Insider Transactions Reported by 18 Insiders of IsoPlexis Corp

Location: Branford, CT

Key facts

IsoPlexis Corp has 18 insiders with reported activity on this page.
No net insider buy/sell flow is currently reported for the last year.
Recent transaction rows are not currently available.

Change

No meaningful buy/sell imbalance is currently visible in the one-year window.
Activity will update as new Forms 3/4/5 are filed.

Research use

This page gives a plain-language issuer insider context before you inspect transaction-level evidence.
Use the filing links below to verify timestamps, codes, and ownership impacts directly from SEC forms.

Evidence

Filed on Form 4

Issuer insider activity is sourced from SEC Forms 3, 4, and 5.

See Original Filing

Insider trading overview

Last 12 months

Insider buy and sell flow is broadly balanced over the last 12 months. No Buy or Sell transactions have been reported since 21 May 2025.

Buys

Shares: 0

Insiders: 0

Sells

Shares: 0

Insiders: 0

Net

Shares: 0

Insiders: 0

Window (months)	Buy $	Sell $	Net $
0-3	$0	$0	$0
3-6	$0	$0	$0
6-9	$0	$0	$0
9-12	$0	$0	$0

IsoPlexis Corp executives and other stock owners filed with the SEC include:

Name	Relationship	Holdings Value	Valuation	Report Date
Spring Mountain Capital G.P., LLC	10%+ Owner	$4,404,762	Mixed	12 Oct 2021
PERCEPTIVE ADVISORS LLC	10%+ Owner	$2,974,560	Mixed	12 Oct 2021
Northpond Capital GP, LLC	10%+ Owner	$1,511,402	Mixed	12 Oct 2021
Peter Siesel	Chief Commercial Officer	$101,682	Mixed	06 Apr 2022
Michael Egholm	Director		Mixed	16 Jun 2022
John G. Conley	Director		Mixed	21 Mar 2023
Rajesh T. Khakhar	VP Finance		Mixed	21 Mar 2023
Sean Mackay	Chief Executive Officer, Director		Mixed	21 Mar 2023
Jason W. Myers	Director		Mixed	21 Mar 2023
John Strahley	Chief Financial Officer		Mixed	21 Mar 2023
Jing Zhou	Chief Scientific Officer		Mixed	21 Mar 2023
Richard W. Rew II	SVP, GC and Secretary		Mixed	21 Mar 2023
Daniel W. Wagner	Director		Mixed	07 Oct 2021
James R. Heath	Director		Mixed	21 Mar 2023
Adam Wieschhaus	Director		Mixed	07 Oct 2021
Gregory P. Ho	Director		Mixed	21 Mar 2023
Siddhartha Kadia	Director		Mixed	16 Jun 2022
Nachum Shamir	Director		Mixed	21 Mar 2023

Top shareholders of IsoPlexis Corp (13F + 13D/G + 3/4/5)

Grouped by holder across the latest SEC ownership disclosures. Ownership % is shown only when it is directly reported or safely comparable across share classes.

Methodology: rows are grouped by holder and ranked by the holder's primary source value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.

Holder	Source	Role / Reporting	Ownership %	Shares	Holdings Value	12M Net Δ	As of	Details
Spring Mountain Capital G.P., LLC	3/4/5	10%+ Owner	— class O/S missing	6,064,661	$4,404,762	—	12 Oct 2021	3/4/5
PERCEPTIVE ADVISORS LLC	3/4/5	10%+ Owner	— class O/S missing	4,095,498	$2,974,560	—	12 Oct 2021	3/4/5
Northpond Capital GP, LLC	3/4/5	10%+ Owner	— class O/S missing	2,080,961	$1,511,402	—	12 Oct 2021	3/4/5
Peter Siesel	3/4/5	Chief Commercial Officer	— mixed-class rows	223,300 mixed-class rows	$101,682	—	06 Apr 2022	3/4/5
Michael Egholm	3/4/5	Director	— class O/S missing	89,047	—	—	16 Jun 2022	3/4/5
Siddhartha Kadia	3/4/5	Director	— class O/S missing	89,047	—	—	16 Jun 2022	3/4/5

Recent Insider Transactions by Companies or Individuals for IsoPlexis Corp

Showing up to 300 most recent insider transactions from the last 12 months.

Insider	Symbol	Class	Transaction	%	Value $	* Price $	Shares	Shares Owned	Date	Ownership
No insider transactions were found in the last 12 months for this issuer.

* An asterisk sign (*) next to the price indicates that the price is likely invalid.