PASG

Passage BIO, Inc.

Biological Products, (No Diagnostic Substances)NasdaqNon-accelerated filer<br>Smaller reporting company<br>Emerging growth company

Total Trades

42

Buys

10

Sells

20

Largest Trade

N/A

Insiders

11

Institutional Funds

21

Inst. Value

$1M+

Activist Filings

27

Insider Trades

InsiderTitleTypeValueSharesPriceDate
Chou WilliamPRESIDENT AND CEOSELL$50K–$100K4K$18.44Jan 12, 2026
Chou WilliamPRESIDENT AND CEOEXERCISEN/A10KJan 12, 2026
Borthwick KathleenCFOEXERCISEN/A5KJan 12, 2026
Borthwick KathleenCFOSELL$15K–$50K2K$18.44Jan 12, 2026
Lynx1 Capital Management LP10% OwnerBUY$100K–$500K32K$6.99Sep 16, 2025
Lynx1 Capital Management LP10% OwnerBUY$500K+129K$5.70Jul 24, 2025
ORBIMED ADVISORS LLC10% OwnerSELL$100K–$500K584K$0.34Jun 26, 2025
ORBIMED ADVISORS LLC10% OwnerSELL$50K–$100K236K$0.33Apr 24, 2025
ORBIMED ADVISORS LLC10% OwnerSELL$15K–$50K149K$0.33Apr 17, 2025
ORBIMED ADVISORS LLC10% OwnerSELL$100K–$500K223K$0.64Jan 14, 2025
ORBIMED ADVISORS LLC10% OwnerSELL$100K–$500K147K$0.70Jan 8, 2025
Lynx1 Capital Management LP10% OwnerBUY$100K–$500K374K$0.65Dec 31, 2024
ORBIMED ADVISORS LLC10% OwnerSELL$100K–$500K230K$0.60Dec 26, 2024
Lynx1 Capital Management LP10% OwnerBUY$100K–$500K456K$0.62Nov 27, 2024
ORBIMED ADVISORS LLC10% OwnerSELL$15K–$50K39K$0.71Sep 23, 2024
Borthwick KathleenSVP, INTERIM CFOSELL$1K–$15K1K$0.97Feb 14, 2024
Borthwick KathleenSVP, INTERIM CFOEXERCISEN/A4KFeb 14, 2024
Forman Mark SCHIEF MEDICAL OFFI…EXERCISEN/A5KFeb 14, 2024
Forman Mark SCHIEF MEDICAL OFFI…SELL$1K–$15K2K$0.97Feb 14, 2024
Forman Mark SChief Medical Offi…EXERCISEN/A50KJan 3, 2024
Forman Mark SChief Medical Offi…SELL$1K–$15K16K$0.91Jan 3, 2024
Borthwick KathleenSVP, Interim CFOEXERCISEN/A30KJan 3, 2024
Borthwick KathleenSVP, Interim CFOSELL$1K–$15K11K$0.91Jan 3, 2024
Cale Edgar B.GC & Corporate Sec…EXERCISEN/A50KJan 3, 2024
Cale Edgar B.GC & Corporate Sec…SELL$1K–$15K16K$0.91Jan 3, 2024
King SimonaCFOSELL$1K–$15K11K$0.88Aug 1, 2023
King SimonaCFOEXERCISEN/A31KAug 1, 2023
ORBIMED ADVISORS LLC10% OwnerBUY$1M+1.2M$0.84Jun 29, 2023
Fotopoulos AlexandrosChief Technical Of…SELL$1K–$15K4K$0.93Jun 20, 2023
Fotopoulos AlexandrosChief Technical Of…EXERCISEN/A13KJun 20, 2023
King SimonaCFOEXERCISEN/A6KApr 20, 2023
King SimonaCFOSELL$1K–$15K2K$1.05Apr 20, 2023
Kapadia SandipDirectorSELL$1K–$15K5K$1.19Dec 2, 2022
Fotopoulos AlexandrosChief Technical Of…SELL$1K–$15K4K$1.33Nov 25, 2022
Fotopoulos AlexandrosChief Technical Of…EXERCISEN/A13KNov 25, 2022
Toernsen Monika MariaChief Commercial O…SELL$1K–$15K2K$1.51Nov 18, 2022
Toernsen Monika MariaChief Commercial O…EXERCISEN/A5KNov 18, 2022
ORBIMED ADVISORS LLC10% OwnerBUY$1M+525K$1.94May 5, 2022
Goldsmith Bruce ACEO and PresidentBUY$15K–$50K10K$3.15Mar 23, 2022
ORBIMED ADVISORS LLC10% OwnerBUY$1M+369K$5.42Jan 24, 2022
ORBIMED ADVISORS LLC10% OwnerBUY$500K+168K$5.38Jan 20, 2022
ORBIMED ADVISORS LLC10% OwnerBUY$500K+150K$5.61Jan 14, 2022
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Institutional Ownership

