# EDGAR Filing Document

**Accession Number:** 0000773757
**File Stem:** 0001410368-26-033329
**Filing Date:** 2026-3
**Character Count:** 58489
**Document Hash:** e99e5c17b38a7193e6abed0d916857ed
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001410368-26-033329.hdr.sgml**: 20260327

**ACCESSION NUMBER**: 0001410368-26-033329

**CONFORMED SUBMISSION TYPE**: NPORT-P

**PUBLIC DOCUMENT COUNT**: 3

**CONFORMED PERIOD OF REPORT**: 20260131

**FILED AS OF DATE**: 20260327

**DATE AS OF CHANGE**: 20260327

**PERIOD START**: 20261031

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** COLUMBIA FUNDS SERIES TRUST I
- **CENTRAL INDEX KEY:** 0000773757

**ORGANIZATION NAME:**
- **EIN:** 363376651
- **STATE OF INCORPORATION:** MA
- **FISCAL YEAR END:** 0630

**FILING VALUES:**
- **FORM TYPE:** NPORT-P
- **SEC ACT:** 1940 Act
- **SEC FILE NUMBER:** 811-04367
- **FILM NUMBER:** 26804510

**BUSINESS ADDRESS:**
- **STREET 1:** 290 CONGRESS STREET
- **CITY:** BOSTON
- **STATE:** MA
- **ZIP:** 02210
- **BUSINESS PHONE:** 800-345-6611

**MAIL ADDRESS:**
- **STREET 1:** 290 CONGRESS STREET
- **CITY:** BOSTON
- **STATE:** MA
- **ZIP:** 02210

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** COLUMBIA FUNDS TRUST IX
- **DATE OF NAME CHANGE:** 20031107

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** LIBERTY STEIN ROE FUNDS MUNICIPAL TRUST
- **DATE OF NAME CHANGE:** 19991025

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** STEINROE MUNICIPAL TRUST
- **DATE OF NAME CHANGE:** 19920703

## Series and Classes Contracts Data

### Columbia Massachusetts Intermediate Municipal Bond Fund (Series ID: S000012087)

| Class ID   | Class Name                                                                    | Ticker Symbol   |
|:---|:---|:---|
| C000032942 | Columbia Massachusetts Intermediate Municipal Bond Fund Class A               | LMIAX           |
| C000032947 | Columbia Massachusetts Intermediate Municipal Bond Fund Institutional Class   | SEMAX           |
| C000184731 | Columbia Massachusetts Intermediate Municipal Bond Fund Institutional 3 Class | CMMYX           |

## Nport-Ex

![](img945e111b1.jpg)

Columbia Massachusetts Intermediate Municipal Bond Fund

**First Quarter Report**

January 31, 2026 (Unaudited)

---

| | | |
|:---|:---|:---|
| **Not FDIC or NCUA Insured** | **No Financial Institution Guarantee** | **May Lose Value** |

---

------

Portfolio of Investments

Columbia Massachusetts Intermediate Municipal Bond Fund, January 31, 2026 (Unaudited)

(Percentages represent value of investments compared to net assets)

**Investments in securities**

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;

---

| | | | |
|:---|:---|:---|:---|
| **Floating Rate Notes 1.4%** | **Floating Rate Notes 1.4%** | **Floating Rate Notes 1.4%** | **Floating Rate Notes 1.4%** |
| **Issue Description** | **Yield** | **Principal**<br> **Amount** <br> **($)**<br>| **Value ($)** |
| **Variable Rate Demand Notes 1.4%** | **Variable Rate Demand Notes 1.4%** | **Variable Rate Demand Notes 1.4%** | **Variable Rate Demand Notes 1.4%** |
| New York City Transitional Finance Authority<sup>(a),(b)</sup>  | New York City Transitional Finance Authority<sup>(a),(b)</sup>  | New York City Transitional Finance Authority<sup>(a),(b)</sup>  | New York City Transitional Finance Authority<sup>(a),(b)</sup>  |
| Revenue Bonds | Revenue Bonds | Revenue Bonds | Revenue Bonds |
| Future Tax Secured | Future Tax Secured | Future Tax Secured | Future Tax Secured |
| Subordinated Series 2015 (JPMorgan Chase Bank) | Subordinated Series 2015 (JPMorgan Chase Bank) | Subordinated Series 2015 (JPMorgan Chase Bank) | Subordinated Series 2015 (JPMorgan Chase Bank) |
| 02/01/2045 | &nbsp;&nbsp; 3.250% | 1000000 | &nbsp;&nbsp; 1000000 |
| &nbsp;&nbsp; Total Floating Rate Notes <br>(Cost $1,000,000) | &nbsp;&nbsp; Total Floating Rate Notes <br>(Cost $1,000,000) | &nbsp;&nbsp; Total Floating Rate Notes <br>(Cost $1,000,000) | &nbsp;&nbsp; **1000000** |
| **Municipal Bonds 97.0%** | **Municipal Bonds 97.0%** | **Municipal Bonds 97.0%** | **Municipal Bonds 97.0%** |
| **Issue Description** | **Coupon**<br> **Rate**<br>| **Principal**<br> **Amount** <br> **($)**<br>| **Value ($)** |
| **Airport 1.5%** | **Airport 1.5%** | **Airport 1.5%** | **Airport 1.5%** |
| Massachusetts Port Authority<sup>(c)</sup>  | Massachusetts Port Authority<sup>(c)</sup>  | Massachusetts Port Authority<sup>(c)</sup>  | Massachusetts Port Authority<sup>(c)</sup>  |
| Refunding Revenue Bonds | Refunding Revenue Bonds | Refunding Revenue Bonds | Refunding Revenue Bonds |
| BosFuel Project | BosFuel Project | BosFuel Project | BosFuel Project |
| Series 2019A | Series 2019A | Series 2019A | Series 2019A |
| 07/01/2038 | &nbsp;&nbsp; 5.000% | 1000000 | &nbsp;&nbsp; 1043303 |
| **Charter Schools 1.5%** | **Charter Schools 1.5%** | **Charter Schools 1.5%** | **Charter Schools 1.5%** |
| Massachusetts Development Finance Agency | Massachusetts Development Finance Agency | Massachusetts Development Finance Agency | Massachusetts Development Finance Agency |
| Refunding Revenue Bonds | Refunding Revenue Bonds | Refunding Revenue Bonds | Refunding Revenue Bonds |
| Foxborough Regional Charter | Foxborough Regional Charter | Foxborough Regional Charter | Foxborough Regional Charter |
| Series 2017 | Series 2017 | Series 2017 | Series 2017 |
| 07/01/2037 | &nbsp;&nbsp; 5.000% | 1000000 | &nbsp;&nbsp; 1008760 |
| **Higher Education 26.5%** | **Higher Education 26.5%** | **Higher Education 26.5%** | **Higher Education 26.5%** |
| Massachusetts Development Finance Agency | Massachusetts Development Finance Agency | Massachusetts Development Finance Agency | Massachusetts Development Finance Agency |
| Refundind Revenue Bonds | Refundind Revenue Bonds | Refundind Revenue Bonds | Refundind Revenue Bonds |
| Boston College | Boston College | Boston College | Boston College |
| Series 2025W | Series 2025W | Series 2025W | Series 2025W |
| 07/01/2039 | &nbsp;&nbsp; 5.000% | 1000000 | &nbsp;&nbsp; 1142221 |
| Boston University | Boston University | Boston University | Boston University |
| Series 2025 | Series 2025 | Series 2025 | Series 2025 |
| 10/01/2038 | &nbsp;&nbsp; 5.000% | 1000000 | &nbsp;&nbsp; 1149323 |
| Refunding Revenue Bonds | Refunding Revenue Bonds | Refunding Revenue Bonds | Refunding Revenue Bonds |
| Boston University | Boston University | Boston University | Boston University |
| Series 2006BB2 | Series 2006BB2 | Series 2006BB2 | Series 2006BB2 |
| 10/01/2037 | &nbsp;&nbsp; 4.000% | 1120000 | &nbsp;&nbsp; 1122663 |
| Brandeis University | Brandeis University | Brandeis University | Brandeis University |
| Series 2018R | Series 2018R | Series 2018R | Series 2018R |
| 10/01/2035 | &nbsp;&nbsp; 5.000% | 1005000 | &nbsp;&nbsp; 1058753 |
| 10/01/2036 | &nbsp;&nbsp; 5.000% | 1140000 | &nbsp;&nbsp; 1197618 |
| Series 2019 | Series 2019 | Series 2019 | Series 2019 |
| 10/01/2036 | &nbsp;&nbsp; 5.000% | 1535000 | &nbsp;&nbsp; 1629184 |

