# EDGAR Filing Document

**Accession Number:** 0000035315
**File Stem:** 0000035402-26-002776
**Filing Date:** 2026-5
**Character Count:** 7405
**Document Hash:** 05e26642a0b81cc52cba4c66c98e54da
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0000035402-26-002776.hdr.sgml**: 20260521

**ACCESSION NUMBER**: 0000035402-26-002776

**CONFORMED SUBMISSION TYPE**: 24F-2NT

**PUBLIC DOCUMENT COUNT**: 1

**CONFORMED PERIOD OF REPORT**: 20260228

**FILED AS OF DATE**: 20260521

**DATE AS OF CHANGE**: 20260521

**EFFECTIVENESS DATE**: 20260521

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** FIDELITY SALEM STREET TRUST
- **CENTRAL INDEX KEY:** 0000035315

**ORGANIZATION NAME:**
- **EIN:** 000000000
- **STATE OF INCORPORATION:** MA
- **FISCAL YEAR END:** 0430

**FILING VALUES:**
- **FORM TYPE:** 24F-2NT
- **SEC ACT:** 1933 Act
- **SEC FILE NUMBER:** 002-41839
- **FILM NUMBER:** 261006409

**BUSINESS ADDRESS:**
- **STREET 1:** 245 SUMMER STREET
- **CITY:** BOSTON
- **STATE:** MA
- **ZIP:** 02210
- **BUSINESS PHONE:** 617-563-7000

**MAIL ADDRESS:**
- **STREET 1:** 245 SUMMER STREET
- **CITY:** BOSTON
- **STATE:** MA
- **ZIP:** 02210

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** FIDELITY FIXED INCOME TRUST
- **DATE OF NAME CHANGE:** 19920703

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** FIDELITY FLEXIBLE BOND FUND
- **DATE OF NAME CHANGE:** 19860904

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** FIDELITY CORPORATE BOND FUND INC
- **DATE OF NAME CHANGE:** 19851225

## Series and Classes Contracts Data

### Fidelity Intermediate Treasury Bond Index Fund (Series ID: S000017677)

---

|  |  |  |
|:---|:---|:---|
| Class Name                                     | Ticker Symbol | Class ID   |
| Fidelity Intermediate Treasury Bond Index Fund | FUAMX         | C000194654 |

---

### Fidelity Long-Term Treasury Bond Index Fund (Series ID: S000017678)

---

|  |  |  |
|:---|:---|:---|
| Class Name                                  | Ticker Symbol | Class ID   |
| Fidelity Long-Term Treasury Bond Index Fund | FNBGX         | C000194656 |

---

### Fidelity Short-Term Treasury Bond Index Fund (Series ID: S000017679)

---

|  |  |  |
|:---|:---|:---|
| Class Name                                   | Ticker Symbol | Class ID   |
| Fidelity Short-Term Treasury Bond Index Fund | FUMBX         | C000194658 |

---

### Fidelity SAI Long-Term Treasury Bond Index Fund (Series ID: S000051138)

---

|  |  |  |
|:---|:---|:---|
| Class Name                                      | Ticker Symbol | Class ID   |
| Fidelity SAI Long-Term Treasury Bond Index Fund | FBLTX         | C000161035 |

---

### Fidelity SAI U.S. Treasury Bond Index Fund (Series ID: S000052911)

---

|  |  |  |
|:---|:---|:---|
| Class Name                                 | Ticker Symbol | Class ID   |
| Fidelity SAI U.S. Treasury Bond Index Fund | FUTBX         | C000166451 |

---

### Fidelity Series Long-Term Treasury Bond Index Fund (Series ID: S000054519)

---

|  |  |  |
|:---|:---|:---|
| Class Name                                         | Ticker Symbol | Class ID   |
| Fidelity Series Long-Term Treasury Bond Index Fund | FTLTX         | C000171137 |

---

### Fidelity SAI Intermediate Treasury Bond Index Fund (Series ID: S000086561)

---

|  |  |  |
|:---|:---|:---|
| Class Name                                         | Ticker Symbol | Class ID   |
| Fidelity SAI Intermediate Treasury Bond Index Fund | FSIWX         | C000252149 |

