Masterworks 166, LLC is an alternative asset investment vehicle and special purpose company formed to acquire, hold, curate, and eventually commercialize a single piece of high-value contemporary fine art. Sponsored and managed by Masterworks, LLC through its affiliates Masterworks Gallery, LLC and Masterworks Administrative Services, LLC, the company provides fractionalized direct economic exposure to blue-chip artwork for retail and institutional investors. The company's core products and operational activities encompass Class A ordinary shares representing fractional equity ownership in visual art assets; asset custody and management of a 2008 painting by contemporary artist KAWS from the renowned KURFS series; comprehensive art administration services, including specialized storage, archival maintenance, fine art insurance coverage, provenance tracking, and promotional exhibition arrangements; and public capital markets participation through secondary trading of its shares on over-the-counter markets under the ticker symbol MWKQS. Masterworks 166, LLC operates within the specialty finance, art securitization, and alternative investment industry, catering to individual investors, wealth managers, and institutional funds throughout the United States. In recent developments, the company executed its planned operational wind-down and exit procedures under Regulation A, filing a Form 1-U current report and submitting a Form 1-Z Exit Report to the U.S. Securities and Exchange Commission in mid-2026 to formally conclude its operational cycle and terminate its public reporting obligations following underlying asset realization. Masterworks 166, LLC was formed in 2022 as a Delaware limited liability company and is headquartered in New York, New York.