Dimensional Fund Advisors Ltd. disclosed a 1.40% interest in SThree PLC under Rule 8.3 of the Takeover Code, representing 1,714,946 1p ordinary shares. The disclosure covered the position held on 9 September 2026 and reported a purchase of 3,538 shares at 2.7756 GBP per share. Dimensional said its entities are investment advisers and disclaimed beneficial ownership of the shares. Its parent is Dimensional Fund Advisors LP, and the filing was also made on behalf of its investment advisory affiliates. Dimensional reported no other offer-party disclosure, no indemnity or dealing arrangements, no agreements concerning voting rights or derivatives, and no attached Supplemental Form 8.