If the filing person has previously filed a statement on Schedule 13G to report the acquisition that is the subject of this Schedule 13D, and is filing this schedule because of §§ 240.13d-1(e), 240.13d-1(f) or 240.13d-1(g), check the following box. Checkbox not checked

The information required on the remainder of this cover page shall not be deemed to be “filed” for the purpose of Section 18 of the Securities Exchange Act of 1934 (“Act”) or otherwise subject to the liabilities of that section of the Act but shall be subject to all other provisions of the Act (however, see the Notes).






SCHEDULE 13D






SCHEDULE 13D






SCHEDULE 13D






SCHEDULE 13D






SCHEDULE 13D






SCHEDULE 13D






SCHEDULE 13D






SCHEDULE 13D


 
22NW Fund, LP
 
Signature:/s/ Aron R. English
Name/Title:Aron R. English, Manager of 22NW Fund GP, LLC, General Partner
Date:12/12/2025
 
22NW, LP
 
Signature:/s/ Aron R. English
Name/Title:Aron R. English, President and Sole Shareholder of 22NW GP, Inc., General Partner
Date:12/12/2025
 
22NW Fund GP, LLC
 
Signature:/s/ Aron R. English
Name/Title:Aron R. English, Manager
Date:12/12/2025
 
22NW GP, Inc.
 
Signature:/s/ Aron R. English
Name/Title:Aron R. English, Manager
Date:12/12/2025
 
English Aron R.
 
Signature:/s/ Aron R. English
Name/Title:Aron R. English
Date:12/12/2025
 
Hirai-Hadley Bryson
 
Signature:/s/ Bryson O. Hirai-Hadley
Name/Title:Bryson O. Hirai-Hadley
Date:12/12/2025
 
Jones Alexander B
 
Signature:/s/ Alexander B. Jones
Name/Title:Alexander B. Jones
Date:12/12/2025

Exhibit 1

Transactions in the Securities of the Issuer During the Past Sixty (60) Days

Nature of the Transaction

Securities

Purchased/(Sold)

Price Per

Security($)*

Price Range ($)

Date of

Purchase/Sale

 

22NW FUND, LP

Sale of Common Stock (4,813) 28.1749 28.1600 - 28.1750 11/11/2025
Sale of Common Stock (2,749) 27.5187 27.1000 - 28.0200 11/11/2025
Sale of Common Stock (3,368) 27.0643 27.0000 - 27.2400 11/12/2025
Sale of Common Stock (1,600) 27.0019 27.0000 - 27.0300 11/13/2025
Sale of Common Stock (2,247) 27.0000 - 11/14/2025
Sale of Common Stock (400) 27.0000 - 11/17/2025
Sale of Common Stock (3,412) 27.0288 27.0000 - 27.0500 11/21/2025
Sale of Common Stock (27,003) 26.8357 26.8300 - 27.0000 11/24/2025
Sale of Common Stock (1,725) 26.9375 26.9100 - 26.9900 11/25/2025
Sale of Common Stock (1,307) 27.0855 27.0000 - 27.3650 11/28/2025
Sale of Common Stock (101) 26.8168 26.8000 - 27.0000 12/01/2025
Sale of Common Stock (9,765) 27.2773 26.9800 - 27.5200 12/08/2025
Sale of Common Stock (4,800) 26.9251 26.7500 - 27.0800 12/09/2025
Sale of Common Stock (11,248) 26.8335 26.7500 - 27.0150 12/10/2025
Sale of Common Stock (34,025) 26.7941 26.7500 - 27.1500 12/11/2025
Sale of Common Stock (13,512) 26.7855 26.7500 - 26.9800 12/12/2025

 

_______________________________

* The price reported in column Price Per Security ($) is a weighted average price if a price range is indicated in column Price Range ($). These securities were sold in multiple transactions at prices between the corresponding price ranges in the applicable row. The Reporting Persons undertake to provide the Issuer, any security holder of the Issuer or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of securities sold at each separate price.

 

Exhibit 99.1

JOINT FILING AGREEMENT

In accordance with Rule 13d-1(k)(1)(iii) under the Securities Exchange Act of 1934, as amended, the persons named below agree to the joint filing on behalf of each of them of a Statement on Schedule 13D (including additional amendments thereto) with respect to the shares of Common Stock, par value $0.01 per share, of L.B. Foster Company, a Pennsylvania corporation. This Joint Filing Agreement shall be filed as an Exhibit to such Statement.

 

22NW Fund, LP
 
By:

/s/ Aron R. English

 
  Aron R. English, Manager of 22NW Fund GP, LLC, its General Partner
Date: 12/12/2025

 

22NW, LP
 
By:

/s/ Aron R. English

 
  Aron R. English, President and Sole Shareholder of 22NW GP, Inc., its General Partner
Date: 12/12/2025

 

22NW Fund GP, LLC
 
By:

/s/ Aron R. English

 
  Aron R. English, Manager
Date: 12/12/2025

 

22NW GP, Inc.
 
By:

/s/ Aron R. English

 
  Aron R. English, President and Sole Shareholder
Date: 12/12/2025

 

English Aron R.
 
By:

/s/ Aron R. English

 
  ARON R. ENGLISH
Date: 12/12/2025

 

Hirai-Hadley Bryson
 
By:

/s/ Bryson O. Hirai-Hadley

 
  BRYSON O. HIRAI-HADLEY
Date: 12/12/2025