Omnitek director Maier reports expired or cancelled options

A listed direct common-stock holding after the transactions was 121,500 shares, including 10,000 shares owned by the director’s spouse.

Rhea-AI Filing Summary

Gary S. Maier reported disposition transactions in this Form 4 filing. Omnitek Engineering Corp (OMTK) director Gary S. Maier reported the expiration or cancellation for value received of six directly held stock-option positions on September 29, 2026. Each covered 50,000 common shares; the reported per-share amounts were $0.0600, $0.1050, $0.0531, $0.0361, $0.0160 and $0.0200. No Rule 10b5-1 plan is reported.

Insider Trade Summary

Derivative Expiration/Cancellation: 300,000 shares

Derivative Expiration/Cancellation 7 txns

Insider Maier Gary S

Role Director

Type	Security	Shares	Price	Value
Derivative Expiration/Cancellation	Stock Option	50,000	$0.06	$3K
Derivative Expiration/Cancellation	Stock Option	50,000	$0.105	$5K
Derivative Expiration/Cancellation	Stock Option	50,000	$0.0531	$3K
Derivative Expiration/Cancellation	Stock Option	50,000	$0.0361	$2K
Derivative Expiration/Cancellation	Stock Option	50,000	$0.016	$800.00
Derivative Expiration/Cancellation	Stock Option	50,000	$0.02	$1K
holding	Common Stock F1	--	--	--

Holdings After Transaction: Stock Option — 0 contracts (Direct); Common Stock — 121,500 shares (Direct)

Footnotes (1)

1. F1. Includes 10,000 shares owned by Mr. Maier's spouse.

Key Figures

Shares covered per option position: 50,000 shares Reported per-share amount: $0.0600 per share Reported per-share amount: $0.1050 per share +5 more

8 metrics

Shares covered per option position 50,000 shares Each of the six option positions reported on September 29, 2026

Reported per-share amount $0.0600 per share Option expiration date March 26, 2027

Reported per-share amount $0.1050 per share Option expiration date March 9, 2028

Reported per-share amount $0.0531 per share Option expiration date April 17, 2029

Reported per-share amount $0.0361 per share Option expiration date April 17, 2030

Reported per-share amount $0.0160 per share Option expiration date April 24, 2031

Reported per-share amount $0.0200 per share Option expiration date April 23, 2032

Direct common-stock holding 121,500 shares Listed after the transactions; includes 10,000 shares owned by Mr. Maier’s spouse

Key Terms

Stock Option, long derivative position, Common stock

3 terms

Stock Option financial

"the six option positions reported for September 29, 2026"

A stock option is a contract that gives you the right to buy or sell a company's stock at a specific price within a certain time frame. People use them to potentially make money if the stock's price moves favorably or to protect against losses. It's like holding a coupon that can be used to buy or sell stock at a set price later on.

long derivative position financial

"positions reported as cancelled or expired for value received"

Common stock financial

"the shares covered by each option position"

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.

FAQ

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

What per-share amounts were reported for OMTK director Gary S. Maier’s options?

Six directly held option positions, each covering 50,000 common shares, were reported as expired or cancelled for value received on September 29, 2026. Their reported per-share amounts and expiration dates were $0.0600 (March 26, 2027), $0.1050 (March 9, 2028), $0.0531 (April 17, 2029), $0.0361 (April 17, 2030), $0.0160 (April 24, 2031), and $0.0200 (April 23, 2032). No Rule 10b5-1 plan is reported.

How many OMTK common shares were listed after Gary S. Maier’s transactions?

The listed direct common-stock holding after the transactions was 121,500 shares, including 10,000 shares owned by Mr. Maier’s spouse.

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

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Available on EDGAR 10/05/2026 - 04:31 PM Accepted by SEC EDGAR 10/05/2026 - 04:30 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^*

Maier Gary S

(Last) (First) (Middle)

815 MORAGA DRIVE

SUITE 306

(Street)

LOS ANGELES CALIFORNIA 90049

(City) (State) (Zip)

UNITED STATES

(Country)

2. Issuer Name and Ticker or Trading Symbol
Omnitek Engineering Corp [ OMTK ]

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)
09/29/2026

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								121,500(1)	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
Stock Option	$0.06	09/29/2026	09/29/2026	H			50,000	03/27/2020	03/26/2027	Common stock	50,000	$0.06	0	D
Stock Option	$0.105	09/29/2026	09/29/2026	H			50,000	03/10/2021	03/09/2028	Common Stock	50,000	$0.105	0	D
Stock Option	$0.0531	09/29/2026	09/29/2026	H			50,000	04/18/2022	04/17/2029	Common stock	50,000	$0.0531	0	D
Stock Option	$0.0361	09/29/2026	09/29/2026	H			50,000	04/18/2023	04/17/2030	Common stock	50,000	$0.0361	0	D
Stock Option	$0.016	09/29/2026	09/29/2026	H			50,000	04/25/2024	04/24/2031	Common stock	50,000	$0.016	0	D
Stock Option	$0.02	09/29/2026	09/29/2026	H			50,000	04/24/2025	04/23/2032	Common stock	50,000	$0.02	0	D

Explanation of Responses:

1. Includes 10,000 shares owned by Mr. Maier's spouse.

	Gary S. Maier	10/05/2026
	** 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)