United States Biotechnology & Medical Research

Jade Biosciences Inc (JBIO)

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Insider activity at Jade Biosciences Inc. has been inactive over the last three months. The most recent transactions occurred in June 2025, involving proposed sales by Atlas Venture entities. Prior to this, the CEO executed a purchase in May 2025. Given the lack of recent trading, no current trends in insider sentiment are evident.
Ticker: JBIO Exchange: NAS
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• Purchase • Sale • Planned purchase • Planned sale Net purchase Net sale Buy signal Sell signal Earnings
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Insider trades have triggered activity signals for Jade Biosciences Inc. Upgrade to see score, net flow, insiders and the full signal context.

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Proposed sale 25 Jun 2025
Value US$618,360.89 | Price 473.68 | Shares 60,746
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
2025-06-25 2025-06-25 PrS Proposed sale
Atlas Venture Fund XII, L.P.

Shareholder
60,746
473.68
US$618,361 		60,746 473.68 US$618,361
2025-06-25 2025-06-25 PrS Proposed sale
Atlas Venture Associates XII, L.P.

Shareholder
57,098
167.80
US$585,597 		57,098 167.80 US$585,597
2025-06-24 2025-06-24 PrS Proposed sale
Atlas Venture Fund XII, L.P.

Shareholder
6,869
315.21
US$2,805,274 		6,869 315.21 US$2,805,274
2025-06-24 2025-06-24 PrS Proposed sale
Atlas Venture Associates XII, L.P.

Shareholder
131
9.87
US$1,293 		131 9.87 US$1,293
2025-05-19 2025-05-16 B Purchase
0.9
Frohlich Tom

Chief Executive Officer

Executive Director
6,000 +inf%
7.40
US$44,400 		6,000 +inf% 7.40 US$44,400
2025-05-06 2025-05-06 PrS Proposed sale
Atlas Venture Associates XII, L.P.

Shareholder
48
11.50
US$552 		48 11.50 US$552
2025-05-06 2025-05-06 PrS Proposed sale
Atlas Venture Fund XII, L.P.

Shareholder
5,883
11.50
US$67,654 		5,883 11.50 US$67,654
2024-06-20 2024-06-17 B Purchase
2.9
RA CAPITAL MANAGEMENT, L.P.
Non-Executive Director Large shareholder
928,110 +13.3%
1.67
US$1,549,944 		928,110 +13.3% 1.67 US$1,549,944
2024-06-14 2024-06-14 PrS Proposed sale
MARINUS VERWIJS

Officer

Officer
10,600
25.00
US$265,000 		10,600 25.00 US$265,000
2024-06-14 2024-06-14 PlS Planned sale
Verwijs Marinus

CHIEF TECHNICAL OFFICER

Officer
10,600 -100.0%
25.00
US$265,000 		10,600 -100.0% 25.00 US$265,000
2024-06-14 2024-06-14 PlS Planned sale
Eldridge George A

SEE REMARKS

Officer
15,000 -74.9%
25.03
US$375,450 		15,000 -74.9% 25.03 US$375,450
2024-06-14 2024-06-13 PlS Planned sale
Gillies Hunter

CHIEF MEDICAL OFFICER

Officer
6,000 -51.7%
24.50
US$147,000 		6,000 -51.7% 24.50 US$147,000
2024-06-13 2024-06-13 PrS Proposed sale
HUNTER C GILLIES

Officer

Officer
6,000
24.50
US$147,000 		6,000 24.50 US$147,000
2024-05-17 2024-05-17 PrS Proposed sale
HUNTER C GILLIES

Officer

Officer
4,000
21.08
US$84,331 		4,000 21.08 US$84,331
2024-05-17 2024-05-17 PlS Planned sale
Gillies Hunter

CHIEF MEDICAL OFFICER

Officer
86 -1.5%
21.86
US$1,880 		86 -1.5% 21.86 US$1,880
2024-05-17 2024-05-17 PlS Planned sale
Gillies Hunter

CHIEF MEDICAL OFFICER

Officer
3,914 -40.8%
21.07
US$82,452 		3,914 -40.8% 21.07 US$82,452
2024-05-17 2024-05-16 PlS Planned sale
NOYES TIMOTHY P