---

---

| | | | |
|:---|:---|:---|:---|
| **Municipal Bonds (continued)** | **Municipal Bonds (continued)** | **Municipal Bonds (continued)** | **Municipal Bonds (continued)** |
| **Issue Description** | **Coupon**<br> **Rate**<br>| **Principal**<br> **Amount** <br> **($)**<br>| **Value ($)** |
| Emerson College | Emerson College | Emerson College | Emerson College |
| Series 2017A | Series 2017A | Series 2017A | Series 2017A |
| 01/01/2033 | &nbsp;&nbsp; 5.000% | 1500000 | &nbsp;&nbsp; 1540789 |
| 01/01/2034 | &nbsp;&nbsp; 5.000% | 1000000 | &nbsp;&nbsp; 1025272 |
| Series 2025 | Series 2025 | Series 2025 | Series 2025 |
| 01/01/2041 | &nbsp;&nbsp; 5.250% | 615000 | &nbsp;&nbsp; 650054 |
| Northeastern University | Northeastern University | Northeastern University | Northeastern University |
| Series 2024 | Series 2024 | Series 2024 | Series 2024 |
| 10/01/2041 | &nbsp;&nbsp; 5.000% | 1000000 | &nbsp;&nbsp; 1123264 |
| Suffolk University | Suffolk University | Suffolk University | Suffolk University |
| Series 2019 | Series 2019 | Series 2019 | Series 2019 |
| 07/01/2035 | &nbsp;&nbsp; 5.000% | 870000 | &nbsp;&nbsp; 889347 |
| Woods Hole Oceanographic Institution | Woods Hole Oceanographic Institution | Woods Hole Oceanographic Institution | Woods Hole Oceanographic Institution |
| Series 2018 | Series 2018 | Series 2018 | Series 2018 |
| 06/01/2036 | &nbsp;&nbsp; 5.000% | 650000 | &nbsp;&nbsp; 678710 |
| Worcester Polytechnic Institute | Worcester Polytechnic Institute | Worcester Polytechnic Institute | Worcester Polytechnic Institute |
| Series 2017 | Series 2017 | Series 2017 | Series 2017 |
| 09/01/2037 | &nbsp;&nbsp; 5.000% | 290000 | &nbsp;&nbsp; 296849 |
| Revenue Bonds | Revenue Bonds | Revenue Bonds | Revenue Bonds |
| Babson College | Babson College | Babson College | Babson College |
| Series 2017 | Series 2017 | Series 2017 | Series 2017 |
| 10/01/2032 | &nbsp;&nbsp; 5.000% | 885000 | &nbsp;&nbsp; 920427 |
| 10/01/2033 | &nbsp;&nbsp; 5.000% | 900000 | &nbsp;&nbsp; 934558 |
| Bentley University | Bentley University | Bentley University | Bentley University |
| Series 2025 | Series 2025 | Series 2025 | Series 2025 |
| 07/01/2041 | &nbsp;&nbsp; 5.000% | 310000 | &nbsp;&nbsp; 339545 |
| 07/01/2042 | &nbsp;&nbsp; 5.000% | 235000 | &nbsp;&nbsp; 253656 |
| Brandeis University | Brandeis University | Brandeis University | Brandeis University |
| Series 2019S-2 | Series 2019S-2 | Series 2019S-2 | Series 2019S-2 |
| 10/01/2033 | &nbsp;&nbsp; 5.000% | 1150000 | &nbsp;&nbsp; 1228780 |
| Harvard University | Harvard University | Harvard University | Harvard University |
| Series 2025A-2 (Mandatory Put 11/15/35) | Series 2025A-2 (Mandatory Put 11/15/35) | Series 2025A-2 (Mandatory Put 11/15/35) | Series 2025A-2 (Mandatory Put 11/15/35) |
| 05/15/2055 | &nbsp;&nbsp; 5.000% | 1000000 | &nbsp;&nbsp; 1189581 |
| **Total** | **Total** | **Total** | &nbsp;&nbsp; **18370594** |
| **Hospital 10.5%** | **Hospital 10.5%** | **Hospital 10.5%** | **Hospital 10.5%** |
| Massachusetts Development Finance Agency | Massachusetts Development Finance Agency | Massachusetts Development Finance Agency | Massachusetts Development Finance Agency |
| Refunding Revenue Bonds | Refunding Revenue Bonds | Refunding Revenue Bonds | Refunding Revenue Bonds |
| Mass General Brigham | Mass General Brigham | Mass General Brigham | Mass General Brigham |
| Series 2024D | Series 2024D | Series 2024D | Series 2024D |
| 07/01/2042 | &nbsp;&nbsp; 5.000% | 1000000 | &nbsp;&nbsp; 1080136 |
| Partners HealthCare System | Partners HealthCare System | Partners HealthCare System | Partners HealthCare System |
| Series 2016 | Series 2016 | Series 2016 | Series 2016 |
| 07/01/2031 | &nbsp;&nbsp; 5.000% | 1000000 | &nbsp;&nbsp; 1010309 |
| UMass Memorial Healthcare | UMass Memorial Healthcare | UMass Memorial Healthcare | UMass Memorial Healthcare |
| Series 2016I | Series 2016I | Series 2016I | Series 2016I |
| 07/01/2030 | &nbsp;&nbsp; 5.000% | 1000000 | &nbsp;&nbsp; 1008415 |

---

Columbia Massachusetts Intermediate Municipal Bond Fund \| 2026

------

Portfolio of Investments (continued)

Columbia Massachusetts Intermediate Municipal Bond Fund, January 31, 2026 (Unaudited)

