Market Recap — August 19, 2026
Today's running recap of insider activity, SEC filings, and market-moving news. Updates throughout the trading day.
Last updated Aug 19, 2026, 9:32 AM ET · updates through the trading day
Top Importance Today
Filings and news with the highest AI-ranked importance score.
ZeroStack Buys $1B in MemeCore Tokens at 12x Premium, Appoints New President
Golar LNG Flags Going Concern Risk Amid $2.45B Fourth FLNG Commitment
Weave Communications Files Full Merger Agreement with Francisco Partners: $7.40/Share Cash Deal, Termination Fees, and 14.5% Voting Support
Marvell Inks Custom Chip Deal With Google, Issues 59M-Share Warrant
Marvell Grants Google a 58.97M Share Warrant Tied to Custom AI Silicon Deal
Veralto to Acquire Cleanwater1, Expanding Water Treatment Portfolio
Mereo BioPharma Gets Second Nasdaq Delisting Notice, Compliance Deadline Extended to Feb 2027
XCF Global Registers 212.8M Shares for Resale — Over Half of Outstanding Stock
Merck-Moderna mRNA Cancer Therapy Hits Phase 3 Endpoints in Melanoma
Moderna-Merck Melanoma Vaccine Meets Primary Endpoint in Late-Stage Trial
Datavault AI Secures $25M Convertible Note from Streeterville Capital
PREPA Terminates Flotek's $400M Puerto Rico Power Contract
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.
ZeroStack Buys $1B in MemeCore Tokens at 12x Premium, Appoints New President
Weave Communications Files Full Merger Agreement with Francisco Partners: $7.40/Share Cash Deal, Termination Fees, and 14.5% Voting Support
Marvell Inks Custom Chip Deal With Google, Issues 59M-Share Warrant
Marvell Grants Google a 58.97M Share Warrant Tied to Custom AI Silicon Deal
Veralto to Acquire Cleanwater1, Expanding Water Treatment Portfolio
Mereo BioPharma Gets Second Nasdaq Delisting Notice, Compliance Deadline Extended to Feb 2027
Merck-Moderna mRNA Cancer Therapy Hits Phase 3 Endpoints in Melanoma
Moderna-Merck Melanoma Vaccine Meets Primary Endpoint in Late-Stage Trial
Datavault AI Secures $25M Convertible Note from Streeterville Capital
PREPA Terminates Flotek's $400M Puerto Rico Power Contract
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.