Form4insider filings, from the source

Insider · CIK 0001486056

Mark J. Bolus

Files at: CBU. On EDGAR ↗

1M3M6M1Y2YAll datashares as filed — not split-adjusted
Open-market buys & salesbuys $0 · 0sales $817k · 1net −$817k
$10k$10k$100k$100k$1M$1MbuyssalesMar 28Apr 27May 28Jun 28Jul 28Aug 28Sep 28

Reported trades — common stock

TradeReported (ET)CompanySharesAvg priceTotalOwned afterΔ stakeFlags
Jun 25, 2026 SForm 4 →Jun 29, 11:13 am EDTCOMMUNITY FINANCIAL SYSTEM, INC.CBU12,191$67.00$816,78694,060−11.5%

Reported trades — derivatives (options, RSUs, warrants)

No reported derivative activity in this period.