CHIEF EXECUTIVE OFFICER

Executive Director
1,293 -100.0%
21.92
US$28,345 		1,293 -100.0% 21.92 US$28,345
2024-05-17 2024-05-16 PlS Planned sale
NOYES TIMOTHY P

CHIEF EXECUTIVE OFFICER

Executive Director
8,707 -87.1%
21.52
US$187,410 		8,707 -87.1% 21.52 US$187,410
2024-05-16 2024-05-16 PrS Proposed sale
TIMOTHY NOYES

Officer; Director

Executive Director
10,000
21.58
US$215,755 		10,000 21.58 US$215,755
2024-05-03 2024-05-02 PlS Planned sale
Verwijs Marinus

CHIEF TECHNICAL OFFICER

Officer
1,981 -100.0%
21.02
US$41,631 		1,981 -100.0% 21.02 US$41,631
2024-05-03 2024-05-02 PlS Planned sale
Verwijs Marinus

CHIEF TECHNICAL OFFICER

Officer
1,981 -100.0%
21.02
US$41,631 		1,981 -100.0% 21.02 US$41,631
2024-05-02 2024-05-02 PrS Proposed sale
Verwijs Marinus

Officer

Officer
1,981
21.02
US$41,631 		1,981 21.02 US$41,631
2024-05-03 2024-05-01 PlS Planned sale
NOYES TIMOTHY P

CHIEF EXECUTIVE OFFICER

Executive Director
1,357 -100.0%
19.91
US$27,018 		1,357 -100.0% 19.91 US$27,018
2024-05-03 2024-05-01 PlS Planned sale
NOYES TIMOTHY P

CHIEF EXECUTIVE OFFICER

Executive Director
965 -100.0%
20.87
US$20,135 		965 -100.0% 20.87 US$20,135
2024-05-03 2024-05-01 PlS Planned sale
NOYES TIMOTHY P

CHIEF EXECUTIVE OFFICER

Executive Director
9,035 -90.3%
20.34
US$183,793 		9,035 -90.3% 20.34 US$183,793
2024-05-01 2024-05-01 PrS Proposed sale
TIMOTHY NOYES

Officer; Director

Executive Director
11,357
20.34
US$230,945 		11,357 20.34 US$230,945
2024-04-19 2024-04-17 PlS Planned sale
Gillies Hunter

CHIEF MEDICAL OFFICER

Officer
311 -8.7%
23.33
US$7,255 		311 -8.7% 23.33 US$7,255
2024-04-19 2024-04-17 PlS Planned sale
Gillies Hunter

CHIEF MEDICAL OFFICER

Officer
3,689 -50.9%
22.30
US$82,267 		3,689 -50.9% 22.30 US$82,267
2024-04-19 2024-04-17 PlS Planned sale
Dake Benjamin T

SEE REMARKS

Officer
68 -5.0%
23.97
US$1,630 		68 -5.0% 23.97 US$1,630
2024-04-19 2024-04-17 PlS Planned sale
Dake Benjamin T

SEE REMARKS

Officer
338 -19.9%
23.17
US$7,831 		338 -19.9% 23.17 US$7,831
2024-04-19 2024-04-17 PlS Planned sale
Dake Benjamin T

SEE REMARKS

Officer
6,447 -79.2%
22.32
US$143,865 		6,447 -79.2% 22.32 US$143,865
2024-04-17 2024-04-17 PrS Proposed sale
Dake Benjamin T

Officer

Officer
6,853
23.62
US$161,868 		6,853 23.62 US$161,868
2024-04-17 2024-04-17 PrS Proposed sale
HUNTER C GILLIES

Officer

Officer
4,000
22.38
US$89,522 		4,000 22.38 US$89,522
2024-04-18 2024-04-16 PlS Planned sale
NOYES TIMOTHY P

CHIEF EXECUTIVE OFFICER

Executive Director
5,509 -100.0%
24.94
US$137,410 		5,509 -100.0% 24.94 US$137,410
2024-04-18 2024-04-16 PlS Planned sale
NOYES TIMOTHY P

CHIEF EXECUTIVE OFFICER

Executive Director
4,491 -44.9%
24.40
US$109,561 		4,491 -44.9% 24.40 US$109,561
2024-04-16 2024-04-16 PrS Proposed sale
TIMOTHY NOYES

