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Jade Biosciences Inc (JBIO)

The most recent insider trading activity occurred on June 25, 2025, with significant proposed sales by Atlas Venture Fund XII, L.P. and Atlas Venture Associates XII, L.P. Earlier, on May 16, 2025, the CEO, Frohlich Tom, made a purchase. Prior to that, in June 2024, RA CAPITAL MANAGEMENT, L.P. executed a substantial buy, while several officers engaged in planned and proposed sales.
Stock chart
Ticker: JBIO Exchange: NAS


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Purchase Sale Planned purchase Planned sale Net purchase Net sale Activity signal Earnings
Top insiders
Trades
Atlas Venture Fund XII, L.P.
Shareholder
1 sale — total 303,679 USD
Proposed sale 25 Jun 2025
Value US$618,360.89 | Price 473.68 | Shares 60,746
Proposed sale 25 Jun 2025
Value US$585,597.35 | Price 167.80 | Shares 57,098
Proposed sale 24 Jun 2025
Value US$159,222.84 | Price 9.87 | Shares 16,132
Proposed sale 24 Jun 2025
Value US$1,292.97 | Price 9.87 | Shares 131
Buy 16 May 2025
Value US$44,400.00 | Price 7.40 | Shares 6,000
Proposed sale 6 May 2025
Value US$552.00 | Price 11.50 | Shares 48
Proposed sale 6 May 2025
Value US$67,654.50 | Price 11.50 | Shares 5,883
Buy 17 Jun 2024
Value US$1,549,943.70 | Price 1.67 | Shares 928,110
Proposed sale 14 Jun 2024
Value US$265,000.00 | Price 25.00 | Shares 10,600
Planned sale 14 Jun 2024
Value US$265,000.00 | Price 25.00 | Shares 10,600
Planned sale 14 Jun 2024
Value US$375,450.00 | Price 25.03 | Shares 15,000
Planned sale 13 Jun 2024
Value US$147,000.00 | Price 24.50 | Shares 6,000
Proposed sale 13 Jun 2024
Value US$147,000.00 | Price 24.50 | Shares 6,000
Proposed sale 17 May 2024
Value US$84,331.20 | Price 21.08 | Shares 4,000
Planned sale 17 May 2024
Value US$1,879.96 | Price 21.86 | Shares 86
Planned sale 17 May 2024
Value US$82,451.54 | Price 21.07 | Shares 3,914
Planned sale 16 May 2024
Value US$28,345.15 | Price 21.92 | Shares 1,293
Planned sale 16 May 2024
Value US$187,410.34 | Price 21.52 | Shares 8,707
Proposed sale 16 May 2024
Value US$215,755.00 | Price 21.58 | Shares 10,000
Planned sale 2 May 2024
Value US$41,630.72 | Price 21.02 | Shares 1,981
Planned sale 2 May 2024
Value US$41,630.72 | Price 21.02 | Shares 1,981
Proposed sale 2 May 2024
Value US$41,630.77 | Price 21.02 | Shares 1,981
Planned sale 1 May 2024
Value US$27,017.87 | Price 19.91 | Shares 1,357
Planned sale 1 May 2024
Value US$20,135.01 | Price 20.87 | Shares 965
Planned sale 1 May 2024
Value US$183,792.68 | Price 20.34 | Shares 9,035
Proposed sale 1 May 2024
Value US$230,944.87 | Price 20.34 | Shares 11,357
Planned sale 17 Apr 2024
Value US$7,254.91 | Price 23.33 | Shares 311
Planned sale 17 Apr 2024
Value US$82,266.91 | Price 22.30 | Shares 3,689
Planned sale 17 Apr 2024
Value US$1,629.96 | Price 23.97 | Shares 68
Planned sale 17 Apr 2024
Value US$7,831.43 | Price 23.17 | Shares 338
Planned sale 17 Apr 2024
Value US$143,865.45 | Price 22.32 | Shares 6,447
Proposed sale 17 Apr 2024
Value US$161,867.86 | Price 23.62 | Shares 6,853
Proposed sale 17 Apr 2024
Value US$89,521.60 | Price 22.38 | Shares 4,000
Planned sale 16 Apr 2024
Value US$137,409.89 | Price 24.94 | Shares 5,509
Planned sale 16 Apr 2024
Value US$109,560.64 | Price 24.40 | Shares 4,491
Proposed sale 16 Apr 2024
Value US$246,970.00 | Price 24.70 | Shares 10,000
Planned sale 10 Apr 2024
Value US$21,252.31 | Price 27.56 | Shares 771
Planned sale 10 Apr 2024
Value US$180,139.37 | Price 26.77 | Shares 6,729
Sale 9 Apr 2024
Value US$334,478.30 | Price 28.15 | Shares 11,882
Proposed sale 9 Apr 2024
