Insider sale: COR (NYSE: COR) holder plans 5,096-share transaction

Rhea-AI Filing Summary

Form 144 reports a planned insider sale of 5,096 common shares through Fidelity Brokerage Services LLC on the NYSE around 01/20/2026. The planned sale has an aggregate market value of 1,807,704.08 based on the filer’s calculation, compared with 193,993,444 common shares outstanding. The shares to be sold come from 1,333 shares acquired via restricted stock vesting on 11/09/2024 as compensation and 3,763 shares acquired on 01/20/2026 from options originally granted on 11/13/2019 and paid for in cash.

Over the prior three months, Robert Mauch has sold common shares of the same issuer in three transactions: 5,097 shares on 10/20/2025 for gross proceeds of 1,665,699.60, 5,096 shares on 11/18/2025 for 1,868,397.44, and 5,096 shares on 12/18/2025 for 1,750,221.20. The signer represents that they are not aware of any undisclosed material adverse information about the issuer’s current or prospective operations.

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

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	Fidelity Brokerage Services LLC 900 Salem Street Smithfield RI 02917	5096	1807704.08	193993444	01/20/2026	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	11/09/2024	Restricted Stock Vesting	Issuer			1333	11/09/2024	Compensation
Common	01/20/2026	Options Granted - 11/13/2019	Issuer			3763	01/20/2026	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
Robert Mauch 1 West First Avenue Conshohocken PA 19428-1800	Common	10/20/2025	5097	1665699.60
Robert Mauch 1 West First Avenue Conshohocken PA 19428-1800	Common	11/18/2025	5096	1868397.44
Robert Mauch 1 West First Avenue Conshohocken PA 19428-1800	Common	12/18/2025	5096	1750221.20

144: Remarks and Signature

Remarks

Date of Notice

Date of Plan Adoption or Giving of Instruction, If Relying on Rule 10b5-1

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 shares are being proposed for sale in this COR Form 144?

The notice covers a planned sale of 5,096 common shares, to be sold through Fidelity Brokerage Services LLC on the NYSE around 01/20/2026, with an indicated aggregate market value of 1,807,704.08.

What is the source of the COR shares being sold under this Form 144?

Of the 5,096 common shares to be sold, 1,333 shares were acquired on 11/09/2024 via restricted stock vesting as compensation from the issuer, and 3,763 shares were acquired on 01/20/2026 from options granted on 11/13/2019, paid for in cash.

How many COR shares are outstanding compared to the amount being sold?

The filing states that there are 193,993,444 common shares outstanding, compared to the 5,096 shares covered by this planned sale under Form 144.

What COR stock sales has Robert Mauch made in the last three months?

During the past three months, Robert Mauch sold common shares in three transactions: 5,097 shares on 10/20/2025 for gross proceeds of 1,665,699.60, 5,096 shares on 11/18/2025 for 1,868,397.44, and 5,096 shares on 12/18/2025 for 1,750,221.20.

Which broker and exchange are involved in this planned COR share sale?

The planned sale of 5,096 common shares is to be executed through Fidelity Brokerage Services LLC, with trading on the NYSE as named in the filing.

What representation does the seller make about inside information in this Form 144?

By signing the notice, the person for whose account the securities are to be sold represents that they do not know any material adverse information about the issuer’s current or prospective operations that has not been publicly disclosed.