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

Rhea-AI Filing Summary

Amphenol (APH) reported insider transactions by its HES Division President on 10/24/2025. The officer exercised stock options for 212,800 shares at $33.295 and 152,318 shares at $43.25, then sold the same amounts—212,800 and 152,318 shares—at a weighted average price of $134.6508.

The filing notes the sale price was executed in multiple trades ranging from $133.5000 to $136.8375. In addition, 80,000 shares were reported as gifted, with a closing price on the gift date of $133.82. Following these transactions, the officer directly beneficially owned 353,742 shares. Remaining option balances after the exercises were shown in Table II.

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

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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^*

WALTER LUC

(Last) (First) (Middle)

C/O AMPHENOL CORPORATION

358 HALL AVENUE

(Street)

WALLINGFORD CT 06492

(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, HES Division

3. Date of Earliest Transaction (Month/Day/Year)
10/24/2025

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	10/24/2025		M		212,800	A	$33.295	646,542	D
Class A Common Stock	10/24/2025		S		212,800	D	$134.6508(1)(2)	433,742	D
Class A Common Stock	10/24/2025		M		152,318	A	$43.25	586,060	D
Class A Common Stock	10/24/2025		S		152,318	D	$134.6508(1)(2)	433,742	D
Class A Common Stock	10/24/2025		G		80,000	D	(3)	353,742	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	10/24/2025		M			212,800	05/20/2022	05/20/2031	Class A Common Stock	212,800	$0	53,200	D
Stock Option	$43.25	10/24/2025		M			152,318	01/03/2023	01/03/2032	Class A Common Stock	152,318	$0	101,546	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 at prices ranging from $133.5000 to $136.8375.

3. Closing price on date shares were gifted was $133.82.

	/s/ Lance E. D'Amico, POA	10/27/2025
	** 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 insider transactions did APH report on 10/24/2025?

An officer exercised options for 212,800 shares at $33.295 and 152,318 shares at $43.25, then sold the same total shares at a weighted average of $134.6508.

At what prices were APH shares sold in the reported trades?

The weighted average sale price was $134.6508, with trade prices ranging from $133.5000 to $136.8375.

How many APH shares did the reporting person gift?

The filing reports a gift of 80,000 shares; the closing price on the gift date was $133.82.

How many APH shares does the officer own after these transactions?

Direct beneficial ownership after the reported transactions is 353,742 shares.

What were the option exercise prices shown in Table II?

Stock options were exercised at $33.295 (for 212,800 shares) and $43.25 (for 152,318 shares).

What do the Form 4 transaction codes M, S, and G indicate for APH?

M = option exercise, S = sale, G = gift, as used for the reported transactions.