Passage BIO, Inc. (PASG) Insider Ownership

Historic Insider Ownership Trends

PASG's three largest insider shareholders as of March 23, 2026 are Capital Management Lp Lynx1 (TenPercentOwner, 623.70K shares), Jill M. Quigley (Chief Operating Officer, 368.75K shares), Edgar B. Cale (Gc Corporate Secretary, 45.99K shares).

Top Direct Holders

Insider ownership data is derived from the last 60 months of Form 4 SEC filings.
Holder Position Shares (Direct) Shares (Indirect) Report Date
Capital Management Lp Lynx1 0 623,704 15 Sep, 2025
Jill M. Quigley Chief Operating Officer 368,754 0 10 Dec, 2021
Edgar B. Cale Gc Corporate Secretary 45,995 0 03 Jan, 2024
Mark S Forman Chief Medical Officer 45,269 0 03 Jan, 2024
Alexandros Fotopoulos Chief Technical Officer 28,693 0 20 Jun, 2023
Simona King Chief Financial Officer 23,994 0 01 Aug, 2023
William Chou President And Ceo 6,524 0 12 Jan, 2026
William Chou President And Ceo 6,524 0 12 Jan, 2026
Kathleen Borthwick Cfo 5,402 0 12 Jan, 2026
Kathleen Borthwick Cfo 5,402 0 12 Jan, 2026
Monika Maria Toernsen Chief Commercial Officer 3,319 0 18 Nov, 2022

* Please note that the shares above only reflect shares from the fund portfolio and the institutional portfolio. Shares from the personal portfolio are excluded from this Institutional Ownership Page. See these insiders' latest transactions here on Insider Page.

Recent Insider Transactions

Detailed insider trading activity based on Form 4 SEC filings.
Download Data
Transaction Date Insider Name Security Class Transaction Type Shares Traded Price Shares Remaining Ownership Code
16 Mar, 2026 William Chou Employee Stock Option (right to buy) A 58,000 $0.00 58,000 D A
16 Mar, 2026 Kathleen Borthwick Employee Stock Option (right to buy) A 15,610 $0.00 15,610 D A
08 Jan, 2026 William Chou Common Stock A 10,000 - 10,600 D M
08 Jan, 2026 Kathleen Borthwick Common Stock A 5,000 - 7,464 D M
08 Jan, 2026 William Chou Common Stock A 10,000 - 10,600 D M
08 Jan, 2026 Kathleen Borthwick Common Stock A 5,000 - 7,464 D M
08 Jan, 2026 William Chou Common Stock D 4,076 $18.44 6,524 D S
08 Jan, 2026 Kathleen Borthwick Common Stock D 2,062 $18.44 5,402 D S
08 Jan, 2026 Kathleen Borthwick Common Stock D 2,062 $18.44 5,402 D S
08 Jan, 2026 William Chou Common Stock D 4,076 $18.44 6,524 D S
08 Jan, 2026 Kathleen Borthwick Restricted Stock Unit D 5,000 $0.00 5,000 D M
08 Jan, 2026 William Chou Restricted Stock Unit D 10,000 $0.00 10,000 D M
08 Jan, 2026 Kathleen Borthwick Restricted Stock Unit D 5,000 $0.00 5,000 D M
08 Jan, 2026 William Chou Restricted Stock Unit D 10,000 $0.00 10,000 D M
11 Sep, 2025 Capital Management Lp Lynx1 Common stock, $0.0001 par value per share (Common Stock) A 325 $6.96 592,021 I P
12 Sep, 2025 Capital Management Lp Lynx1 Common Stock A 19,783 $6.99 611,804 I P
15 Sep, 2025 Capital Management Lp Lynx1 Common Stock A 11,900 $6.99 623,704 I P
22 Jul, 2025 Capital Management Lp Lynx1 Common stock, $0.0001 par value per share (Common Stock) A 13,123 $5.44 475,971 I P
23 Jul, 2025 Capital Management Lp Lynx1 Common Stock A 49,302 $5.74 525,273 I P
24 Jul, 2025 Capital Management Lp Lynx1 Common Stock A 66,423 $5.71 591,696 I P