Ampco Pittsburgh (AP) president reports small open-market stock sale

Rhea-AI Filing Summary

AMPCO PITTSBURGH CORP President of Union Electric Samuel Lyon reported a small open-market sale of company stock. He sold 547 shares of Common Stock at $11.30 per share in an open-market transaction. After this sale, he directly holds 190,733 shares, so the trade represents only a small portion of his overall position.

Insider Trade Summary

Net Seller: 547 shares ($6,181)

Net Sell 1 txn

Insider Lyon Samuel

Role President of Union Electric

Sold 547 shs ($6K)

Type	Security	Shares	Price	Value
Sale	Common Stock	547	$11.30	$6K

Holdings After Transaction: Common Stock — 190,733 shares (Direct, null)

Footnotes (1)

Key Figures

Shares sold: 547 shares Sale price: $11.30 per share Shares held after sale: 190,733 shares +1 more

4 metrics

Shares sold 547 shares Open-market sale of Common Stock

Sale price $11.30 per share Price for 547-share sale

Shares held after sale 190,733 shares Direct ownership following transaction

Net shares sold 547 shares Net-selling direction on Form 4 summary

Key Terms

Common Stock, open-market sale, Form 4, non-derivative

4 terms

Common Stock financial

"He sold 547 shares of Common Stock at $11.30 per share"

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

"It was coded as an open-market sale of 547 shares"

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

"The sale was an open-market transaction at $11.30 per share, reported on a Form 4 insider filing"

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.

non-derivative financial

"The filing reported only a single non-derivative open-market sale of Common Stock"

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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^*

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)
06/18/2026

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	06/18/2026		S		547	D	$11.3	190,733	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	06/22/2026
	** 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) disclose for Samuel Lyon?

AMPCO PITTSBURGH disclosed that Samuel Lyon, President of Union Electric, sold 547 shares of Common Stock. The sale was an open-market transaction at $11.30 per share, reported on a Form 4 insider filing.

At what price did Samuel Lyon sell AMPCO PITTSBURGH (AP) shares?

Samuel Lyon sold his AMPCO PITTSBURGH Common Stock at $11.30 per share. This price reflects the execution level for the 547 shares sold in the reported open-market transaction on the Form 4.

How many AMPCO PITTSBURGH (AP) shares does Samuel Lyon hold after the sale?

Following the transaction, Samuel Lyon directly holds 190,733 shares of AMPCO PITTSBURGH Common Stock. This post-transaction figure shows he retained the vast majority of his position after selling 547 shares.

Was Samuel Lyon’s AMPCO PITTSBURGH (AP) trade a buy or a sell?

The Form 4 shows Samuel Lyon executed a sell transaction. It was coded as an open-market sale of 547 shares of Common Stock, rather than a purchase, grant, or option exercise.

Did the AMPCO PITTSBURGH (AP) Form 4 include any derivative transactions?

The Form 4 did not show any derivative security activity for Samuel Lyon. The filing reported only a single non-derivative open-market sale of Common Stock, with no option exercises or other derivative movements listed.