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S&T Bancorp (STBA) EVP converts 510 RSUs; 224 shares withheld for tax

Filing Impact
(Neutral)
Filing Sentiment
(Neutral)
Form Type
4

Rhea-AI Filing Summary

S&T Bancorp Executive Vice President Melanie A. Lazzari exercised restricted stock units that vested into common stock. On April 10, 2026, 510 restricted stock units converted into 510 shares of common stock at an implied price of $43.81 per share. To cover tax liabilities on the vested and converted RSUs, 224 common shares were withheld rather than sold in the market. After these transactions, she directly held 15,749.202 common shares, with additional indirect holdings of 8,041.149 shares in a 401(k) and 9 shares in a spouse IRA.

Positive

  • None.

Negative

  • None.
Insider Lazzari Melanie A
Role Executive Vice President
Type Security Shares Price Value
Exercise Restricted Stock Units 510 $0.00 --
Exercise Common Stock 510 $43.81 $22K
Tax Withholding Common Stock 224 $43.81 $10K
holding Common Stock -- -- --
holding Common Stock -- -- --
Holdings After Transaction: Restricted Stock Units — 0 shares (Direct); Common Stock — 15,973.202 shares (Direct); Common Stock — 8,041.149 shares (Indirect, 401(k))
Footnotes (1)
  1. Upon vest, automatically converts into equal number of shares of common stock. Shares of common stock withheld for payment of tax liability for vested and converted RSU's. On April 10, 2023, the Registrant awarded a special grant to the executive officer that will vest equally over the three successive anniversary dates of the grant date.
RSUs converted 510 units/shares Restricted stock units converting into common stock on April 10, 2026
Implied share price $43.81 per share Transaction price for 510 common shares received from RSU conversion
Shares withheld for taxes 224 shares Common shares withheld to satisfy tax liability on vested RSUs
Direct holdings after transaction 15,749.202 shares Direct S&T Bancorp common stock ownership following April 10, 2026 transactions
401(k) indirect holdings 8,041.149 shares Indirect ownership via 401(k) account as of April 10, 2026
Spouse IRA holdings 9 shares Indirect ownership through spouse IRA as of April 10, 2026
Restricted Stock Units financial
"Upon vest, automatically converts into equal number of shares of common stock."
Restricted stock units are a type of company reward where employees are promised shares of stock, but they only fully own these shares after meeting certain conditions, like staying with the company for a set time. They matter because they can become valuable assets and are often used to motivate employees to help the company succeed.
tax liability financial
"Shares of common stock withheld for payment of tax liability for vested and converted RSU's."
401(k) financial
"Common Stock ... nature_of_ownership: "401(k)""
A 401(k) is a type of retirement savings plan offered by employers that allows workers to set aside a portion of their paycheck before taxes are taken out. The money saved in a 401(k) can grow over time through investments, helping individuals build funds for their future retirement. It matters to investors because it provides a tax-advantaged way to save and invest for long-term financial security.
Spouse IRA financial
"Common Stock ... nature_of_ownership: "Spouse IRA""
special grant financial
"the Registrant awarded a special grant to the executive officer that will vest equally"
SEC Form 4
FORM 4UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940
OMB APPROVAL
OMB Number:3235-0287
Estimated average burden
hours per response:0.5
Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).
Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.
1. Name and Address of Reporting Person*
Lazzari Melanie A

(Last)(First)(Middle)
800 PHILADELPHIA STREET

(Street)
INDIANA PENNSYLVANIA 15701

(City)(State)(Zip)

UNITED STATES

(Country)
2. Issuer Name and Ticker or Trading Symbol
S&T BANCORP INC [ STBA ]
5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
Director10% Owner
XOfficer (give title below)Other (specify below)
Executive Vice President
2a. Foreign Trading Symbol
3. Date of Earliest Transaction (Month/Day/Year)
04/10/2026
6. Individual or Joint/Group Filing (Check Applicable Line)
XForm filed by One Reporting Person
Form filed by More than One Reporting Person
4. If Amendment, Date of Original Filed (Month/Day/Year)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3) 2. Transaction Date (Month/Day/Year)2A. Deemed Execution Date, if any (Month/Day/Year)3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4)
CodeVAmount(A) or (D)Price
Common Stock04/10/2026M(1)510A$43.8115,973.202D
Common Stock04/10/2026F(2)224D$43.8115,749.202D
Common Stock8,041.149I401(k)
Common Stock9ISpouse IRA
Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3) 2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (Month/Day/Year)3A. Deemed Execution Date, if any (Month/Day/Year)4. Transaction Code (Instr. 8) 5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 6. Date Exercisable and Expiration Date (Month/Day/Year)7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4) 8. Price of Derivative Security (Instr. 5) 9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4) 10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 11. Nature of Indirect Beneficial Ownership (Instr. 4)
CodeV(A)(D)Date ExercisableExpiration DateTitleAmount or Number of Shares
Restricted Stock Units(1)04/10/2026M510 (3) (3)Common Stock510$00D
Explanation of Responses:
1. Upon vest, automatically converts into equal number of shares of common stock.
2. Shares of common stock withheld for payment of tax liability for vested and converted RSU's.
3. On April 10, 2023, the Registrant awarded a special grant to the executive officer that will vest equally over the three successive anniversary dates of the grant date.
Remarks:
/s/ Jackie Kennane, attorney-in-fact for Melanie Lazzari04/14/2026
** Signature of Reporting PersonDate
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.
* Form 4: SEC 1474 (03-26)

FAQ

What insider transaction did S&T Bancorp (STBA) report for Melanie A. Lazzari?

S&T Bancorp reported that Executive Vice President Melanie A. Lazzari exercised 510 restricted stock units into 510 shares of common stock. The RSUs vested automatically and converted into an equal number of common shares according to the award’s terms.

How many S&T Bancorp (STBA) shares were withheld for taxes in this Form 4?

A total of 224 S&T Bancorp common shares were withheld to pay tax liabilities related to the vested and converted restricted stock units. This tax-withholding disposition is coded “F” and does not represent an open-market sale of shares.

What share price is associated with Melanie Lazzari’s S&T Bancorp (STBA) RSU conversion?

The RSU conversion reflects a share price of $43.81 for S&T Bancorp common stock. This price is shown as the transaction price for the 510 common shares received upon the exercise and conversion of the restricted stock units on April 10, 2026.

How many S&T Bancorp (STBA) shares does Melanie Lazzari hold directly after this filing?

Following the RSU conversion and tax withholding, Melanie Lazzari directly holds 15,749.202 S&T Bancorp common shares. This figure reflects her post-transaction direct ownership, excluding her additional indirect holdings through retirement and spouse accounts.

What indirect S&T Bancorp (STBA) holdings are reported for Melanie Lazzari?

The Form 4 shows indirect ownership of 8,041.149 S&T Bancorp shares in a 401(k) account and 9 shares in a spouse IRA. These are reported separately from her direct holdings to clarify different ownership types and account structures.

What do the footnotes in Melanie Lazzari’s S&T Bancorp (STBA) Form 4 explain?

The footnotes explain that the RSUs automatically convert into an equal number of common shares upon vesting, that some common shares were withheld to pay tax liabilities, and that the award was a special 2023 grant vesting over three anniversary dates.