AmpliTech (AMPG) director sells 10,000 shares in open-market trade

Rhea-AI Filing Summary

AmpliTech Group director Daniel Richard Mazziota sold shares in the company. On May 22, 2026, he executed an open-market sale of 10,000 shares of AmpliTech Group common stock at a weighted average price of $4.9537 per share, with individual trade prices ranging from $4.95 to $4.955. After this transaction, he directly held 254,900 shares of common stock.

Insider Trade Summary

Net Seller: 10,000 shares ($49,537)

Net Sell 1 txn

Insider Mazziota Daniel Richard

Role null

Sold 10,000 shs ($50K)

Type	Security	Shares	Price	Value
Sale	Common Stock	10,000	$4.9537	$50K

Holdings After Transaction: Common Stock — 254,900 shares (Direct, null)

Footnotes (1)

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Key Figures

Shares sold: 10,000 shares Weighted average sale price: $4.9537 per share Post-transaction holdings: 254,900 shares +1 more

4 metrics

Shares sold 10,000 shares Open-market sale on May 22, 2026

Weighted average sale price $4.9537 per share Common stock sale on May 22, 2026

Post-transaction holdings 254,900 shares Direct ownership after sale

Sale price range $4.95–$4.955 per share Range of trade prices in the transaction

Key Terms

open-market sale, weighted average price, Common Stock, Securities and Exchange Commission

4 terms

open-market sale financial

"transaction_action: "open-market sale""

An open-market sale is when a shareholder sells existing shares directly on a public exchange to any willing buyer, rather than through a private deal. Think of it like putting goods on a busy market stall where price is set by supply and demand; for investors it matters because such sales increase available supply, can put short-term downward pressure on the stock price, and signal changes in liquidity or investor confidence.

weighted average price financial

"The price reported in Column 4 is a weighted average price."

Weighted average price is the average price of a security where each trade or component is counted according to its size, so bigger trades pull the average more than smaller ones. Think of it like calculating the average cost of a grocery haul where items you bought more of have greater influence on the final per-item cost. Investors use it to understand the true average price paid or received, judge execution quality, and compare trading performance against market movement.

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.

Securities and Exchange Commission regulatory

"Upon request by the Securities and Exchange Commission staff, the Issuer..."

A national government agency that enforces rules for buying, selling and disclosing information about stocks and other investments, acting like a referee and scorekeeper for financial markets. It requires companies to share clear, regular financial and business information and investigates fraud or rule-breaking, which matters to investors because those rules and disclosures help ensure fair prices, reduce hidden risks and make it easier to compare investment choices.

Form 4 Insider Transactions: What Each Field Means →

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^*

Mazziota Daniel Richard

(Last) (First) (Middle)

C/O AMPLITECH GROUP, INC

155 PLANT AVENUE

(Street)

HAUPPAUGE, NEW YORK 11788

(City) (State) (Zip)

UNITED STATES

(Country)

2. Issuer Name and Ticker or Trading Symbol
AmpliTech Group, Inc. [ AMPG ]

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)
05/22/2026

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	05/22/2026		S		10,000	D	$4.9537(1)	254,900	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. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $4.95 to $4.955, inclusive. Upon request by the Securities and Exchange Commission staff, the Issuer, or a security holder of the Issuer, the Reporting Person will provide full information regarding the number of shares sold at each separate transaction.

	/s/ Daniel Richard Mazziota	05/26/2026
	** 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 AmpliTech Group (AMPG) report for Daniel Richard Mazziota?

AmpliTech Group reported that director Daniel Richard Mazziota sold 10,000 shares of common stock. The open-market transaction occurred on May 22, 2026, and was disclosed as a routine Form 4 filing with detailed pricing information and updated post-transaction holdings.

How many AmpliTech (AMPG) shares did Daniel Richard Mazziota sell and at what price?

Daniel Richard Mazziota sold 10,000 AmpliTech common shares in an open-market transaction. The weighted average sale price was $4.9537 per share, with individual trades executed in a narrow price range between $4.95 and $4.955, as disclosed in the filing footnote.

How many AmpliTech Group (AMPG) shares does Daniel Richard Mazziota hold after the sale?

After the reported sale, Daniel Richard Mazziota directly holds 254,900 shares of AmpliTech Group common stock. This post-transaction ownership figure comes from the Form 4 and reflects his remaining direct stake following the 10,000-share open-market disposition.

Was the AmpliTech (AMPG) insider sale by Daniel Richard Mazziota executed in a single trade?

The sale was not a single trade; it consisted of multiple transactions. The filing states the 10,000 shares were sold at prices ranging from $4.95 to $4.955, with $4.9537 disclosed as the weighted average sale price across those individual trades.

What does the Form 4 footnote reveal about AmpliTech (AMPG) director Mazziota’s share sale?

The footnote explains that the reported price is a weighted average of several trades between $4.95 and $4.955. It also notes that, upon request, full details of the number of shares sold at each separate transaction price will be provided to regulators or shareholders.