---

### Fidelity SAI Short-Term Treasury Bond Index Fund (Series ID: S000086562)

---

|  |  |  |
|:---|:---|:---|
| Class Name                                       | Ticker Symbol | Class ID   |
| Fidelity SAI Short-Term Treasury Bond Index Fund | FSSWX         | C000252150 |

---

## Series and Classes Contracts Data

### Fidelity Intermediate Treasury Bond Index Fund (Series ID: S000017677)

| Class ID   | Class Name                                     | Ticker Symbol   |
|:---|:---|:---|
| C000194654 | Fidelity Intermediate Treasury Bond Index Fund | FUAMX           |

### Fidelity Long-Term Treasury Bond Index Fund (Series ID: S000017678)

| Class ID   | Class Name                                  | Ticker Symbol   |
|:---|:---|:---|
| C000194656 | Fidelity Long-Term Treasury Bond Index Fund | FNBGX           |

### Fidelity Short-Term Treasury Bond Index Fund (Series ID: S000017679)

| Class ID   | Class Name                                   | Ticker Symbol   |
|:---|:---|:---|
| C000194658 | Fidelity Short-Term Treasury Bond Index Fund | FUMBX           |

### Fidelity SAI Long-Term Treasury Bond Index Fund (Series ID: S000051138)

| Class ID   | Class Name                                      | Ticker Symbol   |
|:---|:---|:---|
| C000161035 | Fidelity SAI Long-Term Treasury Bond Index Fund | FBLTX           |

### Fidelity SAI U.S. Treasury Bond Index Fund (Series ID: S000052911)

| Class ID   | Class Name                                 | Ticker Symbol   |
|:---|:---|:---|
| C000166451 | Fidelity SAI U.S. Treasury Bond Index Fund | FUTBX           |

### Fidelity Series Long-Term Treasury Bond Index Fund (Series ID: S000054519)

| Class ID   | Class Name                                         | Ticker Symbol   |
|:---|:---|:---|
| C000171137 | Fidelity Series Long-Term Treasury Bond Index Fund | FTLTX           |

### Fidelity SAI Intermediate Treasury Bond Index Fund (Series ID: S000086561)

| Class ID   | Class Name                                         | Ticker Symbol   |
|:---|:---|:---|
| C000252149 | Fidelity SAI Intermediate Treasury Bond Index Fund | FSIWX           |

### Fidelity SAI Short-Term Treasury Bond Index Fund (Series ID: S000086562)

| Class ID   | Class Name                                       | Ticker Symbol   |
|:---|:---|:---|
| C000252150 | Fidelity SAI Short-Term Treasury Bond Index Fund | FSSWX           |

## FORM 24F-2NT: Annual Notice of Securities Sold Pursuant to Rule 24f-2

### 24F-2NT: Filer Information

**Filer CIK:** 0000035315

**Is this a LIVE or TEST Filing?:** LIVE

**Filer Investment Company Type:** N-1A

### 24F-2NT: Annual Filing Information

**1. Name and address of issuer:**

- **Name of Issuer:** Fidelity Salem Street Trust

- **Address:** 245 Summer Street, Boston, MA 02210

**2. The Name and EDGAR Identifier of each series or class of securities for which this Form is filed:**

- [ ] Check box if the Form is being filed for all series and classes of the issuer.

**3. Investment Company Act File Number:** 811-02105

   **Securities Act File Number:** 002-41839

**4(a). Last day of fiscal year for which this Form is filed:** 02/28/2026

**4(b). Check box if this Form is being filed late:** [ ]

**4(c). Check box if this is the last time the issuer will be filing this Form:** [ ]

**5. Calculation of registration fee:**

- **(i) Aggregate sale price of securities sold during the fiscal year:** $24340538667.00

- **(ii) Aggregate price of securities redeemed or repurchased during the fiscal year:** $16146255839.00

- **(iii) Aggregate price of securities redeemed or repurchased during any prior fiscal year:** $4154215672.00

- **(iv) Total available redemption credits [add Items 5(ii) and 5(iii)]:** $20300471511.00

- **(v) Net sales:** $4040067156.00

- **(vi) Redemption credits available for use in future years:** $0.00

- **(vii) Multiplier for determining registration fee:** 0.0001381

- **(viii) Registration fee due:** $557933.27

**Explanatory Notes (if any):**
0

**Signatures**

**Name and Title:** President and Treasurer

**Date:** 02/28/2026

**Signature:** Laura M. Del Prato