144: Issuer Information

Name of Issuer

Claritev Corp

SEC File Number

001-39228

Address of Issuer

7900 Tysons One Place
Suite 400
McLean
VIRGINIA
22102

Phone

866-909-7427

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

Michael Stuart Klein

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

Other (1)

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

Class A Common Stock

NewEdge Capital Group
1251 Waterfront Place
Suite 510
Pittsburgh PA 15222

5500

130625.00

17074785

11/10/2026

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 *

Class A common stock

11/17/2020

(3)

2622711

11/17/2020

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

Nothing to Report

144: Remarks and Signature

Remarks

(1) The shares of Class A common stock reported in this Form 144 were sold by M. Klein and Company LLC, which may be deemed an affiliate of the Issuer based on its relationship with the Reporting Person, who is a director of the Issuer. (2) The Number of Shares Outstanding is based on the number of shares of Common Stock outstanding as of November 2, 2026, as reported by the issuer in its most recent 10-Q filing, which was filed with the Commission on November 9, 2026. (3) M. Klein and Company LLC purchased 2,622,711 shares of Class A common stock of the Issuer in multiple open market and privately negotiated transactions and between October 8, 2020 and November 17, 2020. The Issuer completed a 1-for-40 reverse stock split of its Class A common stock on September 20, 2024.

Date of Notice

11/10/2026

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

/s/ Michael Stuart Klein

144: Filer Information