Friday, May 15, 2026: insiders filed 59 open-market purchases and 230 sales

The S&P 500 (SPY) closed at 739.17, -1.20% on the day.

• Insiders of US-listed companies filed 59 open-market purchases (about $6.97M) at 25 companies and 230 open-market sales (about $1.18B) at 63 companies; see every filing of the day.
• The largest open-market purchase filed: ADAR1 Capital Management, LLC (10% owner) at Rallybio (RLYB), about $1.05M (SEC Form 4).
• 6 insiders at Hudson Technologies Inc /Ny (HDSN) each filed an open-market purchase, about $127K in total (SEC Form 4).
• The largest open-market sale filed: Access Industries Holdings LLC (Insider) at DigitalOcean (DOCN), about $493M (SEC Form 4).
• 6 stock-trade reports from members of Congress were disclosed, 2 of them more than 45 days after the trade; the largest range: Rep. Dwight Evans (PA03) disclosed a sale of AMT, reported range $1,001 - $15,000 (official disclosure).
• 9701 fund and investor stake filings were recorded, led by Pershing Square disclosed a new position in MSFT for Q1 2026 (SEC filing).
• 1 federal contract awards of $10M or more were announced, the largest: Department of Defense awarded Lockheed Martin: $991M obligated to date (USAspending record).
• 1 lobbying reports were posted with an amount; the largest: MARVELL TECHNOLOGY, INC. reported $30K in lobbying for Q1 2026 through CLARK STREET ASSOCIATES (lda.gov filing).