JSPR

Jasper Therapeutics, Inc.

Insider trading activity for Jasper Therapeutics, Inc., straight from SEC Form 4 filings. Net figures below count open-market buys and sales only — grants, option exercises and tax withholding are excluded because they are compensation, not decisions to trade.

Past 3 months

net buying

Bought(0 · 0 insiders): $0
Sold(0 · 0 insiders): $0

Past 6 months

net buying

Bought(0 · 0 insiders): $0
Sold(0 · 0 insiders): $0

Past 12 months

net buying

Bought(0 · 0 insiders): $0
Sold(0 · 0 insiders): $0

Transaction history

The 31 most recent Form 4 transactions.

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Insider transactions, newest first: date, security, transaction type, size and a link to the filing each row came from.
Date	Insider	Role	Type	Shares	Price	Value	Δ Own	Filing
Jul 31	Wiggans Thomas G	Director	AGRANT◆	7,500	—	—	—	Open the original filing on SEC.gov
Jul 31	Lucas Svetlana	Director	AGRANT◆	7,500	—	—	—	Open the original filing on SEC.gov
Jul 31	Shizuru Judith Anne	Director	AGRANT◆	7,500	—	—	—	Open the original filing on SEC.gov
Jul 31	Emster Kurt von	Director	AGRANT◆	7,500	—	—	—	Open the original filing on SEC.gov
Jul 31	Crutcher Patrick J	Director	AGRANT◆	7,500	—	—	—	Open the original filing on SEC.gov
Jul 20	Crutcher Patrick J	Director	PDBUY◆	888	—	—	—	Open the original filing on SEC.gov
Jul 20	Ros Matthew E	Chief Operating Officer	PDBUY◆	881	—	—	—	Open the original filing on SEC.gov
Jul 16	Crutcher Patrick J	Director	AGRANT◆	15,000	—	—	—	Open the original filing on SEC.gov
Feb 6	Mahal Jeetinder Singh	CEO and President	AGRANT◆	500,000	—	—	—	Open the original filing on SEC.gov
Jan 2	Martell Ron	President, CEO and…	AGRANT◆	234,000	—	—	—	Open the original filing on SEC.gov
Jan 2	Mahal Jeetinder Singh	Chief Operating Officer	AGRANT◆	90,000	—	—	—	Open the original filing on SEC.gov
Jan 2	Cross Herb	Chief Financial Officer	AGRANT◆	90,000	—	—	—	Open the original filing on SEC.gov
Sep 22, 2025	Wiggans Thomas G	Director	PDBUY◆	41,000	—	—	—	Open the original filing on SEC.gov
Sep 22, 2025	Wiggans Thomas G	Director	PBUY	41,000	$2.43	$99.6K	—	Open the original filing on SEC.gov
Sep 22, 2025	Lucas Svetlana	Director	PDBUY◆	20,000	—	—	—	Open the original filing on SEC.gov
Sep 22, 2025	Lucas Svetlana	Director	PBUY	20,000	$2.43	$48.6K	—	Open the original filing on SEC.gov
Sep 22, 2025	Martell Ron	President and CEO	PDBUY◆	41,000	—	—	—	Open the original filing on SEC.gov
Sep 22, 2025	Martell Ron	President and CEO	PBUY	41,000	$2.43	$99.6K	+123.8%	Open the original filing on SEC.gov
Sep 22, 2025	Shizuru Judith Anne	Director	PDBUY◆	41,000	—	—	—	Open the original filing on SEC.gov
Sep 22, 2025	Shizuru Judith Anne	Director	PBUY	41,000	$2.43	$99.6K	+35.4%	Open the original filing on SEC.gov
Jul 3, 2025	Shizuru Judith Anne	Director	AGRANT◆	7,500	—	—	—	Open the original filing on SEC.gov
Jul 3, 2025	Nolet Chris	Director	AGRANT◆	7,500	—	—	—	Open the original filing on SEC.gov
Jul 3, 2025	Kapoor Vishal	Director	AGRANT◆	7,500	—	—	—	Open the original filing on SEC.gov
Jul 3, 2025	Wiggans Thomas G	Director	AGRANT◆	7,500	—	—	—	Open the original filing on SEC.gov
Jul 3, 2025	Lucas Svetlana	Director	AGRANT◆	7,500	—	—	—	Open the original filing on SEC.gov
Jul 3, 2025	Emster Kurt von	Director	AGRANT◆	7,500	—	—	—	Open the original filing on SEC.gov
Jul 3, 2025	Brun Scott C.	Director	AGRANT◆	7,500	—	—	—	Open the original filing on SEC.gov
Jun 4, 2025	Martell Ron	President and CEO	AGRANT◆	234,000	—	—	—	Open the original filing on SEC.gov
Jun 4, 2025	Mahal Jeetinder Singh	Chief Operating Officer	AGRANT◆	90,000	—	—	—	Open the original filing on SEC.gov
Jun 4, 2025	Tucker Edwin Jonathan	Chief Medical Officer	AGRANT◆	90,000	—	—	—	Open the original filing on SEC.gov
Jun 4, 2025	Cross Herb	Chief Financial Officer	AGRANT◆	90,000	—	—	—	Open the original filing on SEC.gov

