Form N-CSRS - Certified Shareholder Report, Semi-Annual:
SEC Accession No. 0000898430-25-000050
Filing Date
2025-01-03
Accepted
2025-01-03 13:24:07
Documents
30
Period of Report
2024-10-31
Effectiveness Date
2025-01-03

Document Format Files

Seq Description Document Type Size
1 N-CSRS 8dd25a724fa9825.htm   iXBRL N-CSRS 1800982
5 302_CERTIFICATION 302_Certification.htm EX-99.CERT 33676
6 906_CERTIFICATION 906_Certification.htm EX-99.906 CERT 10284
8 GRAPHIC img490c43922.jpg GRAPHIC 38453
9 GRAPHIC img2ca0c77d1.jpg GRAPHIC 250062
10 GRAPHIC images_1855.jpg GRAPHIC 109128
11 GRAPHIC images_1849.jpg GRAPHIC 24911
12 GRAPHIC chartimages_3428226.jpg GRAPHIC 17814
13 GRAPHIC chartimages_3428222.jpg GRAPHIC 10673
14 GRAPHIC chartimages_3428196.jpg GRAPHIC 17814
15 GRAPHIC chartimages_3428192.jpg GRAPHIC 10673
16 GRAPHIC chartimages_3428183.jpg GRAPHIC 10673
17 GRAPHIC chartimages_3428175.jpg GRAPHIC 17814
18 GRAPHIC chartimages_3428166.jpg GRAPHIC 17814
19 GRAPHIC chartimages_3428162.jpg GRAPHIC 10673
  Complete submission text file 0000898430-25-000050.txt   3749988

Data Files

Seq Description Document Type Size
2 EX-101.DEF cik0000773757-20241031_def.xml EX-101.DEF 11157
3 EX-101.LAB cik0000773757-20241031_lab.xml EX-101.LAB 16179
4 EX-101.PRE cik0000773757-20241031_pre.xml EX-101.PRE 12374
7 EX-101.SCH cik0000773757-20241031.xsd EX-101.SCH 8435
33 EXTRACTED XBRL INSTANCE DOCUMENT 8dd25a724fa9825_htm.xml XML 192938

Series and Classes/Contracts Information:

Existing
  Status Name Ticker Symbol
CIK 0000773757      
Series S000012098   Columbia U.S. Treasury Index Fund
Class/Contract C000032988   Columbia U.S. Treasury Index Fund Class A LUTAX
Class/Contract C000032991   Columbia U.S. Treasury Index Fund Institutional Class IUTIX
Class/Contract C000122681   Columbia U.S. Treasury Index Fund Institutional 2 Class CUTRX
Class/Contract C000174616   Columbia U.S. Treasury Index Fund Institutional 3 Class CUTYX
Mailing Address 290 CONGRESS STREET BOSTON MA 02210
Business Address 290 CONGRESS STREET BOSTON MA 02210 800-345-6611
COLUMBIA FUNDS SERIES TRUST I (Filer) CIK: 0000773757 (see all company filings)

IRS No.: 363376651 | State of Incorp.: MA | Fiscal Year End: 0630
Type: N-CSRS | Act: 40 | File No.: 811-04367 | Film No.: 25505060