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United States Biotechnology & Medical Research

Passage Bio Inc (PASG)

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Ticker: PASG Exchange: NSM
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• Purchase • Sale • Planned purchase • Planned sale Net purchase Net sale Activity signal Earnings
Top insiders
Trades
Chou William
Officer
1 sale — total 75,120 USD
Proposed sale 9 Jan 2026
Value US$1,544,055.31 | Price 173.24 | Shares 97,975
Sale 8 Jan 2026
Value US$83,496.82 | Price 217.89 | Shares 28,604
Sale 8 Jan 2026
Value US$38,022.04 | Price 18.44 | Shares 2,062
Buy 15 Sep 2025
Value US$83,175.05 | Price 6.99 | Shares 11,900
Buy 12 Sep 2025
Value US$138,299.00 | Price 6.99 | Shares 19,783
Buy 11 Sep 2025
Value US$2,260.64 | Price 6.96 | Shares 325
Buy 24 Jul 2025
Value US$379,454.67 | Price 5.71 | Shares 66,423
Buy 23 Jul 2025
Value US$283,032.92 | Price 5.74 | Shares 49,302
Buy 22 Jul 2025
Value US$71,337.94 | Price 5.44 | Shares 13,123
Proposed sale 21 Jul 2025
Value US$737,506.20 | Price 5.56 | Shares 132,645
Proposed sale 15 Jul 2025
Value US$361,859.47 | Price 6.79 | Shares 53,293
Proposed sale 7 Jul 2025
Value US$112,147.00 | Price 0.43 | Shares 259,000
Sale 26 Jun 2025
Value US$70,374.81 | Price 0.33 | Shares 213,257
Sale 25 Jun 2025
Value US$45,804.00 | Price 0.33 | Shares 138,800
Sale 24 Jun 2025
Value US$81,060.00 | Price 0.35 | Shares 231,600
Proposed sale 24 Jun 2025
Value US$378,364.00 | Price 0.35 | Shares 1,076,120
Sale 24 Apr 2025
Value US$21,822.40 | Price 0.32 | Shares 68,195
Sale 23 Apr 2025
Value US$30,371.52 | Price 0.34 | Shares 89,328
Sale 22 Apr 2025
Value US$26,536.66 | Price 0.34 | Shares 78,049
Sale 17 Apr 2025
Value US$25,439.70 | Price 0.33 | Shares 77,090
Sale 16 Apr 2025
Value US$20,340.54 | Price 0.33 | Shares 61,638
Sale 15 Apr 2025
Value US$3,923.88 | Price 0.38 | Shares 10,326
Proposed sale 15 Apr 2025
Value US$301,490.00 | Price 0.38 | Shares 787,179
Sale 11 Feb 2025
Value US$1,685.72 | Price 0.53 | Shares 3,183
Sale 14 Jan 2025
Value US$47,414.40 | Price 0.60 | Shares 79,024
Sale 13 Jan 2025
Value US$11,511.04 | Price 0.64 | Shares 17,986
Sale 10 Jan 2025
Value US$83,297.94 | Price 0.66 | Shares 126,209
Sale 8 Jan 2025
Value US$51,004.76 | Price 0.68 | Shares 75,007
Sale 7 Jan 2025
Value US$37,300.56 | Price 0.71 | Shares 52,536
Sale 6 Jan 2025
Value US$15,000.37 | Price 0.77 | Shares 19,481
Proposed sale 6 Jan 2025
Value US$945,673.00 | Price 0.83 | Shares 1,140,740
Buy 27 Dec 2024
Value US$241,038.39 | Price 0.65 | Shares 373,645
Sale 20 Dec 2024
Value US$138,192.60 | Price 0.60 | Shares 230,321
Sale 11 Dec 2024
Value US$64.00 | Price 0.80 | Shares 80
Sale 10 Dec 2024
Value US$6,412.00 | Price 0.80 | Shares 8,015
Sale 9 Dec 2024
Value US$45,512.04 | Price 0.84 | Shares 54,181
Sale 6 Dec 2024
Value US$17,140.46 | Price 0.82 | Shares 20,903