Officer; Director

Executive Director
10,000
24.70
US$246,970 		10,000 24.70 US$246,970
2024-04-12 2024-04-10 PlS Planned sale
Eldridge George A

SEE REMARKS

Officer
771 -28.2%
27.56
US$21,252 		771 -28.2% 27.56 US$21,252
2024-04-12 2024-04-10 PlS Planned sale
Eldridge George A

SEE REMARKS

Officer
6,729 -71.1%
26.77
US$180,139 		6,729 -71.1% 26.77 US$180,139
2024-04-11 2024-04-09 S Sale
3.4
GRAYZEL DAVID S.
Non-Executive Director
11,882 -45.0%
28.15
US$334,478 		11,882 -45.0% 28.15 US$334,478
2024-04-09 2024-04-09 PrS Proposed sale
Atlas Venture Associates XII, L.P.

Director

Non-Executive Director
11,882
26.48
US$314,635 		11,882 26.48 US$314,635
2024-04-03 2024-04-01 PlS Planned sale
NOYES TIMOTHY P

CHIEF EXECUTIVE OFFICER

Executive Director
1,000 -100.0%
31.95
US$31,950 		1,000 -100.0% 31.95 US$31,950
2024-04-03 2024-04-01 PlS Planned sale
NOYES TIMOTHY P

CHIEF EXECUTIVE OFFICER

Executive Director
2,851 -74.0%
31.02
US$88,446 		2,851 -74.0% 31.02 US$88,446
2024-04-03 2024-04-01 PlS Planned sale
NOYES TIMOTHY P

CHIEF EXECUTIVE OFFICER

Executive Director
1,647 -30.0%
29.90
US$49,238 		1,647 -30.0% 29.90 US$49,238
2024-04-03 2024-04-01 PlS Planned sale
NOYES TIMOTHY P

CHIEF EXECUTIVE OFFICER

Executive Director
4,502 -45.0%
28.96
US$130,399 		4,502 -45.0% 28.96 US$130,399
2024-04-03 2024-04-01 PlS Planned sale
Verwijs Marinus

CHIEF TECHNICAL OFFICER

Officer
1,504 -100.0%
30.00
US$45,118 		1,504 -100.0% 30.00 US$45,118
2024-04-03 2024-04-01 PlS Planned sale
Verwijs Marinus

CHIEF TECHNICAL OFFICER

Officer
3,796 -71.6%
28.87
US$109,579 		3,796 -71.6% 28.87 US$109,579
2024-04-03 2024-04-01 PlS Planned sale
Dake Benjamin T

SEE REMARKS

Officer
3,325 -72.0%
31.97
US$106,317 		3,325 -72.0% 31.97 US$106,317
2024-04-03 2024-04-01 PlS Planned sale
Eldridge George A

SEE REMARKS

Officer
12,495 -86.4%
31.23
US$390,208 		12,495 -86.4% 31.23 US$390,208
2024-04-01 2024-04-01 PrS Proposed sale
Eldridge George A

Officer

Officer
37,400
29.57
US$1,105,918 		37,400 29.57 US$1,105,918
2024-04-01 2024-04-01 PrS Proposed sale
TIMOTHY NOYES

Officer; Director

Executive Director
10,000
30.00
US$300,033 		10,000 30.00 US$300,033
2024-04-01 2024-04-01 PrS Proposed sale
MARINUS VERWIJS

Officer

Officer
5,300
29.19
US$154,697 		5,300 29.19 US$154,697
2024-04-01 2024-03-28 PlS Planned sale
Gillies Hunter

CHIEF MEDICAL OFFICER

Officer
9,000 -73.5%
29.50
US$265,500 		9,000 -73.5% 29.50 US$265,500
2024-03-28 2024-03-28 PrS Proposed sale
HUNTER C GILLIES

Officer

Officer
9,000
29.50
US$265,500 		9,000 29.50 US$265,500
2024-03-28 2024-03-27 PlS Planned sale
Dake Benjamin T

SEE REMARKS

Officer
11,068 -89.6%
27.97
US$309,519 		11,068 -89.6% 27.97 US$309,519
2024-03-27 2024-03-25 PlS Planned sale
Dake Benjamin T

