 inclusive. The Reporting Persons undertake to provide to the Issuer, any security holder of the Issuer, or the staff of the SEC, upon request, full information regarding the number of shares purchased at each separate price within the range set forth herein.