Sale 4 Dec 2024
Value US$60,198.00 | Price 0.79 | Shares 76,200
Proposed sale 4 Dec 2024
Value US$2,657,111.02 | Price 0.89 | Shares 2,985,518
Proposed sale 4 Dec 2024
Value US$1,805,193.23 | Price 0.89 | Shares 2,028,307
Buy 27 Nov 2024
Value US$19,663.23 | Price 0.67 | Shares 29,300
Buy 26 Nov 2024
Value US$118,191.41 | Price 0.71 | Shares 167,055
Buy 25 Nov 2024
Value US$146,664.87 | Price 0.56 | Shares 259,998
Sale 19 Sep 2024
Value US$27,903.00 | Price 0.71 | Shares 39,300
Sale 18 Sep 2024
Value US$18,710.63 | Price 0.73 | Shares 25,631
Sale 17 Sep 2024
Value US$81,322.00 | Price 0.73 | Shares 111,400
Sale 16 Sep 2024
Value US$46,694.00 | Price 0.74 | Shares 63,100
Proposed sale 16 Sep 2024
Value US$194,751.70 | Price 0.81 | Shares 241,328
Proposed sale 16 Sep 2024
Value US$748,550.60 | Price 0.81 | Shares 927,572
Sale 13 Feb 2024
Value US$1,425.90 | Price 0.97 | Shares 1,470
Sale 13 Feb 2024
Value US$1,588.86 | Price 0.97 | Shares 1,638
Sale 2 Jan 2024
Value US$9,711.52 | Price 0.91 | Shares 10,672
Sale 2 Jan 2024
Value US$14,389.83 | Price 0.91 | Shares 15,813
Sale 2 Jan 2024
Value US$14,389.83 | Price 0.91 | Shares 15,813
Sale 28 Jul 2023
Value US$10,078.64 | Price 0.88 | Shares 11,453
Buy 28 Jun 2023
Value US$483,163.80 | Price 0.84 | Shares 575,195
Buy 27 Jun 2023
Value US$518,600.88 | Price 0.84 | Shares 617,382
Sale 16 Jun 2023
Value US$3,778.49 | Price 0.93 | Shares 4,052
Sale 18 Apr 2023
Value US$2,155.65 | Price 1.05 | Shares 2,053
Planned sale 1 Dec 2022
Value US$5,964.50 | Price 1.19 | Shares 5,000
Planned sale 22 Nov 2022
Value US$4,947.60 | Price 1.33 | Shares 3,720
Sale 19 Sep 2022
Value US$2,539.15 | Price 1.51 | Shares 1,681
Buy 4 May 2022
Value US$588,790.00 | Price 1.94 | Shares 303,500
Buy 3 May 2022
Value US$427,495.00 | Price 1.93 | Shares 221,500
Buy 21 Mar 2022
Value US$31,500.00 | Price 3.15 | Shares 10,000
Buy 20 Jan 2022
Value US$2,000,522.00 | Price 5.42 | Shares 369,100
Buy 19 Jan 2022
Value US$221,263.00 | Price 5.11 | Shares 43,300
Buy 18 Jan 2022
Value US$626,262.00 | Price 5.46 | Shares 114,700
Buy 14 Jan 2022
Value US$57,680.00 | Price 5.60 | Shares 10,300
Buy 13 Jan 2022
Value US$230,736.00 | Price 5.52 | Shares 41,800
Buy 12 Jan 2022
Value US$565,000.00 | Price 5.65 | Shares 100,000
Buy 11 Jan 2022
Value US$45,346.00 | Price 5.53 | Shares 8,200
Planned buy 21 May 2021
Value US$26,230.00 | Price 13.12 | Shares 2,000
Planned sale 15 Mar 2021
Value US$35,350.21 | Price 21.86 | Shares 1,617
Planned sale 15 Mar 2021
Value US$175,662.41 | Price 20.95 | Shares 8,383
Abbreviations B: Buy, S: Sell, PP: Planned purchase, PlS: Planned sale, PrS: Proposed sale, O: Option / Other
Notification date Transaction date B/S Transaction type Insider and/or position Nb. shares
Price
Value 		Number of shares Price Value Details
2026-01-09 2026-01-09 PrS Proposed sale
3.4
Chou William