SEE REMARKS

Officer
3,432 -72.7%
28.01
US$96,119 		3,432 -72.7% 28.01 US$96,119
2024-03-20 2024-03-19 PlS Planned sale
Verwijs Marinus

CHIEF TECHNICAL OFFICER

Officer
2,764 -100.0%
26.46
US$73,124 		2,764 -100.0% 26.46 US$73,124
2024-03-20 2024-03-19 PlS Planned sale
Verwijs Marinus

CHIEF TECHNICAL OFFICER

Officer
2,536 -47.8%
25.68
US$65,119 		2,536 -47.8% 25.68 US$65,119
2024-03-19 2024-03-19 PrS Proposed sale
MARINUS VERWIJS

Officer

Officer
5,300
26.08
US$138,243 		5,300 26.08 US$138,243
2024-03-20 2024-03-18 PlS Planned sale
Dake Benjamin T

SEE REMARKS

Officer
7,581 -85.4%
26.48
US$200,764 		7,581 -85.4% 26.48 US$200,764
2024-03-20 2024-03-18 PlS Planned sale
Dake Benjamin T

SEE REMARKS

Officer
27,476 -75.6%
25.74
US$707,282 		27,476 -75.6% 25.74 US$707,282
2024-03-20 2024-03-18 PlS Planned sale
Gillies Hunter

CHIEF MEDICAL OFFICER

Officer
613 -15.9%
26.40
US$16,185 		613 -15.9% 26.40 US$16,185
2024-03-20 2024-03-18 PlS Planned sale
Gillies Hunter

CHIEF MEDICAL OFFICER

Officer
6,387 -62.3%
25.81
US$164,872 		6,387 -62.3% 25.81 US$164,872
2024-03-18 2024-03-18 PrS Proposed sale
Dake Benjamin T

Officer

Officer
56,410
26.70
US$1,506,147 		56,410 26.70 US$1,506,147
2024-03-18 2024-03-18 PrS Proposed sale
HUNTER C GILLIES

Officer

Officer
7,000
25.87
US$181,056 		7,000 25.87 US$181,056
2024-03-14 2024-03-13 PlS Planned sale
Eldridge George A

SEE REMARKS

Officer
2,016 -50.7%
25.02
US$50,445 		2,016 -50.7% 25.02 US$50,445
2024-03-14 2024-03-12 PlS Planned sale
Eldridge George A

SEE REMARKS

Officer
2,051 -51.1%
25.05
US$51,370 		2,051 -51.1% 25.05 US$51,370
2024-03-11 2024-03-11 PlS Planned sale
Eldridge George A

SEE REMARKS

Officer
10 -0.5%
26.31
US$263 		10 -0.5% 26.31 US$263
2024-03-11 2024-03-11 PlS Planned sale
Eldridge George A

SEE REMARKS

Officer
3,423 -63.5%
25.24
US$86,404 		3,423 -63.5% 25.24 US$86,404
2024-03-11 2024-03-08 PlS Planned sale
Eldridge George A

SEE REMARKS

Officer
114 -5.5%
25.00
US$2,850 		114 -5.5% 25.00 US$2,850
2024-03-11 2024-03-07 PlS Planned sale
Eldridge George A

SEE REMARKS

Officer
22,386 -91.9%
25.00
US$559,688 		22,386 -91.9% 25.00 US$559,688
2024-03-11 2024-03-07 PlS Planned sale
Gillies Hunter

CHIEF MEDICAL OFFICER

Officer
8,975 -73.4%
24.50
US$219,888 		8,975 -73.4% 24.50 US$219,888
2024-03-07 2024-03-07 PrS Proposed sale
Eldridge George A

Officer

Officer
30,000
23.87
US$716,100 		30,000 23.87 US$716,100
2024-03-07 2024-03-07 PrS Proposed sale
HUNTER C GILLIES

Officer

Officer
8,975
24.50
US$219,888 		8,975 24.50 US$219,888
2024-02-27 2024-02-23 PlS Planned sale
Gillies Hunter

CHIEF MEDICAL OFFICER

Officer
511 -13.6%
19.50
US$9,964 		511 -13.6% 19.50 US$9,964
2024-02-23 2024-02-23 PrS Proposed sale
HUNTER C GILLIES

Officer

Officer
511
19.50
US$9,964 		511 19.50 US$9,964
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