Ampco Pittsburgh (AP) president sells 9,500 shares, retains holdings

Rhea-AI Filing Summary

Ampco Pittsburgh Corp executive Samuel Lyon, President of Union Electric, reported an open-market sale of 9,500 shares of Common Stock on June 25, 2026 at an average price of $9.8176 per share. Following this transaction, he directly holds 181,233 shares of the company’s stock.

Insider Trade Summary

Net Seller: 9,500 shares ($93,267)

Net Sell 1 txn

Insider Lyon Samuel

Role President of Union Electric

Sold 9,500 shs ($93K)

Type	Security	Shares	Price	Value
Sale	Common Stock	9,500	$9.8176	$93K

Holdings After Transaction: Common Stock — 181,233 shares (Direct, null)

Footnotes (1)

Key Figures

Shares sold: 9,500 shares Sale price: $9.8176 per share Shares held after: 181,233 shares +2 more

5 metrics

Shares sold 9,500 shares Open-market sale on June 25, 2026

Sale price $9.8176 per share Average price for the 9,500 shares sold

Shares held after 181,233 shares Direct ownership following the reported sale

Transaction code S Sale in open market or private transaction

Net share change -9,500 shares Net selling activity in this Form 4

Key Terms

Common Stock, open-market sale, Form 4, transaction code

4 terms

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.

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.

Form 4 regulatory

"INSIDER FILING DATA (Form 4)"

Form 4 is a official document that company insiders, such as executives or major shareholders, file with regulators whenever they buy or sell company shares. It provides transparency about how those with inside knowledge are trading, helping investors see if insiders are confident in the company's prospects or may be selling for personal reasons. This information can influence investor decisions by revealing insiders' perspectives on the company's value.

transaction code regulatory

"transaction_code_description: "Sale in open market or private transaction""

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Form 4 Insider Transactions: What Each Field Means →

Available on EDGAR 06/26/2026 - 01:19 PM Accepted by SEC EDGAR 06/26/2026 - 01:18 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^*

Lyon Samuel

(Last) (First) (Middle)

726 BELL AVENUE

SUITE 301

(Street)

CARNEGIE PENNSYLVANIA 15106

(City) (State) (Zip)

UNITED STATES

(Country)

2. Issuer Name and Ticker or Trading Symbol
AMPCO PITTSBURGH CORP [ AP ]

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

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	President of Union Electric

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
06/25/2026

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	06/25/2026		S		9,500	D	$9.8176	181,233	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:

	Kimberly P. Knox, attorney-in-fact	06/26/2026
	** 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 Ampco Pittsburgh (AP) report for Samuel Lyon?

Ampco Pittsburgh reported that executive Samuel Lyon sold 9,500 shares of Common Stock in an open-market transaction. The sale was recorded on June 25, 2026, and was disclosed in a Form 4 insider trading report filed with regulators.

How many Ampco Pittsburgh (AP) shares did Samuel Lyon sell and at what price?

Samuel Lyon sold 9,500 shares of Ampco Pittsburgh Common Stock at an average price of $9.8176 per share. This was an open-market sale and provides a precise view of the transaction size and execution price reported in the Form 4.

How many Ampco Pittsburgh (AP) shares does Samuel Lyon hold after the sale?

After the June 25, 2026 transaction, Samuel Lyon directly holds 181,233 shares of Ampco Pittsburgh Common Stock. This post-transaction balance shows he retains a substantial equity position in the company following the reported open-market sale.

What role does Samuel Lyon hold at Ampco Pittsburgh (AP)?

Samuel Lyon serves as President of Union Electric, a position identified in the Form 4 as an officer role at Ampco Pittsburgh. This makes his stock transactions subject to insider reporting requirements as a company officer under applicable securities regulations.

Was Samuel Lyon’s Ampco Pittsburgh (AP) trade a buy or a sell?

The Form 4 classifies Samuel Lyon’s transaction as a sale, using code “S” for an open-market or private sale. The filing also labels the transaction direction as “sell,” confirming it reduced his shareholdings rather than increasing them.