Thursday, August 27, 2026: insiders filed 29 open-market purchases and 197 sales

The S&P 500 (SPY) closed at 771.10, +0.66% on the day.

• Insiders of US-listed companies filed 29 open-market purchases (about $224M) at 18 companies and 197 open-market sales (about $341M) at 67 companies; see every filing of the day.
• The largest open-market purchase filed: BERTARELLI ERNESTO (10% owner) at Madison Air Solutions (MAIR), about $219M (SEC Form 4).
• 5 insiders at Biomerica (BMRA) each filed an open-market purchase, about $158K in total (SEC Form 4).
• The largest open-market sale filed: Brian E. Lane (CHIEF EXECUTIVE OFF.) at Comfort Systems USA (FIX), about $25.8M (SEC Form 4).
• 3 stock-trade reports from members of Congress were disclosed; the largest range: Rep. Jared Moskowitz (FL23) disclosed a purchase of AMAT, reported range $1,001 - $15,000 (official disclosure).
• 45 federal contract awards of $10M or more were announced, the largest: Department of Defense awarded RTX: $842M obligated to date (USAspending record).
• 1 lobbying reports were posted with an amount; the largest: BAXTER INTERNATIONAL reported $10K in lobbying for Q3 2026 through MCDERMOTT+ (lda.gov filing).