L.B. Foster insider sells 10,000 shares; 79,027 shares remain

Q: What insider transaction did FSTR report on this Form 4?

An EVP and Sr. Advisor to the CEO sold 10,000 shares of common stock on 11/07/2025 .

Q: What was the sale price reported for the FSTR shares?

A weighted average price of $27.15 , with individual trades from $27.01 to $27.275 .

Q: How many FSTR shares does the insider now beneficially own?

The insider now holds 79,027 shares directly and 531 shares indirectly via the L.B. Foster Company 401(k) Plan .

Q: Are performance RSUs included in the reported FSTR holdings?

Yes. The direct holdings include 15,874 Performance RSUs (2023–2025) and 2,035 Performance RSUs (2024–2026).

Q: When are the Performance RSUs scheduled to settle?

The 15,874 RSUs are scheduled for December 31, 2025 , and the 2,035 RSUs for December 31, 2026 , each upon Compensation Committee certification.

Q: What transaction code was used for the sale?

Transaction code S , indicating an open-market or private sale of non-derivative securities.

Filing Impact

(Moderate)

Filing Sentiment

(Negative)

Form Type

Rhea-AI Filing Summary

L.B. Foster Company (FSTR): An executive officer (EVP and Sr. Advisor to the CEO) reported an open-market sale of 10,000 shares of common stock on 11/07/2025 at a weighted average price of $27.15 (transactions ranged from $27.01 to $27.275).

Following the sale, the reporting person beneficially owns 79,027 shares directly and 531 shares indirectly via the L.B. Foster Company 401(k) Plan. The direct holdings include 15,874 Performance RSUs tied to the 2023–2025 plan expected to settle on December 31, 2025 upon committee certification, and 2,035 Performance RSUs tied to the 2024–2026 plan expected to settle on December 31, 2026 upon certification.

Insider Trade Summary

Net Seller: 10,000 shares ($271,500)

Net Sell 2 txns

Insider Kelly Brian H

Role EVP and Sr. Advisor to the CEO

Sold 10,000 shs ($272K)

Type	Security	Shares	Price	Value
Sale	Common Stock	10,000	$27.15	$272K
holding	Common Stock	--	--	--

Holdings After Transaction: Common Stock — 79,027 shares (Direct); Common Stock — 531 shares (Indirect, L.B. Foster Company 401(k) Plan Shares)

Footnotes (1)

The price reported in column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $27.01 to $27.275, inclusive. The reporting person undertakes to provide L.B. Foster Company, any security holder of L.B. Foster Company, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in footnote (1) to this Form 4. Includes 15,874 Performance Restricted Stock Units earned under the 2023-2025 Long Term Incentive Plan granted on 2/14/2023; those 15,874 Performance Restricted Stock Units will settle at the end of the performance period on December 31, 2025, upon certification by the Compensation Committee. Includes 2,035 Performance Restricted Stock Units earned under the 2024-2026 Long Term Incentive Plan granted on 5/23/2024; those 2,035 Performance Restricted Stock Units will settle at the end of the performance period on December 31, 2026, upon certification by the Compensation Committee.

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Form 4 Insider Transactions: What Each Field Means →

11/10/2025 - 05:05 PM

SEC Form 4

FORM 4

UNITED 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^*

Kelly Brian H

(Last)

(First)

(Middle)

L.B. FOSTER COMPANY

415 HOLIDAY DRIVE, SUITE 100

(Street)

PITTSBURGH

15220

(City)

(State)

(Zip)

2. Issuer Name and Ticker or Trading Symbol
FOSTER L B CO [ FSTR ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

	Director	10% Owner
X	Officer (give title below)	Other (specify below)
	EVP and Sr. Advisor to the CEO

3. Date of Earliest Transaction (Month/Day/Year)
11/07/2025

4. If Amendment, Date of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

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)
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	Code	V	Amount	(A) or (D)	Price		6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
Common Stock	11/07/2025		S		10,000	D	$27.15⁽¹⁾	79,027⁽²⁾⁽³⁾	D
Common Stock								531	I	L.B. Foster Company 401(k) Plan Shares

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)
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)	Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	8. Price of Derivative Security (Instr. 5)		10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)

Explanation of Responses:

1. The price reported in column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $27.01 to $27.275, inclusive. The reporting person undertakes to provide L.B. Foster Company, any security holder of L.B. Foster Company, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in footnote (1) to this Form 4.

2. Includes 15,874 Performance Restricted Stock Units earned under the 2023-2025 Long Term Incentive Plan granted on 2/14/2023; those 15,874 Performance Restricted Stock Units will settle at the end of the performance period on December 31, 2025, upon certification by the Compensation Committee.

3. Includes 2,035 Performance Restricted Stock Units earned under the 2024-2026 Long Term Incentive Plan granted on 5/23/2024; those 2,035 Performance Restricted Stock Units will settle at the end of the performance period on December 31, 2026, upon certification by the Compensation Committee.

Remarks:

	/s/ Brian H. Kelly by Judith Balog, attorney-in-fact	11/10/2025
	** Signature of Reporting Person	Date
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.

Source: View Original Filing on SEC EDGAR

FAQ

What insider transaction did FSTR report on this Form 4?

An EVP and Sr. Advisor to the CEO sold 10,000 shares of common stock on 11/07/2025.

What was the sale price reported for the FSTR shares?

A weighted average price of $27.15, with individual trades from $27.01 to $27.275.

How many FSTR shares does the insider now beneficially own?

The insider now holds 79,027 shares directly and 531 shares indirectly via the L.B. Foster Company 401(k) Plan.

Are performance RSUs included in the reported FSTR holdings?

Yes. The direct holdings include 15,874 Performance RSUs (2023–2025) and 2,035 Performance RSUs (2024–2026).

When are the Performance RSUs scheduled to settle?

The 15,874 RSUs are scheduled for December 31, 2025, and the 2,035 RSUs for December 31, 2026, each upon Compensation Committee certification.

What transaction code was used for the sale?

Transaction code S, indicating an open-market or private sale of non-derivative securities.