United States Biotechnology & Medical Research

Jasper Therapeutics, Inc. (JSPR)

Ticker: JSPR 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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Top insiders
Trades
Abbreviations B: Buy, S: Sell, PP: Planned purchase, PlS: Planned sale, PrS: Proposed sale, O: Option / Other
2.7
WIGGANS THOMAS G Non-Executive Director
Transaction date
Purchase
Price
56.10
Quantity 22,358 -27.3%
Value US$659,059
0.8
MARTELL RON President and CEO Executive Director
Transaction date
Purchase
Price
430.37
Quantity 9,383 +48.3%
Value US$4,775,099
2.1
Lucas Svetlana Non-Executive Director
Transaction date
Purchase
Price
439.75
Quantity 17,430 +1.1%
Value US$1,576,955
0.8
Shizuru Judith Anne Non-Executive Director
Transaction date
Purchase
Price
2.43
Quantity 41,000 +35.4%
Value US$99,630
Jeetinder Singh Mahal Executive Officer Officer
Transaction date
Proposed sale
Price
22.47
Quantity 900
Value US$20,223
Mahal Jeetinder Singh Chief Operating Officer Officer
Transaction date
Planned sale
Price
22.11
Quantity 900 -3.5%
Value US$19,899
Jeetinder Singh Mahal Executive Officer Officer
Transaction date
Proposed sale
Price
20.66
Quantity 900
Value US$18,590
Mahal Jeetinder Singh Chief Operating Officer Officer
Transaction date
Planned sale
Price
21.23
Quantity 900 -3.5%
Value US$19,104
Jeetinder Singh Mahal Executive Officer Officer
Transaction date
Proposed sale
Price
23.99
Quantity 900
Value US$21,591
Mahal Jeetinder Singh Chief Operating Officer Officer
Transaction date
Planned sale
Price
24.16
Quantity 900 -3.5%
Value US$21,740
Jeetinder Singh Mahal Executive Officer Officer
Transaction date
Proposed sale
Price
26.52
Quantity 900
Value US$23,868
Mahal Jeetinder Singh Chief Operating Officer Officer
Transaction date
Planned sale
Price
26.44
Quantity 900 -3.5%
Value US$23,792
1.5
Lis William Director Non-Executive Director
Transaction date
Proposed sale
Price
21.03
Quantity 16,000
Value US$336,480
3.3
Carlyle Group Inc. Former 10% Owner
Transaction date
Purchase
Price
12.95
Quantity 190,000 +21.7%
Value US$2,460,500
2.7
WIGGANS THOMAS G Non-Executive Director
Transaction date
Purchase
Price
0.65
Quantity 10,000 +25.0%
Value US$6,486
2.7
WIGGANS THOMAS G Non-Executive Director
Transaction date
Purchase
Price
0.64
Quantity 10,000 +33.3%
Value US$6,383
2.7
WIGGANS THOMAS G Non-Executive Director
Transaction date
Purchase
Price
0.63
Quantity 10,000 +50.0%
Value US$6,309
2.7
WIGGANS THOMAS G Non-Executive Director
Transaction date
Purchase
Price
0.60
Quantity 10,000 +100.0%
Value US$5,966
2.7
WIGGANS THOMAS G Non-Executive Director
Transaction date
Purchase
Price
0.60
Quantity 10,000 New position
Value US$5,965
1.5
William Lis Director Non-Executive Director
Transaction date
Proposed sale
Price
0.85
Quantity 7,965
Value US$6,770
1.5
Lis William Non-Executive Director
Transaction date
Planned sale
Price
0.85
Quantity 7,965 -13.0%
Value US$6,777
Jeetinder Singh Mahal Executive Officer Officer
Transaction date
Proposed sale
Price
22.68
Quantity 9,000
Value US$204,120
Mahal Jeetinder Singh See Remarks Officer
Transaction date
Planned sale
Price
1.66
Quantity 9,000 -3.0%
Value US$14,915
2.1
French Anna Louise Director Non-Executive Director
Transaction date
Proposed sale
Price
1.48
Quantity 7,000
Value US$10,360
2.1
French Anna Louise Non-Executive Director
Transaction date
Sale
Price
1.48
Quantity 7,000 -22.8%
Value US$10,360
2.1
EMSTER KURT VON Non-Executive Director
Transaction date
Sale
Price
1.49
Quantity 9,075 -30.0%
Value US$13,524
1.5
Lis William Non-Executive Director
Transaction date
Sale
Price
1.44
Quantity 8,500 -12.1%
Value US$12,240
1.5
Lis William Director Non-Executive Director