---

| | | | |
|:---|:---|:---|:---|
| **Municipal Bonds (continued)** | **Municipal Bonds (continued)** | **Municipal Bonds (continued)** | **Municipal Bonds (continued)** |
| **Issue Description** | **Coupon**<br> **Rate**<br>| **Principal**<br> **Amount** <br> **($)**<br>| **Value ($)** |
| Series 2017 | Series 2017 | Series 2017 | Series 2017 |
| 07/01/2031 | &nbsp;&nbsp; 5.000% | 1000000 | &nbsp;&nbsp; 1026043 |
| Revenue Bonds | Revenue Bonds | Revenue Bonds | Revenue Bonds |
| CareGroup | CareGroup | CareGroup | CareGroup |
| Series 2018J1 | Series 2018J1 | Series 2018J1 | Series 2018J1 |
| 07/01/2036 | &nbsp;&nbsp; 5.000% | 985000 | &nbsp;&nbsp; 1026643 |
| 07/01/2037 | &nbsp;&nbsp; 5.000% | 1035000 | &nbsp;&nbsp; 1075498 |
| Mass General Brigham | Mass General Brigham | Mass General Brigham | Mass General Brigham |
| Series 2026F | Series 2026F | Series 2026F | Series 2026F |
| 07/01/2043 | &nbsp;&nbsp; 5.000% | 940000 | &nbsp;&nbsp; 1026945 |
| **Total** | **Total** | **Total** | &nbsp;&nbsp; **7253989** |
| **Human Service Provider 1.4%** | **Human Service Provider 1.4%** | **Human Service Provider 1.4%** | **Human Service Provider 1.4%** |
| Massachusetts Development Finance Agency | Massachusetts Development Finance Agency | Massachusetts Development Finance Agency | Massachusetts Development Finance Agency |
| Refunding Revenue Bonds | Refunding Revenue Bonds | Refunding Revenue Bonds | Refunding Revenue Bonds |
| Seven Hills Foundation | Seven Hills Foundation | Seven Hills Foundation | Seven Hills Foundation |
| Series 2021 | Series 2021 | Series 2021 | Series 2021 |
| 09/01/2039 | &nbsp;&nbsp; 4.000% | 1000000 | &nbsp;&nbsp; 1001187 |
| **Joint Power Authority 1.5%** | **Joint Power Authority 1.5%** | **Joint Power Authority 1.5%** | **Joint Power Authority 1.5%** |
| Berkshire Wind Power Cooperative Corp. | Berkshire Wind Power Cooperative Corp. | Berkshire Wind Power Cooperative Corp. | Berkshire Wind Power Cooperative Corp. |
| Refunding Revenue Bonds | Refunding Revenue Bonds | Refunding Revenue Bonds | Refunding Revenue Bonds |
| Berkshire Wind Project | Berkshire Wind Project | Berkshire Wind Project | Berkshire Wind Project |
| Series 2017 | Series 2017 | Series 2017 | Series 2017 |
| 07/01/2029 | &nbsp;&nbsp; 5.000% | 1000000 | &nbsp;&nbsp; 1034059 |
| **Local General Obligation 1.6%** | **Local General Obligation 1.6%** | **Local General Obligation 1.6%** | **Local General Obligation 1.6%** |
| City of Boston | City of Boston | City of Boston | City of Boston |
| Unlimited General Obligation Bonds | Unlimited General Obligation Bonds | Unlimited General Obligation Bonds | Unlimited General Obligation Bonds |
| Series 2025A | Series 2025A | Series 2025A | Series 2025A |
| 02/01/2042 | &nbsp;&nbsp; 5.000% | 1000000 | &nbsp;&nbsp; 1116389 |
| **Multi-Family 1.5%** | **Multi-Family 1.5%** | **Multi-Family 1.5%** | **Multi-Family 1.5%** |
| Massachusetts Development Finance Agency<sup>(d)</sup>  | Massachusetts Development Finance Agency<sup>(d)</sup>  | Massachusetts Development Finance Agency<sup>(d)</sup>  | Massachusetts Development Finance Agency<sup>(d)</sup>  |
| Revenue Bonds | Revenue Bonds | Revenue Bonds | Revenue Bonds |
| Merrimack College Student Housing Project | Merrimack College Student Housing Project | Merrimack College Student Housing Project | Merrimack College Student Housing Project |
| Series 2024 | Series 2024 | Series 2024 | Series 2024 |
| 07/01/2044 | &nbsp;&nbsp; 5.000% | 500000 | &nbsp;&nbsp; 502718 |
| Massachusetts Development Finance Agency | Massachusetts Development Finance Agency | Massachusetts Development Finance Agency | Massachusetts Development Finance Agency |
| Revenue Bonds | Revenue Bonds | Revenue Bonds | Revenue Bonds |
| Tufts University Student Housing Project | Tufts University Student Housing Project | Tufts University Student Housing Project | Tufts University Student Housing Project |
| Series 2025 | Series 2025 | Series 2025 | Series 2025 |
| 06/01/2038 | &nbsp;&nbsp; 5.000% | 500000 | &nbsp;&nbsp; 561643 |
| **Total** | **Total** | **Total** | &nbsp;&nbsp; **1064361** |

---

---

| | | | |
|:---|:---|:---|:---|
| **Municipal Bonds (continued)** | **Municipal Bonds (continued)** | **Municipal Bonds (continued)** | **Municipal Bonds (continued)** |
| **Issue Description** | **Coupon**<br> **Rate**<br>| **Principal**<br> **Amount** <br> **($)**<br>| **Value ($)** |
| **Other Bond Issue 3.0%** | **Other Bond Issue 3.0%** | **Other Bond Issue 3.0%** | **Other Bond Issue 3.0%** |
| Massachusetts Development Finance Agency | Massachusetts Development Finance Agency | Massachusetts Development Finance Agency | Massachusetts Development Finance Agency |
| Refunding Revenue Bonds | Refunding Revenue Bonds | Refunding Revenue Bonds | Refunding Revenue Bonds |
| Broad Institute | Broad Institute | Broad Institute | Broad Institute |
| Series 2017 | Series 2017 | Series 2017 | Series 2017 |
| 04/01/2034 | &nbsp;&nbsp; 5.000% | 1000000 | &nbsp;&nbsp; 1035134 |
| 04/01/2035 | &nbsp;&nbsp; 5.000% | 1000000 | &nbsp;&nbsp; 1032730 |
| **Total** | **Total** | **Total** | &nbsp;&nbsp; **2067864** |
| **Pool / Bond Bank 4.1%** | **Pool / Bond Bank 4.1%** | **Pool / Bond Bank 4.1%** | **Pool / Bond Bank 4.1%** |
| Massachusetts Clean Water Trust (The)<sup>(e)</sup>  | Massachusetts Clean Water Trust (The)<sup>(e)</sup>  | Massachusetts Clean Water Trust (The)<sup>(e)</sup>  | Massachusetts Clean Water Trust (The)<sup>(e)</sup>  |
| Refunding Revenue Bonds | Refunding Revenue Bonds | Refunding Revenue Bonds | Refunding Revenue Bonds |
| State Revolving Fund Bond | State Revolving Fund Bond | State Revolving Fund Bond | State Revolving Fund Bond |
| Series 2026 | Series 2026 | Series 2026 | Series 2026 |
| 02/01/2037 | &nbsp;&nbsp; 5.000% | 1000000 | &nbsp;&nbsp; 1188338 |
| Massachusetts Clean Water Trust (The) | Massachusetts Clean Water Trust (The) | Massachusetts Clean Water Trust (The) | Massachusetts Clean Water Trust (The) |
| Revenue Bonds | Revenue Bonds | Revenue Bonds | Revenue Bonds |
| Series 2025B | Series 2025B | Series 2025B | Series 2025B |
| 02/01/2043 | &nbsp;&nbsp; 5.000% | 1000000 | &nbsp;&nbsp; 1108775 |
| Sustainability Bonds | Sustainability Bonds | Sustainability Bonds | Sustainability Bonds |
| Series 2023-25B | Series 2023-25B | Series 2023-25B | Series 2023-25B |
| 02/01/2040 | &nbsp;&nbsp; 5.000% | 500000 | &nbsp;&nbsp; 559306 |
| **Total** | **Total** | **Total** | &nbsp;&nbsp; **2856419** |
| **Prep School 2.9%** | **Prep School 2.9%** | **Prep School 2.9%** | **Prep School 2.9%** |
| Massachusetts Development Finance Agency | Massachusetts Development Finance Agency | Massachusetts Development Finance Agency | Massachusetts Development Finance Agency |
| Revenue Bonds | Revenue Bonds | Revenue Bonds | Revenue Bonds |
| Middlesex School Issue | Middlesex School Issue | Middlesex School Issue | Middlesex School Issue |
| Series 2024 | Series 2024 | Series 2024 | Series 2024 |
| 07/01/2034 | &nbsp;&nbsp; 5.000% | 800000 | &nbsp;&nbsp; 944111 |
| Trustees of Deerfield Academy | Trustees of Deerfield Academy | Trustees of Deerfield Academy | Trustees of Deerfield Academy |
| Series 2023 | Series 2023 | Series 2023 | Series 2023 |
| 10/01/2032 | &nbsp;&nbsp; 5.000% | 925000 | &nbsp;&nbsp; 1081411 |
| **Total** | **Total** | **Total** | &nbsp;&nbsp; **2025522** |
| **Refunded / Escrowed 5.4%** | **Refunded / Escrowed 5.4%** | **Refunded / Escrowed 5.4%** | **Refunded / Escrowed 5.4%** |
| Massachusetts State College Building Authority<sup>(f)</sup>  | Massachusetts State College Building Authority<sup>(f)</sup>  | Massachusetts State College Building Authority<sup>(f)</sup>  | Massachusetts State College Building Authority<sup>(f)</sup>  |
| Revenue Bonds | Revenue Bonds | Revenue Bonds | Revenue Bonds |
| Capital Appreciation | Capital Appreciation | Capital Appreciation | Capital Appreciation |
| Series 1999A Escrowed to Maturity (NPFGC) | Series 1999A Escrowed to Maturity (NPFGC) | Series 1999A Escrowed to Maturity (NPFGC) | Series 1999A Escrowed to Maturity (NPFGC) |
| 05/01/2028 | &nbsp;&nbsp; 0.000% | 4000000 | &nbsp;&nbsp; 3765984 |
| **Retirement Communities 10.6%** | **Retirement Communities 10.6%** | **Retirement Communities 10.6%** | **Retirement Communities 10.6%** |
| Massachusetts Development Finance Agency<sup>(d)</sup>  | Massachusetts Development Finance Agency<sup>(d)</sup>  | Massachusetts Development Finance Agency<sup>(d)</sup>  | Massachusetts Development Finance Agency<sup>(d)</sup>  |
| Refunding Revenue Bonds | Refunding Revenue Bonds | Refunding Revenue Bonds | Refunding Revenue Bonds |
| Loomis Obligated Group | Loomis Obligated Group | Loomis Obligated Group | Loomis Obligated Group |
| Series 2022 | Series 2022 | Series 2022 | Series 2022 |
| 01/01/2031 | &nbsp;&nbsp; 4.000% | 1500000 | &nbsp;&nbsp; 1537217 |
| Newbridge Charles, Inc. | Newbridge Charles, Inc. | Newbridge Charles, Inc. | Newbridge Charles, Inc. |
| Series 2017 | Series 2017 | Series 2017 | Series 2017 |
| 10/01/2032 | &nbsp;&nbsp; 4.000% | 1500000 | &nbsp;&nbsp; 1503115 |

