APH insider files Form 144 after option exercise; prior sale of 199,848 shares

Rhea-AI Filing Summary

Form 144 notice for Amphenol Corporation (APH) reporting a proposed sale of 40,076 common shares through Morgan Stanley Smith Barney on the NYSE with an aggregate market value of $4,430,602.18. The filing shows those shares were acquired and paid for on 08/25/2025 via exercise of options under a registered plan and paid in cash. The form also discloses a prior sale by the same person, Craig Lampo, of 199,848 common shares on 08/22/2025 generating gross proceeds of $22,069,674.29. The filer certifies there is no undisclosed material adverse information and includes the standard Rule 144 and 10b5-1 representations.

Positive

• Disclosure compliance: Filing provides required Rule 144 information and includes representations about material information.
• Transaction clarity: Specifies acquisition method (option exercise), payment in cash, broker, and exchange.

Negative

• Insider sales of size: Proposed sale of 40,076 shares and prior sale of 199,848 shares may attract investor scrutiny.
• Concentration of recent sales: Two sizable sales within days could raise governance or signaling questions for some investors.

Insights

Financial Analyst

TL;DR: Insider sale following option exercise; size is notable but confined to a routine, Rule 144-compliant transaction.

The filing documents an insider executing options and proposing a Rule 144 sale of 40,076 shares valued at $4.43M, with a recent larger sale of 199,848 shares producing $22.07M in proceeds three days earlier. From a market-impact perspective, these sales represent insider liquidity rather than new issuance. They may be interpreted by investors as monetization of vested compensation rather than a signal about company fundamentals, but the size relative to outstanding shares (1,220,921,111 reported) is small. The filing includes the standard representation about absence of undisclosed material information.

Corporate Governance Expert

TL;DR: Transaction appears procedurally compliant; timely disclosure supports governance transparency.

The notice indicates the shares arose from option exercise under a registered plan and the sale is being routed through a major broker, with the filer affirming compliance with Rule 144 and referencing 10b5-1 planning language. The disclosure of a near-term prior sale by the same individual improves transparency. No departures from routine disclosure protocols are evident in the provided text.

Form 144 Filer Information	UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 144 NOTICE OF PROPOSED SALE OF SECURITIES PURSUANT TO RULE 144 UNDER THE SECURITIES ACT OF 1933
FORM 144

144: Filer Information

Filer CIK
Filer CCC
Is this a LIVE or TEST Filing?	LIVE TEST
Submission Contact Information
Name
Phone
E-Mail Address

144: Issuer Information

Name of Issuer

SEC File Number

Address of Issuer

Phone

Name of Person for Whose Account the Securities are To Be Sold

See the definition of "person" in paragraph (a) of Rule 144. Information is to be given not only as to the person for whose account the securities are to be sold but also as to all other persons included in that definition. In addition, information shall be given as to sales by all persons whose sales are required by paragraph (e) of Rule 144 to be aggregated with sales for the account of the person filing this notice.

Relationship to Issuer

144: Securities Information

Title of the Class of Securities To Be Sold	Name and Address of the Broker	Number of Shares or Other Units To Be Sold	Aggregate Market Value	Number of Shares or Other Units Outstanding	Approximate Date of Sale	Name the Securities Exchange
Common	Morgan Stanley Smith Barney LLC Executive Financial Services 1 New York Plaza 8th Floor New York NY 10004	40076	4430602.18	1220921111	08/25/2025	NYSE

Furnish the following information with respect to the acquisition of the securities to be sold and with respect to the payment of all or any part of the purchase price or other consideration therefor:

144: Securities To Be Sold

Title of the Class	Date you Acquired	Nature of Acquisition Transaction	Name of Person from Whom Acquired	Is this a Gift?	Date Donor Acquired	Amount of Securities Acquired	Date of Payment	Nature of Payment *
Common	08/25/2025	Exercise of options under a registered plan	Issuer			40076	08/25/2025	Cash

* If the securities were purchased and full payment therefor was not made in cash at the time of purchase, explain in the table or in a note thereto the nature of the consideration given. If the consideration consisted of any note or other obligation, or if payment was made in installments describe the arrangement and state when the note or other obligation was discharged in full or the last installment paid.

Furnish the following information as to all securities of the issuer sold during the past 3 months by the person for whose account the securities are to be sold.

144: Securities Sold During The Past 3 Months

Name and Address of Seller	Title of Securities Sold	Date of Sale	Amount of Securities Sold	Gross Proceeds
CRAIG LAMPO 358 Hall Avenue Wallingford CT 06492	Common	08/22/2025	199848	22069674.29

144: Remarks and Signature

Remarks

Date of Notice

ATTENTION:

The person for whose account the securities to which this notice relates are to be sold hereby represents by signing this notice that he does not know any material adverse information in regard to the current and prospective operations of the Issuer of the securities to be sold which has not been publicly disclosed. If such person has adopted a written trading plan or given trading instructions to satisfy Rule 10b5-1 under the Exchange Act, by signing the form and indicating the date that the plan was adopted or the instruction given, that person makes such representation as of the plan adoption or instruction date.

Signature

ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)

FAQ

What does Amphenol (APH) Form 144 filed on 08/25/2025 report?

It reports a proposed sale of 40,076 common shares through Morgan Stanley Smith Barney on the NYSE with aggregate market value $4,430,602.18, acquired and paid for on 08/25/2025 via option exercise.

Who sold shares according to this Form 144 for APH?

The filing identifies Craig Lampo as a recent seller; the notice lists a prior sale by him of 199,848 shares on 08/22/2025 with gross proceeds of $22,069,674.29.

How were the 40,076 shares acquired before the proposed sale?

The shares were acquired on 08/25/2025 by exercise of options under a registered plan and payment was made in cash.

Through which broker and exchange will the proposed APH sale occur?

The proposed sale is through Morgan Stanley Smith Barney LLC on the NYSE.

Does the filer assert there is undisclosed material information?

No. The filer represents by signature that they do not know any material adverse information about the issuer that is not publicly disclosed.