The Tadawul All Share Index (TASI) closed the week's final session at 10,598.88 on Sept 24, 2026, down 81.73 points or 0.77% from the prior close of 10,680.61, according to Yahoo Finance chart data. The session traded between a high of 10,696.06 and a low of 10,596.68. Corporate action during the week was led by regulatory approvals and contract disclosures across industrials, technology and banking. The Capital Market Authority (CMA) approved the offer document from Knauf International GmbH to acquire all shares of United Mining Industries Co. 9583 at SAR 57 per share, valuing the tender at roughly SAR 293.5 million. CMA also cleared bonus-share capital increases at Saudi Investment Bank (SAIB) and ADES Holding Co., and launched a 30-day public consultation on draft rules governing IPO book-building practices. Management and Information Systems Co. (MIS) disclosed an agreement with HUMAIN valued at more than SAR 8.7 billion, while East Pipes Integrated Company for Industry 1321 and Group Five reported new Saudi Aramco 2222 contracts. Trading Economics data placed TASI at 10,681 points on Sept 22, prior to the Sept 24 close.
CMA approves Knauf tender offer for United Mining Industries
The Capital Market Authority issued a resolution on Sept 21, 2026 approving the offer timetable and publication of the offer document from Knauf International GmbH to shareholders of United Mining Industries Co. 9583, according to a notice carried on Saudi Exchange. Knauf International is offering SAR 57 per share for all outstanding shares of UMI, valuing the tender at approximately SAR 293.5 million. The resolution clears the transaction to proceed under the announced timetable. No additional financial terms were disclosed in the CMA notice.
CMA approves bonus-share capital increases at SAIB and ADES
CMA approved Saudi Investment Bank's (SAIB) request to raise capital from SAR 10 billion to SAR 12.5 billion via a 1-for-4 bonus share issue, funded by transferring SAR 2.5 billion from the statutory reserve. The action raises outstanding shares by 250 million to 1.25 billion, according to the CMA notice dated Sept 17, 2026. On Sept 22, CMA approved ADES Holding Co.'s capital increase through a 1-for-1 bonus issue, capitalizing SAR 1.13 billion from the share premium reserve for a 100% capital hike, following the board's June recommendation. Separately, CMA approved the public offering of the ANB Capital Perpetual Sukuk Fund on Sept 22, per a notice carried by TradingView.
MIS signs SAR 8.7B agreement with HUMAIN
Management and Information Systems Co. (MIS) disclosed an agreement with HUMAIN valued at more than SAR 8.7 billion, according to a Tadawul filing summarized by Argaam on Sept 20. MIS separately signed a SAR 64.6 million contract with the Saudi Data and AI Authority (SDAIA), per a Tadawul disclosure summarized by Argaam on the same date. In other technology-sector activity, Nomu-listed ITMAM signed a contract with Elm valued at more than 10% of its 2025 revenue, according to a Tadawul disclosure summarized by Argaam on Sept 17. Financial impact and duration for the ITMAM contract were not specified in the summary.
East Pipes and Group Five sign Aramco contracts
East Pipes Integrated Company for Industry 1321 signed a SAR 771 million contract with Saudi Aramco to manufacture and supply steel pipes over six months, with financial impact expected from Q4 2026/27 through Q1 2027/28, according to an Argaam summary of the Tadawul disclosure dated Sept 20. East Pipes separately disclosed a contract signed on Sept 22 with Aramco worth more than SAR 46 million including VAT, for a five-month steel pipe supply, with impact expected in Q4 of FY 2026-2027, per Asharq Al-Awsat. Group Five signed a SAR 270.6 million contract with Saudi Aramco, per a Tadawul disclosure summarized by Argaam on Sept 20.
CMA opens consultation on IPO book-building rules
CMA launched a 30-day public consultation on Sept 22, 2026, ending Oct 22, 2026, on draft regulatory provisions targeting IPO book-building practices, according to a notice carried on Saudi Exchange. The draft provisions aim to strengthen the linkage between book-building requests and participants' actual liquidity, reinforce commitment to orders, and enhance the reliability of the book-building process. In parallel corporate credit activity, 2P raised its credit facility with Banque Saudi Fransi (BSF) to SAR 376.2 million, and Avalon Pharma renewed SAR 104 million in credit facilities with BSF, per Tadawul disclosures summarized by Argaam.
Outlook
Saudi Arabian Mining Co. (Maaden, 1211) issued an addendum on Sept 22 to the board's invitation to shareholders for the 16th Ordinary General Assembly Meeting, per a Tadawul disclosure. Miral Dental Clinics Co. 9604 invited shareholders to its first Ordinary General Assembly Meeting, to be held via modern technology. Almujtama Alraida Medical Co. 9592 announced the appointment of a member to fill a vacant board seat. Shareholders of SPIMACO subsidiary Qassim Medical approved a Nomu listing, per an Argaam summary of the Tadawul disclosure dated Sept 20. Nomu-listed Asas Makeen Real Estate Development and Investment Co. signed a SAR 315 million contract with Itihad Al-Thabat Contracting on Sept 17. BAAN Holding disclosed on Sept 21 that its Playocity Jeddah project is expected to cost SAR 25 million.
