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Passage BIO, Inc.

PASG
Exchange
Nasdaq
Industry
Biological Products, (No Diagnostic Substances)
SEC CIK
0001787297

In the last 90 days, Passage BIO, Inc. insiders filed 1 open-market purchase and 0 sales; 29 institutions reported holding it in 13F filings for Q2 2026, worth $6.82M in total; no superinvestor holds it.

Open-market trades, last 90 days

Open-market purchases (P) and sales (S) by Passage BIO, Inc. insiders, counted by Form 4 filing. Trades with a flagged price and duplicate filings are left out.

Open-market buys
1 filing
1 insider, $206.1K in total
Open-market sells
0 filings
Insiders trading
1
Net value
+$206.1K
Purchases minus sales

Insider roster

Directors, officers and 10% owners who have filed a Form 4 for Passage BIO, Inc., current and former, most recent filer first. Last reported holding is the position after the last non-derivative trade in their latest filing.

Insider roster for Passage BIO, Inc.
NameTitleLast reported holdingLast filingFilings, past year
Nichols Weston10% Owner673,759IndirectJun 29, 20261
Lynx1 Capital Management LP10% Owner673,759IndirectJun 29, 20261
Gowen MaxineDirector–May 21, 20261
Kassberg Thomas RichardDirector–May 21, 20261
Countouriotis AthenaDirector–May 21, 20261
Kapadia SandipDirector0May 21, 20261
Porter DerrellDirector–May 21, 20261
Sondhi DolanDirector–May 21, 20261
Chou WilliamPRESIDENT AND CEO6,524Mar 18, 20263
Borthwick KathleenCFO5,402Mar 18, 20263
OrbiMed Advisors LLC10% Owner6,066,343IndirectJun 26, 20250
OrbiMed Capital GP VII LLC10% Owner6,066,343IndirectJun 26, 20250
Islam SaqibDirector–May 30, 20250
Cale Edgar B.GC & CORPORATE SECRETARY45,995Mar 18, 20250
Forman Mark SCHIEF MEDICAL OFFICER48,631Mar 19, 20240
King SimonaChief Financial Officer23,994Aug 1, 20230
Fotopoulos AlexandrosChief Technical Officer28,693Jun 20, 20230
Kamarck Michael E.Director–May 26, 20230
Woiwode ThomasDirector, 10% Owner–May 26, 20230
Toernsen Monika MariaChief Commercial Officer3,319Nov 18, 20220
Goldsmith Bruce ACEO and President15,983Jun 1, 20220
Salinas Eliseo OresteChief Res. & Develop Officer–Feb 14, 20220
Quigley Jill M.Chief Operating Officer368,754Dec 10, 20210

Insider trades

Each row adds up one type of transaction in one Form 4 filing. Only open-market purchases (P) and sales (S) are shown by default; use the filters to see grants, option exercises and other codes.

