# EDGAR Filing Document

**Accession Number:** 0001302110
**File Stem:** 0001302110-26-000013
**Filing Date:** 2026-3
**Character Count:** 15384
**Document Hash:** 431cac719f459e4ed0d67ad6016d9b7a
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001302110-26-000013.hdr.sgml**: 20260331

**ACCESSION NUMBER**: 0001302110-26-000013

**CONFORMED SUBMISSION TYPE**: SCHEDULE 13D/A

**PUBLIC DOCUMENT COUNT**: 1

**FILED AS OF DATE**: 20260331

**DATE AS OF CHANGE**: 20260331

**SUBJECT COMPANY**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** Fulgent Genetics, Inc.
- **CENTRAL INDEX KEY:** 0001674930
- **STANDARD INDUSTRIAL CLASSIFICATION:** SERVICES-MEDICAL LABORATORIES [8071]
- **ORGANIZATION NAME:** 08 Industrial Applications and Services
- **EIN:** 812621304
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** SCHEDULE 13D/A
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 005-89656
- **FILM NUMBER:** 26823060

**BUSINESS ADDRESS:**
- **STREET 1:** 4399 SANTA ANITA AVE
- **CITY:** EL MONTE
- **STATE:** CA
- **ZIP:** 91731
- **BUSINESS PHONE:** 626-350-0537

**MAIL ADDRESS:**
- **STREET 1:** 4399 SANTA ANITA AVE
- **CITY:** EL MONTE
- **STATE:** CA
- **ZIP:** 91731

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** Fulgent Diagnostics, Inc.
- **DATE OF NAME CHANGE:** 20160517
**FILED BY**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** Hsieh Ming
- **CENTRAL INDEX KEY:** 0001302110

**ORGANIZATION NAME:**

**FILING VALUES:**
- **FORM TYPE:** SCHEDULE 13D/A

**MAIL ADDRESS:**
- **STREET 1:** 4399 SANTA ANITA AVE.
- **CITY:** EL MONTE
- **STATE:** CA
- **ZIP:** 91731

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

## SCHEDULE 13D

### Under the Securities Exchange Act of 1934

**(Amendment No. 4)**

**Fulgent Genetics, Inc.**

*(Name of Issuer)*

**Common Stock, par value $0.0001 per share**

*(Title of Class of Securities)*

**—**

*(CUSIP Number)*

**Ming Hsieh**<br>c/o Fulgent Genetics, Inc.<br>4399 Santa Anita Avenue<br>El Monte CA 91731<br>(626) 350-0537

*(Name, Address and Telephone Number of Person Authorized to Receive Notices and Communications)*

**03/19/2026**

*(Date of Event Which Requires Filing of this Statement)*

| **CUSIP No.** | **—** |

---

| | | | |
|:--|:--|:--|:--|
| 1 | Name of reporting person<br>**Ming Hsieh** | Name of reporting person<br>**Ming Hsieh** | |
| 2 | Check the appropriate box if a member of a Group (See Instructions)<br>[x] (a)<br>[ ] (b) | Check the appropriate box if a member of a Group (See Instructions)<br>[x] (a)<br>[ ] (b) | |
| 3 | SEC use only | SEC use only | |
| 4 | Source of funds (See Instructions)<br>**OO** | Source of funds (See Instructions)<br>**OO** | |
| 5 | Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)<br>[ ] | Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)<br>[ ] | |
| 6 | Citizenship or place of organization<br>**—** | Citizenship or place of organization<br>**—** | |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 7 | Sole Voting Power<br>**8645487.00** |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 8 | Shared Voting Power<br>**221816.00** |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 9 | Sole Dispositive Power<br>**8645487.00** |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 10 | Shared Dispositive Power<br>**221816.00** |
| 11 | Aggregate amount beneficially owned by each reporting person<br>**8867303.00** | Aggregate amount beneficially owned by each reporting person<br>**8867303.00** | |
| 12 | Check if the aggregate amount in Row (11) excludes certain shares (See Instructions)<br>[ ] | Check if the aggregate amount in Row (11) excludes certain shares (See Instructions)<br>[ ] | |
| 13 | Percent of class represented by amount in Row (11)<br>**30.74%** | Percent of class represented by amount in Row (11)<br>**30.74%** | |
| 14 | Type of Reporting Person (See Instructions)<br>**IN** | Type of Reporting Person (See Instructions)<br>**IN** | |

---

**Comment for Reporting Person:** In reference to Row 4 above, the shares of common stock, par value $0.0001 per share (the "Common Stock"), of Fulgent Genetics, Inc. (the "Issuer") acquired by Ming Hsieh (the "Reporting Person") since the Reporting Person's last amendment to this Schedule 13D were acquired through equity award vestings in connection with the Reporting Person's services as Chief Executive Officer of the Issuer. No cash consideration was paid by the Reporting Person in connection with these acquisitions. See Item 3 of this Schedule 13D for additional information.

