STT (STT) Form 144 lists 29,107-share sale and vesting events

Rhea-AI Filing Summary

STT reported a Form 144 notice relating to Common Stock transactions. The filing lists 9,973 shares associated with restricted stock vesting on 02/13/2026 and 4,580 shares associated with restricted stock vesting on 02/15/2026. The filing also shows a reported sale of 29,107 shares on 03/02/2026 by Ronald P. O'Hanley III with an aggregate value of $3,658,749.90.

Insights

Securities Compliance Analyst

Form 144 discloses contemplated resale or sale of company shares by an affiliate.

Form 144 records in the excerpt show restricted stock vesting events of 9,973 and 4,580 shares on 02/13/2026 and 02/15/2026, respectively, and a reported sale of 29,107 shares on 03/02/2026 valued at $3,658,749.90. These items are routine regulatory notices that permit resale by affiliates under applicable rules.

Timing and cash‑flow treatment beyond the listed sale amount are not detailed in the excerpt; subsequent securities law filings would provide settlement or broker details.

Key Figures

Restricted shares vesting (02/13/2026): 9,973 shares Restricted shares vesting (02/15/2026): 4,580 shares Reported sale by Ronald P. O'Hanley III: 29,107 shares +2 more

5 metrics

Restricted shares vesting (02/13/2026) 9,973 shares Restricted Stock Vesting on 02/13/2026

Restricted shares vesting (02/15/2026) 4,580 shares Restricted Stock Vesting on 02/15/2026

Reported sale by Ronald P. O'Hanley III 29,107 shares Sale on 03/02/2026

Aggregate value of reported sale $3,658,749.90 Proceeds reported for 29,107 shares on 03/02/2026

Broker-dealer listed Fidelity Brokerage Services LLC 900 Salem Street, Smithfield RI

Key Terms

Form 144, Restricted Stock Vesting, Aggregate value, Broker-dealer

4 terms

Form 144 regulatory

"144: Securities To Be Sold"

Form 144 is a document that investors must file with the government when they plan to sell a large number of shares of a company's stock. It helps ensure transparency so everyone knows how many shares are being sold and when, which can impact the stock's price.

Restricted Stock Vesting financial

"Restricted Stock Vesting | Issuer | 9973 | 02/13/2026"

Restricted stock vesting is the timetable and conditions under which shares granted to employees or insiders become fully owned and can be sold, typically requiring continued work or meeting performance goals. It matters to investors because large blocks of shares can become tradable at once, which can change share supply and price, and because vesting aligns insiders’ incentives with the company’s long‑term performance—think of it like a timed unlock that both rewards and locks in key people.

Aggregate value financial

"29107 | 3658749.90"

Broker-dealer regulatory

"Fidelity Brokerage Services LLC 900 Salem Street Smithfield RI"

A broker-dealer is a licensed firm or individual that both executes trades on behalf of clients (acting as a broker) and buys or sells securities for its own account (acting as a dealer). Investors care because broker-dealers provide the plumbing of markets — they place orders, hold or move cash and securities, offer research or advice, and their stability and fees directly affect trade execution, costs, and the safety of client funds; think of them as a combined travel agent and taxi for your investments.

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	14553	2260808.55	276767033	05/26/2026	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	02/13/2026	Restricted Stock Vesting	Issuer			9973	02/13/2026	Compensation
Common	02/15/2026	Restricted Stock Vesting	Issuer			4580	02/15/2026	Compensation

* 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
Ronald P. O'Hanley III One Congress Street Boston MA 02114	Common	03/02/2026	29107	3658749.90

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

What does STT's Form 144 disclose about restricted stock vesting?

The Form 144 lists 9,973 shares vesting on 02/13/2026 and 4,580 shares vesting on 02/15/2026, both described as restricted stock vesting tied to compensation.

Did an insider sell shares according to the STT Form 144?

Yes. The filing shows Ronald P. O'Hanley III reported a sale of 29,107 shares on 03/02/2026 with an aggregate value of $3,658,749.90.

Which broker or agent is listed on the Form 144 for STT transactions?

The excerpt lists Fidelity Brokerage Services LLC with an address of 900 Salem Street, Smithfield, RI, associated with the securities entries shown in the filing.

Does the Form 144 excerpt state where STT is listed?

Yes. The excerpt includes an exchange reference: NYSE and a date field of 05/26/2026 in the securities header information.