Market Recap — September 16, 2026
Recap of insider activity, SEC filings, and market-moving news for September 16, 2026.
Last generated Sep 17, 2026, 4:58 PM ET
Top Importance Today
Filings and news with the highest AI-ranked importance score.
Longeveron's ELPIS II Trial Misses Primary Endpoint; Company Launches Strategic Review
Aperture AC Files Full $150M Merger Agreement with Atlantic HPC Group
Activist ATG Capital details board failures, $22.5M proxy fight cost after court denies Empery's appeal
CID Holdco Signs $65M Reverse Merger for Envoy, Settles $1.09M Debt, Faces Nasdaq Hearing
CID Holdco to Acquire Envoy Technologies in $65M Reverse Merger, Issues $550K Convertible Note
Nuburu Restates Q2 2026 Financials After Material Error in Tekne Note Valuation
500+ Customers Back Union Pacific-Norfolk Southern Merger as STB Review Advances
Nasdaq Issues Delisting Notice to Bone Biologics for Sub-$1 Bid Price
Nasdaq to Suspend Synergy CHC Trading September 18 After Bankruptcy Delisting
Nasdaq Warns Range Capital Over Sub-400 Holder Count
Generac Surges 25% on $2.4B Amazon Data-Center Generator Deal
Innovation Beverage Group Says FY2024 Financials Can't Be Relied Upon; Restatement Wipes Out 84% of Equity
Largest Open-Market Insider Buys
Form 4 open-market purchases ranked by dollar amount.
Strategic Value Partners Buys $34.5M of New Fortress Preferred Stock
Thrivent Buys $6M of ARDC Series E Preferred, Series B Redeemed
Director James Robo Buys $5.2M of KBDC Stock Near 52-Week Low
SPAC Sponsor Discloses $2M Private Placement Purchase and 500K Share Forfeiture
Executive Chairman Ernest Rady Adds Another $1.08M in AAT Stock
10% Owner Opaleye Adds $1.06M to Alpha Cognition Stake
10% Owner ADAR1 Capital Buys $118K of InMed Stock Over Three Days
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.
Longeveron's ELPIS II Trial Misses Primary Endpoint; Company Launches Strategic Review
Aperture AC Files Full $150M Merger Agreement with Atlantic HPC Group
CID Holdco to Acquire Envoy Technologies in $65M Reverse Merger, Issues $550K Convertible Note
Nuburu Restates Q2 2026 Financials After Material Error in Tekne Note Valuation
500+ Customers Back Union Pacific-Norfolk Southern Merger as STB Review Advances
Nasdaq Issues Delisting Notice to Bone Biologics for Sub-$1 Bid Price
Nasdaq to Suspend Synergy CHC Trading September 18 After Bankruptcy Delisting
Nasdaq Warns Range Capital Over Sub-400 Holder Count
Generac Surges 25% on $2.4B Amazon Data-Center Generator Deal
Generac Lands Amazon Data Center Deal: $2.4B Initial Orders, Warrant for 1.69M Shares
Form 144 Notices
Notices that restricted shares may be sold soon — often a precursor to insider selling.
Former Director Rozov Files to Sell $20.3M in Dave Shares via Variable Prepaid Forward
Duolingo Co-Founder Luis von Ahn Files to Sell $4.35M in Stock
CEO's Foundation Files to Sell $2.93M of Duolingo Stock
Milton Hershey School Trust Files to Sell 730,000 Hershey Shares Worth $125M
10% Holder SGF FANG Holdings Files to Sell $1.92B of Diamondback Stock
Director Robert Robotti Files to Sell $47.6M in Tidewater Stock
Day boundary: 00:00 ET (America/New_York). Filings accepted late may appear in the next day's recap.