Insider trading disclosures filed on Thursday showed significant buying activity at Energy Transfer LP, where director and 10% owner Kelcy L. Warren acquired approximately $21.26 million worth of common units over two days. Warren purchased 352,032 units at an average price of $21.27 on August 18 and an additional 647,968 units at $21.26 on August 19, according to regulatory filings.
Bridger Aerospace Group Holdings Inc. also saw insider buying, with director Jeffrey E. Kelter acquiring $354,050 worth of shares through open-market transactions on August 19 and 20. Kelter purchased 150,000 shares directly and indirectly via entities including K5 Equity Capital Holdings and Windy Point Investments, at prices between $1.16 and $1.22 per share. The stock, trading near a 52-week low of $1.12, has declined 53% over the past six months.
Neonc Technologies Holdings Inc. reported insider purchases by Chief Scientific Officer and Director Thomas C. Chen, who acquired $192,899 worth of common stock in April and August. Chen’s purchases, made through an IRA, ranged from $3.85 to $5.17 per share. The stock, down 54% over six months but up 8% in the past week, closed at $4.56.
On the selling side, Snowflake Inc. director Frank Slootman disposed of 348,020 shares worth $97.43 million on August 18 and 19. The sales, executed under a pre-arranged 10b5-1 plan adopted in September 2025, followed the exercise of options at $8.88 per share. Snowflake’s stock, trading near a 52-week high of $341.95, has gained 65% over the past year.
Aura Minerals Inc. director Bruno Sousa Mauad sold 280,000 shares for $22.87 million on August 19 at $81.67 per share, reducing his indirect holdings to 168,765 shares. The stock rose to $86.69 following the sale, reflecting a 222% return over the past year.
Chime Financial Inc. saw a large insider exit, with DST Global Advisors disposing of 4.81 million Class A shares worth $156.9 million over August 18 and 19. The sales, conducted through multiple limited partnerships, occurred at prices between $32.00 and $33.38 per share. Chime’s stock, near a 52-week high of $33.74, has surged 52.7% in the past six months.
Micron Technology Inc. reported a smaller insider sale, with Executive Vice President Sumit Sadana selling 15,000 shares for $14.01 million at an average price of $934.29. The stock, up 242% year-to-date and 743% over the past year, closed at $974.29.