AGRANT◆—

Wiggans Thomas G · DirectorJul 31

7,500 sh

AGRANT◆—

Lucas Svetlana · DirectorJul 31

7,500 sh

AGRANT◆—

Shizuru Judith Anne · DirectorJul 31

7,500 sh

AGRANT◆—

Emster Kurt von · DirectorJul 31

7,500 sh

AGRANT◆—

Crutcher Patrick J · DirectorJul 31

7,500 sh

PDBUY◆—

Crutcher Patrick J · DirectorJul 20

888 sh

PDBUY◆—

Ros Matthew E · Chief Operating…Jul 20

881 sh

AGRANT◆—

Crutcher Patrick J · DirectorJul 16

15,000 sh

AGRANT◆—

Mahal Jeetinder Singh · CEO and PresidentFeb 6

500,000 sh

AGRANT◆—

Martell Ron · President, CEO…Jan 2

234,000 sh

AGRANT◆—

Mahal Jeetinder Singh · Chief Operating…Jan 2

90,000 sh

AGRANT◆—

Cross Herb · Chief Financial…Jan 2

90,000 sh

PDBUY◆—

Wiggans Thomas G · DirectorSep 22, 2025

41,000 sh

PBUY$99.6K

Wiggans Thomas G · DirectorSep 22, 2025

41,000 sh @ $2.43

PDBUY◆—

Lucas Svetlana · DirectorSep 22, 2025

20,000 sh

PBUY$48.6K

Lucas Svetlana · DirectorSep 22, 2025

20,000 sh @ $2.43

PDBUY◆—

Martell Ron · President and CEOSep 22, 2025

41,000 sh

PBUY$99.6K

Martell Ron · President and CEOSep 22, 2025

41,000 sh @ $2.43 · +123.8% own

PDBUY◆—

Shizuru Judith Anne · DirectorSep 22, 2025

41,000 sh

PBUY$99.6K

Shizuru Judith Anne · DirectorSep 22, 2025

41,000 sh @ $2.43 · +35.4% own

AGRANT◆—

Shizuru Judith Anne · DirectorJul 3, 2025

7,500 sh

AGRANT◆—

Nolet Chris · DirectorJul 3, 2025

7,500 sh

AGRANT◆—

Kapoor Vishal · DirectorJul 3, 2025

7,500 sh

AGRANT◆—

Wiggans Thomas G · DirectorJul 3, 2025

7,500 sh

AGRANT◆—

Lucas Svetlana · DirectorJul 3, 2025

7,500 sh

AGRANT◆—

Emster Kurt von · DirectorJul 3, 2025

7,500 sh

AGRANT◆—

Brun Scott C. · DirectorJul 3, 2025

7,500 sh

AGRANT◆—

Martell Ron · President and CEOJun 4, 2025

234,000 sh

AGRANT◆—

Mahal Jeetinder Singh · Chief Operating…Jun 4, 2025

90,000 sh

AGRANT◆—

Tucker Edwin Jonathan · Chief Medical…Jun 4, 2025

90,000 sh

AGRANT◆—

Cross Herb · Chief Financial…Jun 4, 2025

90,000 sh

Filing record

How quickly insiders here report their trades. Section 16 allows two business days from the transaction.

All 19 filings we hold were filed within the two-business-day deadline.

Counted in business days from the transaction date, or the deemed execution date where the filing reports one, excluding weekends and federal holidays. How this is measured · All late filings

Insiders at this company

Everyone who has filed a Form 4 for this issuer.

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