Transaction date
Proposed sale
Price
1.44
Quantity 8,500
Value US$12,240
2.1
EMSTER KURT VON Officer Officer
Transaction date
Proposed sale
Price
1.49
Quantity 9,075
Value US$13,524
3.3
Carlyle Group Inc. Large shareholder
Transaction date
Purchase
Price
1.50
Quantity 3,133,333 +55.7%
Value US$4,700,000
3.1
ROCHE HOLDING LTD Large shareholder
Transaction date
Sale
Price
1.89
Quantity 75,000 -1.6%
Value US$141,750
1.5
Lis William Non-Executive Director
Transaction date
Planned sale
Price
2.08
Quantity 24,743 -37.9%
Value US$51,404
1.5
Lis William Non-Executive Director
Transaction date
Planned sale
Price
2.02
Quantity 24,743 -27.5%
Value US$50,030
2.9
GLAZER CAPITAL, LLC Large shareholder
Transaction date
Sale
Price
9.92
Quantity 151,719 -14.5%
Value US$1,505,052
2.9
GLAZER CAPITAL, LLC Large shareholder
Transaction date
Sale
Price
9.92
Quantity 1,164 -0.1%
Value US$11,547
2.9
GLAZER CAPITAL, LLC Large shareholder
Transaction date
Sale
Price
9.97
Quantity 2,060 -0.2%
Value US$20,538
2.9
GLAZER CAPITAL, LLC Large shareholder
Transaction date
Sale
Price
10.50
Quantity 698 -0.1%
Value US$7,329
2.9
GLAZER CAPITAL, LLC Large shareholder
Transaction date
Sale
Price
10.50
Quantity 2,112 -0.2%
Value US$22,176
2.9
GLAZER CAPITAL, LLC Large shareholder
Transaction date
Sale
Price
10.45
Quantity 10,000 -0.9%
Value US$104,500
2.9
GLAZER CAPITAL, LLC Large shareholder
Transaction date
Sale
Price
10.40
Quantity 212 -0.0%
Value US$2,205
2.9
GLAZER CAPITAL, LLC Large shareholder
Transaction date
Sale
Price
10.40
Quantity 101 -0.0%
Value US$1,050
2.9
GLAZER CAPITAL, LLC Large shareholder
Transaction date
Sale
Price
10.25
Quantity 10,000 -0.9%
Value US$102,500
2.9
GLAZER CAPITAL, LLC Large shareholder
Transaction date
Sale
Price
10.20
Quantity 10,000 -0.9%
Value US$102,000
2.9
GLAZER CAPITAL, LLC Large shareholder
Transaction date
Sale
Price
10.15
Quantity 10,000 -0.9%
Value US$101,500
2.9
GLAZER CAPITAL, LLC Large shareholder
Transaction date
Sale
Price
10.15
Quantity 10,000 -0.9%
Value US$101,500
2.9
GLAZER CAPITAL, LLC Large shareholder
Transaction date
Sale
Price
10.05
Quantity 5,000 -0.5%
Value US$50,250
2.9
GLAZER CAPITAL, LLC Large shareholder
Transaction date
Sale
Price
10.05
Quantity 5,000 -0.4%
Value US$50,250
2.9
GLAZER CAPITAL, LLC Large shareholder
Transaction date
Sale
Price
10.05
Quantity 1 -0.0%
Value US$10
2.9
GLAZER CAPITAL, LLC Large shareholder
Transaction date
Sale
Price
10.00
Quantity 1,000 -0.1%
Value US$10,000
2.9
GLAZER CAPITAL, LLC Large shareholder
Transaction date
Sale
Price
10.00
Quantity 1,000 -0.1%
Value US$10,000
2.9
GLAZER CAPITAL, LLC Large shareholder
Transaction date
Sale
Price
9.99
Quantity 20 -0.0%
Value US$200
2.9
GLAZER CAPITAL, LLC Large shareholder
Transaction date
Sale
Price
9.99
Quantity 800 -0.1%
Value US$7,992
2.9
GLAZER CAPITAL, LLC Large shareholder
Transaction date
Sale
Price
9.99
Quantity 682 -0.1%
Value US$6,813
2.9
GLAZER CAPITAL, LLC Large shareholder
Transaction date
Sale
Price
9.99
Quantity 1 -0.0%
Value US$10
2.9
GLAZER CAPITAL, LLC Large shareholder
Transaction date
Sale
Price
10.73
Quantity 11 -0.0%
Value US$118
2.9
GLAZER CAPITAL, LLC Large shareholder
Transaction date
Sale
Price
9.99
Quantity 1,699 -0.2%
Value US$16,973
2.9
GLAZER CAPITAL, LLC Large shareholder
Transaction date
Sale
Price
9.99
Quantity 1,699 -0.2%
Value US$16,973
Notification date Transaction date B/S Transaction type Insider and/or position Nb. shares
Price
Value 		Number of shares Price Value Details
2025-09-24 2025-09-22 B Purchase
2.7
WIGGANS THOMAS G
Non-Executive Director
22,358 -27.3%
56.10
US$659,059 		22,358 -27.3% 56.10 US$659,059
2025-09-24 2025-09-22 B Purchase
0.8
MARTELL RON

