Suying Liu Sole - 01 May 2026 Form 4 Insider Report for Mountain Crest Acquisition 6 Corp. (MCAH)

Reporting relationship: CEO and CFO, Director, 10%+ Owner
Issuer ticker: MCAH
Reported as of: 01 May 2026
Net transaction value: $0
SEC form: 4
Accepted by SEC: 05 May 2026, 17:30:24 UTC
Prior SEC filing: 29 Apr 2026
Next SEC filing: 25 Jun 2026
Source filing: View source filing
Reporting owner signature: /s/ Suying Liu Managing Member

Key filing fact

Suying Liu Sole filed Form 4 for Mountain Crest Acquisition 6 Corp. (MCAH) on 05 May 2026.

Key facts

This page summarizes Suying Liu Sole's Form 4 filing for Mountain Crest Acquisition 6 Corp. (MCAH).
2 reported transactions and 1 derivative row are listed below.
Accepted by SEC: 05 May 2026, 17:30.

Change

Previous filing in this sequence was filed on 29 Apr 2026.
Current net transaction value: $0.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0001811534 Primary reporting owner

Liu Suying

Relationship: CEO and CFO, Director, 10%+ Owner
Address: C/O MOUNTAIN CREST ACQUISITION 6 CORP.,, 524 BROADWAY, 11TH FLOOR,, NEW YORK
Signature: /s/ Suying Liu Managing Member
Signature date: 05 May 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

MCAH transaction

Ordinary shares

Purchase

Transaction value
Shares: +25,000
Change %: +0.85%
Price: $10.00^*
Shares after: 2,982,143
Date: 01 May 2026
Ownership: See Footnote
Footnotes: F1, F3

Reported derivative securities

Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.

MCAH transaction Derivative

Rights

Purchase

Transaction value
Shares: +25,000
Change %
Price
Shares after: 25,000
Date: 01 May 2026
Ownership: See Footnote
Underlying class: Ordinary Shares
Underlying amount: 6,250
Exercise price: $0.000000
Footnotes: F1, F2, F3

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 3 footnotes

Footnote F1

The reporting person acquired units, consisting of shares and rights.

Footnote F2

The rights automatically convert into one-fourth (1/4) of one ordinary share upon the consummation of the registrant's initial business combination, as described in the registrant's prospectus initially filed with the Securities Exchange Commission on April 6, 2026.

Footnote F3

Dr. Suying Liu controls Mountain Crest Holdings 6 LLC. As such, he may be deemed to have or share beneficial ownership of the securities held directly by Mountain Crest Holdings 6 LLC. Suying Liu disclaims any beneficial ownership of the reported shares other than to the extent of any pecuniary interest he may have therein, directly or indirectly