Market Recap — September 28, 2026
Recap of insider activity, SEC filings, and market-moving news for September 28, 2026.
Last generated Oct 21, 2026, 5:50 PM ET
Top Importance Today
Filings and news with the highest AI-ranked importance score.
AstraZeneca Invests $2B in Summit Therapeutics at $18.36/Share Premium
AAR to Acquire 65% of MRO Holdings for $4.0B Enterprise Value, Funded by $2.1B Debt and $1.0B Equity
VIP Play 10-K: Going Concern, $72.6M Deficit, and $29.8M Demand Debt
OpenAI Scraps GPT-6.1 Astra Release Over Safety Failures
AIxCrypto to Acquire Faraday Future's Robotics Business for $200M in Stock, Rebrand as FF EAI Robotics
Agroz 20-F Reveals Going Concern Doubt, Nasdaq Delisting Appeal, and Material Weaknesses
PowerBank FY2026 20-F: Going Concern, C$24.3M Loss, Material Weaknesses, Nasdaq Bid Price Deficiency
Sangoma Board Approves Sale of Company; $68.4M Goodwill Impairment and Material Weakness Disclosed
Raytheon Lands $20.7B AMRAAM Contract, Accelerating Missile Production
Sino Green Land 10-K: Going Concern, Material Weaknesses, and Related-Party M&A
AAR to Acquire 65% of MRO Holdings for $4B, Creating World's Largest Heavy Maintenance MRO
Brightline 10-K: Going Concern, $10.6M Goodwill Impairment, and Material Weakness
Largest Open-Market Insider Buys
Form 4 open-market purchases ranked by dollar amount.
Largest Open-Market Insider Sells
Form 4 open-market sales ranked by dollar amount.
Notable 8-Ks and News
Material events and breaking news with importance score 6 or higher.
AstraZeneca Invests $2B in Summit Therapeutics at $18.36/Share Premium
AAR to Acquire 65% of MRO Holdings for $4.0B Enterprise Value, Funded by $2.1B Debt and $1.0B Equity
OpenAI Scraps GPT-6.1 Astra Release Over Safety Failures
AIxCrypto to Acquire Faraday Future's Robotics Business for $200M in Stock, Rebrand as FF EAI Robotics
Raytheon Lands $20.7B AMRAAM Contract, Accelerating Missile Production
AAR to Acquire 65% of MRO Holdings for $4B, Creating World's Largest Heavy Maintenance MRO
Cambium Networks Sells Defense Business to Airspan for $27.5M, Expects Total Shareholder Loss
AMD to Acquire Fei-Fei Li's World Labs in $8.2B Deal
Getty Images in Talks for Bankruptcy Loan as Lenders Eye Control
PAAC Signs Definitive $525M Merger with Astro Digital, Backed by $50M PIPE
Form 144 Notices
Notices that restricted shares may be sold soon — often a precursor to insider selling.
No Form 144 notices filed on this date.
Day boundary: 00:00 ET (America/New_York). Filings accepted late may appear in the next day's recap.