NSTS BANCORP INC (NSTS) Institutional Ownership and Insiders Activity

NSTS BANCORP INC (NSTS) is widely held by institutional investors, with 23 firms reporting positions valued at approximately $16.71M based on SEC Form 13F filings for the quarter ended June 30, 2026.

Alliancebernstein L.P. is the largest disclosed holder, reporting approximately $6.02M in NSTS holdings in its latest filing.

Recent insider activity includes 14 tracked Form 4 transactions over the last three months, reflecting ongoing executive and director trading activity.