Alto Ingredients (ALTO) director awarded 31,652 shares, holdings reach 806,393

Rhea-AI Filing Summary

Alto Ingredients, Inc. director Nathan E. Gilbert reported an equity award and updated his holdings of common stock. He received a grant of 31,652 shares of common stock at a price of $0.0000 per share, characterized as a grant, award, or other acquisition. Following this grant, his direct holdings increased to 806,393 shares of common stock. The filing also reports 31,200 shares of common stock held indirectly through his spouse, reflecting existing ownership rather than a new transaction.

Insights

Equity compensation analyst

Director received a stock grant, modest versus overall holdings and with no open-market trading.

Director Nathan E. Gilbert received an equity grant of 31,652 shares of Alto Ingredients common stock at $0.0000 per share. The code “A” and description “Grant, award, or other acquisition” indicate this is compensation rather than an open-market purchase.

After the award, Gilbert’s direct holdings total 806,393 shares, suggesting the grant is relatively small compared with his existing stake. The filing also lists 31,200 shares held indirectly by his spouse, which provides additional context on total exposure but does not represent a new trade.

Insider Trade Summary

Net Buyer: 31,652 shares

Net Buy 2 txns

Insider NATHAN GILBERT E

Role Director

Type	Security	Shares	Price	Value
Grant/Award	Common Stock	31,652	$0.00	$0.00
holding	Common Stock	--	--	--

Holdings After Transaction: Common Stock — 806,393 shares (Direct); Common Stock — 31,200 shares (Indirect, by spouse)

Key Figures

Equity grant shares: 31,652 shares Grant price per share: $0.0000 per share Direct holdings after grant: 806,393 shares +1 more

4 metrics

Equity grant shares 31,652 shares Common Stock grant coded as award on 2026-06-23

Grant price per share $0.0000 per share Stated transaction price for the 31,652-share grant

Direct holdings after grant 806,393 shares Total direct common stock owned following the award

Indirect spouse holdings 31,200 shares Common stock held indirectly by spouse as of 2026-06-23

Key Terms

Grant, award, or other acquisition, Common Stock, indirect ownership, transaction code A

4 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.

indirect ownership financial

""ownership_type": "indirect""

transaction code A financial

""transaction_code": "A""

FAQ

What insider transaction did Alto Ingredients (ALTO) report for Nathan E. Gilbert?

Alto Ingredients reported that director Nathan E. Gilbert received a grant of 31,652 shares of common stock. The transaction used code “A,” indicating a grant, award, or other acquisition, with a price of $0.0000 per share as part of equity compensation.

How many Alto Ingredients (ALTO) shares does Nathan E. Gilbert now hold directly?

After the reported grant, Nathan E. Gilbert directly holds 806,393 shares of Alto Ingredients common stock. This total reflects his position following the 31,652-share equity award disclosed in the Form 4 insider transaction report for common stock.

What does the 31,652-share transaction for ALTO represent for Nathan E. Gilbert?

The 31,652-share transaction represents a grant, award, or other acquisition of Alto Ingredients common stock. It was recorded at $0.0000 per share, indicating equity compensation rather than an open-market purchase, and increased his direct holdings to 806,393 shares.

Does the Alto Ingredients (ALTO) Form 4 show any shares held indirectly by Nathan E. Gilbert?

Yes. The Form 4 reports 31,200 Alto Ingredients common shares held indirectly by Nathan E. Gilbert through his spouse. This entry is labeled as indirect ownership “by spouse” and appears as a holding record rather than a new buy or sell transaction.

Were there any open-market buys or sells by Nathan E. Gilbert in this ALTO filing?

No open-market buys or sells are shown in this Form 4. The main activity is an equity grant of 31,652 shares coded as an award, while the 31,200 shares held by his spouse are reported as an existing indirect holding without a buy or sell code.

What is the significance of transaction code “A” in the Alto Ingredients (ALTO) Form 4?

Transaction code “A” in this Form 4 is described as a grant, award, or other acquisition. For Nathan E. Gilbert, it indicates that the 31,652 Alto Ingredients shares were received as compensation, not bought on the open market, at a stated price of $0.0000 per share.

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

See more from StockTitan in Google Search and AI answers. Adds StockTitan as a preferred source · opens Google

Add on Google Not now

Form 4 Insider Transactions: What Each Field Means →

Available on EDGAR 06/25/2026 - 04:45 PM Accepted by SEC EDGAR 06/25/2026 - 04:45 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^*

NATHAN GILBERT E

(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		31,652	A	$0	806,393	D
Common Stock								31,200	I	by spouse

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/ Gilbert E. Nathan	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)