In reference to Rows 7 and 9 above, sole voting and dispositive power consists of (i) 7,895,115 shares of Common Stock of the Issuer held of record by The Ming Hsieh Trust (the "Trust"), of which Mr. Hsieh possesses sole voting and dispositive power as the trustee, of which 1,000,000 shares of Common Stock of the Issuer are pledged as security pursuant to a pre-paid forward arrangement as disclosed on that certain Form 4 filed by the Reporting Person with the U.S. Securities and Exchange Commission (the "SEC") on March 12, 2024, and 5,760,733 shares of Common Stock are pledged as collateral account for a credit facility, (ii) 743,876 shares of Common Stock of the Issuer held of record by Mr. Hsieh, (iii) 1,000 shares of Common Stock of the Issuer held of record by a minor child under a Uniform Transfers to Minors Act account, of which Mr. Hsieh possesses sole voting and dispositive power as the sole custodian of the account, and (iv) 5,496 shares of Common Stock of the Issuer subject to Restricted Stock Unit awards granted to Mr. Hsieh that will vest or settle within 60 days after March 31, 2026. This 5,496 shares of Common Stock presumes no shares are withheld for the purposes of withholding taxes.

In reference to Rows 8 and 10 above, shared voting and dispositive power consists of (i) 220,816 shares of Common Stock of the Issuer held by the Dynasty Trust. Mr. Hsieh is the grantor of the Dynasty Trust and he and his spouse, Eva Hsieh, serve on the investment committee of the Dynasty Trust and (ii) 1,000 shares of Common Stock of the Issuer held by an immediate family member of Mr. Hsieh residing in the same household which were previously held in a custodial account under the Uniform Transfers to Minors Act, over which Mr. Hsieh served as sole custodian, and were transferred to this immediate family member upon this individual reaching the age of majority. Mr. Hsieh may be deemed to share voting and dispositive power over these 1,000 shares by virtue of this family member's residence in his household. Mr. Hsieh disclaims beneficial ownership of such shares except to the extent of any pecuniary interest therein.

In reference to Row 13 above, percent of class represetned by aggregate amount was calculated based on 28,844,618 shares of Common Stock of the Issuer issued and outstanding as of March 27, 2026, as reported in the Issuer's Definitive Proxy Statement filed with the SEC on March 31, 2026.

| **CUSIP No.** | **—** |

---

| | | | |
|:--|:--|:--|:--|
| 1 | Name of reporting person<br>**The Ming Hsieh Trust** | Name of reporting person<br>**The Ming Hsieh Trust** | |
| 2 | Check the appropriate box if a member of a Group (See Instructions)<br>[x] (a)<br>[ ] (b) | Check the appropriate box if a member of a Group (See Instructions)<br>[x] (a)<br>[ ] (b) | |
| 3 | SEC use only | SEC use only | |
| 4 | Source of funds (See Instructions)<br>**OO** | Source of funds (See Instructions)<br>**OO** | |
| 5 | Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)<br>[ ] | Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)<br>[ ] | |
| 6 | Citizenship or place of organization<br>**CALIFORNIA** | Citizenship or place of organization<br>**CALIFORNIA** | |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 7 | Sole Voting Power<br>**7895115.00** |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 8 | Shared Voting Power<br>**0.00** |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 9 | Sole Dispositive Power<br>**7895115.00** |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 10 | Shared Dispositive Power<br>**0.00** |
| 11 | Aggregate amount beneficially owned by each reporting person<br>**7895115.00** | Aggregate amount beneficially owned by each reporting person<br>**7895115.00** | |
| 12 | Check if the aggregate amount in Row (11) excludes certain shares (See Instructions)<br>[ ] | Check if the aggregate amount in Row (11) excludes certain shares (See Instructions)<br>[ ] | |
| 13 | Percent of class represented by amount in Row (11)<br>**27.37%** | Percent of class represented by amount in Row (11)<br>**27.37%** | |
| 14 | Type of Reporting Person (See Instructions)<br>**OO** | Type of Reporting Person (See Instructions)<br>**OO** | |

---

**Comment for Reporting Person:** In reference to Row 4 above, the Trust has not acquired any shares of Common Stock since the Reporting Person's last amendment to this Schedule 13D. All shares of Common Stock currently held by the Trust were acquired through transfers from the Reporting Person as previously reported. See Item 3 of Amendment No. 3 to Schedule 13D previously filed with the SEC on November 5, 2024, for additional information.

In reference to Rows 7 and 9 above, sole voting and dispositive power consists of 7,895,115 shares of Common Stock of the Issuer held of record by the Trust, over which the Reporting Person possesses sole voting and dispositive power as the trustee of the Trust.

