Passage BIO PASG Insider Ownership

NASDAQ PASG
$4.94 +0.09 (+1.86%)
At close: Sep 9, 2026 · 4:00 PM EDT

Insider Holdings by Owner

2.09Mn Shares

Insider Ownership Statistics

as of 31 Dec, 2024
Insider Ownership
8.29%
+0.333% pp QoQ
Shares Held by Insiders
250.46K
filed for Dec 2024
0.00% QoQ
Shares Outstanding
3.18Mn
3,178,710 shares
Direct Holdings
250.46K
Indirect: 0
Net Shares Traded (QoQ)
0
no net change in Dec 2024
Insiders Holding Shares
10
with Form 4 holdings on file

Shares Owned by Insiders

Shares held % of outstanding
Latest
Average ownership
Peak ownership

Shares Purchased/Sold by Insiders

Bought Sold
Latest quarter
Net over range
Buying quarters

Insider Ownership Summary

Quarter ending 31 Dec, 2024

PASG's three largest insider shareholders as of September 09, 2026 are Capital Management Lp Lynx1 (TenPercentOwner, 673.76K shares), Capital Management Lp Lynx1 (TenPercentOwner, 673.76K shares), Capital Management Lp Lynx1 (TenPercentOwner, 673.76K shares).

Form 4 Holdings

Insiders Holding PASG

Insiders 10
Shares held 2.09Mn
Of outstanding 65.65%
# Insider Position Direct Indirect Total Share of Insiders Last Filed
1 Capital Management Lp Lynx1 TenPercentOwner 0 1,760,311 1,760,311 84.4% 29 Jun, 2026
2 Advisors Llc Orbimed TenPercentOwner 0 303,317 303,317 14.5% 26 Jun, 2025
3 William Chou President And Ceo 6,524 0 6,524 0.3% 12 Jan, 2026
4 Kathleen Borthwick Cfo 5,402 0 5,402 0.3% 12 Jan, 2026
5 Monika Maria Toernsen Chief Commercial Officer 3,319 0 3,319 0.2% 18 Nov, 2022
6 Edgar B. Cale Gc Corporate Secretary 2,300 0 2,300 0.1% 03 Jan, 2024
7 Mark S Forman Chief Medical Officer 2,263 0 2,263 0.1% 03 Jan, 2024
8 Alexandros Fotopoulos Chief Technical Officer 1,435 0 1,435 0.1% 20 Jun, 2023
9 Simona King Chief Financial Officer 1,200 0 1,200 0.1% 01 Aug, 2023
10 Bruce A Goldsmith Ceo And President 799 0 799 0.0% 23 Mar, 2022

Each row is that insider’s most recently reported position, from Form 4 filings over the last 60 months — which is why this total does not tie to the quarterly series above, where a quarter counts only the insiders who filed in it. Shares held through a fund or institutional portfolio are counted on the institutional ownership page instead.

Form 4 Filings

405 Insider Transactions

Source SEC Form 4
Latest quarter Dec 2024
Download Data
Date Insider Position Transaction Shares Price Value Shares Held After Ownership
25 Jun, 2026 Capital Management Lp Lynx1 TenPercentOwner Acquired P 50,055 $4.12 $206.10K 673,759 Indirect
25 Jun, 2026 Capital Management Lp Lynx1 TenPercentOwner Acquired P 50,055 $4.12 $206.10K 673,759 Indirect
25 Jun, 2026 Capital Management Lp Lynx1 TenPercentOwner Acquired P 50,055 $4.12 $206.10K 673,759 Indirect
19 May, 2026 Dolan Sondhi Director Acquired A 10,539 $0.00 $0 10,539 Direct
19 May, 2026 Derrell Porter Director Acquired A 10,539 $0.00 $0 10,539 Direct
16 Mar, 2026 Kathleen Borthwick Cfo Acquired A 15,610 $0.00 $0 15,610 Direct
16 Mar, 2026 William Chou President And Ceo Acquired A 58,000 $0.00 $0 58,000 Direct
08 Jan, 2026 William Chou President And Ceo Acquired M 10,000 10,600 Direct
08 Jan, 2026 Kathleen Borthwick Cfo Acquired M 5,000 7,464 Direct
08 Jan, 2026 Kathleen Borthwick Cfo Disposed S 2,062 $18.44 $38.02K 5,402 Direct
08 Jan, 2026 William Chou President And Ceo Disposed S 4,076 $18.44 $75.16K 6,524 Direct
08 Jan, 2026 Kathleen Borthwick Cfo Disposed M 5,000 $0.00 $0 5,000 Direct
08 Jan, 2026 William Chou President And Ceo Disposed M 10,000 $0.00 $0 10,000 Direct
11 Sep, 2025 Capital Management Lp Lynx1 TenPercentOwner Acquired P 325 $6.96 $2.26K 592,021 Indirect
12 Sep, 2025 Capital Management Lp Lynx1 TenPercentOwner Acquired P 19,783 $6.99 $138.30K 611,804 Indirect
15 Sep, 2025 Capital Management Lp Lynx1 TenPercentOwner Acquired P 11,900 $6.99 $83.18K 623,704 Indirect
22 Jul, 2025 Capital Management Lp Lynx1 TenPercentOwner Acquired P 13,123 $5.44 $71.34K 475,971 Indirect
23 Jul, 2025 Capital Management Lp Lynx1 TenPercentOwner Acquired P 49,302 $5.74 $283.03K 525,273 Indirect
24 Jul, 2025 Capital Management Lp Lynx1 TenPercentOwner Acquired P 66,423 $5.71 $379.45K 591,696 Indirect
24 Jun, 2025 Advisors Llc Orbimed TenPercentOwner Disposed S 231,600 $7.00 $1.62Mn 320,920 Indirect