President and CEO

Executive Director
9,383 +48.3%
430.37
US$4,775,099 		9,383 +48.3% 430.37 US$4,775,099
2025-09-24 2025-09-22 B Purchase
2.1
Lucas Svetlana
Non-Executive Director
17,430 +1.1%
439.75
US$1,576,955 		17,430 +1.1% 439.75 US$1,576,955
2025-09-24 2025-09-22 B Purchase
0.8
Shizuru Judith Anne
Non-Executive Director
41,000 +35.4%
2.43
US$99,630 		41,000 +35.4% 2.43 US$99,630
2024-12-12 2024-12-12 PrS Proposed sale
Jeetinder Singh Mahal

Executive Officer

Officer
900
22.47
US$20,223 		900 22.47 US$20,223
2024-12-12 2024-12-12 PlS Planned sale
Mahal Jeetinder Singh

Chief Operating Officer

Officer
900 -3.5%
22.11
US$19,899 		900 -3.5% 22.11 US$19,899
2024-09-12 2024-09-12 PrS Proposed sale
Jeetinder Singh Mahal

Executive Officer

Officer
900
20.66
US$18,590 		900 20.66 US$18,590
2024-09-12 2024-09-12 PlS Planned sale
Mahal Jeetinder Singh

Chief Operating Officer

Officer
900 -3.5%
21.23
US$19,104 		900 -3.5% 21.23 US$19,104
2024-06-12 2024-06-12 PrS Proposed sale
Jeetinder Singh Mahal

Executive Officer

Officer
900
23.99
US$21,591 		900 23.99 US$21,591
2024-06-12 2024-06-12 PlS Planned sale
Mahal Jeetinder Singh

Chief Operating Officer

Officer
900 -3.5%
24.16
US$21,740 		900 -3.5% 24.16 US$21,740
2024-03-12 2024-03-12 PrS Proposed sale
Jeetinder Singh Mahal

Executive Officer

Officer
900
26.52
US$23,868 		900 26.52 US$23,868
2024-03-12 2024-03-12 PlS Planned sale
Mahal Jeetinder Singh

Chief Operating Officer

Officer
900 -3.5%
26.44
US$23,792 		900 -3.5% 26.44 US$23,792
2024-03-06 2024-03-06 PrS Proposed sale
1.5
Lis William

Director

Non-Executive Director
16,000
21.03
US$336,480 		16,000 21.03 US$336,480
2024-02-12 2024-02-08 B Purchase
3.3
Carlyle Group Inc.

Former 10% Owner
190,000 +21.7%
12.95
US$2,460,500 		190,000 +21.7% 12.95 US$2,460,500
2024-02-09 2024-02-08 B Purchase
Velan Capital Investment Management LP
Large shareholder
350,000 +41.7%
12.95
US$4,532,500 		350,000 +41.7% 12.95 US$4,532,500
2023-11-30 2023-11-28 B Purchase
2.7
WIGGANS THOMAS G
Non-Executive Director
10,000 +25.0%
0.65
US$6,486 		10,000 +25.0% 0.65 US$6,486
2023-11-22 2023-11-21 B Purchase
2.7
WIGGANS THOMAS G
Non-Executive Director
10,000 +33.3%
0.64
US$6,383 		10,000 +33.3% 0.64 US$6,383
2023-11-20 2023-11-20 B Purchase
2.7
WIGGANS THOMAS G
Non-Executive Director
10,000 +50.0%
0.63
US$6,309 		10,000 +50.0% 0.63 US$6,309
2023-11-20 2023-11-17 B Purchase
2.7
WIGGANS THOMAS G
Non-Executive Director
10,000 +100.0%
0.60
US$5,966 		10,000 +100.0% 0.60 US$5,966
2023-11-20 2023-11-16 B Purchase
2.7
WIGGANS THOMAS G
Non-Executive Director
10,000 New position
0.60
US$5,965 		10,000 New position 0.60 US$5,965
2023-10-13 2023-10-13 PrS Proposed sale
1.5
William Lis