Officer

Officer
97,975
173.24
US$1,544,055 		97,975 173.24 US$1,544,055
2026-01-12 2026-01-08 S Sale
3.4
Chou William

PRESIDENT AND CEO

Executive Director
28,604 -15.0%
217.89
US$83,497 		28,604 -15.0% 217.89 US$83,497
2026-01-12 2026-01-08 S Sale
3.8
Borthwick Kathleen

CFO

Officer
12,084 +19.5%
340.73
US$4,006,661 		12,084 +19.5% 340.73 US$4,006,661
2025-09-15 2025-09-15 B Purchase
4.1
Lynx1 Capital Management LP
Large shareholder
11,900 +1.9%
6.99
US$83,175 		11,900 +1.9% 6.99 US$83,175
2025-09-15 2025-09-12 B Purchase
4.1
Lynx1 Capital Management LP
Large shareholder
19,783 +3.3%
6.99
US$138,299 		19,783 +3.3% 6.99 US$138,299
2025-09-15 2025-09-11 B Purchase
4.1
Lynx1 Capital Management LP
Large shareholder
325 +0.1%
6.96
US$2,261 		325 +0.1% 6.96 US$2,261
2025-07-24 2025-07-24 B Purchase
4.1
Lynx1 Capital Management LP
Large shareholder
66,423 +12.6%
5.71
US$379,455 		66,423 +12.6% 5.71 US$379,455
2025-07-24 2025-07-23 B Purchase
4.1
Lynx1 Capital Management LP
Large shareholder
49,302 +10.4%
5.74
US$283,033 		49,302 +10.4% 5.74 US$283,033
2025-07-24 2025-07-22 B Purchase
4.1
Lynx1 Capital Management LP
Large shareholder
13,123 +2.8%
5.44
US$71,338 		13,123 +2.8% 5.44 US$71,338
2025-07-21 2025-07-21 PrS Proposed sale
2.6
OrbiMed Private Investments VII, LP

Stockholder

Large shareholder
132,645
5.56
US$737,506 		132,645 5.56 US$737,506
2025-07-15 2025-07-15 PrS Proposed sale
2.6
OrbiMed Private Investments VII, LP

Stockholder

Large shareholder
53,293
6.79
US$361,859 		53,293 6.79 US$361,859
2025-07-07 2025-07-07 PrS Proposed sale
2.6
OrbiMed Private Investments VII, LP

Stockholder

Large shareholder
259,000
0.43
US$112,147 		259,000 0.43 US$112,147
2025-06-26 2025-06-26 S Sale
2.6
ORBIMED ADVISORS LLC
Large shareholder
213,257 -3.4%
0.33
US$70,375 		213,257 -3.4% 0.33 US$70,375
2025-06-26 2025-06-25 S Sale
2.6
ORBIMED ADVISORS LLC
Large shareholder
138,800 -2.2%
0.33
US$45,804 		138,800 -2.2% 0.33 US$45,804
2025-06-26 2025-06-24 S Sale
2.6
ORBIMED ADVISORS LLC
Large shareholder
231,600 -3.5%
0.35
US$81,060 		231,600 -3.5% 0.35 US$81,060
2025-06-24 2025-06-24 PrS Proposed sale
2.6
OrbiMed Private Investments VII, LP

