Codexis CFO Georgia Erbez sells 6,335 shares

Georgia Erbez's reported post-transaction holdings were 60,475 shares, including 7,707 restricted stock units.

Rhea-AI Filing Summary

Codexis, Inc. officer Georgia Erbez, whose stated roles are chief financial officer and chief business officer, sold 6,335 shares of common stock at $1.3606 per share on October 12, 2026. The shares were sold solely to satisfy tax or other government withholding obligations in connection with vesting of restricted stock units. Her reported post-transaction holdings were 60,475 shares, including 7,707 restricted stock units; no Rule 10b5-1 plan is reported.

Insider Trade Summary

Net Seller: 6,335 shares

Net Sell 1 txn

Insider Erbez Georgia

Role See Remarks

Sold 6,335 shs ($9K)

Type	Security	Shares	Price	Value
Sale	Common Stock F1, F2	6,335	$1.3606	$9K

Holdings After Transaction: Common Stock — 60,475 shares (Direct)

Footnotes (2)

1. F1. The shares were sold solely to satisfy tax or other government withholding obligations in connection with the vesting of shares subject to Restricted Stock Units ("RSUs") of the Issuer.
2. F2. Includes 7,707 restricted stock units.

Key Figures

Common shares sold: 6,335 shares Price per share: $1.3606 per share Post-transaction holdings: 60,475 shares +1 more

4 metrics

Common shares sold 6,335 shares October 12, 2026; sold to satisfy withholding obligations

Price per share $1.3606 per share Sale on October 12, 2026

Post-transaction holdings 60,475 shares Reported after the sale

Restricted stock units included 7,707 units Included in reported post-transaction holdings

Key Terms

Restricted Stock Units, vesting, withholding obligations

3 terms

Restricted Stock Units financial

"vesting of shares subject to Restricted Stock Units"

Restricted stock units are a type of company reward where employees are promised shares of stock, but they only fully own these shares after meeting certain conditions, like staying with the company for a set time. They matter because they can become valuable assets and are often used to motivate employees to help the company succeed.

vesting financial

"in connection with the vesting of shares"

Vesting is the process by which you earn full ownership of something, like company stock or a retirement benefit, over time. It’s like earning the right to keep a gift piece by piece the longer you stay with a company, making sure employees stay committed before they receive all the benefits.

withholding obligations financial

"tax or other government withholding obligations"

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

How many CDXS shares did Georgia Erbez sell?

Georgia Erbez sold 6,335 shares at $1.3606 per share on October 12, 2026. The shares were sold solely to satisfy tax or other government withholding obligations in connection with vesting of restricted stock units; no Rule 10b5-1 plan is reported.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Available on EDGAR 10/14/2026 - 05:20 PM EDT Accepted by SEC EDGAR 10/14/2026 - 05:19 PM EDT Learn about SEC filing dates

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^*

Erbez Georgia

(Last) (First) (Middle)

C/O CODEXIS, INC.

200 PENOBSCOT DRIVE

(Street)

REDWOOD CITY CALIFORNIA 94063

(City) (State) (Zip)

UNITED STATES

(Country)

2. Issuer Name and Ticker or Trading Symbol
CODEXIS, INC. [ CDXS ]

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

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	See Remarks

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
10/12/2026

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

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

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

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	10/12/2026		S(1)		6,335	D	$1.3606	60,475(2)	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

Explanation of Responses:

1. The shares were sold solely to satisfy tax or other government withholding obligations in connection with the vesting of shares subject to Restricted Stock Units ("RSUs") of the Issuer.

2. Includes 7,707 restricted stock units.

Remarks:

Chief Financial Officer and Chief Business Officer

	/s/ Georgia Erbez	10/14/2026
	** 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.
* Form 4: SEC 1474 (03-26)