---

Columbia Massachusetts Intermediate Municipal Bond Fund \| 2026

------

Portfolio of Investments (continued)

Columbia Massachusetts Intermediate Municipal Bond Fund, January 31, 2026 (Unaudited)

---

| | | | |
|:---|:---|:---|:---|
| **Municipal Bonds (continued)** | **Municipal Bonds (continued)** | **Municipal Bonds (continued)** | **Municipal Bonds (continued)** |
| **Issue Description** | **Coupon**<br> **Rate**<br>| **Principal**<br> **Amount** <br> **($)**<br>| **Value ($)** |
| Revenue Bonds | Revenue Bonds | Revenue Bonds | Revenue Bonds |
| Linden Ponds, Inc. Facility | Linden Ponds, Inc. Facility | Linden Ponds, Inc. Facility | Linden Ponds, Inc. Facility |
| Series 2018 | Series 2018 | Series 2018 | Series 2018 |
| 11/15/2033 | &nbsp;&nbsp; 5.000% | 1500000 | &nbsp;&nbsp; 1546897 |
| Massachusetts Development Finance Agency | Massachusetts Development Finance Agency | Massachusetts Development Finance Agency | Massachusetts Development Finance Agency |
| Refunding Revenue Bonds | Refunding Revenue Bonds | Refunding Revenue Bonds | Refunding Revenue Bonds |
| Orchard Cove, Inc. | Orchard Cove, Inc. | Orchard Cove, Inc. | Orchard Cove, Inc. |
| Series 2019 | Series 2019 | Series 2019 | Series 2019 |
| 10/01/2039 | &nbsp;&nbsp; 4.000% | 985000 | &nbsp;&nbsp; 979349 |
| 10/01/2039 | &nbsp;&nbsp; 5.000% | 250000 | &nbsp;&nbsp; 256406 |
| Salem Community Corp. | Salem Community Corp. | Salem Community Corp. | Salem Community Corp. |
| Series 2022 | Series 2022 | Series 2022 | Series 2022 |
| 01/01/2040 | &nbsp;&nbsp; 5.125% | 1000000 | &nbsp;&nbsp; 1012305 |
| Revenue Bonds | Revenue Bonds | Revenue Bonds | Revenue Bonds |
| Lasall Village, Inc. | Lasall Village, Inc. | Lasall Village, Inc. | Lasall Village, Inc. |
| Series 2025 | Series 2025 | Series 2025 | Series 2025 |
| 07/01/2029 | &nbsp;&nbsp; 5.000% | 500000 | &nbsp;&nbsp; 530319 |
| **Total** | **Total** | **Total** | &nbsp;&nbsp; **7365608** |
| **Sales Tax 10.9%** | **Sales Tax 10.9%** | **Sales Tax 10.9%** | **Sales Tax 10.9%** |
| Massachusetts Bay Transportation Authority<sup>(f)</sup>  | Massachusetts Bay Transportation Authority<sup>(f)</sup>  | Massachusetts Bay Transportation Authority<sup>(f)</sup>  | Massachusetts Bay Transportation Authority<sup>(f)</sup>  |
| Refunding Revenue Bonds | Refunding Revenue Bonds | Refunding Revenue Bonds | Refunding Revenue Bonds |
| Series 2016A | Series 2016A | Series 2016A | Series 2016A |
| 07/01/2029 | &nbsp;&nbsp; 0.000% | 3000000 | &nbsp;&nbsp; 2728788 |
| 07/01/2032 | &nbsp;&nbsp; 0.000% | 5105000 | &nbsp;&nbsp; 4202966 |
| Massachusetts School Building Authority | Massachusetts School Building Authority | Massachusetts School Building Authority | Massachusetts School Building Authority |
| Refunding Revenue Bonds | Refunding Revenue Bonds | Refunding Revenue Bonds | Refunding Revenue Bonds |
| Sustainable Bonds | Sustainable Bonds | Sustainable Bonds | Sustainable Bonds |
| Subordinated Series 2025 | Subordinated Series 2025 | Subordinated Series 2025 | Subordinated Series 2025 |
| 02/15/2038 | &nbsp;&nbsp; 5.000% | 500000 | &nbsp;&nbsp; 608503 |
| **Total** | **Total** | **Total** | &nbsp;&nbsp; **7540257** |
| **Special Non Property Tax 0.8%** | **Special Non Property Tax 0.8%** | **Special Non Property Tax 0.8%** | **Special Non Property Tax 0.8%** |
| Commonwealth of Massachusetts Transportation Fund | Commonwealth of Massachusetts Transportation Fund | Commonwealth of Massachusetts Transportation Fund | Commonwealth of Massachusetts Transportation Fund |
| Revenue Bonds | Revenue Bonds | Revenue Bonds | Revenue Bonds |
| Rail Enhancement Program | Rail Enhancement Program | Rail Enhancement Program | Rail Enhancement Program |
| Series 2024A | Series 2024A | Series 2024A | Series 2024A |
| 06/01/2044 | &nbsp;&nbsp; 5.000% | 500000 | &nbsp;&nbsp; 542768 |
| **State General Obligation 11.7%** | **State General Obligation 11.7%** | **State General Obligation 11.7%** | **State General Obligation 11.7%** |
| Commonwealth of Massachusetts | Commonwealth of Massachusetts | Commonwealth of Massachusetts | Commonwealth of Massachusetts |
| Limited General Obligation Bonds | Limited General Obligation Bonds | Limited General Obligation Bonds | Limited General Obligation Bonds |
| Consolidated Loan of 2023 | Consolidated Loan of 2023 | Consolidated Loan of 2023 | Consolidated Loan of 2023 |
| Series 2023 | Series 2023 | Series 2023 | Series 2023 |
| 05/01/2040 | &nbsp;&nbsp; 5.000% | 1000000 | &nbsp;&nbsp; 1116239 |