Director

Non-Executive Director
7,965
0.85
US$6,770 		7,965 0.85 US$6,770
2023-10-13 2023-10-13 PlS Planned sale
1.5
Lis William
Non-Executive Director
7,965 -13.0%
0.85
US$6,777 		7,965 -13.0% 0.85 US$6,777
2023-06-13 2023-06-13 PrS Proposed sale
Jeetinder Singh Mahal

Executive Officer

Officer
9,000
22.68
US$204,120 		9,000 22.68 US$204,120
2023-06-13 2023-06-13 PlS Planned sale
Mahal Jeetinder Singh

See Remarks

Officer
9,000 -3.0%
1.66
US$14,915 		9,000 -3.0% 1.66 US$14,915
2023-04-14 2023-04-14 PrS Proposed sale
2.1
French Anna Louise

Director

Non-Executive Director
7,000
1.48
US$10,360 		7,000 1.48 US$10,360
2023-04-14 2023-04-14 S Sale
2.1
French Anna Louise
Non-Executive Director
7,000 -22.8%
1.48
US$10,360 		7,000 -22.8% 1.48 US$10,360
2023-04-14 2023-04-13 S Sale
2.1
EMSTER KURT VON
Non-Executive Director
9,075 -30.0%
1.49
US$13,524 		9,075 -30.0% 1.49 US$13,524
2023-04-14 2023-04-13 S Sale
1.5
Lis William
Non-Executive Director
8,500 -12.1%
1.44
US$12,240 		8,500 -12.1% 1.44 US$12,240
2023-04-13 2023-04-13 PrS Proposed sale
1.5
Lis William

Director

Non-Executive Director
8,500
1.44
US$12,240 		8,500 1.44 US$12,240
2023-04-13 2023-04-13 PrS Proposed sale
2.1
EMSTER KURT VON