Value US$314,635.36 | Price 26.48 | Shares 11,882
Planned sale 1 Apr 2024
Value US$31,950.00 | Price 31.95 | Shares 1,000
Planned sale 1 Apr 2024
Value US$88,446.00 | Price 31.02 | Shares 2,851
Planned sale 1 Apr 2024
Value US$49,237.89 | Price 29.90 | Shares 1,647
Planned sale 1 Apr 2024
Value US$130,399.08 | Price 28.96 | Shares 4,502
Planned sale 1 Apr 2024
Value US$45,118.50 | Price 30.00 | Shares 1,504
Planned sale 1 Apr 2024
Value US$109,578.75 | Price 28.87 | Shares 3,796
Planned sale 1 Apr 2024
Value US$106,316.54 | Price 31.97 | Shares 3,325
Planned sale 1 Apr 2024
Value US$390,207.60 | Price 31.23 | Shares 12,495
Proposed sale 1 Apr 2024
Value US$1,105,918.00 | Price 29.57 | Shares 37,400
Proposed sale 1 Apr 2024
Value US$300,033.00 | Price 30.00 | Shares 10,000
Proposed sale 1 Apr 2024
Value US$154,696.93 | Price 29.19 | Shares 5,300
Planned sale 28 Mar 2024
Value US$265,500.00 | Price 29.50 | Shares 9,000
Proposed sale 28 Mar 2024
Value US$265,500.00 | Price 29.50 | Shares 9,000
Planned sale 27 Mar 2024
Value US$309,518.83 | Price 27.97 | Shares 11,068
Planned sale 25 Mar 2024
Value US$96,119.34 | Price 28.01 | Shares 3,432
Planned sale 19 Mar 2024
Value US$73,123.83 | Price 26.46 | Shares 2,764
Planned sale 19 Mar 2024
Value US$65,119.15 | Price 25.68 | Shares 2,536
Proposed sale 19 Mar 2024
Value US$138,242.55 | Price 26.08 | Shares 5,300
Planned sale 18 Mar 2024
Value US$200,763.83 | Price 26.48 | Shares 7,581
Planned sale 18 Mar 2024
Value US$707,281.70 | Price 25.74 | Shares 27,476
Proposed sale 18 Mar 2024
Value US$1,506,147.00 | Price 26.70 | Shares 56,410
Planned sale 18 Mar 2024
Value US$16,184.55 | Price 26.40 | Shares 613
Planned sale 18 Mar 2024
Value US$164,872.10 | Price 25.81 | Shares 6,387
Proposed sale 18 Mar 2024
Value US$181,056.20 | Price 25.87 | Shares 7,000
Planned sale 13 Mar 2024
Value US$50,444.96 | Price 25.02 | Shares 2,016
Planned sale 12 Mar 2024
Value US$51,369.55 | Price 25.05 | Shares 2,051
Planned sale 11 Mar 2024
Value US$263.05 | Price 26.31 | Shares 10
Planned sale 11 Mar 2024
Value US$86,404.39 | Price 25.24 | Shares 3,423
Planned sale 8 Mar 2024
Value US$2,850.00 | Price 25.00 | Shares 114
Planned sale 7 Mar 2024
Value US$559,688.06 | Price 25.00 | Shares 22,386
Proposed sale 7 Mar 2024
Value US$716,100.00 | Price 23.87 | Shares 30,000
Planned sale 7 Mar 2024
Value US$219,887.50 | Price 24.50 | Shares 8,975
Proposed sale 7 Mar 2024
Value US$219,887.50 | Price 24.50 | Shares 8,975
Planned sale 23 Feb 2024
Value US$9,964.50 | Price 19.50 | Shares 511
Proposed sale 23 Feb 2024
Value US$9,964.50 | Price 19.50 | Shares 511
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

Shareholder

60,746
473.68
US$618,361
60,746 473.68 US$618,361
2025-06-25 2025-06-25 PrS Proposed sale

Shareholder

57,098
167.80
US$585,597
57,098 167.80 US$585,597
2025-06-24 2025-06-24 PrS Proposed sale

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

Shareholder

131
9.87
US$1,293
131 9.87 US$1,293
2025-05-19 2025-05-16 B Purchase

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

Shareholder

48
11.50
US$552
48 11.50 US$552
2025-05-06 2025-05-06 PrS Proposed sale

Shareholder

5,883
11.50
US$67,654
5,883 11.50 US$67,654
2024-06-20 2024-06-17 B Purchase 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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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 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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

Officer

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