---

---

| | | | |
|:---|:---|:---|:---|
| **Municipal Bonds (continued)** | **Municipal Bonds (continued)** | **Municipal Bonds (continued)** | **Municipal Bonds (continued)** |
| **Issue Description** | **Coupon**<br> **Rate**<br>| **Principal**<br> **Amount** <br> **($)**<br>| **Value ($)** |
| Series 2016I | Series 2016I | Series 2016I | Series 2016I |
| 12/01/2030 | &nbsp;&nbsp; 5.000% | 3000000 | &nbsp;&nbsp; 3063787 |
| Series 2025A | Series 2025A | Series 2025A | Series 2025A |
| 04/01/2042 | &nbsp;&nbsp; 5.000% | 500000 | &nbsp;&nbsp; 560007 |
| Limited General Obligation Refunding Bonds | Limited General Obligation Refunding Bonds | Limited General Obligation Refunding Bonds | Limited General Obligation Refunding Bonds |
| Series 2023C | Series 2023C | Series 2023C | Series 2023C |
| 08/01/2040 | &nbsp;&nbsp; 5.000% | 1000000 | &nbsp;&nbsp; 1117663 |
| Series 2024A | Series 2024A | Series 2024A | Series 2024A |
| 03/01/2039 | &nbsp;&nbsp; 5.000% | 1000000 | &nbsp;&nbsp; 1137326 |
| Unlimited General Obligation Bonds | Unlimited General Obligation Bonds | Unlimited General Obligation Bonds | Unlimited General Obligation Bonds |
| Consolidated Loan | Consolidated Loan | Consolidated Loan | Consolidated Loan |
| Series 2024D | Series 2024D | Series 2024D | Series 2024D |
| 08/01/2041 | &nbsp;&nbsp; 5.000% | 1000000 | &nbsp;&nbsp; 1123323 |
| **Total** | **Total** | **Total** | &nbsp;&nbsp; **8118345** |
| **Water & Sewer 1.6%** | **Water & Sewer 1.6%** | **Water & Sewer 1.6%** | **Water & Sewer 1.6%** |
| Massachusetts Water Resources Authority | Massachusetts Water Resources Authority | Massachusetts Water Resources Authority | Massachusetts Water Resources Authority |
| Revenue Bonds | Revenue Bonds | Revenue Bonds | Revenue Bonds |
| Series 2024C | Series 2024C | Series 2024C | Series 2024C |
| 08/01/2040 | &nbsp;&nbsp; 5.000% | 1000000 | &nbsp;&nbsp; 1131174 |
| &nbsp;&nbsp; Total Municipal Bonds <br>(Cost $66,633,867) | &nbsp;&nbsp; Total Municipal Bonds <br>(Cost $66,633,867) | &nbsp;&nbsp; Total Municipal Bonds <br>(Cost $66,633,867) | &nbsp;&nbsp; **67306583** |

---

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;

---

| | | |
|:---|:---|:---|
| **Money Market Funds 2.7%** | **Money Market Funds 2.7%** | **Money Market Funds 2.7%** |
|  | **Shares** | **Value ($)** |
| &nbsp;&nbsp; BlackRock Liquidity Funds MuniCash, Institutional <br> Shares, 2.029%<sup>(g)</sup> <br>| &nbsp;&nbsp; 1885756 | &nbsp;&nbsp; 1885944 |
| &nbsp;&nbsp; Total Money Market Funds <br>(Cost $1,885,756) | &nbsp;&nbsp; Total Money Market Funds <br>(Cost $1,885,756) | &nbsp;&nbsp; **1885944** |
| **Total Investments in Securities** <br>**(Cost: $69,519,623)** | **Total Investments in Securities** <br>**(Cost: $69,519,623)** | &nbsp;&nbsp; **70192527** |
| **Other Assets & Liabilities, Net** |  | &nbsp;&nbsp; **(771974)**<br>|
| **Net Assets** | **Net Assets** | &nbsp;&nbsp; **69420553** |

---

Columbia Massachusetts Intermediate Municipal Bond Fund \| 2026

------

Portfolio of Investments (continued)

Columbia Massachusetts Intermediate Municipal Bond Fund, January 31, 2026 (Unaudited)

**Notes to Portfolio of Investments** 

&nbsp;&nbsp;&nbsp;&nbsp;(a) The Fund is entitled to receive principal and interest from the guarantor after a day or a week's notice or upon maturity. The maturity date disclosed represents the final maturity.

&nbsp;&nbsp;&nbsp;&nbsp;(b) Represents a variable rate security where the coupon rate adjusts on specified dates
 (generally daily or weekly) using the prevailing money market rate. The interest rate shown was the current rate as of January 31, 2026.

&nbsp;&nbsp;&nbsp;&nbsp;(c) Income from this security may be subject to alternative minimum tax.

&nbsp;&nbsp;&nbsp;&nbsp;(d) Represents privately placed and other securities and instruments exempt from Securities
 and Exchange Commission registration (collectively, private placements), such as Section 4(a)(2) and Rule 144A eligible securities, which are often sold only
 to qualified institutional buyers. At January 31, 2026, the total value of these securities amounted to $5,089,947, which represents 7.33% of total net assets.

&nbsp;&nbsp;&nbsp;&nbsp;(e) Represents a security purchased on a when-issued basis.

&nbsp;&nbsp;&nbsp;&nbsp;(f) Zero coupon bond.

&nbsp;&nbsp;&nbsp;&nbsp;(g) The rate shown is the seven-day current annualized yield at January 31, 2026.

**Abbreviation Legend** 

NPFGC National Public Finance Guarantee Corporation

Investments are valued using policies described in the Notes to Financial Statements included within the most recent financial statements and additional information.

Columbia Massachusetts Intermediate Municipal Bond Fund \| 2026

------

You may at any time request, free of charge, to receive a paper copy of this report by calling 800.345.6611.

1QT191_10_T01_(03/26)

------

## Form NPORT-P: Monthly Portfolio Investments Report

### NPORT-P: Part A: General Information

**Item A.1. Information about the Registrant.**

- **a. Name of Registrant:** COLUMBIA FUNDS SERIES TRUST I

- **b. Investment Company Act file number:** 811-04367

- **c. CIK number of Registrant:** 0000773757

- **d. LEI of Registrant:** 549300W5GIE6ZOZOTD82

- **e. Address and telephone number of Registrant.**

  - **Street Address 1:** 290 Congress Street

  - **City:** Boston

  - **State:** MA

  - **Foreign country:** US

  - **Zip / Postal Code:** 02210

  - **Telephone number:** 1800-345-6611

**Item A.2. Information about the Series.**

- **a. Name of Series:** Columbia Massachusetts Intermediate Municipal Bond Fund

- **b. EDGAR series identifier (if any):** S000012087

- **c. LEI of Series:** DG4C0BPCZ0YCXEGRLK29

**Item A.3. Reporting period.**

- **a. Date of fiscal year-end:** 2026-10-31

- **b. Date as of which information is reported:** 2026-01-31

**Item A.4. Final filing**

Does the Fund anticipate that this will be its final filing on Form N-PORT? **No**

### Fund Information

**Total Assets:** $70800632.91

**Total Liabilities:** $1402938.13

**Net Assets:** $69397694.78

**Delayed Delivery Securities:** $1184790.00

**Currency Risk Metrics (dv01):**

- 

**Credit Spread Risk - Investment Grade (dv01):**

- **3-Month:** 0.00000000 | **1-Year:** 0.00000000 | **5-Year:** 4130.01000000 | **10-Year:** 24085.90000000 | **30-Year:** 955.43000000

**Credit Spread Risk - Non-Investment Grade (dv01):**

- **3-Month:** 0.00000000 | **1-Year:** 847.78000000 | **5-Year:** 350.32000000 | **10-Year:** 1106.49000000 | **30-Year:** 0.00000000

**Monthly Return Information**

| Class               | Month 1 Return (%)   | Month 2 Return (%)   | Month 3 Return (%)   |
|:---|:---|:---|:---|
| Class ID C000032942 | 0.31%                | 0.32%                | 0.83%                |
| Class ID C000032947 | 0.44%                | 0.23%                | 0.85%                |
| Class ID C000184731 | 0.34%                | 0.34%                | 0.86%                |

**Monthly Gains & Losses**

| Period   | Net Realized Gain/Loss   | Net Unrealized Appreciation/Depreciation   |
|:---|:---|:---|
| Month 1  | $0.00                    | $104440.60                                 |
| Month 2  | $-2711.94                | $25655.28                                  |
| Month 3  | $0.00                    | $426289.59                                 |

