CODX CEO Form 4 shows RSU vesting and tax sell-to-cover trade

Rhea-AI Filing Summary

Co-Diagnostics, Inc. (CODX) reported an insider equity transaction by its Chief Executive Officer and director. On 11/23/2025, the CEO acquired 163,333 shares of common stock at $0.00 per share through the vesting and settlement of previously granted restricted stock units. On the same date, 49,575 shares of common stock were sold at $0.35 per share to cover tax withholding obligations related to this RSU vesting, as required under the company’s equity incentive plans.

Following these transactions, the CEO beneficially owned 748,252 shares of common stock directly and held 412,500 restricted stock units, each representing a contingent right to receive one share of common stock, subject to vesting schedules under the Co-Diagnostics, Inc. 2015 Long Term Incentive Plan.

Insider Trade Summary

163,333 shares exercised/converted

Mixed 3 txns

Insider Egan Dwight H

Role Chief Executive Officer

Type	Security	Shares	Price	Value
Exercise	Restricted Stock Unit	163,333	$0.00	--
Grant/Award	Common Stock	163,333	$0.00	--
Disposition	Common Stock	49,575	$0.35	$17K

Holdings After Transaction: Restricted Stock Unit — 412,500 shares (Direct); Common Stock — 797,827 shares (Direct)

Footnotes (1)

1. Included in 155,000 restricted stock units awarded to the Reporting Person on January 17, 2023, pursuant to the Co-Diagnostics, Inc. 2015 Long Term Incentive Plan, and vest in 6 equal installments every 6 months commencing on May 23, 2023. Included in 275,000 restricted stock units awarded to the Reporting Person on May 15, 2023, pursuant to the Co-Diagnostics, Inc. 2015 Long Term Incentive Plan, and vest in 6 equal installments every 6 months commencing on November 23, 2023. Included in 275,000 restricted stock units awarded to the Reporting Person on April 26, 2024, pursuant to the Co-Diagnostics, Inc. 2015 Long Term Incentive Plan, and vest in 6 equal installments every 6 months commencing on November 23, 2024. Included in 275,000 restricted stock units awarded to the Reporting Person on August 13, 2025, pursuant to the Co-Diagnostics, Inc. 2015 Long Term Incentive Plan, and vest in 6 equal installments every 6 months commencing on November 23, 2025. Represents the number of shares required to be sold by the Reporting Person to cover tax withholding obligations in connection with the vesting of RSU's. This sale is mandated by the Issuer's election, under its equity incentive plans to require the satisfaction of tax withholding obligations to be funded by a "sell to cover" transaction and does not represent a discretionary trade by the Reporting Person.

Form 4 Insider Transactions: What Each Field Means →

SEC Form 4

FORM 4

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

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

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^*

Egan Dwight H

(Last) (First) (Middle)

2401 S. FOOTHILL DRIVE SUITE D

(Street)

SALT LAKE CITY UT 84109

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
Co-Diagnostics, Inc. [ CODX ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

X	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	Chief Executive Officer

3. Date of Earliest Transaction (Month/Day/Year)
11/23/2025

4. If Amendment, Date of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Common Stock	11/23/2025		A		163,333(1)	A	$0.00	797,827	D
Common Stock	11/23/2025		D		49,575(2)	D	$0.35	748,252	D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares
Restricted Stock Unit	$0.00	11/23/2025		M			163,333	(1)	(1)	Common Stock	575,833	$0.00	412,500	D

Explanation of Responses:

1. Included in 155,000 restricted stock units awarded to the Reporting Person on January 17, 2023, pursuant to the Co-Diagnostics, Inc. 2015 Long Term Incentive Plan, and vest in 6 equal installments every 6 months commencing on May 23, 2023. Included in 275,000 restricted stock units awarded to the Reporting Person on May 15, 2023, pursuant to the Co-Diagnostics, Inc. 2015 Long Term Incentive Plan, and vest in 6 equal installments every 6 months commencing on November 23, 2023. Included in 275,000 restricted stock units awarded to the Reporting Person on April 26, 2024, pursuant to the Co-Diagnostics, Inc. 2015 Long Term Incentive Plan, and vest in 6 equal installments every 6 months commencing on November 23, 2024. Included in 275,000 restricted stock units awarded to the Reporting Person on August 13, 2025, pursuant to the Co-Diagnostics, Inc. 2015 Long Term Incentive Plan, and vest in 6 equal installments every 6 months commencing on November 23, 2025.

2. Represents the number of shares required to be sold by the Reporting Person to cover tax withholding obligations in connection with the vesting of RSU's. This sale is mandated by the Issuer's election, under its equity incentive plans to require the satisfaction of tax withholding obligations to be funded by a "sell to cover" transaction and does not represent a discretionary trade by the Reporting Person.

Remarks:

	/s/ Dwight H. Egan	11/24/2025
	** Signature of Reporting Person	Date
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.

FAQ

What insider transaction did Co-Diagnostics (CODX) disclose in this Form 4?

The filing discloses that the Chief Executive Officer and director of Co-Diagnostics, Inc. (CODX) acquired 163,333 shares of common stock on 11/23/2025 through the vesting of restricted stock units and related settlement into common shares.

How many Co-Diagnostics (CODX) shares were sold to cover taxes in this filing?

The CEO sold 49,575 shares of Co-Diagnostics common stock at $0.35 per share on 11/23/2025 to cover tax withholding obligations arising from the vesting of restricted stock units.

Was the share sale by the Co-Diagnostics CEO a discretionary trade?

No. The filing states that the 49,575-share sale was required to cover tax withholding obligations under the company’s equity incentive plans through a mandated “sell to cover” transaction and did not represent a discretionary trade by the reporting person.

How many Co-Diagnostics (CODX) shares does the CEO own after these transactions?

After the reported transactions, the CEO beneficially owned 748,252 shares of Co-Diagnostics common stock directly.

How many restricted stock units does the Co-Diagnostics CEO hold after this Form 4 event?

Following the vesting and settlement reported, the CEO held 412,500 restricted stock units, each representing a right to receive one share of Co-Diagnostics common stock, subject to the applicable vesting schedule.

What equity plan governs the restricted stock units reported by Co-Diagnostics (CODX)?

The restricted stock units were granted under the Co-Diagnostics, Inc. 2015 Long Term Incentive Plan, with multiple awards vesting in six equal installments every six months starting from their respective commencement dates.