Skip to content
Baker Capital StrategiesMARKETS. FILINGS. PERSPECTIVE.
Powered by THEMA

Baker Capital Strategies

Free Registration

Register for access to news, tools, alerts and reports.

THEMA Basic included at launch.

Use at least 8 characters.

BCS

Initial Beneficial Ownership · 3

BEST SPAC I Acquisition Corp.

BSAANASDAQEQUITYCurrent

Initial Beneficial Ownership

Filed Sep 29, 2026Accepted Sep 29, 2026, 4:45 PM EDTFiling CIK 2051587Accession 0001213900-26-104724
Share

Structured filing — 3

ownership.xml

Open full document ↗

Filing details

Report period
2026-09-29
Issuer
BEST SPAC I Acquisition Corp.
Issuer CIK
0002051587
Trading symbol
BSAA

Reporting owner 1

Name
Tsang Claudius
Reporting owner CIK
0001845870
Relationship
10% owner
Address
C/O BEST SPAC I ACQUISITION CORP., 701, 7 FLR, UNITED BLDG 17-19 JUBILEE ST, HONG KONG, HONG KONG, K3

Non-derivative holdings

Non-derivative holdings · 1 reported row
SecurityAmount ownedOwnershipNature of ownership
Class A ordinary shares277,000ISee Footnote[F1]
Table key
I
Indirect

Derivative holdings

Derivative holdings · 2 reported rows
SecurityConversion / exercise priceExercisableExpiresUnderlying securityUnderlying sharesOwnershipNature of ownership
Class B ordinary shares[F2][F2][F2]Class A ordinary shares1,375,000ISee Footnote[F1]
Rights to receive Class A ordinary shares[F3][F3][F3]Class A ordinary shares27,700ISee Footnote[F1]
Table key
I
Indirect

Footnotes

F1
The securities reported herein are held by BEST SPAC I (Holdings) Corp. ("Sponsor"). On September 29, 2026, A SPAC (Holdings) Group Corp. acquired from Naoda Investments Limited 100% of Sponsor's issued and outstanding ordinary shares. In connection with such acquisition, Claudius Tsang, a director of A SPAC (Holdings) Group Corp., was appointed the sole director of the Sponsor and shares voting and dispositive power over the securities held by the Sponsor with Kam Chi Kin . The reporting person disclaims any beneficial ownership in the securities held by the Sponsor, except to the extent of his pecuniary interest therein.↩ 1↩ 2↩ 3
F2
The Class B ordinary shares will automatically convert into Class A ordinary shares at the time of the Issuer's initial business combination, or earlier at the option of the holder, on a one-for-one basis, subject to adjustment. The Class B ordinary shares have no expiration date.↩ 1↩ 2↩ 3
F3
Each holder of a right will receive one-tenth (1/10) of one Class A ordinary share upon consummation of the Issuer's initial business combination. The rights will expire worthless if the Issuer does not consummate an initial business combination within the required time period.↩ 1↩ 2↩ 3

Signature 1

Signed
/s/ Claudius Tsang
Date
2026-09-29

Company context

Current securities

Recent company filings

  1. Changes in Control of RegistrantSep 29, 2026
  2. SCHEDULE 13D - filed by Tsang Claudius regarding BEST SPAC I Acquisition Corp.Sep 29, 2026
  3. Notice of Delisting or Failure to Satisfy a Continued Listing Rule or Standard; Transfer of ListingAug 25, 2026
  4. 10-Q filingAug 6, 2026
  5. Amendments to Articles of Incorporation or Bylaws; Change in Fiscal Year · Submission of Matters to a Vote of Security Holders · Other EventsMay 19, 2026

Privacy choices

BCS measures page use with Google Analytics using regional consent settings. You can change your preference here. Charts and market data remain available.

Essential functions — always available. Security, navigation, registration and remembering these choices.

Audience analytics

Analytics cookies are off by default for visitors Google identifies in the EEA, UK or Switzerland until allowed. Limited measurement without analytics cookies may still occur under those regional defaults.

TradingView charts, quotes and the economic calendar load automatically as page content. TradingView receives network and browser information and may collect its own usage analytics. This choice controls BCS’s Google Analytics only.

Google advertising is not enabled. Direct sponsor links do not load advertising trackers on BCS.

Turning analytics off stops future Google Analytics activity here. It does not erase information already received by the provider. Read the privacy policy.