PJT Partners (NYSE: PJT) director to sell 1,723 shares of stock

Rhea-AI Filing Summary

PJT Partners Inc. (PJT) is the issuer of common stock that director James Costos plans to sell under Rule 144. The notice covers 1,723 shares of common stock with an indicated market value of $301,525.00, to be sold through Morgan Stanley Smith Barney LLC on the NYSE on or about 08/21/2026. These shares were acquired from PJT Partners Inc. as restricted stock vesting under a registered plan on 06/01/2025 as compensation for services rendered.

Key Figures

Shares to be sold: 1,723 shares of common stock Aggregate market value: $301,525.00 Planned sale date: 08/21/2026 +2 more

5 metrics

Shares to be sold 1,723 shares of common stock Amount of PJT Partners Inc. common stock listed in the Form 144

Aggregate market value $301,525.00 Market value associated with the 1,723 shares to be sold

Planned sale date 08/21/2026 Date associated with the proposed NYSE sale of the shares

Acquisition date 06/01/2025 Date the restricted stock vested under a registered plan

Number of securities to be sold (Securities To Be Sold section) 1,723 shares Quantity listed in the Securities To Be Sold section of the notice

Key Terms

Rule 144, restricted stock, registered plan, services rendered

4 terms

Rule 144 regulatory

"See the definition of "person" in paragraph (a) of Rule 144."

Rule 144 is a U.S. securities regulation that sets conditions under which restricted or insider-held shares can be legally resold to the public, such as required holding periods, availability of public information, limits on how much can be sold at once, and certain filing requirements. For investors it matters because it determines when previously locked-up shares can enter the market — like a release valve that can increase supply, affect share price, and signal insider intent.

restricted stock financial

"Restricted Stock Vesting Under a Registered Plan"

Shares granted to an individual that carry limits on transfer or sale until certain conditions are met, such as staying with the company for a set time or hitting performance targets. Think of them as a locked gift that gradually opens; for investors they matter because they affect how many shares may enter the market later, signal management incentives and potential dilution, and reveal confidence in future company performance.

registered plan financial

"Restricted Stock Vesting Under a Registered Plan"

A registered plan is a savings or investment account that a government recognizes for special tax treatment and rules, such as limits on how much you can put in and conditions for withdrawals. For investors it matters because those rules change how much of your gains are taxed, how quickly your money can be accessed and what strategies make sense — like a labeled jar that gives tax breaks but comes with rules about when and how you can take the money out.

services rendered financial

"1723 | 06/01/2025 | Services Rendered"

FAQ

What does the Form 144 filing for PJT Partners Inc. (PJT) by James Costos disclose?

It discloses that director James Costos intends to sell 1,723 shares of PJT Partners Inc. common stock under Rule 144, through Morgan Stanley Smith Barney LLC on the NYSE, with an indicated market value of $301,525.00.

How many PJT (PJT Partners Inc.) shares are covered by this Form 144 notice?

The Form 144 notice covers 1,723 shares of PJT Partners Inc. common stock. This is the total amount of securities indicated in the filing as planned for sale under Rule 144.

What is the approximate market value of the PJT shares to be sold under this Form 144?

The filing lists an aggregate market value of $301,525.00 for the 1,723 shares of PJT Partners Inc. common stock proposed to be sold under Rule 144.

When were the PJT shares that James Costos plans to sell acquired?

The shares were acquired on 06/01/2025 as restricted stock vesting under a registered plan from PJT Partners Inc., as compensation for services rendered.

When is the planned sale date for the PJT shares in this Form 144 filing?

The Form 144 lists a planned sale date of 08/21/2026 for the 1,723 shares of PJT Partners Inc. common stock proposed to be sold on the NYSE.

Through which broker are the PJT shares in this Form 144 expected to be sold?

The shares are expected to be sold through Morgan Stanley Smith Barney LLC Executive Financial Services, located at 1 New York Plaza, as stated in the Form 144 filing.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Available on EDGAR 08/21/2026 - 04:11 PM Accepted by SEC EDGAR 08/21/2026 - 04:10 PM Learn about SEC filing dates

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	0001696979
Filer CCC	XXXXXXXX
Is this a LIVE or TEST Filing?	LIVE TEST
Submission Contact Information
Name
Phone
E-Mail Address

144: Issuer Information

Name of Issuer	PJT PARTNERS INC.
SEC File Number	001-36869
Address of Issuer	280 PARK AVENUE 16TH FLOOR NEW YORK NEW YORK 10017
Phone	212-364-7800
Name of Person for Whose Account the Securities are To Be Sold	JAMES COSTOS
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	Director

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	1723	301525.00	25564818	08/21/2026	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	06/01/2025	Restricted Stock Vesting Under a Registered Plan	Issuer			1723	06/01/2025	Services Rendered

* 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	08/21/2026
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/ James Costos
ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)