FORM 4
Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).
UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940
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(Print or Type Responses)
1. Name and Address of Reporting Person *
KASEL JOHN F
  2. Issuer Name and Ticker or Trading Symbol
FOSTER L B CO [FSTR] 		5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
__X__ Director _____ 10% Owner
__X__ Officer (give title below) _____ Other (specify below)
President & Chief Exec Officer
(Last)
(First)
(Middle)
L.B. FOSTER COMPANY, 415 HOLIDAY DRIVE, SUITE 100		 3. Date of Earliest Transaction (Month/Day/Year)
02/13/2024
(Street)

PITTSBURGH, PA 15220		 4. If Amendment, Date Original Filed (Month/Day/Year)
02/15/2024		 6. Individual or Joint/Group Filing (Check Applicable Line)
_X_ Form filed by One Reporting Person
___ Form filed by More than One Reporting Person
(City)
(State)
(Zip)
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)
Code V Amount (A) or (D) Price
Common Stock 02/13/2024   A   5,053 (1) (2) A $ 0 124,414 (2) (3) D  
Common Stock 02/13/2024   F   2,569 (4) D $ 23.76 121,845 (5) D  
Common Stock 02/13/2024   A   7,748 (6) A $ 0 129,593 (5) D  
Common Stock 02/13/2024   A   31,245 (7) A $ 0 160,838 (5) D  
Common Stock 02/14/2024   F   5,375 (8) D $ 24 155,463 (5) D  
Common Stock               11,408 I L.B. Foster Company 401(k) Plan Shares

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
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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 Underlying Securities
(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 of Derivative Security: Direct (D) or Indirect (I)
(Instr. 4) 		11. Nature of Indirect Beneficial Ownership
(Instr. 4)
Code V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares

Reporting Owners

Reporting Owner Name / Address Relationships
 Director  10% Owner  Officer  Other
KASEL JOHN F
L.B. FOSTER COMPANY
415 HOLIDAY DRIVE, SUITE 100
PITTSBURGH, PA 15220		   X     President & Chief Exec Officer  

Signatures

 John F. Kasel by Judith Balog, attorney-in-fact   03/08/2024
**Signature of Reporting Person Date

Explanation of Responses:

* 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).
(1) Represents shares of common stock resulting from performance share units which were contingent rights to receive shares of common stock based on the Issuer's performance against certain pre-established financial metrics for the 2021-2023 performance period.
(2) Total adjusted by 1,250 shares to reflect correction of error on Form 4 filed on 2/15/2024.
(3) Includes 5,035 Performance Restricted Stock Units earned under the 2022-2024 Long Term Incentive Plan granted on 02/17/2022; those 5,035 Performance Restricted Stock Units will settle at the end of the 2022-2024 performance period on December 31, 2024, upon certification by the Compensation Committee.
(4) Total adjusted by 741 shares to reflect correction of error on Form 4 filed on 02/15/24.
(5) Total adjusted by 509 shares to reflect correction of error on Form 4 filed on 02/15/2024.
(6) Represents the number of Performance Restricted Stock Units earned under the 2022-2024 Long Term Incentive Plan granted on 02/17/2022 upon certification of performance results by the Compensation Committee at 96.3% for the annual period ended December 31, 2023. The earned Performance Stock Units will settle at the end of the performance period on December 31, 2024, upon certification by the Compensation Committee.
(7) Represents the number of Performance Restricted Stock Units earned under the 2023-2025 Long Term Incentive Plan granted on 02/14/2023 upon certification of performance results by the Compensation Committee at 187.0% for the annual period ended December 31, 2023. The earned Performance Stock Units will settle at the end of the performance period on December 31, 2025, upon certification by the Compensation Committee.
(8) Shares withheld to pay taxes applicable to the vesting of restricted stock related to the 2023-2025 LTIP awarded on 02/14/23.

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