Insider trades
Filed (ET)Trade dateFiling delayInsiderTransactionSharesAvg priceValueHolding changeFlags
Jun 29, 2026 (view filing)4:30 PM ETJun 254 daysNichols Weston and 1 other10% OwnerPPurchaseCommon stock, $0.0001 par value per share ("Common Stock")+50.1K$4.12+$206.1K+8.0%673.8K after
Jan 12, 2026 (view filing)Jan 84 daysBorthwick KathleenCFOSSale−2.06K$18.44−$38.0K−27.6%5.40K after
Jan 12, 2026 (view filing)Jan 84 daysChou WilliamPRESIDENT AND CEOSSale−4.08K$18.44−$75.2K−38.5%6.52K after
Sep 15, 2025 (view filing)8:05 PM ETSep 114 daysNichols Weston and 1 other10% OwnerPPurchaseCommon stock, $0.0001 par value per share (Common Stock)+325$6.96+$2.26K+0.1%592.0K after
Sep 15, 2025 (view filing)8:05 PM ETSep 12-153 daysNichols Weston and 1 other10% OwnerPPurchase+31.7K$6.99+$221.5K+5.4%623.7K after2 lots
Jul 24, 2025 (view filing)6:12 PM ETJul 222 daysNichols Weston and 1 other10% OwnerPPurchaseCommon stock, $0.0001 par value per share ("Common Stock")+13.1K$5.44+$71.3K+2.8%476.0K after
Jul 24, 2025 (view filing)6:12 PM ETJul 23-241 dayNichols Weston and 1 other10% OwnerPPurchase+115.7K$5.72+$662.5K+24.3%591.7K after2 lots
Jun 26, 2025 (view filing)5:10 PM ETJun 24-262 daysOrbiMed Advisors LLC and 1 other10% OwnerSSale−583.7K$0.3379−$197.2K−8.8%6.07M after3 lots
Apr 24, 2025 (view filing)5:38 PM ETApr 22-242 daysOrbiMed Advisors LLC and 1 other10% OwnerSSale−235.6K$0.3342−$78.7K−3.4%6.65M after3 lots
Apr 17, 2025 (view filing)6:10 PM ETApr 15-172 daysOrbiMed Advisors LLC and 1 other10% OwnerSSale−149.1K$0.3335−$49.7K−2.1%6.89M after3 lots
Feb 12, 2025 (view filing)Feb 111 dayBorthwick KathleenCFOSSale−3.18K$0.53−$1.69K−7.2%41.3K after
Jan 14, 2025 (view filing)5:17 PM ETJan 10-144 daysOrbiMed Advisors LLC and 1 other10% OwnerSSale−223.2K$0.6371−$142.2K−3.1%7.03M after3 lots
Jan 8, 2025 (view filing)6:09 PM ETJan 6-82 daysOrbiMed Advisors LLC and 1 other10% OwnerSSale−147.0K$0.7026−$103.3K−2.0%7.26M after3 lots
Dec 31, 2024 (view filing)4:05 PM ETDec 274 daysNichols Weston and 1 other10% OwnerPPurchaseCommon stock, $0.0001 par value per share+373.6K$0.6451+$241.0K+4.2%9.26M after
Dec 26, 2024 (view filing)4:34 PM ETDec 206 daysOrbiMed Advisors LLC and 1 other10% OwnerSSale−230.3K$0.60−$138.2K−3.0%7.40M after
Dec 11, 2024 (view filing)5:32 PM ETDec 9-112 daysOrbiMed Advisors LLC and 1 other10% OwnerSSale−62.3K$0.8348−$52.0K−0.8%7.64M after3 lots
Dec 6, 2024 (view filing)7:07 PM ETDec 4-62 daysOrbiMed Advisors LLC and 1 other10% OwnerSSale−97.1K$0.7965−$77.3K−1.2%7.70M after2 lots
Nov 27, 2024 (view filing)6:11 PM ETNov 252 daysNichols Weston and 1 other10% OwnerPPurchaseCommon stock, $0.0001 par value per share ("Common Stock")+260.0K$0.5641+$146.7K+3.1%8.69M after
Nov 27, 2024 (view filing)6:11 PM ETNov 26-271 dayNichols Weston and 1 other10% OwnerPPurchase+196.4K$0.7021+$137.9K+2.3%8.88M after2 lots
Sep 23, 2024 (view filing)4:51 PM ETSep 194 daysOrbiMed Advisors LLC and 1 other10% OwnerSSale−39.3K$0.71−$27.9K−0.5%7.79M after
Sep 18, 2024 (view filing)6:38 PM ETSep 16-182 daysOrbiMed Advisors LLC and 1 other10% OwnerSSale−200.1K$0.7332−$146.7K−2.5%7.83M after3 lots
Feb 13, 2024 (view filing)Feb 13Same dayBorthwick KathleenSVP, INTERIM CFOSSale−1.47K$0.97−$1.43K−4.9%28.5K after
Feb 13, 2024 (view filing)Feb 13Same dayForman Mark SCHIEF MEDICAL OFFICERSSale−1.64K$0.97−$1.59K−3.3%48.6K after
Jan 3, 2024 (view filing)Jan 21 dayForman Mark SChief Medical OfficerSSale−15.8K$0.91−$14.4K−25.9%45.3K after
Jan 3, 2024 (view filing)Jan 21 dayBorthwick KathleenSVP, Interim CFOSSale−10.7K$0.91−$9.71K−29.2%25.9K after
Jan 3, 2024 (view filing)Jan 21 dayCale Edgar B.GC & Corporate SecretarySSale−15.8K$0.91−$14.4K−25.6%46.0K after
Aug 1, 2023 (view filing)Jul 284 daysKing SimonaChief Financial OfficerSSale−11.5K$0.88−$10.1K−32.3%24.0K after
Jun 29, 2023 (view filing)4:42 PM ETJun 27-282 daysOrbiMed Advisors LLC and 1 other10% OwnerPPurchase+1.19M$0.84+$1.00M+17.4%8.03M after2 lots
Jun 20, 2023 (view filing)Jun 164 daysFotopoulos AlexandrosChief Technical OfficerSSale−4.05K$0.93−$3.77K−12.4%28.7K after
Apr 20, 2023 (view filing)Apr 182 daysKing SimonaChief Financial OfficerSSale−2.05K$1.05−$2.16K−50.0%2.05K after
Dec 2, 2022 (view filing)Dec 11 dayKapadia SandipDirectorSSale−5.00K$1.19−$5.95K−100.0%0 after
Nov 25, 2022 (view filing)Nov 223 daysFotopoulos AlexandrosChief Technical OfficerSSale−3.72K$1.33−$4.95K−15.5%20.2K after
Nov 18, 2022 (view filing)Sep 1960 daysLateToernsen Monika MariaChief Commercial OfficerSSale−1.68K$1.51−$2.54K−33.6%3.32K after
May 5, 2022 (view filing)5:23 PM ETMay 3-42 daysOrbiMed Advisors LLC and 1 other10% OwnerPPurchase+525.0K$1.94+$1.02M+8.3%6.84M after2 lots
May 5, 2022 (view filing)5:11 PM ETJan 20105 daysOrbiMed Advisors LLC and 1 other10% OwnerPPurchase+50.8K$5.00+$254.0K+0.8%6.32M afterAmended
Mar 23, 2022 (view filing)Mar 212 daysGoldsmith Bruce ACEO and PresidentPPurchase+10.0K$3.15+$31.5K+167.1%16.0K after
Jan 20, 2022 (view filing)6:03 PM ETJan 14-196 daysLateOrbiMed Advisors LLC and 1 other10% OwnerPPurchase+168.3K$5.38+$905.2K+2.8%6.27M after3 lots
Jan 13, 2022 (view filing)7:37 PM ETJan 11-132 daysOrbiMed Advisors LLC and 1 other10% OwnerPPurchase+150.0K$5.61+$841.1K+2.5%6.10M after3 lots