# EDGAR Filing Document

**Accession Number:** 0001615055
**File Stem:** 0001062993-23-007407
**Filing Date:** 2023-3
**Character Count:** 8772
**Document Hash:** b007c48f18042bcc6e99353085faa6a8
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001062993-23-007407.hdr.sgml**: 20230321

**ACCESSION NUMBER**: 0001062993-23-007407

**CONFORMED SUBMISSION TYPE**: 4

**PUBLIC DOCUMENT COUNT**: 1

**CONFORMED PERIOD OF REPORT**: 20230321

**FILED AS OF DATE**: 20230321

**DATE AS OF CHANGE**: 20230321

**REPORTING-OWNER**: 

**OWNER DATA:**
- **COMPANY CONFORMED NAME:** Ho Gregory P.
- **CENTRAL INDEX KEY:** 0001549584

**FILING VALUES:**
- **FORM TYPE:** 4
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 001-40894
- **FILM NUMBER:** 23750258

**MAIL ADDRESS:**
- **STREET 1:** C/O SPRING MOUNTAIN CAPITAL, LP
- **STREET 2:** 650 MADISON AVENUE, 20TH FLOOR
- **CITY:** NEW YORK
- **STATE:** NY
- **ZIP:** 10022
**ISSUER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** IsoPlexis Corp
- **CENTRAL INDEX KEY:** 0001615055
- **STANDARD INDUSTRIAL CLASSIFICATION:** LABORATORY ANALYTICAL INSTRUMENTS [3826]
- **IRS NUMBER:** 462179799
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 1231

**BUSINESS ADDRESS:**
- **STREET 1:** 35 NE INDUSTRIAL ROAD
- **CITY:** BRANFORD
- **STATE:** CT
- **ZIP:** 06405
- **BUSINESS PHONE:** 203-208-4111

**MAIL ADDRESS:**
- **STREET 1:** 35 NE INDUSTRIAL ROAD
- **CITY:** BRANFORD
- **STATE:** CT
- **ZIP:** 06405

### UNITED STATES SECURITIES AND EXCHANGE COMMISSION
**Washington, D.C. 20549**

## FORM 4

### STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

[x] Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

[ ] Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

---

| | | |
|:---|:---|:---|
| **1. Name and Address of Reporting Person**<sup>*</sup><br>Ho Gregory P.<br><sub>(Last) (First) (Middle)</sub><br>C/O ISOPLEXIS CORPORATION<br>35 NE INDUSTRIAL ROAD<br><sub>(Street)</sub><br>BRANFORD, CT 06405<br><sub>(City) (State) (Zip)</sub> | **3. Date of Earliest Transaction (Month/Day/Year)**<br>2023-03-21 | **5. Relationship of Reporting Person(s) to Issuer**<br>(Check all applicable)<br>[X] Director [ ] 10% Owner<br>[ ] Officer (give title below) [ ] Other (specify below)<br>_ _ |
| **2. Issuer Name and Ticker or Trading Symbol**<br>IsoPlexis Corp [ ISO ] | **4. If Amendment, Date of Original Filed (Month/Day/Year)**<br>  | **6. Individual or Joint/Group Filing (Check Applicable Line)**<br>[X] Form filed by One Reporting Person<br>[ ] Form filed by More than One Reporting Person |

---

## Table I - Non-Derivative Securities

---

|  |  |  |  |  |  |  |  |  |  |  |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1. Title of Security | 2. Transaction Date | 2A. Deemed Execution Date | 3. Transaction Code (V) | 3. Transaction Code (V) | 4. Securities Acquired (A) or Disposed of (D) | 4. Securities Acquired (A) or Disposed of (D) | 4. Securities Acquired (A) or Disposed of (D) | 5. Amount of Securities Beneficially Owned | 6. Ownership Form | 7. Nature of Indirect Beneficial Ownership |
| 1. Title of Security | 2. Transaction Date | 2A. Deemed Execution Date | Code | V | Amount | (A) or (D) | Price | 5. Amount of Securities Beneficially Owned | 6. Ownership Form | 7. Nature of Indirect Beneficial Ownership |
| Common Stock | 2023-03-21 |  | D |  | 3726732 | D | <sup>(1)</sup> | 0 | I | See Footnote 4<sup>(4)</sup> |
| Common Stock | 2023-03-21 |  | D |  | 2270287 | D | <sup>(1)</sup> | 0 | I | See Footnote 5<sup>(5)</sup> |
| Common Stock | 2023-03-21 |  | D |  | 67642 | D | <sup>(1)</sup> | 0 | I | See Footnote 6<sup>(6)</sup> |