### Schedule of Portfolio Investments

| Name                                                                    | Title                                                 | Identifiers                                   | Payoff Profile   | Asset Category   | Issuer Category   | Country   |   Balance | Units   | Value (USD)   | % of Net Assets   | Maturity Date   | Coupon Type   | Annualized Rate (%)   | Restricted?   |   Fair Value Level | Lending Status   |
|:---|:---|:---|:---|:---|:---|:---|---:|:---|:---|:---|:---|:---|:---|:---|---:|:---|
| Berkshire Wind Power Cooperative Corp                                   | BERKSHIRE MA WIND PWR COOP CORP MMWEC PROJ            | CUSIP: 084719BD4<br>LEI: N/A                  | Long             | DBT              | MUN               | US        |   1000000 | PA      | $1034059.10   | 1.49%             | 2029-07-01      | Fixed         | 5.00%                 | No            |                  2 | On Loan: No      |
| BlackRock Liquidity Funds MuniCash                                      | BlackRock Liquidity Funds MuniCash                    | CUSIP: 09248U841<br>LEI: 549300RWBJ885673DL84 | Long             | EC               | RF                | US        |   1885756 | NS      | $1885944.39   | 2.72%             |  |  |  | No            |                  1 | On Loan: No      |
| BOSTON MASS                                                             | BOSTON MASS                                           | CUSIP: 100853N30<br>LEI: N/A                  | Long             | DBT              | MUN               | US        |   1000000 | PA      | $1116389.00   | 1.61%             | 2042-02-01      | Fixed         | 5.00%                 | No            |                  2 | On Loan: No      |
| Massachusetts Bay Transportation Authority Sales Tax Revenue            | MASSACHUSETTS ST BAY TRANSPRTN AUTH SALES TAX REVENUE | CUSIP: 575579ZP5<br>LEI: 549300D2U0XBUXGX8P68 | Long             | DBT              | MUN               | US        |   3000000 | PA      | $2728787.70   | 3.93%             | 2029-07-01      | None          | 0.00%                 | No            |                  2 | On Loan: No      |
| Massachusetts Bay Transportation Authority Sales Tax Revenue            | MASSACHUSETTS ST BAY TRANSPRTN AUTH SALES TAX REVENUE | CUSIP: 575579ZS9<br>LEI: 549300D2U0XBUXGX8P68 | Long             | DBT              | MUN               | US        |   5105000 | PA      | $4202966.41   | 6.06%             | 2032-07-01      | None          | 0.00%                 | No            |                  2 | On Loan: No      |
| Massachusetts Clean Water Trust/The                                     | MASSACHUSETTS ST CLEAN WTR TRUST                      | CUSIP: 575829MN3<br>LEI: 549300SYPEROLSQU0261 | Long             | DBT              | MUN               | US        |    500000 | PA      | $559305.65    | 0.81%             | 2040-02-01      | Fixed         | 5.00%                 | No            |                  2 | On Loan: No      |
| Massachusetts Clean Water Trust/The                                     | MASSACHUSETTS ST CLEAN WTR TRUST                      | CUSIP: 575829NQ5<br>LEI: 549300SYPEROLSQU0261 | Long             | DBT              | MUN               | US        |   1000000 | PA      | $1108774.70   | 1.60%             | 2043-02-01      | Fixed         | 5.00%                 | No            |                  2 | On Loan: No      |
| MASSACHUSETTS CLEAN WATER TRUST                                         | MASSACHUSETTS CLEAN WATER TRUST                       | CUSIP: 575829PR1<br>LEI: 549300SYPEROLSQU0261 | Long             | DBT              | MUN               | US        |   1000000 | PA      | $1188338.50   | 1.71%             | 2037-02-01      | Fixed         | 5.00%                 | No            |                  2 | On Loan: No      |
| Commonwealth of Massachusetts                                           | MASSACHUSETTS ST                                      | CUSIP: 57582R2W5<br>LEI: 5493001N1YCXNI1O7K10 | Long             | DBT              | MUN               | US        |   1000000 | PA      | $1116239.10   | 1.61%             | 2040-05-01      | Fixed         | 5.00%                 | No            |                  2 | On Loan: No      |
| Commonwealth of Massachusetts                                           | MASSACHUSETTS ST                                      | CUSIP: 57582R4X1<br>LEI: 5493001N1YCXNI1O7K10 | Long             | DBT              | MUN               | US        |   1000000 | PA      | $1117663.10   | 1.61%             | 2040-08-01      | Fixed         | 5.00%                 | No            |                  2 | On Loan: No      |
| Commonwealth of Massachusetts                                           | MASSACHUSETTS ST                                      | CUSIP: 57582R6E1<br>LEI: 5493001N1YCXNI1O7K10 | Long             | DBT              | MUN               | US        |   1000000 | PA      | $1137326.00   | 1.64%             | 2039-03-01      | Fixed         | 5.00%                 | No            |                  2 | On Loan: No      |
| MASSACHUSETTS ST MAS 12/30 FIXED 5                                      | MASSACHUSETTS (COMMONWEALTH OF)                       | CUSIP: 57582RLV6<br>LEI: 5493001N1YCXNI1O7K10 | Long             | DBT              | MUN               | US        |   3000000 | PA      | $3063786.90   | 4.41%             | 2030-12-01      | Fixed         | 5.00%                 | No            |                  2 | On Loan: No      |
| Commonwealth of Massachusetts                                           | MASSACHUSETTS ST                                      | CUSIP: 57582TAJ1<br>LEI: 5493001N1YCXNI1O7K10 | Long             | DBT              | MUN               | US        |   1000000 | PA      | $1123322.70   | 1.62%             | 2041-08-01      | Fixed         | 5.00%                 | No            |                  2 | On Loan: No      |
| Commonwealth of Massachusetts                                           | MASSACHUSETTS ST                                      | CUSIP: 57582TCK6<br>LEI: 5493001N1YCXNI1O7K10 | Long             | DBT              | MUN               | US        |    500000 | PA      | $560007.25    | 0.81%             | 2042-04-01      | Fixed         | 5.00%                 | No            |                  2 | On Loan: No      |
| MASSACHUSETTS ST COLLEGE BLDG AUTH                                      | MASSACHUSETTS ST COLLEGE BLDG AUTH                    | CUSIP: 575832GX2<br>LEI: N/A                  | Long             | DBT              | MUN               | US        |   4000000 | PA      | $3765983.60   | 5.43%             | 2028-05-01      | None          | 0.00%                 | No            |                  2 | On Loan: No      |
| MASSACHUSETTS ST DEV FIN AGY                                            | MASSACHUSETTS ST DEV FIN AGY                          | CUSIP: 57584X2C4<br>LEI: 549300UZSVMFXJK08K70 | Long             | DBT              | MUN               | US        |    290000 | PA      | $296848.87    | 0.43%             | 2037-09-01      | Fixed         | 5.00%                 | No            |                  2 | On Loan: No      |
| Massachusetts Development Finance Agency                                | MASSACHUSETTS ST DEV FIN AGY                          | CUSIP: 57584X3A7<br>LEI: 549300UZSVMFXJK08K70 | Long             | DBT              | MUN               | US        |   1000000 | PA      | $1035133.80   | 1.49%             | 2034-04-01      | Fixed         | 5.00%                 | No            |                  2 | On Loan: No      |
| MASSACHUSETTS ST DEV FIN AGY R                                          | MASSACHUSETTS ST DEV FIN AGY                          | CUSIP: 57584X3B5<br>LEI: 549300UZSVMFXJK08K70 | Long             | DBT              | MUN               | US        |   1000000 | PA      | $1032730.30   | 1.49%             | 2035-04-01      | Fixed         | 5.00%                 | No            |                  2 | On Loan: No      |
| Massachusetts Development Finance Agency                                | MASSACHUSETTS ST DEV FIN AGY REVENUE                  | CUSIP: 57584X4K4<br>LEI: 549300UZSVMFXJK08K70 | Long             | DBT              | MUN               | US        |   1500000 | PA      | $1503115.05   | 2.17%             | 2032-10-01      | Fixed         | 4.00%                 | No            |                  2 | On Loan: No      |
| Massachusetts Development Finance Agency                                | MASSACHUSETTS ST DEV FIN AGY REVENUE                  | CUSIP: 57584XHU8<br>LEI: 549300UZSVMFXJK08K70 | Long             | DBT              | MUN               | US        |   1000000 | PA      | $1010309.00   | 1.46%             | 2031-07-01      | Fixed         | 5.00%                 | No            |                  2 | On Loan: No      |
