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Insider trading

POLAND - 2026/03/16: In this photo illustration, the Polymarket logo is displayed on a smartphone with stock market percentages in the background. (Photo Illustration by Omar Marques/SOPA Images/LightRocket via Getty Images)
InvestingKalshi and Polymarket are racing to ban insider trading. The economist who built the theory behind prediction markets says it’s the whole point
By Eva RoytburgApril 26, 2026
betting
LawMeet the 38-year-old special forces officer charged with using classified info about Maduro’s capture to win $400,000 online
By Hallie Golden, Konstantin Toropin, Hannah Schoenbaum and The Associated PressApril 24, 2026
trump
Politics413 million bets with over $100 million at stake: the latest Polymarket insider trading Trump controversy
By Bernard Condon and The Associated PressApril 23, 2026
Woman refuels her car at a gas station on a sunny day, pondering rising gas prices and environmental impact. Transportation, energy, and the environment intersect in daily life
EconomyAmericans have never been this gloomy about the economy. Wall Street has never cashed in harder
By Eva RoytburgApril 16, 2026
nic
CommentaryPrediction markets caught insider traders in real time. Congress wants to shut them down anyway
By Nic PuckrinApril 2, 2026
Two People Faces Talking Discussion Communication Stock Market Insider 3d Illustration
EnergyNobel laureate Paul Krugman calls it ‘treason’: $580 million in suspicious oil futures traded minutes before Trump’s Iran reversal
By Eva RoytburgMarch 24, 2026
mayes
PoliticsKalshi and Polymarket rush to update their policies after realizing that Congress could destroy them
By Ken Sweet and The Associated PressMarch 24, 2026
mr beast
BankingMr Beast fires video editor who Kalshi said had ‘near-perfect’ trading record, citing insider trading concerns
By James Pollard and The Associated PressMarch 6, 2026
Photo: IonQ CEO Niccolo de Masi
Big TechIonQ, the biggest quantum computing company on the stock market, disputes short-seller claims it failed to disclose holes in its revenue
By Jeremy Kahn and Jim EdwardsFebruary 4, 2026
Photo of Bill Essayli
FinanceFormer CEO sentenced to prison after first-ever prosecution for stock sales via trading plans that thousands of executives use
By Amanda GerutJune 24, 2025
Kimbal Musk, founder of Big Green, speaks during ETHDenver in Denver, Colorado, U.S., on Friday, Feb. 18, 2022.
LeadershipElon Musk’s little brother and one other Tesla board director sell stock worth nearly $200 million
By Christiaan HetznerMay 28, 2025
Robyn Denholm, chairman of Tesla Inc., attends an American Chamber of Commerce in Australia event in Sydney, Australia, on Wednesday, March 27, 2019.
LeadershipTesla chair Robyn Denholm’s $180 million stock sales come under scrutiny
By Christiaan HetznerMay 14, 2025
Robyn Denholm, chair of Tesla Inc., speaks during the Asia Pacific Financial and Innovation Symposium (APFIS) in Melbourne, Australia, on Tuesday, March 25, 2025.
LeadershipTesla director finally buys shares after more than 5 years—only to see his own board chair promptly sell $32 million in stock
By Christiaan HetznerApril 30, 2025
Paul Atkins, chairman of the US Securities and Exchange Commission (SEC), during a swearing-in ceremony in the Oval Office of the White House in Washington, DC, US, on Tuesday, April 22, 2025.
FinanceDon’t expect SEC enforcement to just disappear under new chairman Paul Atkins, warn 3 former general counsels 
By Amanda GerutApril 27, 2025
U.S. President Donald Trump answers a reporters question during a meeting with Israeli Prime Minister Benjamin in the Oval Office of the White House on April 7, 2025 in Washington, DC.
PoliticsAOC and Elizabeth Warren demand answers on ‘insider trading’ and ‘market manipulation’ allegations after Trump’s tariff U-turn sparks stock surge
By Christiaan HetznerApril 10, 2025
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Success
Apple cofounder Ronald Wayne—whose stake would be worth up to $400 billion had he not sold it in 1976—says that at 91, he has no regretsplaceholder alt text
By Preston ForeApril 27, 2026
AI
‘The cost of compute is far beyond the costs of the employees’: Nvidia executive says right now AI is more expensive than paying human workersplaceholder alt text
By Sasha RogelbergApril 28, 2026
Energy
‘Take the money and run’: Johns Hopkins economist Steve Hanke on why the UAE quit OPECplaceholder alt text
By Shawn TullyApril 29, 2026
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