# EDGAR Filing Document

**Accession Number:** 0001983146
**File Stem:** 0001493152-26-030141
**Filing Date:** 2026-6
**Character Count:** 8171
**Document Hash:** 04f2a5dfecd7dc2f0bd154998ac62f27
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001493152-26-030141.hdr.sgml**: 20260625

**ACCESSION NUMBER**: 0001493152-26-030141

**CONFORMED SUBMISSION TYPE**: 1-U

**PUBLIC DOCUMENT COUNT**: 55

**CONFORMED PERIOD OF REPORT**: 20260625

**ITEM INFORMATION**: Other Events

**FILED AS OF DATE**: 20260625

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** Masterworks Vault 3, LLC
- **CENTRAL INDEX KEY:** 0001983146
- **STANDARD INDUSTRIAL CLASSIFICATION:** RETAIL-RETAIL STORES, NEC [5990]
- **ORGANIZATION NAME:** 07 Trade & Services
- **EIN:** 931920406
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** 1-U
- **SEC ACT:** 1933 Act
- **SEC FILE NUMBER:** 24R-00886
- **FILM NUMBER:** 261122510

**BUSINESS ADDRESS:**
- **STREET 1:** 1 WORLD TRADE CENTER
- **STREET 2:** 57TH FLOOR
- **CITY:** NEW YORK
- **STATE:** NY
- **ZIP:** 10007
- **BUSINESS PHONE:** 2035185172

**MAIL ADDRESS:**
- **STREET 1:** 1 WORLD TRADE CENTER
- **STREET 2:** 57TH FLOOR
- **CITY:** NEW YORK
- **STATE:** NY
- **ZIP:** 10007

**UNITED STATES**

**SECURITIES AND EXCHANGE COMMISSION**

**WASHINGTON, D.C. 20549**

**FORM 1-U**

**CURRENT REPORT**

Pursuant to Regulation A of the Securities Act of 1933

**June 25, 2026**

Date of Report: (Date of earliest event reported)

**MASTERWORKS VAULT 3** **, LLC**

(Exact name of issuer as specified in its charter)

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| | |
|:---|:---|
| **Delaware** | **93-1920406** |
| State of other jurisdiction of | (I.R.S. Employer |
| incorporation or organization | Identification No.) |

---

**1 World Trade Center, 57th Floor, New York, NY 10007**

(Full mailing address of principal executive offices)

**(203) 518-5172**

(Issuer's telephone number, including area code)

**www.masterworks.com**

(Issuer's website)

**Series 325 Class A Ordinary Shares, Series 327 Class A Ordinary Shares, Series 330 Class A Ordinary Shares, Series 332 Class A Ordinary Shares, Series 334 Class A Ordinary Shares, Series 337 Class A Ordinary Shares, Series 349 Class A Ordinary Shares, Series 352 Class A Ordinary Shares, Series 355 Class A Ordinary Shares, Series 358 Class A Ordinary Shares, Series 369 Class A Ordinary Shares, Series 371 Class A Ordinary Shares, Series 375 Class A Ordinary Shares, Series 384 Class A Ordinary Shares, Series 388 Class A Ordinary Shares, Series 390 Class A Ordinary Shares, Series 398 Class A Ordinary Shares, Series 400 Class A Ordinary Shares, Series 413 Class A Ordinary Shares, Series 414 Class A Ordinary Shares, Series 431 Class A Ordinary Shares, Series 432 Class A Ordinary Shares, Series 436 Class A Ordinary Shares, Series 447 Class A Ordinary Shares, Series 462 Class A Ordinary Shares, Series 464 Class A Ordinary Shares, Series 466 Class A Ordinary Shares, Series 468 Class A Ordinary Shares, Series 471 Class A Ordinary Shares, Series 474 Class A Ordinary Shares, Series 482 Class A Ordinary Shares, Series 484 Class A Ordinary Shares, Series 487 Class A Ordinary Shares, Series 490 Class A Ordinary Shares, Series 492 Class A Ordinary Shares, Series 493 Class A Ordinary Shares, Series 494 Class A Ordinary Shares, Series 511 Class A Ordinary Shares, Series 518 Class A Ordinary Shares, Series 519 Class A Ordinary Shares, Series 526 Class A Ordinary Shares, Series 529 Class A Ordinary Shares, Series 531 Class A Ordinary Shares, Series 538 Class A Ordinary Shares, Series 539 Class A Ordinary Shares, Series 540 Class A Ordinary Shares**

(Securities issued pursuant to Regulation A)

**Item 9. Other Events**

A copy of materials used on www.masterworks.com relating to the ongoing offering of Class A Ordinary Shares of Series 539, Series 540, Series 542, Series 543, Series 544 and Series 545 pursuant to Regulation A of the Securities Act of 1933, as amended, are attached to the Form 1-U as Exhibit 15(b).1, Exhibit 15(b).2, Exhibit 15(b).3, Exhibit 15(b).4, Exhibit 15(b).5 and Exhibit 15(b).6, respectively. In addition, a copy of promotional email correspondences relating to the ongoing offering of Class A Ordinary Shares of Series 540, Series 542, Series 543, Series 544 and Series 545 pursuant to Regulation A of the Securities Act of 1933, as amended, are attached to the Form 1-U as Exhibit 99.1, Exhibit 99.2, Exhibit 99.3, Exhibit 99.4, and Exhibit 99.5, respectively.