Stockholder

Large shareholder
1,076,120
0.35
US$378,364 		1,076,120 0.35 US$378,364
2025-04-24 2025-04-24 S Sale
2.6
ORBIMED ADVISORS LLC
Large shareholder
68,195 -1.0%
0.32
US$21,822 		68,195 -1.0% 0.32 US$21,822
2025-04-24 2025-04-23 S Sale
2.6
ORBIMED ADVISORS LLC
Large shareholder
89,328 -1.3%
0.34
US$30,372 		89,328 -1.3% 0.34 US$30,372
2025-04-24 2025-04-22 S Sale
2.6
ORBIMED ADVISORS LLC
Large shareholder
78,049 -1.1%
0.34
US$26,537 		78,049 -1.1% 0.34 US$26,537
2025-04-17 2025-04-17 S Sale
2.6
ORBIMED ADVISORS LLC
Large shareholder
77,090 -1.1%
0.33
US$25,440 		77,090 -1.1% 0.33 US$25,440
2025-04-17 2025-04-16 S Sale
2.6
ORBIMED ADVISORS LLC
Large shareholder
61,638 -0.9%
0.33
US$20,341 		61,638 -0.9% 0.33 US$20,341
2025-04-17 2025-04-15 S Sale
2.6
ORBIMED ADVISORS LLC
Large shareholder
10,326 -0.1%
0.38
US$3,924 		10,326 -0.1% 0.38 US$3,924
2025-04-15 2025-04-15 PrS Proposed sale
2.6
OrbiMed Private Investments VII, LP

Stockholder

Large shareholder
787,179
0.38
US$301,490 		787,179 0.38 US$301,490
2025-02-12 2025-02-11 S Sale
3.8
Borthwick Kathleen

CFO

Officer
3,183 -7.2%
0.53
US$1,686 		3,183 -7.2% 0.53 US$1,686
2025-01-14 2025-01-14 S Sale
2.6
ORBIMED ADVISORS LLC
Large shareholder
79,024 -1.1%
0.60
US$47,414 		79,024 -1.1% 0.60 US$47,414
2025-01-14 2025-01-13 S Sale
2.6
ORBIMED ADVISORS LLC
Large shareholder
17,986 -0.3%
0.64
US$11,511 		17,986 -0.3% 0.64 US$11,511
2025-01-14 2025-01-10 S Sale
2.6
ORBIMED ADVISORS LLC
Large shareholder
126,209 -1.7%
0.66
US$83,298 		126,209 -1.7% 0.66 US$83,298
2025-01-08 2025-01-08 S Sale
2.6
ORBIMED ADVISORS LLC
Large shareholder
75,007 -1.0%
0.68
US$51,005 		75,007 -1.0% 0.68 US$51,005
2025-01-08 2025-01-07 S Sale
2.6
ORBIMED ADVISORS LLC
Large shareholder
52,536 -0.7%
0.71
US$37,301 		52,536 -0.7% 0.71 US$37,301
2025-01-08 2025-01-06 S Sale
2.6
ORBIMED ADVISORS LLC
Large shareholder
19,481 -0.3%
0.77
US$15,000 		19,481 -0.3% 0.77 US$15,000
2025-01-06 2025-01-06 PrS Proposed sale
2.6
OrbiMed Private Investments VII, LP

Stockholder

Large shareholder
1,140,740
0.83
US$945,673 		1,140,740 0.83 US$945,673
2024-12-31 2024-12-27 B Purchase
4.1
Lynx1 Capital Management LP
Large shareholder
373,645 +4.2%
0.65
US$241,038 		373,645 +4.2% 0.65 US$241,038
2024-12-26 2024-12-20 S Sale
2.6
ORBIMED ADVISORS LLC
Large shareholder
230,321 -3.0%
0.60
US$138,193 		230,321 -3.0% 0.60 US$138,193
2024-12-11 2024-12-11 S Sale
2.6
ORBIMED ADVISORS LLC
Large shareholder
80 -0.0%
0.80
US$64 		80 -0.0% 0.80 US$64
2024-12-11 2024-12-10 S Sale
2.6
ORBIMED ADVISORS LLC
Large shareholder
8,015 -0.1%
0.80
US$6,412 		8,015 -0.1% 0.80 US$6,412
2024-12-11 2024-12-09 S Sale
2.6
ORBIMED ADVISORS LLC
Large shareholder
54,181 -0.7%
0.84
US$45,512 		54,181 -0.7% 0.84 US$45,512
2024-12-06 2024-12-06 S Sale
2.6
ORBIMED ADVISORS LLC
Large shareholder
20,903 -0.3%
0.82
US$17,140 		20,903 -0.3% 0.82 US$17,140
2024-12-06 2024-12-04 S Sale
2.6
ORBIMED ADVISORS LLC
Large shareholder
76,200 -1.0%
0.79
US$60,198 		76,200 -1.0% 0.79 US$60,198
2024-12-04 2024-12-04 PrS Proposed sale
2.6
OrbiMed Private Investments VII, LP