---

## Table II - Derivative Securities

---

|  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1. Title of Derivative Security | 2. Conversion or Exercise Price | 3. Transaction Date | 3A. Deemed Execution Date | 4. Transaction Code (V) | 4. Transaction Code (V) | 5. Number of Derivative Securities Acquired (A) or Disposed of (D) | 5. Number of Derivative Securities Acquired (A) or Disposed of (D) | 6. Date Exercisable and Expiration Date | 6. Date Exercisable and Expiration Date | 7. Title and Amount of Underlying Securities | 7. Title and Amount of Underlying Securities | 8. Price of Derivative Security | 9. Number of Derivative Securities Beneficially Owned | 10. Ownership Form | 11. Nature of Indirect Beneficial Ownership |
| 1. Title of Derivative Security | 2. Conversion or Exercise Price | 3. Transaction Date | 3A. Deemed Execution Date | Code | V | (A) | (D) | Date Exercisable | Expiration Date | Title | Amount or Number of Shares | 8. Price of Derivative Security | 9. Number of Derivative Securities Beneficially Owned | 10. Ownership Form | 11. Nature of Indirect Beneficial Ownership |
| Stock Option | $2.10 | 2023-03-21 |  | D |  |  | 89047 | <sup>(3)</sup> | 2032-06-16 | Common Stock | 89047 | <sup>(2)</sup> | 0 | D |  |

---

### Footnotes:

(1) On March 21, 2023, pursuant to the Agreement and Plan of Merger, dated as of December 21, 2022 (the Merger Agreement), by and among IsoPlexis Corporation, a Delaware corporation (IsoPlexis), Berkeley Lights, Inc., a Delaware corporation (Berkeley Lights), and Iceland Merger Sub Inc., a Delaware corporation and a wholly owned subsidiary of Berkeley Lights, each share of common stock, par value $0.001, of IsoPlexis (IsoPlexis Common Stock) reported in this Form 4 was converted into the right to receive 0.6120 fully paid and nonassessable shares of common stock, par value $05, of Berkeley Lights (Berkeley Lights Common Stock), together with cash in lieu of fractional shares of Berkeley Lights Common Stock, if any, and any unpaid dividends or other distributions.

(2) On March 21, 2023, pursuant to the Merger Agreement, each IsoPlexis stock option reported in this Form 4 that was (a) vested and unexercised or (b) vested solely as a result of the consummation of the merger pursuant to the Merger Agreement was, in each case, exercisable prior to the effective time of such merger and, to the extent unexercised at such effective time, canceled for no consideration.

(3) Vests in full on the earlier of June 16, 2023 or the day prior to the mext annual shareholders meeting.

(4) The Reporting Person is a managing member of Spring Mountain Capital G.P., LLC, a Delaware limited liability company ("SMC GP"). SMC GP is the managing member of SMC Growth Capital II GP, LLC, a Delaware limited liability company ("GCII GP"). GCII GP is the general partner of SMC Growth Capital Partners II, LP ("GCII"), the direct beneficial owner of the securities. The Reporting Person disclaims beneficial ownership, within the meaning of Section 16 of the Securities Exchange Act of 1934, as amended, or otherwise of such portion of the securities held by GCII in which the Reporting Person has no pecuniary interest.

(5) The Reporting Person is a managing member of SMC GP. SMC GP is the managing member of SMC Private Equity Holdings G.P., LLC, a Delaware limited liability company ("PEH GP"). PEH GP is the general partner of SMC Private Equity Holdings, LP ("PEH"), the direct beneficial owner of the securities. The Reporting Person disclaims beneficial ownership, within the meaning of Section 16 of the Securities Exchange Act of 1934, as amended, or otherwise of such portion of the securities held by PEH in which the Reporting Person has no pecuniary interest.

(6) The Reporting Person is a managing member of SMC Holdings II G.P., LLC, a Delaware limited liability company ("Holdings GP"). Holdings GP is the general partner of SMC Holdings II, LP ("Holdings"), the direct beneficial owner of the securities. The Reporting Person disclaims beneficial ownership, within the meaning of Section 16 of the Securities Exchange Act of 1934, as amended, or otherwise of such portion of the securities held by Holdings in which the Reporting Person has no pecuniary interest.

**Signature:** /s/ Gregory P. Ho  
**Date:** 2023-03-21

### Remarks:

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.

* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).

** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).

Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.

**Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.**