**Safe Harbor Statement**

This Current Report on Form 1-U contains forward-looking statements within the meaning of Section 27A of the Securities Act of 1933, as amended (the "Securities Act") and Section 21E of the Securities Exchange Act of 1934. You can identify these forward-looking statements by the use of words such as "outlook," "believes," "expects," "potential," "continues," "may," "will," "should," "could," "seeks," "projects," "predicts," "intends," "plans," "estimates," "anticipates" or the negative version of these words or other comparable words. Such forward-looking statements are subject to various risks and uncertainties, including those described under the section entitled "Risk Factors" in our most recent Offering Circular filed with the Securities and Exchange Commission ("SEC"), as such factors may be updated from time to time in our periodic filings and offering circular supplements filed with the SEC, which are accessible on the SEC's EDGAR website. Accordingly, there are or will be important factors that could cause actual outcomes or results to differ materially from those indicated in these statements. These factors should not be construed as exhaustive and should be read in conjunction with the other cautionary statements that are included in our filings with the SEC. We undertake no obligation to publicly update or review any forward-looking statement, whether as a result of new information, future developments or otherwise, except as required by law.

**Exhibit Index**

---

| | |
|:---|:---|
| Exhibit No. | Description of Exhibit |
| 15(b).1 | [Series 539 website materials.](ex15b-1.htm) |
| 15(b).2 | [Series 540 website materials.](ex15b-2.htm) |
| 15(b).3 | [Series 542 website materials.](ex15b-3.htm) |
| 15(b).4 | [Series <u>543</u> website materials.](ex15b-4.htm) |
| 15(b).5 | [Series 544 website materials.](ex15b-5.htm) |
| 15(b).6 | [Series 545 website materials.](ex15b-6.htm) |
| 99.1 | [Series 540 promotional email correspondence.](ex99-1.htm) |
| 99.2 | [Series 542 promotional email correspondence.](ex99-2.htm) |
| 99.3 | [Series 543 promotional email correspondence.](ex99-3.htm) |
| 99.4 | [Series 544 promotional email correspondence.](ex99-4.htm) |
| 99.5 | [Series 545 promotional email correspondence.](ex99-5.htm) |

---

**SIGNATURES**

Pursuant to the requirements of Regulation A, the issuer has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized.

---

| | | |
|:---|:---|:---|
|  | MASTERWORKS VAULT 3, LLC | MASTERWORKS VAULT 3, LLC |
|  | By: | */s/ Joshua B. Goldstein* |
|  | Name: | Joshua B. Goldstein |
|  | Title: | General Counsel |
| Date: June 25, 2026 |  |  |

---

## Add

**Exhibit 15(b).1**

![](ex15b-1_001.jpg)

![](ex15b-1_002.jpg)

## Add

**Exhibit 15(b).2**

![](ex15b-2_001.jpg)

![](ex15b-2_002.jpg)

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**Exhibit 15(b).3**

![](ex15b-3_001.jpg)

![](ex15b-3_002.jpg)

![](ex15b-3_003.jpg)

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**Exhibit 15(b).4**

![](ex15b-4_001.jpg)

![](ex15b-4_002.jpg)

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**Exhibit 15(b).5**

![](ex15b-5_001.jpg)

![](ex15b-5_002.jpg)

## Add

**Exhibit 15(b).6**

![](ex15b-6_001.jpg)

![](ex15b-6_002.jpg)

## Add

**Exhibit 99.1**

![](ex99-1_001.jpg)

![](ex99-1_002.jpg)

![](ex99-1_003.jpg)

![](ex99-1_004.jpg)

![](ex99-1_005.jpg)

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**Exhibit 99.2**

![](ex99-2_002.jpg)

![](ex99-2_003.jpg)

![](ex99-2_004.jpg)

![](ex99-2_005.jpg)

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**Exhibit 99.3**

![](ex99-3_002.jpg)

![](ex99-3_004.jpg)

![](ex99-3_005.jpg)

![](ex99-3_006.jpg)

## Add

**Exhibit 99.4**

![](ex99-4_001.jpg)

![](ex99-4_002.jpg)

![](ex99-4_003.jpg)

![](ex99-4_004.jpg)

![](ex99-4_005.jpg)

![](ex99-4_006.jpg)

![](ex99-4_007.jpg)

## Add

**Exhibit 99.5**

![](ex99-5_001.jpg)

![](ex99-5_002.jpg)

![](ex99-5_003.jpg)

![](ex99-5_004.jpg)

![](ex99-5_005.jpg)

![](ex99-5_006.jpg)