Jupiter Fund Management Plc disclosed a 5.51% interest in STHREE PLC under Rule 8.3 of the Takeover Code. The filing, dated September 10, 2026, states that Jupiter held 6,729,489 of STHREE's 1p ordinary shares as of September 9, 2026. It also records the sale of 106,688 ordinary shares at 2.964976 per share. Jupiter reported no cash-settled or stock-settled derivatives, subscription rights, other dealings, indemnity arrangements, or agreements concerning options or derivatives. No disclosure was made for any other party to the offer, and no supplemental open-positions form was attached.