Key facts
- This page summarizes Martin H. Loeffler's Form 4 filing for AMPHENOL CORP /DE/ (APH).
- 1 reported transaction and 0 derivative rows are listed below.
- Accepted by SEC: 11 Dec 2025, 16:01.
Martin H. Loeffler - 10 Dec 2025 Form 4 Insider Report for AMPHENOL CORP /DE/ (APH)
- Reporting relationship
- Director
- Issuer ticker
- APH
- Reported as of
- 10 Dec 2025
- Net transaction value
- $0
- SEC form
- 4
- Accepted by SEC
- 11 Dec 2025, 16:01:10 UTC
- Prior SEC filing
- 19 May 2025
- Source filing
- View source filing
- Reporting owner signature
- /s/ Lance E. D'Amico, POA
Source evidence
Original filing metadata and source links for verification.
4 source fields
Reporting owner
1 detail
Key filing fact
Martin H. Loeffler filed Form 4 for AMPHENOL CORP /DE/ (APH) on 11 Dec 2025.
Change
- Previous filing in this sequence was filed on 19 May 2025.
- Current net transaction value: $0.
Research use
- This tells you what this filing adds before you inspect full transaction and derivative tables.
- You can trace every row back to the original SEC filing document.
Evidence
Filed on Form 4
View source filing
Ownership activity is grounded in SEC Form 4 disclosures.
Reporting Owners (1)
CIK 0001259705
Primary reporting owner
LOEFFLER MARTIN H
- Relationship
- Director
- Address
- C/O AMPHENOL CORPORATION, 358 HALL AVENUE, WALLINGFORD
- Signature
- /s/ Lance E. D'Amico, POA
- Signature date
- 11 Dec 2025
Reported non-derivative transactions
Shares, units, or other non-derivative securities reported in this filing.
APH
transaction
Class A Common Stock
Gift
- Transaction value
- Shares
- -3,228
- Change %
- -0.24%
- Price
- Shares after
- 1,333,146
- Date
- 10 Dec 2025
- Ownership
- By Revocable Trust
- Footnotes
- F1, F2
APH
holding
Restricted Stock
No transaction description listed
- Transaction value
- Shares
- Change %
- Price
- Shares after
- 2,360
- Date
- 10 Dec 2025
- Ownership
- Direct
- Footnotes
- F3
* marks a reported price that did not pass the local price check.
Additional SEC filing notes
Filing notes and footnotes
Explanation of responses 3 footnotes
Footnote F1
Closing price on date shares were gifted was $138.68.
Footnote F2
On May 20, 2025, the reporting person transferred 2,730 shares to Revocable Trust.
Footnote F3
Stock awards granted pursuant to the terms of the 2024 Restricted Stock Plan for Directors of Amphenol Corporation.