Stockholder

Large shareholder
2,985,518
0.89
US$2,657,111 		2,985,518 0.89 US$2,657,111
2024-12-04 2024-12-04 PrS Proposed sale
Worldwide Healthcare Trust PLC

Stockholder

Large shareholder
2,028,307
0.89
US$1,805,193 		2,028,307 0.89 US$1,805,193
2024-11-27 2024-11-27 B Purchase
4.1
Lynx1 Capital Management LP
Large shareholder
29,300 +0.3%
0.67
US$19,663 		29,300 +0.3% 0.67 US$19,663
2024-11-27 2024-11-26 B Purchase
4.1
Lynx1 Capital Management LP
Large shareholder
167,055 +1.9%
0.71
US$118,191 		167,055 +1.9% 0.71 US$118,191
2024-11-27 2024-11-25 B Purchase
4.1
Lynx1 Capital Management LP
Large shareholder
259,998 +3.1%
0.56
US$146,665 		259,998 +3.1% 0.56 US$146,665
2024-09-23 2024-09-19 S Sale
2.6
ORBIMED ADVISORS LLC
Large shareholder
39,300 -0.5%
0.71
US$27,903 		39,300 -0.5% 0.71 US$27,903
2024-09-18 2024-09-18 S Sale
2.6
ORBIMED ADVISORS LLC
Large shareholder
25,631 -0.3%
0.73
US$18,711 		25,631 -0.3% 0.73 US$18,711
2024-09-18 2024-09-17 S Sale
2.6
ORBIMED ADVISORS LLC
Large shareholder
111,400 -1.4%
0.73
US$81,322 		111,400 -1.4% 0.73 US$81,322
2024-09-18 2024-09-16 S Sale
2.6
ORBIMED ADVISORS LLC
Large shareholder
63,100 -0.8%
0.74
US$46,694 		63,100 -0.8% 0.74 US$46,694
2024-09-16 2024-09-16 PrS Proposed sale
Worldwide Healthcare Trust PLC

Owner
241,328
0.81
US$194,752 		241,328 0.81 US$194,752
2024-09-16 2024-09-16 PrS Proposed sale
2.6
OrbiMed Private Investments VII, LP

Owner
927,572
0.81
US$748,551 		927,572 0.81 US$748,551
2024-02-13 2024-02-13 S Sale
3.8
Borthwick Kathleen

SVP, INTERIM CFO

Officer
1,470 -4.9%
0.97
US$1,426 		1,470 -4.9% 0.97 US$1,426
2024-02-13 2024-02-13 S Sale
1.0
Forman Mark S

CHIEF MEDICAL OFFICER

Officer
1,638 -3.3%
0.97
US$1,589 		1,638 -3.3% 0.97 US$1,589
2024-01-03 2024-01-02 S Sale
3.8
Borthwick Kathleen

SVP, Interim CFO

Officer
10,672 -29.2%
0.91
US$9,712 		10,672 -29.2% 0.91 US$9,712
2024-01-03 2024-01-02 S Sale
1.0
Forman Mark S

Chief Medical Officer

Officer
15,813 -25.9%
0.91
US$14,390 		15,813 -25.9% 0.91 US$14,390
2024-01-03 2024-01-02 S Sale
0.6
Cale Edgar B.

GC & Corporate Secretary

Officer
15,813 -25.6%
0.91
US$14,390 		15,813 -25.6% 0.91 US$14,390
2023-08-01 2023-07-28 S Sale
3.6
King Simona

Chief Financial Officer

Officer
11,453 -32.3%
0.88
US$10,079 		11,453 -32.3% 0.88 US$10,079
2023-06-29 2023-06-28 B Purchase
2.6
ORBIMED ADVISORS LLC
Large shareholder
575,195 +7.7%
0.84
US$483,164 		575,195 +7.7% 0.84 US$483,164
2023-06-29 2023-06-27 B Purchase
2.6
ORBIMED ADVISORS LLC
Large shareholder
617,382 +9.0%
0.84
US$518,601 		617,382 +9.0% 0.84 US$518,601
2023-06-20 2023-06-16 S Sale
2.3
Fotopoulos Alexandros

