[Form 4] AMPHENOL CORP /DE/ Insider Trading Activity

Rhea-AI Filing Summary

Amphenol (APH) insider transaction: An officer identified as President, CS Division reported an option exercise and same‑day sale on 10/29/2025. The filing shows an exercise of 80,000 stock options at an exercise price of $33.295 per share (code M), followed by an open market sale of 80,000 Class A Common shares (code S) at a $141.0366 weighted average price, with trades ranging from $141.00 to $141.1550.

Following these transactions, the filing lists 0 non‑derivative shares beneficially owned and 186,000 derivative securities (stock options) beneficially owned. The stock option series exercised was originally exercisable on 05/20/2022 and expires on 05/20/2031.

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^*

Doherty William J

(Last) (First) (Middle)

C/O AMPHENOL TCS

200 INNOVATIVE WAY, STE 201

(Street)

NASHUA NH 03062

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
AMPHENOL CORP /DE/ [ APH ]

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

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	President, CS Division

3. Date of Earliest Transaction (Month/Day/Year)
10/29/2025

4. If Amendment, Date of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

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
Class A Common Stock	10/29/2025		M		80,000	A	$33.295	80,000	D
Class A Common Stock	10/29/2025		S		80,000	D	$141.0366(1)(2)	0	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	$33.295	10/29/2025		M			80,000	05/20/2022	05/20/2031	Class A Common Stock	80,000	$0	186,000	D

Explanation of Responses:

1. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.

2. This transaction was executed in multiple trades ranging from $141.00 to $141.1550.

	/s/ Lance E. D'Amico, POA	10/30/2025
	** 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.

FAQ

What did Amphenol (APH) report in this Form 4?

An officer exercised 80,000 stock options at $33.295 and sold 80,000 shares at a weighted average of $141.0366 on 10/29/2025.

How many APH shares were sold and at what price?

The filing lists a sale of 80,000 shares at a weighted average price of $141.0366, with trades from $141.00 to $141.1550.

What is the officer’s beneficial ownership after the transactions?

The filing shows 0 non‑derivative shares and 186,000 derivative securities (stock options) beneficially owned following the reported transactions.

What were the terms of the exercised Amphenol stock options?

Exercise price was $33.295; the options became exercisable on 05/20/2022 and expire on 05/20/2031.

Who is the reporting person in relation to Amphenol (APH)?

The reporting person is an Officer, titled President, CS Division.

Did the Form 4 indicate Rule 10b5-1 plan use?

The form includes the checkbox reference, but the excerpt does not indicate it was checked.