Is the share withholding in this FSTR Form 4 an open-market sale?

No. The 416-share disposition is described as a tax-withholding event , where shares were delivered to cover tax liabilities on vesting. It is not characterized as an open-market sale or discretionary trading activity.

L.B. Foster (NASDAQ: FSTR) SVP has 416 shares withheld for tax obligations

Q: What did FSTR executive Brian Hunter Friedman report in this Form 4?

He reported a routine tax-withholding disposition of 416 L.B. Foster common shares. The shares were withheld to pay taxes due on vesting of restricted stock granted under the company’s long-term incentive plan.

Q: How many L.B. Foster (FSTR) shares were withheld for taxes?

A total of 416 common shares were withheld at $38.11 per share. This withholding covered tax obligations tied to vesting of restricted stock under the 2025–2027 Long Term Incentive Plan.

Q: How many L.B. Foster shares does Brian Hunter Friedman hold after this transaction?

After the transaction, he directly held 31,132 common shares and indirectly held 1,341 shares through the L.B. Foster Company 401(k) Plan, according to the reported ownership figures.

Filing Impact

(Neutral)

Filing Sentiment

(Neutral)

Form Type

Rhea-AI Filing Summary

L.B. Foster Company SVP and Chief Growth Officer Brian Hunter Friedman reported a routine tax-related share withholding. On the transaction date, 416 shares of common stock were withheld at $38.11 per share to cover taxes on vesting of restricted stock under the 2025–2027 Long Term Incentive Plan. After this, he held 31,132 shares directly and 1,341 shares indirectly through the company 401(k) plan, plus performance restricted stock units scheduled to settle in 2026 and 2027.

Insider Trade Summary

2 transactions reported

Mixed 2 txns

Insider Friedman Brian Hunter

Role SVP, Chief Growth Officer

Type	Security	Shares	Price	Value
Tax Withholding	Common Stock	416	$38.11	$16K
holding	Common Stock	--	--	--

Holdings After Transaction: Common Stock — 31,132 shares (Direct, null); Common Stock — 1,341 shares (Indirect, L.B. Foster Company 401(k) Plan Shares)

Footnotes (1)

Shares withheld to pay taxes applicable to the vesting of restricted stock related to the 2025-2027 LTIP awarded on 5/22/25. Includes 3,219 Performance Restricted Stock Units earned under the 2024-2026 Long Term Incentive Plan granted on 5/23/2024; those 3,219 Performance Restricted Stock Units will settle at the end of the performance period on December 31, 2026, upon certification of the Compensation Committee. Includes 713 Performance Restricted Stock Units earned under the 2025-2027 Long Term Incentive Plan granted on 5/22/2025; those 713 Performance Restricted Stock Units will settle at the end of the performance period on December 31, 2027, upon certification by the Compensation Committee.

Key Figures

Shares withheld for taxes: 416 shares Withholding price: $38.11 per share Direct holdings after transaction: 31,132 shares +3 more

6 metrics

Shares withheld for taxes 416 shares Tax-withholding disposition on common stock

Withholding price $38.11 per share Value per share for tax-withholding event

Direct holdings after transaction 31,132 shares Common stock directly owned post-transaction

Indirect 401(k) holdings 1,341 shares Common stock held via L.B. Foster 401(k) Plan

2024–2026 PRSUs 3,219 units Performance Restricted Stock Units under 2024–2026 LTIP

2025–2027 PRSUs 713 units Performance Restricted Stock Units under 2025–2027 LTIP

Key Terms

tax-withholding disposition, Performance Restricted Stock Units, Long Term Incentive Plan, 401(k) Plan Shares

4 terms

tax-withholding disposition financial

"Payment of exercise price or tax liability by delivering securities"

A tax-withholding disposition is an event or transaction—such as selling or transferring securities, exercising options, or receiving compensation—that triggers a requirement to hold back part of the payment and remit it to tax authorities. It matters to investors because it reduces the cash they receive immediately and can change the timing and amount of taxable income, like a cashier taking a portion of your sale proceeds to pay taxes before you get the rest.

Performance Restricted Stock Units financial

"Includes 3,219 Performance Restricted Stock Units earned under the 2024-2026 Long Term Incentive Plan"

Performance restricted stock units (PRSUs) are promises to deliver company shares to employees or executives only if the business meets specific performance targets and any time-based holding rules. Think of them as a bonus that converts into stock only after set goals are reached, so investors watch PRSUs for two reasons: they can dilute existing shares if paid out, and they signal how closely management’s pay is tied to company performance.

Long Term Incentive Plan financial

"earned under the 2024-2026 Long Term Incentive Plan granted on 5/23/2024"

A long term incentive plan is a company program that awards executives and key employees bonuses—often in stock, options, or cash—only if the business meets multi-year performance goals. It links management pay to company results—like tying a coach’s bonus to a team’s multi-season record—so investors monitor it for how leaders are motivated, potential share dilution, and signals about the company’s long-term priorities.

401(k) Plan Shares financial

"L.B. Foster Company 401(k) Plan Shares"

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Form 4 Insider Transactions: What Each Field Means →

05/27/2026 - 03:28 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^*

Friedman Brian Hunter

(Last)

(First)

(Middle)

L.B. FOSTER COMPANY

415 HOLIDAY DRIVE, SUITE 100

(Street)

PITTSBURGH

PENNSYLVANIA

15220

(City)

(State)

(Zip)

UNITED STATES

(Country)

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)
	SVP, Chief Growth Officer

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
05/22/2026

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

X	Form 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)
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	05/22/2026		F		416⁽¹⁾	D	$38.11	31,132⁽²⁾⁽³⁾	D
Common Stock								1,341	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. Shares withheld to pay taxes applicable to the vesting of restricted stock related to the 2025-2027 LTIP awarded on 5/22/25.

2. Includes 3,219 Performance Restricted Stock Units earned under the 2024-2026 Long Term Incentive Plan granted on 5/23/2024; those 3,219 Performance Restricted Stock Units will settle at the end of the performance period on December 31, 2026, upon certification of the Compensation Committee.

3. Includes 713 Performance Restricted Stock Units earned under the 2025-2027 Long Term Incentive Plan granted on 5/22/2025; those 713 Performance Restricted Stock Units will settle at the end of the performance period on December 31, 2027, upon certification by the Compensation Committee.

Remarks:

	Brian Hunter Friedman by Maribel Castro, attorney-in-fact	05/27/2026
	** 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.
* Form 4: SEC 1474 (03-26)

Source: View Original Filing on SEC EDGAR

FAQ

What did FSTR executive Brian Hunter Friedman report in this Form 4?

He reported a routine tax-withholding disposition of 416 L.B. Foster common shares. The shares were withheld to pay taxes due on vesting of restricted stock granted under the company’s long-term incentive plan.

How many L.B. Foster (FSTR) shares were withheld for taxes?

A total of 416 common shares were withheld at $38.11 per share. This withholding covered tax obligations tied to vesting of restricted stock under the 2025–2027 Long Term Incentive Plan.

How many L.B. Foster shares does Brian Hunter Friedman hold after this transaction?

After the transaction, he directly held 31,132 common shares and indirectly held 1,341 shares through the L.B. Foster Company 401(k) Plan, according to the reported ownership figures.

What long-term incentive awards are referenced for FSTR’s Brian Hunter Friedman?

The report notes performance restricted stock units from the 2024–2026 and 2025–2027 Long Term Incentive Plans. These awards are scheduled to settle after the respective performance periods end, subject to Compensation Committee certification.