| Massachusetts Development Finance Agency                                | MASSACHUSETTS ST DEV FIN AGY REVENUE                  | CUSIP: 57584XJX0<br>LEI: 549300UZSVMFXJK08K70 | Long             | DBT              | MUN               | US        |   1000000 | PA      | $1008414.90   | 1.45%             | 2030-07-01      | Fixed         | 5.00%                 | No            |                  2 | On Loan: No      |
| Massachusetts Development Finance Agency                                | MASSACHUSETTS ST DEV FIN AGY REVENUE                  | CUSIP: 57584XU25<br>LEI: 549300UZSVMFXJK08K70 | Long             | DBT              | MUN               | US        |   1500000 | PA      | $1540789.20   | 2.22%             | 2033-01-01      | Fixed         | 5.00%                 | No            |                  2 | On Loan: No      |
| Massachusetts Development Finance Agency                                | MASSACHUSETTS ST DEV FIN AGY REVENUE                  | CUSIP: 57584XU33<br>LEI: 549300UZSVMFXJK08K70 | Long             | DBT              | MUN               | US        |   1000000 | PA      | $1025272.00   | 1.48%             | 2034-01-01      | Fixed         | 5.00%                 | No            |                  2 | On Loan: No      |
| Massachusetts Development Finance Agency                                | MASSACHUSETTS ST DEV FIN AGY                          | CUSIP: 57584XXD8<br>LEI: 549300UZSVMFXJK08K70 | Long             | DBT              | MUN               | US        |   1120000 | PA      | $1122663.25   | 1.62%             | 2037-10-01      | Fixed         | 4.00%                 | No            |                  2 | On Loan: No      |
| Massachusetts Development Finance Agency                                | MASSACHUSETTS ST DEV FIN AGY REVENUE                  | CUSIP: 57584Y2W8<br>LEI: 549300UZSVMFXJK08K70 | Long             | DBT              | MUN               | US        |   1000000 | PA      | $1012305.20   | 1.46%             | 2040-01-01      | Fixed         | 5.13%                 | No            |                  2 | On Loan: No      |
| Massachusetts Development Finance Agency                                | MASSACHUSETTS ST DEV FIN AGY                          | CUSIP: 57584Y6Z7<br>LEI: 549300UZSVMFXJK08K70 | Long             | DBT              | MUN               | US        |    925000 | PA      | $1081411.67   | 1.56%             | 2032-10-01      | Fixed         | 5.00%                 | No            |                  2 | On Loan: No      |
| Massachusetts Development Finance Agency                                | MASSACHUSETTS ST DEV FIN AGY REVENUE                  | CUSIP: 57584Y7V5<br>LEI: 549300UZSVMFXJK08K70 | Long             | DBT              | MUN               | US        |   1000000 | PA      | $1080135.70   | 1.56%             | 2042-07-01      | Fixed         | 5.00%                 | No            |                  2 | On Loan: No      |
| Massachusetts Development Finance Agency                                | MASSACHUSETTS ST DEV FIN AGY REVENUE                  | CUSIP: 57584YAE9<br>LEI: 549300UZSVMFXJK08K70 | Long             | DBT              | MUN               | US        |   1000000 | PA      | $1026043.60   | 1.48%             | 2031-07-01      | Fixed         | 5.00%                 | No            |                  2 | On Loan: No      |
| MASSACHUSETTS ST DEV FIN AGY                                            | MASSACHUSETTS ST DEV FIN AGY                          | CUSIP: 57584YBE8<br>LEI: 549300UZSVMFXJK08K70 | Long             | DBT              | MUN               | US        |    885000 | PA      | $920426.64    | 1.33%             | 2032-10-01      | Fixed         | 5.00%                 | No            |                  2 | On Loan: No      |
| MASSACHUSETTS ST DEV FIN AGY                                            | MASSACHUSETTS ST DEV FIN AGY                          | CUSIP: 57584YBF5<br>LEI: 549300UZSVMFXJK08K70 | Long             | DBT              | MUN               | US        |    900000 | PA      | $934558.02    | 1.35%             | 2033-10-01      | Fixed         | 5.00%                 | No            |                  2 | On Loan: No      |
| Massachusetts Development Finance Agency                                | MASSACHUSETTS ST DEV FIN AGY REVENUE                  | CUSIP: 57584YDJ5<br>LEI: 549300UZSVMFXJK08K70 | Long             | DBT              | MUN               | US        |   1000000 | PA      | $1008759.80   | 1.45%             | 2037-07-01      | Fixed         | 5.00%                 | No            |                  2 | On Loan: No      |
| Massachusetts Development Finance Agency                                | MASSACHUSETTS ST DEV FIN AGY REVENUE                  | CUSIP: 57584YGM5<br>LEI: 549300UZSVMFXJK08K70 | Long             | DBT              | MUN               | US        |    650000 | PA      | $678710.31    | 0.98%             | 2036-06-01      | Fixed         | 5.00%                 | No            |                  2 | On Loan: No      |
| MASSACHUSETTS ST DEV FIN AGY                                            | MASSACHUSETTS ST DEV FIN AGY                          | CUSIP: 57584YJD2<br>LEI: 549300UZSVMFXJK08K70 | Long             | DBT              | MUN               | US        |    985000 | PA      | $1026642.94   | 1.48%             | 2036-07-01      | Fixed         | 5.00%                 | No            |                  2 | On Loan: No      |
| MASSACHUSETTS ST DEV FIN AGY                                            | MASSACHUSETTS ST DEV FIN AGY                          | CUSIP: 57584YJE0<br>LEI: 549300UZSVMFXJK08K70 | Long             | DBT              | MUN               | US        |   1035000 | PA      | $1075497.69   | 1.55%             | 2037-07-01      | Fixed         | 5.00%                 | No            |                  2 | On Loan: No      |
| MASSACHUSETTS ST DEV FIN AGY                                            | MASSACHUSETTS ST DEV FIN AGY                          | CUSIP: 57584YLE7<br>LEI: 549300UZSVMFXJK08K70 | Long             | DBT              | MUN               | US        |   1005000 | PA      | $1058753.23   | 1.53%             | 2035-10-01      | Fixed         | 5.00%                 | No            |                  2 | On Loan: No      |
| MASSACHUSETTS ST DEV FIN AGY                                            | MASSACHUSETTS ST DEV FIN AGY                          | CUSIP: 57584YLF4<br>LEI: 549300UZSVMFXJK08K70 | Long             | DBT              | MUN               | US        |   1140000 | PA      | $1197618.34   | 1.73%             | 2036-10-01      | Fixed         | 5.00%                 | No            |                  2 | On Loan: No      |
| Massachusetts Development Finance Agency                                | MASSACHUSETTS ST DEV FIN AGY REVENUE                  | CUSIP: 57584YMG1<br>LEI: 549300UZSVMFXJK08K70 | Long             | DBT              | MUN               | US        |   1500000 | PA      | $1546897.35   | 2.23%             | 2033-11-15      | Fixed         | 5.00%                 | No            |                  2 | On Loan: No      |
| MASSACHUSETTS ST DEV FIN AGY R MASDEV 10/36 FIXED 5                     | MASSACHUSETTS ST DEV FIN AGY                          | CUSIP: 57584YNZ8<br>LEI: 549300UZSVMFXJK08K70 | Long             | DBT              | MUN               | US        |   1535000 | PA      | $1629184.07   | 2.35%             | 2036-10-01      | Fixed         | 5.00%                 | No            |                  2 | On Loan: No      |
| Massachusetts Development Finance Agency                                | MASSACHUSETTS ST DEV FIN AGY                          | CUSIP: 57584YPL7<br>LEI: 549300UZSVMFXJK08K70 | Long             | DBT              | MUN               | US        |   1150000 | PA      | $1228779.95   | 1.77%             | 2033-10-01      | Fixed         | 5.00%                 | No            |                  2 | On Loan: No      |
| Massachusetts Development Finance Agency                                | MASSACHUSETTS ST DEV FIN AGY REVENUE                  | CUSIP: 57584YRE1<br>LEI: 549300UZSVMFXJK08K70 | Long             | DBT              | MUN               | US        |    985000 | PA      | $979348.96    | 1.41%             | 2039-10-01      | Fixed         | 4.00%                 | No            |                  2 | On Loan: No      |
| Massachusetts Development Finance Agency                                | MASSACHUSETTS ST DEV FIN AGY REVENUE                  | CUSIP: 57584YRF8<br>LEI: 549300UZSVMFXJK08K70 | Long             | DBT              | MUN               | US        |    250000 | PA      | $256405.48    | 0.37%             | 2039-10-01      | Fixed         | 5.00%                 | No            |                  2 | On Loan: No      |
