Northpond Capital GP, LLC - Oct 7, 2021 Form 3 Insider Report for IsoPlexis Corp (ISO)

Role: 10%+ Owner
Signature: Northpond Capital GP, LLC, By: /s/ Patrick Smerkers, Senior Vice President, Finance and Operations
Stock symbol: ISO
Transactions as of: Oct 7, 2021
Transactions value $: $0
Form type: 3
Date filed: 10/7/2021, 06:05 PM
Next filing: Oct 14, 2021

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Underlying Class	Amount	Exercise Price	Ownership	Footnotes
holding	ISO	Series C Redeemable Convertible Preferred Stock							Oct 7, 2021	Common Stock	2.3M		See footnote	F1, F2
holding	ISO	Series C-2 Redeemable Convertible Preferred Stock							Oct 7, 2021	Common Stock	2.47M		See footnote	F1, F2
holding	ISO	Series D Redeemable Convertible Preferred Stock							Oct 7, 2021	Common Stock	1.53M		See footnote	F1, F2
holding	ISO	Series D Redeemable Convertible Preferred Stock							Oct 7, 2021	Common Stock	1.04M		See footnote	F1, F3

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

Explanation of Responses:

Id	Content
F1	Each share of the Series C Redeemable Convertible Preferred Stock, Series C-2 Redeemable Convertible Preferred Stock and Series D Redeemable Convertible Preferred Stock is convertible at any time, at the Reporting Persons' election, on a one-for-8 basis, and will convert automatically upon the Issuer's consummation of an initial public offering. The number of shares held is shown on an as-converted to common stock basis. The preferred stock has no expiration date.
F2	The securities are held directly by Northpond Ventures, LP ("Northpond"). Northpond Ventures GP, LLC ("Northpond GP") is the general partner of Northpond. Michael P. Rubin ("Rubin") is the managing member of Northpond GP.
F3	The securities are held directly by Northpond Capital, LP ("Northpond Capital"). Northpond Capital GP, LLC ("Northpond Capital GP") is the general partner of Northpond Capital. Rubin is the managing member of Northpond Capital GP.