# EDGAR Filing Document

**Accession Number:** 0001796383
**File Stem:** 0001398344-25-022816
**Filing Date:** 2025-12
**Character Count:** 6382
**Document Hash:** 3ce3712088d74bd95c3dbe3548060f4a
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001398344-25-022816.hdr.sgml**: 20251222

**ACCESSION NUMBER**: 0001398344-25-022816

**CONFORMED SUBMISSION TYPE**: 485BXT

**PUBLIC DOCUMENT COUNT**: 4

**FILED AS OF DATE**: 20251222

**DATE AS OF CHANGE**: 20251222

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** Siren ETF Trust
- **CENTRAL INDEX KEY:** 0001796383

**ORGANIZATION NAME:**
- **EIN:** 876782265
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** 485BXT
- **SEC ACT:** 1940 Act
- **SEC FILE NUMBER:** 811-23502
- **FILM NUMBER:** 251593466

**BUSINESS ADDRESS:**
- **STREET 1:** 2600 PHILMONT AVENUE
- **STREET 2:** SUITE 215
- **CITY:** HUNTINGDON VALLEY
- **STATE:** PA
- **ZIP:** 19006
- **BUSINESS PHONE:** (215) 914-1970

**MAIL ADDRESS:**
- **STREET 1:** 2600 PHILMONT AVENUE
- **STREET 2:** SUITE 215
- **CITY:** HUNTINGDON VALLEY
- **STATE:** PA
- **ZIP:** 19006
**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** Siren ETF Trust
- **CENTRAL INDEX KEY:** 0001796383

**ORGANIZATION NAME:**
- **EIN:** 876782265
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** 485BXT
- **SEC ACT:** 1933 Act
- **SEC FILE NUMBER:** 333-235544
- **FILM NUMBER:** 251593465

**BUSINESS ADDRESS:**
- **STREET 1:** 2600 PHILMONT AVENUE
- **STREET 2:** SUITE 215
- **CITY:** HUNTINGDON VALLEY
- **STATE:** PA
- **ZIP:** 19006
- **BUSINESS PHONE:** (215) 914-1970

**MAIL ADDRESS:**
- **STREET 1:** 2600 PHILMONT AVENUE
- **STREET 2:** SUITE 215
- **CITY:** HUNTINGDON VALLEY
- **STATE:** PA
- **ZIP:** 19006

## Series and Classes Contracts Data

### Siren Nasdaq NexGen Economy ETF (Series ID: S000069719)

| Class ID   | Class Name                      | Ticker Symbol   |
|:---|:---|:---|
| C000222396 | Siren Nasdaq NexGen Economy ETF | BLCN            |

**AS FILED WITH THE U.S. SECURITIES AND EXCHANGE COMMISSION ON DECEMBER 22, 2025**

File No. 333-235544

File No. 811-23502

**U.S. SECURITIES AND EXCHANGE COMMISSION**

**WASHINGTON, D.C. 20549**

**FORM N-1A**

---

| | |
|:---|:---|
| **REGISTRATION STATEMENT UNDER THE** |  |
| **SECURITIES ACT OF 1933** | /X/ |
| POST-EFFECTIVE AMENDMENT NO. 12 |  |
| AND |  |
| **REGISTRATION STATEMENT UNDER THE** |  |
| **INVESTMENT COMPANY ACT OF 1940** | /X/ |
| AMENDMENT NO. 14 |  |

---

**SIREN ETF TRUST**

(Exact Name of Registrant as Specified in Charter)

**2600 Philmont Avenue, Suite 215**

**Huntingdon Valley, Pennsylvania 19006**

(Address of Principal Executive Offices, Zip Code)

**(215) 914-1970**

(Registrant's Telephone Number, including Area Code)

**Scott Freeze**

**c/o SRN Advisors, LLC**

**2600 Philmont Avenue, Suite 215**

**Huntingdon Valley, Pennsylvania 19006**

(Name and Address of Agent for Service)