Officer

Officer
9,075
1.49
US$13,524 		9,075 1.49 US$13,524
2023-04-11 2023-01-27 B Purchase
Qiming U.S. Healthcare Fund II, L.P.
Large shareholder
2,666,666 +45.6%
1.50
US$3,999,999 		2,666,666 +45.6% 1.50 US$3,999,999
2023-01-31 2023-01-27 B Purchase
3.3
Carlyle Group Inc.
Large shareholder
3,133,333 +55.7%
1.50
US$4,700,000 		3,133,333 +55.7% 1.50 US$4,700,000
2023-01-26 2023-01-25 S Sale
3.1
ROCHE HOLDING LTD
Large shareholder
75,000 -1.6%
1.89
US$141,750 		75,000 -1.6% 1.89 US$141,750
2022-06-28 2022-06-27 PlS Planned sale
1.5
Lis William
Non-Executive Director
24,743 -37.9%
2.08
US$51,404 		24,743 -37.9% 2.08 US$51,404
2022-06-28 2022-06-24 PlS Planned sale
1.5
Lis William
Non-Executive Director
24,743 -27.5%
2.02
US$50,030 		24,743 -27.5% 2.02 US$50,030
2021-04-23 2021-04-23 S Sale
2.9
GLAZER CAPITAL, LLC
Large shareholder
151,719 -14.5%
9.92
US$1,505,052 		151,719 -14.5% 9.92 US$1,505,052
2021-04-23 2021-04-21 S Sale
2.9
GLAZER CAPITAL, LLC
Large shareholder
1,164 -0.1%
9.92
US$11,547 		1,164 -0.1% 9.92 US$11,547
2021-04-21 2021-04-19 S Sale
2.9
GLAZER CAPITAL, LLC
Large shareholder
2,060 -0.2%
9.97
US$20,538 		2,060 -0.2% 9.97 US$20,538
2021-02-22 2021-02-22 S Sale
2.9
GLAZER CAPITAL, LLC
Large shareholder
698 -0.1%
10.50
US$7,329 		698 -0.1% 10.50 US$7,329
2021-02-22 2021-02-19 S Sale
2.9
GLAZER CAPITAL, LLC
Large shareholder
2,112 -0.2%
10.50
US$22,176 		2,112 -0.2% 10.50 US$22,176
2021-02-22 2021-02-18 S Sale
2.9
GLAZER CAPITAL, LLC
Large shareholder
10,000 -0.9%
10.45
US$104,500 		10,000 -0.9% 10.45 US$104,500
2021-02-09 2021-02-05 S Sale
2.9
GLAZER CAPITAL, LLC
Large shareholder
212 -0.0%
10.40
US$2,205 		212 -0.0% 10.40 US$2,205
2021-01-19 2021-01-14 S Sale
2.9
GLAZER CAPITAL, LLC
Large shareholder
101 -0.0%
10.40
US$1,050 		101 -0.0% 10.40 US$1,050
2021-01-12 2021-01-08 S Sale
2.9
GLAZER CAPITAL, LLC
Large shareholder
10,000 -0.9%
10.25
US$102,500 		10,000 -0.9% 10.25 US$102,500
2020-12-28 2020-12-28 S Sale
2.9
GLAZER CAPITAL, LLC
Large shareholder
10,000 -0.9%
10.20
US$102,000 		10,000 -0.9% 10.20 US$102,000
2020-12-28 2020-12-22 S Sale
2.9
GLAZER CAPITAL, LLC
Large shareholder
10,000 -0.9%
10.15
US$101,500 		10,000 -0.9% 10.15 US$101,500
2020-12-15 2020-12-15 S Sale
2.9
GLAZER CAPITAL, LLC
Large shareholder
10,000 -0.9%
10.15
US$101,500 		10,000 -0.9% 10.15 US$101,500
2020-12-15 2020-12-14 S Sale
2.9
GLAZER CAPITAL, LLC
Large shareholder
5,000 -0.5%
10.05
US$50,250 		5,000 -0.5% 10.05 US$50,250
2020-12-15 2020-12-11 S Sale
2.9
GLAZER CAPITAL, LLC
Large shareholder
5,000 -0.4%
10.05
US$50,250 		5,000 -0.4% 10.05 US$50,250
2020-12-09 2020-12-07 S Sale
2.9
GLAZER CAPITAL, LLC
Large shareholder
1 -0.0%
10.05
US$10 		1 -0.0% 10.05 US$10
2020-09-23 2020-09-21 S Sale
2.9
GLAZER CAPITAL, LLC
Large shareholder
1,000 -0.1%
10.00
US$10,000 		1,000 -0.1% 10.00 US$10,000
2020-09-18 2020-09-18 S Sale
2.9
GLAZER CAPITAL, LLC
Large shareholder
1,000 -0.1%
10.00
US$10,000 		1,000 -0.1% 10.00 US$10,000
2020-09-18 2020-09-16 S Sale
2.9
GLAZER CAPITAL, LLC
Large shareholder
20 -0.0%
9.99
US$200 		20 -0.0% 9.99 US$200
2020-09-15 2020-09-15 S Sale
2.9
GLAZER CAPITAL, LLC
Large shareholder
800 -0.1%
9.99
US$7,992 		800 -0.1% 9.99 US$7,992
2020-09-15 2020-09-11 S Sale
2.9
GLAZER CAPITAL, LLC
Large shareholder
682 -0.1%
9.99
US$6,813 		682 -0.1% 9.99 US$6,813
2020-09-10 2020-09-08 S Sale
2.9
GLAZER CAPITAL, LLC
Large shareholder
1 -0.0%
9.99
US$10 		1 -0.0% 9.99 US$10
2020-12-09 2020-09-04 S Sale
2.9
GLAZER CAPITAL, LLC
Large shareholder
11 -0.0%
10.73
US$118 		11 -0.0% 10.73 US$118
2020-08-17 2020-08-17 S Sale
2.9
GLAZER CAPITAL, LLC
Large shareholder
1,699 -0.2%
9.99
US$16,973 		1,699 -0.2% 9.99 US$16,973
2020-08-17 2020-08-13 S Sale
2.9
GLAZER CAPITAL, LLC
Large shareholder
1,699 -0.2%
9.99
US$16,973 		1,699 -0.2% 9.99 US$16,973
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