Chief Technical Officer

Officer
4,052 -12.4%
0.93
US$3,778 		4,052 -12.4% 0.93 US$3,778
2023-04-20 2023-04-18 S Sale
3.6
King Simona

Chief Financial Officer

Officer
2,053 -50.0%
1.05
US$2,156 		2,053 -50.0% 1.05 US$2,156
2022-12-02 2022-12-01 PlS Planned sale
Kapadia Sandip
Non-Executive Director
5,000 -100.0%
1.19
US$5,964 		5,000 -100.0% 1.19 US$5,964
2022-11-25 2022-11-22 PlS Planned sale
2.3
Fotopoulos Alexandros

Chief Technical Officer

Officer
3,720 -15.5%
1.33
US$4,948 		3,720 -15.5% 1.33 US$4,948
2022-11-18 2022-09-19 S Sale
2.4
Toernsen Monika Maria

Chief Commercial Officer

Officer
1,681 -33.6%
1.51
US$2,539 		1,681 -33.6% 1.51 US$2,539
2022-05-05 2022-05-04 B Purchase
2.6
ORBIMED ADVISORS LLC
Large shareholder
303,500 +4.6%
1.94
US$588,790 		303,500 +4.6% 1.94 US$588,790
2022-05-05 2022-05-03 B Purchase
2.6
ORBIMED ADVISORS LLC
Large shareholder
221,500 +3.5%
1.93
US$427,495 		221,500 +3.5% 1.93 US$427,495
2022-03-23 2022-03-21 B Purchase
0.6
Goldsmith Bruce A

CEO and President

Executive Director
10,000 +167.1%
3.15
US$31,500 		10,000 +167.1% 3.15 US$31,500
2022-01-24 2022-01-20 B Purchase
2.6
ORBIMED ADVISORS LLC
Large shareholder
369,100 +5.9%
5.42
US$2,000,522 		369,100 +5.9% 5.42 US$2,000,522
2022-01-20 2022-01-19 B Purchase
2.6
ORBIMED ADVISORS LLC
Large shareholder
43,300 +0.7%
5.11
US$221,263 		43,300 +0.7% 5.11 US$221,263
2022-01-20 2022-01-18 B Purchase
2.6
ORBIMED ADVISORS LLC
Large shareholder
114,700 +1.9%
5.46
US$626,262 		114,700 +1.9% 5.46 US$626,262
2022-01-20 2022-01-14 B Purchase
2.6
ORBIMED ADVISORS LLC
Large shareholder
10,300 +0.2%
5.60
US$57,680 		10,300 +0.2% 5.60 US$57,680
2022-01-13 2022-01-13 B Purchase
2.6
ORBIMED ADVISORS LLC
Large shareholder
41,800 +0.7%
5.52
US$230,736 		41,800 +0.7% 5.52 US$230,736
2022-01-13 2022-01-12 B Purchase
2.6
ORBIMED ADVISORS LLC
Large shareholder
100,000 +1.7%
5.65
US$565,000 		100,000 +1.7% 5.65 US$565,000
2022-01-13 2022-01-11 B Purchase
2.6
ORBIMED ADVISORS LLC
Large shareholder
8,200 +0.1%
5.53
US$45,346 		8,200 +0.1% 5.53 US$45,346
2021-05-21 2021-05-21 PP Planned purchase
0.6
Goldsmith Bruce A

CEO and President

Executive Director
2,000 +50.2%
13.12
US$26,230 		2,000 +50.2% 13.12 US$26,230
2021-03-17 2021-03-15 PlS Planned sale
4.1
Romano Gary

Chief Medical Officer

Officer
1,617 -100.0%
21.86
US$35,350 		1,617 -100.0% 21.86 US$35,350
2021-03-17 2021-03-15 PlS Planned sale
4.1
Romano Gary

Chief Medical Officer

Officer
8,383 -83.8%
20.95
US$175,662 		8,383 -83.8% 20.95 US$175,662
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