Director at Alto Ingredients (NASDAQ: ALTO) receives 23,605-share stock grant in Form 4

Rhea-AI Filing Summary

Alto Ingredients, Inc. director Maria G. Gray reported receiving a grant of 23,605 shares of Common Stock on June 23, 2026. The shares were acquired at a stated price of $0.0000 per share as a grant, award, or other acquisition rather than an open-market purchase. Following this equity award, Gray directly owns 179,229 shares of Alto Ingredients common stock.

Insider Trade Summary

1 transaction reported

Mixed 1 txn

Insider Gray Maria G

Role null

Type	Security	Shares	Price	Value
Grant/Award	Common Stock	23,605	$0.00	--

Holdings After Transaction: Common Stock — 179,229 shares (Direct, null)

Footnotes (1)

Key Figures

Shares granted: 23,605 shares Grant price per share: $0.0000 per share Shares held after transaction: 179,229 shares +1 more

4 metrics

Shares granted 23,605 shares Common Stock grant on June 23, 2026

Grant price per share $0.0000 per share Stated price for awarded Common Stock

Shares held after transaction 179,229 shares Director’s direct Common Stock holdings post-grant

Number of acquisition transactions 1 transaction Non-derivative Common Stock grant coded A

Key Terms

Grant, award, or other acquisition, Common Stock, Form 4

3 terms

Grant, award, or other acquisition financial

"transaction_code_description": "Grant, award, or other acquisition""

Common Stock financial

""security_title": "Common Stock""

Common stock represents ownership shares in a company, giving investors a stake in its success and a say in important decisions through voting rights. It is the most common type of stock traded on markets and can provide income through dividends, as well as potential for value growth. For investors, holding common stock means sharing in the company’s profits and risks.

Form 4 regulatory

"INSIDER FILING DATA (Form 4)"

Form 4 is a official document that company insiders, such as executives or major shareholders, file with regulators whenever they buy or sell company shares. It provides transparency about how those with inside knowledge are trading, helping investors see if insiders are confident in the company's prospects or may be selling for personal reasons. This information can influence investor decisions by revealing insiders' perspectives on the company's value.

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Form 4 Insider Transactions: What Each Field Means →

Available on EDGAR 06/25/2026 - 04:44 PM Accepted by SEC EDGAR 06/25/2026 - 04:43 PM 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^*

Gray Maria G

(Last) (First) (Middle)

1300 SOUTH SECOND STREET

(Street)

PEKIN ILLINOIS 61554

(City) (State) (Zip)

UNITED STATES

(Country)

2. Issuer Name and Ticker or Trading Symbol
Alto Ingredients, Inc. [ ALTO ]

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

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

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
06/23/2026

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	06/23/2026		A		23,605	A	$0	179,229	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:

	/s/ Maria G. Gray	06/24/2026
	** 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)

FAQ

What insider transaction did Alto Ingredients (ALTO) disclose for Maria G. Gray?

Alto Ingredients director Maria G. Gray reported receiving 23,605 shares of Common Stock as a grant or award. The transaction was recorded at a price of $0.0000 per share and increased her direct holdings to 179,229 shares after the award.

Was the ALTO insider transaction a purchase or a grant of shares?

The ALTO insider transaction was a grant or award of shares, not an open-market purchase. The Form 4 classifies the 23,605-share acquisition under code A, described as a grant, award, or other acquisition with a price of $0.0000 per share.

How many Alto Ingredients shares does Maria G. Gray hold after this Form 4?

After receiving the 23,605-share grant, Maria G. Gray directly holds 179,229 shares of Alto Ingredients Common Stock. This post-transaction holding figure comes directly from the Form 4’s “shares following transaction” disclosure for her non-derivative Common Stock position.

What does transaction code A mean in the Alto Ingredients (ALTO) Form 4 filing?

Transaction code A in this ALTO Form 4 indicates a “Grant, award, or other acquisition.” It shows Maria G. Gray acquired 23,605 Common Stock shares as compensation-related equity, rather than buying them in the open market at a cash price.

Did Maria G. Gray sell any Alto Ingredients (ALTO) shares in this Form 4?

No share sales are reported in this Form 4. The transaction summary shows one acquisition transaction and zero dispositions, meaning only a grant of 23,605 shares occurred, bringing Gray’s direct Common Stock holdings to 179,229 shares afterward.