Baselake Partners, LP → Passage Bio, Inc. PASG

Stake: — Shares: — CUSIP: 702712209 Class: Common Stock, $0.0001 Par Value Per Share

Item 4 — Purpose of Transaction

Not extracted from this filing — typically because it's an amendment (13D/A) and Item 4 is unchanged from the parent filing. Read the raw SEC filing →

Cross-References

Insider Activity (last 365d)

6 transactions

2 buys · 2 sales · 2 awards/exercises

Issuer Cluster

5 13D/G filings on this issuer

4 other filings besides this one

Filer Track Record

2 filings by this filer

1 other filing in the data moat

Short Interest · settle 2026-09-30

DTC 3.67

90,840 shares short · -6.4% vs prior

Form 4 Insider Transactions · last 365d

Date	Insider	Role	Type	Shares	Price	Value
2026-03-16	Borthwick Kathleen	officer	Award	15,610	$7.64	$119K
2026-03-16	Chou William	director, officer	Award	58,000	$7.64	$443K
2026-01-08	Chou William	director, officer	Option exercise	10,000	—	—
2026-01-08	Borthwick Kathleen	officer	Option exercise	5,000	—	—
2026-01-08	Chou William	director, officer	Sale	4,076	$18.44	$75K
2026-01-08	Borthwick Kathleen	officer	Sale	2,062	$18.44	$38K

Other 13D/G Filings on Passage Bio, Inc.

Filed	Form	Filer	Stake	Shares
2026-07-02	SCHEDULE 13D	Lynx1 Capital Management LP	21.00%	673,759	view →
2025-07-21	SCHEDULE	ORBIMED ADVISORS LLC	7.82%	243,878	view →
2024-04-12	SC	ORBIMED ADVISORS LLC	—	—	view →
2021-01-27	SC	Frazier Life Sciences IX, L.P.	—	—	view →

Other Filings by Baselake Partners, LP

Filed	Form	Issuer	Stake	Shares
2026-09-17	SCHEDULE 13G	KIORA PHARMACEUTICALS, INC.	—	—	view →

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