In reference to Row 13 above, percent of class represetned by aggregate amount was calculated based on 28,844,618 shares of Common Stock of the Issuer issued and outstanding as of March 27, 2026 as reported in the Issuer's Definitive Proxy Statement filed with the SEC on March 31, 2026.

**Item 1. Security and Issuer**

**(a) Title of Class of Securities:**
Common Stock, par value $0.0001 per share

**(b) Name of Issuer:**
Fulgent Genetics, Inc.

**(c) Address of Issuer's Principal Executive Offices:**
4399 Santa Anita Avenue, El Monte, CA, 91731

This amendment No. 4 to Schedule 13D (this "Statement") relates to the common stock, par value $0.0001 per share (the "Common Stock"), of Fulgent Genetics, Inc., a Delaware corporation (the "Issuer"). The principal executive office of the Issuer is located at 4399 Santa Anita Avenue, El Monte, California 91731. Except as expressly amended herein, this Statement supplements Amendment No. 3 to Schedule 13D previously filed with the SEC on November 5, 2024.

**Item 4. Purpose of Transaction**

The Reporting Person holds the shares of Common Stock reported in this Statement for general investment purposes. The Reporting Person may, from time to time, acquire additional, or dispose of, shares of Common Stock or other securities of the Issuer, in the Reporting Person's capacity as Chief Executive Officer and Chairperson of the Board of the Issuer or otherwise, or engage in discussions with the Issuer concerning investments in the Issuer. The Reporting Person intends to review his ownership of Common Stock (including shares of Common Stock held through the Trust) on a continuing basis and, depending upon the price and availability of shares of Common Stock of the Issuer, subsequent developments affecting the Issuer, the Issuer's business and prospects, other investment and business opportunities available to the Reporting Person, general stock market and economic conditions, tax considerations and other factors considered relevant, the Reporting Person may decide at any time to increase or to decrease the size of his holdings of the Issuer's securities or securities derived of, exercisable for or convertible into the Issuer's securities.

**Item 5. Interest in Securities of the Issuer**

**(a)**
The Reporting Person beneficially owns 8,867,303 shares of Common Stock of the Issuer, representing 30.74% of all of the issued and outstanding shares of Common Stock of the Issuer. The Trust beneficially owns 7,895,115 shares of Common Stock of the Issuer, representing 27.37% of all of the issued and outstanding shares of Common Stock of the Issuer.

The percentages set forth in this Item 5(a) are based on 28,844,618 shares of Common Stock issued and outstanding as of March 27, 2026 as reported in the Issuer's Definitive Proxy Statement filed with the SEC on March 31, 2026.

**(b)**
The Reporting Person has the sole power to vote or direct the vote and dispose or direct the disposition of 8,645,487 shares of Common Stock of the Issuer (which includes the shares of Common Stock held by the Trust) as of and within sixty (60) days after March 31, 2026. The Reporting Person has shared power to vote or direct the vote or dispose or direct the disposition of 221,816 shares of Common Stock as of and within 60 days of March 31, 2026. The Reporting Person is a member of the investment committee of the Dynasty Trust and, as such, shares voting and dispositive power over the shares held by the Dynasty Trust.

**(c)**
The transactions effected by the Reporting Person in the 60 days prior to the filing of this Statement are set forth in Item 3 of this Statement. Except as set forth in Item 3 of this Statement, no other transactions in the shares of Common Stock of the Issuer have been effected by the Reporting Person during the 60-day period prior to the filing of this Statement.

**Item 6. Contracts, Arrangements, Understandings or Relationships With Respect to Securities of the Issuer.**

1,000,000 shares of Common Stock of the Trust are pledged as security pursuant to a pre-paid forward arrangement as disclosed on that certain Form 4 filed by the Reporting Person with the SEC on March 12, 2024, and 5,760,733 shares of Common Stock of the Trust are pledged as collateral for a credit facility provided to the Trust by The Charles Schwab Corporation. This arrangement is subject to customary terms which provide that, in the event of a default, the lender may be entitled to dispose of the pledged shares. The Reporting Person and his spouse, Eva Hsieh, are members of the investment committee of the Dynasty Trust. See Item 5(b) of this Statement.

Except as described herein, there are no contracts, arrangements, understandings or relationships (legal or otherwise) among the persons named in Item 2 of this Statement and between such persons and any person with respect to any securities of the Issuer, including but not limited to transfer or voting of any of the securities, finder's fees, joint ventures, loan or option arrangements, puts or calls, guarantees of profits, division of profits or loss, or the giving or withholding of proxies.

### SIGNATURE

After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct.

**Reporting Person:** Ming Hsieh

**Signature:** /s/ Ming Hsieh

**Name/Title:** Ming Hsieh

**Date:** 03/31/2026

After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct.

**Reporting Person:** The Ming Hsieh Trust

**Signature:** /s/ Ming Hsieh

**Name/Title:** By: Ming Hsieh, Trustee

**Date:** 03/31/2026