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

Rhea-AI Filing Summary

Amphenol Corporation senior vice president and chief financial officer Craig A. Lampo reported an internal reallocation of his holdings in the company’s Class A common stock. On 12/03/2025, he transferred 70,000 shares in a transaction coded "G" (a gift or similar transfer), moving them out of his direct ownership at a stated price of $0 per share. The same number of shares, 70,000, then appeared as indirectly owned through the "Craig A. Lampo 2025 GRAT #2," indicating the shares were placed into a grantor retained annuity trust. After these transactions, Lampo continued to hold additional Amphenol Class A shares indirectly through several trusts, including 2025 GRAT #1, 2024 GRAT #1, 2024 GRAT #2, and the Lampo Family Trust.

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

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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^*

Lampo Craig A

(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)
	SR VP & CFO

3. Date of Earliest Transaction (Month/Day/Year)
12/03/2025

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	12/03/2025		G		70,000	D	$0	57,695	D
Class A Common Stock	12/03/2025		G		70,000	A	$0	70,000	I	By Craig A. Lampo 2025 GRAT #2
Class A Common Stock								58,116	I	By Craig A. Lampo 2025 GRAT #1
Class A Common Stock								74,305	I	By Craig A. Lampo 2024 GRAT #1
Class A Common Stock								160,000	I	By Craig A. Lampo 2024 GRAT #2
Class A Common Stock								39,884	I	By Lampo Family Trust

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:

	/s/ Lance E. D'Amico, POA	12/04/2025
	** 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).
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