[Form 4] Expion360 Inc. Insider Trading Activity

Rhea-AI Filing Summary

Expion360 Inc. (XPON) filed a Form 4 reporting an equity grant to director Brian Paul Schaffner. On October 16, 2025, he received 100,000 restricted stock units (RSUs) of common stock at a price of $0.00 per share under the company’s 2021 Incentive Award Plan. Each RSU represents the right to receive one share of common stock and vested in full on that same date.

After this grant, Schaffner beneficially owns 160,493 shares, consisting of 115,057 shares of common stock and 45,436 shares underlying stock options that are exercisable within 60 days of November 20, 2025. The filing reflects routine equity-based director compensation rather than an open-market purchase.

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
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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^*

Schaffner Brian Paul

(Last) (First) (Middle)

2025 SW DEERHOUND AVE

(Street)

REDMOND OR 97756

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
Expion360 Inc. [ XPON ]

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

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

3. Date of Earliest Transaction (Month/Day/Year)
10/16/2025

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	10/16/2025		A		100,000(1)	A	$0.00	160,493(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. Reflects a grant of restricted stock units ("RSUs") made to the Reporting Person under the Issuer's 2021 Incentive Award Plan. Each RSU represents a contingent right to receive one share of the Issuer's common stock, par value $0.001 per share ("Common Stock"). The RSUs vested in full on October 16, 2025.

2. Includes (i) 115,057 shares of Common Stock, and (ii) 45,436 shares of Common Stock, which the Reporting Person has the right to acquire upon the exercise of stock options exercisable within 60 days of November 20, 2025.

Remarks:

Exhibit 24.1 - Power of Attorney

	/s/ Shawna Bowin, Attorney-in-Fact for Brian Paul Schaffner	11/20/2025
	** 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 did Expion360 (XPON) report in this Form 4 filing?

Expion360 reported that director Brian Paul Schaffner received a grant of 100,000 restricted stock units (RSUs) of common stock on October 16, 2025 as part of his equity compensation.

How many Expion360 (XPON) shares does the reporting person beneficially own after the transaction?

Following the reported grant, Brian Paul Schaffner beneficially owns 160,493 shares, made up of 115,057 shares of common stock and 45,436 shares underlying stock options exercisable within 60 days of November 20, 2025.

What type of security was granted to the Expion360 (XPON) director?

The director received restricted stock units (RSUs) under Expion360’s 2021 Incentive Award Plan. Each RSU represents a contingent right to receive one share of common stock.

Did the Expion360 (XPON) RSUs vest immediately?

Yes. The filing states that the RSUs vested in full on October 16, 2025, meaning the director’s right to receive the underlying shares became fully earned on that date.

What was the purchase price for the Expion360 (XPON) RSUs reported?

The Form 4 shows the 100,000 RSUs as acquired at a price of $0.00 per share, which is typical for equity awards granted as compensation rather than bought in the market.

What additional Expion360 (XPON) equity is included in the director’s beneficial ownership?

Beneficial ownership includes 45,436 shares of common stock that the director has the right to acquire upon exercising stock options that are exercisable within 60 days of November 20, 2025.