[144] Corning Incorporated SEC Filing

Rhea-AI Filing Summary

Corning Inc. (GLW) – Form 144 filing

An insider has notified the SEC of an intent to sell up to 36,240 common shares through UBS Financial Services on 30 Jul 2025 under Rule 144. The shares come from six restricted-stock releases completed between Apr 2021 and Aug 2024 plus a 21,240-share option exercise scheduled for the sale date. The filing cites an aggregate market value of ≈ $2.26 million. Corning lists 856.5 million shares outstanding, so the proposed sale equals roughly 0.004 % of total shares, indicating minimal dilution or governance impact.

No other insider sales were reported during the past three months. The filer certifies possession of no undisclosed adverse information and may be acting under a Rule 10b5-1 trading plan. While insider selling can draw investor attention, the scale here is immaterial to Corning’s capital structure and should not affect fundamental valuation.

Positive

• None.

Negative

• Insider plans to sell 36,240 shares, which some investors may view as a modest negative signal despite the sale’s immaterial size.

Insights

Securities Analyst

TL;DR: Small insider sale (36k shares, 0.004 % float); immaterial to GLW fundamentals—neutral signal.

The Form 144 discloses a prospective sale worth about $2.3 million, negligible relative to Corning’s $30 bn-plus market cap. The shares stem largely from routine restricted-stock vesting and a contemporaneous option exercise, suggesting standard liquidity management rather than negative insider sentiment. Absence of recent sales and the Rule 10b5-1 certification further reduce the risk of informational asymmetry. Overall, I view the disclosure as non-impactful for valuation or trading dynamics.

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	UBS Financial Services Inc 1000 Harbor Blvd 3rd Floor Weehawken NJ 07086	36240	2256330	856471447	07/30/2025	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	04/15/2021	restricted stock release	issuer			4122	04/15/2021	n/a
common	05/15/2021	restricted stock release	issuer			2457	05/15/2021	n/a
common	05/15/2022	restricted stock release	issuer			2279	05/15/2022	n/a
common	04/14/2023	restricted stock release	issuer			4226	04/14/2023	n/a
common	08/08/2024	restricted stock release	issuer			1916	08/08/2024	n/a
common	07/30/2025	stock option exercise	issuer			21240	07/30/2025	n/a

* 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

Nothing to Report

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

How many Corning (GLW) shares are being sold under this Form 144?

The notice covers up to 36,240 common shares.

What percentage of Corning’s outstanding shares does the sale represent?

Approximately 0.004 % of the reported 856.5 million shares outstanding.

When is the planned sale date for the GLW shares?

The filing lists an approximate sale date of 30 July 2025.

What is the estimated market value of the planned insider sale?

The aggregate market value stated in the filing is about $2.26 million.

Does the Form 144 indicate any recent insider sales in the past three months?

No; the filer reported nothing to disclose for the prior three-month period.

Which broker will handle the sale of the GLW shares?

The shares are to be sold through UBS Financial Services Inc., Weehawken, NJ.