Copy to:

**David W. Freese**

**Morgan, Lewis & Bockius LLP**

**2222 Market Street**

**Philadelphia, Pennsylvania 19103**

It is proposed that this filing become effective (check appropriate box)

---

| | |
|:---|:---|
| / / | Immediately upon filing pursuant to paragraph (b) |
| /X/ | On December 29, 2025 pursuant to paragraph (b) |
| / / | 60 days after filing pursuant to paragraph (a)(1) |
| / / | 75 days after filing pursuant to paragraph (a)(2) |
| / / | On [date] pursuant to paragraph (a) of Rule 485 |

---

<u>[X]</u> This post-effective amendment designates a new effective date for a previously filed post-effective amendment.

**EXPLANATORY NOTE**

This Post-Effective Amendment No. 12 is being filed pursuant to paragraph (b)(1)(iii) of Rule 485 under the Securities Act of 1933, as amended (the "1933 Act") solely to designate December 29, 2025 as the new effective date for Post-Effective Amendment No. 11, which was filed with the Securities and Exchange Commission on October 24, 2025 pursuant to paragraph (a)(1) of Rule 485 under the 1933 Act (Accession No. 0001398344-25-019775) for the purpose of making material changes relating to the Siren Nasdaq NexGen Economy ETF (the "Fund"), a series of Siren ETF Trust.

**PART A – PROSPECTUS**

The Prospectus for the Fund is incorporated herein by reference to Part A of Post-Effective Amendment No. 11.

**PART B – STATEMENT OF ADDITIONAL INFORMATION**

The Statement of Additional Information for the Fund is incorporated herein by reference to Part B of Post-Effective Amendment No. 11.

**PART C – OTHER INFORMATION**

Part C of this Post-Effective Amendment is incorporated herein by reference to Part C of Post-Effective Amendment No. 11.

**SIGNATURES**

Pursuant to the requirements of the Securities Act of 1933, as amended, and the Investment Company Act of 1940, as amended, the Registrant certifies that it meets all of the requirements for effectiveness of this Registration Statement pursuant to Rule 485(b) under the Securities Act of 1933, as amended, and has duly caused this Post-Effective Amendment No. 12 to its Registration Statement on Form N-1A to be signed on its behalf by the undersigned, thereunto duly authorized, in the City of Huntingdon Valley, Commonwealth of Pennsylvania on the 22nd day of December, 2025.

---

| | |
|:---|:---|
| **SIREN ETF TRUST** | **SIREN ETF TRUST** |
| By: | /s/ Scott Freeze |
| Scott Freeze | Scott Freeze |
| President and Principal Executive Officer | President and Principal Executive Officer |

---

Pursuant to the requirements of the Securities Act of 1933, as amended, this Post-Effective Amendment No. 12 to its Registration Statement on Form N-1A has been signed below by the following persons in the capacities and on the date(s) indicated.

---

| | | |
|:---|:---|:---|
| **Signature** | **Title** | **Date** |
| /s/ Scott Freeze | Trustee | December 22, 2025 |
| Scott Freeze |  |  |
| \* | Trustee | December 22, 2025 |
| Alexander Castillo |  |  |
| \* | Trustee | December 22, 2025 |
| Michael J. Dillon |  |  |
| \* | Trustee | December 22, 2025 |
| Sonica Kearney |  |  |
| \* | Trustee | December 22, 2025 |
| Andrew Kushner |  |  |
| \* | Trustee | December 22, 2025 |
| Christopher Zapalski |  |  |
| /s/ Scott Freeze | President and Principal Executive | December 22, 2025 |
| Scott Freeze | Officer |  |
| /s/ Troy Statczar | Treasurer and Principal Financial | December 22, 2025 |
| Troy Statczar | Officer |  |

---

---

| | |
|:---|:---|
| \*By: | /s/ Scott Freeze |
|  | Scott Freeze |
|  | Attorney-in-Fact |

---