Dimensional Fund Advisors Ltd., whose parent is Dimensional Fund Advisors LP, and its investment advisory affiliates disclosed an interest in 1,749,529 SThree PLC 1p ordinary shares, representing 1.44%, under Rule 8.3 of the Takeover Code. The position was held on 25 September 2026, and the disclosure dated 28 September records the purchase of 2,820 shares at £3.0220 each. Dimensional said its entities are investment advisers and expressly disclaimed beneficial ownership of the shares. It also said it did not have discretion over voting decisions for 21,209 shares included in the total. No cash-settled or stock-settled derivatives, subscription rights, indemnity arrangements, or agreements concerning options, derivatives, voting rights or future transactions were disclosed, and no Supplemental Form 8 was attached.