Schedule 13G ownership disclosure
First Interstate BancSystem Inc
Class A Stock · CUSIP: 32055Y201
Event date: 2025-12-31
- Filing-level shares
- 13,290,004
- Percent of class
- 12.9%
- BlackRock, Inc.
Shares: 13,290,004 · Class: 12.9%
Amounts are as disclosed in this filing. Schedule type alone does not establish investment intent.
Source: SEC EDGAR filingFiling metadata
- Accession number
- 0002012383-26-000039
- Form type
- SCHEDULE 13G/A
- Filer
- BlackRock, Inc.
- CIK
- CIK 2012383
- Filed
- Jan 08, 2026
- Reporting period
- Dec 31, 2025
- Description
- Schedule 13G beneficial ownership