Dimensional Fund Advisors Ltd., on behalf of Dimensional Fund Advisors LP and its investment advisory affiliates, disclosed an interest in 13,815,013 Rotork PLC 0.5p ordinary shares, equal to 1.69%, in a Rule 8.3 opening position filing dated Aug. 13, 2026. The position was held as of Aug. 12, 2026, and the filing states that Dimensional expressly disclaims beneficial ownership of the shares described. The disclosure also reported a sale of 52,494 Rotork shares at 4.8683 pounds each and said there was a transfer in of 5,189 shares. Dimensional said it had no cash-settled derivatives, no stock-settled derivatives or agreements to purchase or sell relevant securities, and no Supplemental Form 8 for open positions was attached. The filing added that Dimensional Fund Advisors LP and/or its affiliates do not have discretion regarding voting decisions for 184,648 shares included in the total. No indemnity or other dealing arrangements, and no agreements or understandings relating to options or derivatives, were disclosed. Rule 8.3 filings are required under the UK Takeover Code when a person holds interests representing 1% or more of a relevant class of securities during an offer period.