| Massachusetts Development Finance Agency                                | MASSACHUSETTS ST DEV FIN AGY REVENUE                  | CUSIP: 57584YRY7<br>LEI: 549300UZSVMFXJK08K70 | Long             | DBT              | MUN               | US        |    870000 | PA      | $889347.06    | 1.28%             | 2035-07-01      | Fixed         | 5.00%                 | No            |                  2 | On Loan: No      |
| Massachusetts Development Finance Agency                                | MASSACHUSETTS ST DEV FIN AGY REVENUE                  | CUSIP: 57584YT90<br>LEI: 549300UZSVMFXJK08K70 | Long             | DBT              | MUN               | US        |   1500000 | PA      | $1537216.50   | 2.22%             | 2031-01-01      | Fixed         | 4.00%                 | No            |                  2 | On Loan: No      |
| Massachusetts Development Finance Agency                                | MASSACHUSETTS ST DEV FIN AGY REVENUE                  | CUSIP: 57584YV89<br>LEI: 549300UZSVMFXJK08K70 | Long             | DBT              | MUN               | US        |   1000000 | PA      | $1001186.60   | 1.44%             | 2039-09-01      | Fixed         | 4.00%                 | No            |                  2 | On Loan: No      |
| Massachusetts Development Finance Agency                                | MASSACHUSETTS ST DEV FIN AGY                          | CUSIP: 57585BBF4<br>LEI: 549300UZSVMFXJK08K70 | Long             | DBT              | MUN               | US        |   1000000 | PA      | $1123263.70   | 1.62%             | 2041-10-01      | Fixed         | 5.00%                 | No            |                  2 | On Loan: No      |
| Massachusetts Development Finance Agency                                | MASSACHUSETTS ST DEV FIN AGY REVENUE                  | CUSIP: 57585BBP2<br>LEI: 549300UZSVMFXJK08K70 | Long             | DBT              | MUN               | US        |    800000 | PA      | $944110.72    | 1.36%             | 2034-07-01      | Fixed         | 5.00%                 | No            |                  2 | On Loan: No      |
| Massachusetts Development Finance Agency                                | MASSACHUSETTS ST DEV FIN AGY REVENUE                  | CUSIP: 57585BBS6<br>LEI: 549300UZSVMFXJK08K70 | Long             | DBT              | MUN               | US        |    500000 | PA      | $502717.45    | 0.72%             | 2044-07-01      | Fixed         | 5.00%                 | No            |                  2 | On Loan: No      |
| Massachusetts Development Finance Agency                                | MASSACHUSETTS ST DEV FIN AGY REVENUE                  | CUSIP: 57585BDV7<br>LEI: 549300UZSVMFXJK08K70 | Long             | DBT              | MUN               | US        |    615000 | PA      | $650054.20    | 0.94%             | 2041-01-01      | Fixed         | 5.25%                 | No            |                  2 | On Loan: No      |
| Massachusetts Development Finance Agency                                | MASSACHUSETTS ST DEV FIN AGY REVENUE                  | CUSIP: 57585BGJ1<br>LEI: 549300UZSVMFXJK08K70 | Long             | DBT              | MUN               | US        |   1000000 | PA      | $1149322.50   | 1.66%             | 2038-10-01      | Fixed         | 5.00%                 | No            |                  2 | On Loan: No      |
| Massachusetts Development Finance Agency                                | MASSACHUSETTS ST DEV FIN AGY REVENUE                  | CUSIP: 57585BGU6<br>LEI: 549300UZSVMFXJK08K70 | Long             | DBT              | MUN               | US        |   1000000 | PA      | $1189580.70   | 1.71%             | 2055-05-15      | Floating      | 5.00%                 | No            |                  2 | On Loan: No      |
| MASSACHUSETTS ST DEV FIN AGY                                            | MASSACHUSETTS ST DEV FIN AGY                          | CUSIP: 57585BHJ0<br>LEI: 549300UZSVMFXJK08K70 | Long             | DBT              | MUN               | US        |   1000000 | PA      | $1142221.20   | 1.65%             | 2039-07-01      | Fixed         | 5.00%                 | No            |                  2 | On Loan: No      |
| MASSACHUSETTS ST DEV FIN AGY                                            | MASSACHUSETTS ST DEV FIN AGY                          | CUSIP: 57585BHZ4<br>LEI: 549300UZSVMFXJK08K70 | Long             | DBT              | MUN               | US        |    310000 | PA      | $339544.74    | 0.49%             | 2041-07-01      | Fixed         | 5.00%                 | No            |                  2 | On Loan: No      |
| MASSACHUSETTS ST DEV FIN AGY                                            | MASSACHUSETTS ST DEV FIN AGY                          | CUSIP: 57585BJA7<br>LEI: 549300UZSVMFXJK08K70 | Long             | DBT              | MUN               | US        |    235000 | PA      | $253655.52    | 0.37%             | 2042-07-01      | Fixed         | 5.00%                 | No            |                  2 | On Loan: No      |
| Massachusetts Development Finance Agency                                | MASSACHUSETTS ST DEV FIN AGY REVENUE                  | CUSIP: 57585BJJ8<br>LEI: 549300UZSVMFXJK08K70 | Long             | DBT              | MUN               | US        |    500000 | PA      | $530319.20    | 0.76%             | 2029-07-01      | Fixed         | 5.00%                 | No            |                  2 | On Loan: No      |
| Massachusetts Development Finance Agency                                | MASSACHUSETTS ST DEV FIN AGY REVENUE                  | CUSIP: 57585BML9<br>LEI: 549300UZSVMFXJK08K70 | Long             | DBT              | MUN               | US        |    500000 | PA      | $561643.35    | 0.81%             | 2038-06-01      | Fixed         | 5.00%                 | No            |                  2 | On Loan: No      |
| Massachusetts Development Finance Agency                                | MASSACHUSETTS ST DEV FIN AGY REVENUE                  | CUSIP: 57585BRQ3<br>LEI: 549300UZSVMFXJK08K70 | Long             | DBT              | MUN               | US        |    940000 | PA      | $1026945.49   | 1.48%             | 2043-07-01      | Fixed         | 5.00%                 | No            |                  2 | On Loan: No      |
| MASSACHUSETTS PORT AUTHORITY                                            | MASSACHUSETTS PORT AUTHORITY                          | CUSIP: 575898DP3<br>LEI: 254900JRR8IDSSKWCL90 | Long             | DBT              | MUN               | US        |   1000000 | PA      | $1043303.20   | 1.50%             | 2038-07-01      | Fixed         | 5.00%                 | No            |                  2 | On Loan: No      |
| Massachusetts School Building Authority                                 | MASSACHUSETTS ST SCH BLDG AUTH SALES TAX REVENUE      | CUSIP: 576000G72<br>LEI: N/A                  | Long             | DBT              | MUN               | US        |    500000 | PA      | $608502.95    | 0.88%             | 2038-02-15      | Fixed         | 5.00%                 | No            |                  2 | On Loan: No      |
| Commonwealth of Massachusetts Transportation Fund Revenue               | MASSACHUSETTS ST TRANSPORTATION FUND REVENUE          | CUSIP: 57604TLA2<br>LEI: N/A                  | Long             | DBT              | MUN               | US        |    500000 | PA      | $542768.40    | 0.78%             | 2044-06-01      | Fixed         | 5.00%                 | No            |                  2 | On Loan: No      |
| Massachusetts Water Resources Authority                                 | MASSACHUSETTS ST WTR RESOURCES AUTH                   | CUSIP: 576051L79<br>LEI: 549300GBS2G3YGHOYO19 | Long             | DBT              | MUN               | US        |   1000000 | PA      | $1131174.40   | 1.63%             | 2040-08-01      | Fixed         | 5.00%                 | No            |                  2 | On Loan: No      |
| New York City Transitional Finance Authority Future Tax Secured Revenue | NEW YORK CITY NY TRANSITIONAL FIN AUTH REVENUE        | CUSIP: 64971WUK4<br>LEI: N/A                  | Long             | DBT              | MUN               | US        |   1000000 | PA      | $1000000.00   | 1.44%             | 2045-02-01      | Floating      | 3.25%                 | No            |                  2 | On Loan: No      |

### Signature

**Date Signed:** 2026-03-02

**Name of Applicant:** COLUMBIA FUNDS SERIES TRUST I

**Signature:** Jennifer Borges

**Name of Signer:** Jennifer Borges

**Title:** Senior Manager