Omnitek Engineering director reports option disposals

The option records each cover 50,000 common shares, and Palumbo's direct common-stock holding is listed at 149,820 shares.

Rhea-AI Filing Summary

John M. Palumbo reported disposition transactions in this Form 4 filing. John M. Palumbo, a director of Omnitek Engineering Corp (OMTK), reported disposal of six stock-option positions through expiration or cancellation on September 29, 2026. Each position covered 50,000 common shares; the records list per-share figures of 0.0600, 0.1050, 0.0531, 0.0361, 0.0160 and 0.0200. The form also lists 149,820 common shares held directly. No Rule 10b5-1 plan is reported.

Insider Trade Summary

Derivative Expiration/Cancellation: 300,000 shares

Derivative Expiration/Cancellation 7 txns

Insider PALUMBO JOHN M

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	--	--	--

Holdings After Transaction: Stock Option — 0 contracts (Direct); Common Stock — 149,820 shares (Direct)

Key Figures

Underlying common shares per option record: 50,000 shares Reported per-share figure: 0.0600 per share Reported per-share figure: 0.1050 per share +5 more

8 metrics

Underlying common shares per option record 50,000 shares Each of six option records dated September 29, 2026

Reported per-share figure 0.0600 per share Option record with expiration date March 26, 2027

Reported per-share figure 0.1050 per share Option record with expiration date March 9, 2028

Reported per-share figure 0.0531 per share Option record with expiration date April 17, 2029

Reported per-share figure 0.0361 per share Option record with expiration date April 17, 2030

Reported per-share figure 0.0160 per share Option record with expiration date April 23, 2031

Reported per-share figure 0.0200 per share Option record with expiration date April 23, 2032

Common shares held directly 149,820 shares Holding listed for September 29, 2026

Key Terms

Stock Option, derivative position, expiration or cancellation

3 terms

Stock Option technical

"six Stock Option positions"

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.

derivative position technical

"long derivative position with value received"

A derivative position is an investor’s current holding in one or more financial contracts whose value is derived from an underlying asset, index, interest rate, or credit instrument — for example options, futures, or swaps. It matters because derivative positions can change an investor’s exposure, risk, and potential obligations without owning the underlying asset, like using a levered or insurance-like tool; they affect margin, cash flow and the overall risk profile of a portfolio.

expiration or cancellation technical

"expiration or cancellation of long derivative position"

FAQ

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

What OMTK option activity did director John M. Palumbo report?

He reported expiration or cancellation of six stock-option positions on September 29, 2026, each covering 50,000 common shares; no Rule 10b5-1 plan is reported.

What per-share figures and expiration dates were listed for John M. Palumbo's OMTK options?

The records pair 0.0600 per share with March 26, 2027; 0.1050 with March 9, 2028; 0.0531 with April 17, 2029; 0.0361 with April 17, 2030; 0.0160 with April 23, 2031; and 0.0200 with April 23, 2032.

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

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Available on EDGAR 10/05/2026 - 04:50 PM Accepted by SEC EDGAR 10/05/2026 - 04:50 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^*

PALUMBO JOHN M

(Last) (First) (Middle)

(Street)

(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								149,820	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	04/23/2031	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:

	John M. Palumbo	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)