13F filings as of Dec 31, 2025 · 21 funds holding

Activist & 5%+ Owners

SC 13D/13G filings — investors holding 5%+ of outstanding shares

LYNX1 CAPITAL MANAGEMENT LP

SC 13G/A · Nov 14, 2025

19.6%

624K shares

ORBIMED ADVISORS LLC

SC 13D/A · Jul 24, 2025

4.3%

132K shares

ORBIMED ADVISORS LLC

SC 13D/A · Jul 21, 2025

7.8%

244K shares

ORBIMED ADVISORS LLC

SC 13D/A · Jul 10, 2025

9.5%

5.9M shares

ORBIMED ADVISORS LLC

SC 13D/A · Apr 25, 2025

10.7%

6.7M shares

Lynx1 Capital Management LP

SC 13G/A · Feb 14, 2025

15.0%

9.3M shares

ORBIMED ADVISORS LLC

SC 13D/A · Dec 26, 2024

12.0%

7.4M shares

Erste Asset Management GmbH

SC 13G/A · Nov 14, 2024

4.4%

2.5M shares

Erste Asset Management GmbH

SC 13G · Nov 14, 2024

5.4%

3.0M shares

Vestal Point Capital, LP

SC 13G · Nov 14, 2024

9.9%

6.1M shares

0.0%

0 shares

Lynx1 Capital Management LP

SC 13G/A · Aug 9, 2024

13.6%

8.4M shares

Versant Venture Capital VI, L.P.

SC 13D/A · May 29, 2024

6.5%

4.0M shares

OrbiMed Advisors LLC

SC 13D/A · Apr 12, 2024

13.0%

8.0M shares

Lynx1 Capital Management LP

SC 13G · Mar 29, 2024

8.7%

4.8M shares

Lynx1 Capital Management LP

SC 13G/A · Feb 14, 2024

0.7%

379K shares

Versant Venture Capital VI, L.P.

SC 13D/A · Nov 9, 2023

7.3%

4.0M shares

OrbiMed Advisors LLC

SC 13D/A · Jun 29, 2023

14.7%

8.0M shares

Frazier Life Sciences IX, L.P.

SC 13D/A · Jun 15, 2023

4.7%

2.5M shares

Lynx1 Capital Management LP

SC 13G/A · Feb 14, 2023

5.1%

3.4M shares

Deep Track Capital, LP

SC 13G/A · Feb 14, 2023

0.0%

0 shares

Lynx1 Capital Management LP

SC 13G · Sep 29, 2022

5.1%

2.8M shares

Frazier Life Sciences IX, L.P.

SC 13D/A · Aug 15, 2022

6.9%

3.8M shares

BlackRock, Inc.

SC 13G · Jul 8, 2022

2.5%

1.4M shares

OrbiMed Advisors LLC

SC 13D/A · May 5, 2022

12.6%

6.8M shares

Deep Track Capital, LP

SC 13G/A · Feb 14, 2022

6.0%

3.2M shares

AI Passage LLC

SC 13G/A · Feb 14, 2022

4.8%

2.6M shares

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