Alto Ingredients (ALTO) CEO receives 100,108-share stock grant, now holds 1.03M

Rhea-AI Filing Summary

Alto Ingredients, Inc. President & CEO Bryon T. McGregor received a grant of 100,108 shares of Common Stock as a compensation-related award. The shares were acquired at a stated price of $0.00 per share and are held directly. Following this grant, McGregor directly owns 1,030,944 Common Stock shares.

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

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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^*

McGregor Bryon T

(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
X	Officer (give title below)		Other (specify below)
	President & CEO

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
03/17/2026

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	03/17/2026		A		100,108	A	$0.00	1,030,944	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/ Bryon T. McGregor	03/18/2026
	** 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 Bryon T. McGregor?

Alto Ingredients disclosed that President & CEO Bryon T. McGregor received a grant of 100,108 Common Stock shares. This Form 4 reports a compensation-related award, not an open-market trade, and increases his directly held position in the company.

How many Alto Ingredients (ALTO) shares does Bryon T. McGregor hold after the latest grant?

After the grant, Bryon T. McGregor directly holds 1,030,944 shares of Alto Ingredients Common Stock. This total reflects the newly awarded 100,108-share grant reported in the Form 4 as a non-derivative, compensation-related acquisition.

Was the Alto Ingredients (ALTO) CEO’s Form 4 transaction a market purchase or sale?

The Form 4 reports a grant or award acquisition, not a market purchase or sale. The 100,108 Common Stock shares were acquired at a stated price of $0.00 per share as part of compensation, so no open-market trading occurred in this filing.

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

Transaction code "A" on the Form 4 indicates a grant, award, or other acquisition. For Alto Ingredients, it shows the CEO received 100,108 Common Stock shares as a compensation-related award rather than buying them on the open market.

Does the Alto Ingredients (ALTO) Form 4 show any stock sales by the CEO?

The filing shows no stock sales by the CEO. It records only one transaction: a grant of 100,108 Common Stock shares, classified as an acquisition, which increased his direct ownership to 1,030,944 shares following the award.