1 unchanged sentence
Trading Arrangements
−Removed: None of the Company’s directors or “officers,” as defined in Rule 16a-1(f) of the Securities Exchange Act of 1934, as amended (the “Exchange Act”), adopted , modified, or terminated a “Rule 10b5-1 trading arrangement” or a “non-Rule 10b5-1 trading arrangement,” as each term is defined in Item 408 of Regulation S-K, during the Company’s fiscal quarter ended September 30, 2025.
+Added: None of the Company’s directors or “officers,” as defined in Rule 16a-1(f) of the Securities Exchange Act of 1934, as amended (the “Exchange Act”), adopted , modified, or terminated a “Rule 10b5-1 trading arrangement” or a “non-Rule 10b5-1 trading arrangement,” as each term is defined in Item 408 of Regulation S-K, during the Company’s fiscal quarter ended March 31, 2026.
See Exhibit Index below.
1 unchanged sentence
Exhibit Number Description
+Added: *10.1 Form of 2026 Restricted Stock Unit Agreement**
+Added: *10.2 Form of 2026 Performance Share Unit Program**
*31.1 Certification of Chief Executive Officer under Section 302 of the Sarbanes-Oxley Act of 2002.
9 unchanged sentences
Exhibits marked with an asterisk are filed herewith.
+Added: ** Exhibit represents a management contract or compensatory plan, contract, or arrangement.
Pursuant to the requirements of the Securities Exchange Act of 1934, the Registrant has duly caused this report to be signed on its behalf by the undersigned thereunto duly authorized.
FOSTER COMPANY
−Removed: November 3, 2025 By:
+Added: May 4, 2026 By:
/s/ William M.
3 unchanged sentences
Compared sentence by sentence after normalising whitespace, quotation marks, case and digits, so re-formatting and restated figures do not read as changed language. Wording changes appear as one removal and one addition. The current filing and the prior one are authoritative.