SEC ownership of Mountain Crest Acquisition 6 Corp.

Top holders, 13D/G large-stake signals, insider positions, and transaction flow tied to CIK 0002109876.

Comparable stake leader

Mountain Crest Holdings 6 LLC

Disclosed value leader

Mountain Crest Holdings 6 LLC

Comparable rows

1/2

Latest evidence

24 Jun 2026

Ownership snapshot CIK-linked ownership evidence from parsed SEC filings. 3 signals
Comparable ownership rows
1 of 2
Meaning: Rows with safely comparable ownership %
Latest 13D/G holder
Mountain Crest Holdings 6 LLC
Source: Latest parsed Schedule 13D/G stake
Latest parsed ownership date
24 Jun 2026
Freshness: Most recent filing date in this holder set
Issuer Names, identifiers, and filing context for this profile. 2 identity fields
Issuer CIK
0002109876
Issuer location
New York, NY

Ownership snapshot

Top shareholders of Mountain Crest Acquisition 6 Corp. (13F + 13D/G + 3/4/5)

Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.

Comparable stake leader
Mountain Crest Holdings 6...
Disclosed value leader
Mountain Crest Holdings 6...
Comparable rows
1/2
Latest evidence
24 Jun 2026
3/4/5 13D/G Lead comparable stake: 30% 1 rows are not safely comparable across share classes. 13D/G row: Mountain Crest Holdings 6 LLC

Quick read

Mountain Crest Holdings 6 LLC leads the comparable SEC ownership view at 30%.

1 of 2 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.

Open SEC evidence Opens Mountain Crest Holdings 6 LLC's linked filing trail.
Comparable ownership Top 1
Mountain Crest Holdings 6 LLC 30%

Ownership % is shown only when SEC disclosures are safely comparable across share classes.

Detailed SEC evidence table Showing 1-2 of 2 holder rows
Holder Evidence Ownership % Position 12M Net Δ As of
Mountain Crest Holdings 6 LLC
3/4/5 13D/G
10%+ Owner
30%
from 13D/G
$25,808,504
2,621,429 shares
mixed-class rows
24 Jun 2026
Suying Liu Sole
3/4/5
CEO and CFO, Director, 10%+ Owner
mixed-class rows
$25,808,504
2,621,429 shares
mixed-class rows
24 Jun 2026
How to read this table

Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.

Forms 3/4/5 flow

Insider trading overview

Insider buy and sell flow is broadly balanced over the last 12 months. No Buy or Sell transactions have been reported since 04 Aug 2025.

Buys
$0
Insiders: 0
Sells
$0
Insiders: 0
Net
$0
Shares: 0
Window
Last 12 months
4 rolling buckets
Buy value Sell value
Shares: 0 Shares: 0
Window (months) Buy shares Sell shares Buy value Sell value Net value
0-3 0 0 $0 $0 $0
3-6 0 0 $0 $0 $0
6-9 0 0 $0 $0 $0
9-12 0 0 $0 $0 $0

Reporting owners

Insider holders from Forms 3/4/5

Showing 1-5 of 5 reporting-owner rows connected to Mountain Crest Acquisition 6 Corp.. Open a relationship link for the CIK-to-CIK filing trail.

Rows
5
Largest Forms 3/4/5 holder
Mountain Crest Holdings 6 LLC
Net 12M change
$0
Latest report
24 Jun 2026
Name Relationship Holdings Value Past Year Net Change Change % Valuation Report Date
Mountain Crest Holdings 6 LLC 10%+ Owner $25,808,504 Market 24 Jun 2026
Suying Liu Sole CEO and CFO, Director, 10%+ Owner $25,808,504 Market 24 Jun 2026
Nelson Haight Director Mixed 29 Apr 2026
Milbourn Todd T. Director Mixed 29 Apr 2026
Wenhua Zhang Director Mixed 29 Apr 2026

Recent insider transactions for Mountain Crest Acquisition 6 Corp.

Showing up to 300 recent insider transactions from the last 12 months.

Insider Symbol Class Transaction % SEC-reported value SEC-reported price Shares Shares owned Date Ownership
Suying Liu Sole MCAH Ordinary shares Other -12.9% -385,714 2,596,429 24 Jun 2026 See Footnote
Mountain Crest Holdings 6 LLC MCAH Ordinary shares Other -12.9% -385,714 2,596,429 24 Jun 2026 Direct
Suying Liu MCAH Ordinary shares Purchase 0.85% 25,000 2,982,143 01 May 2026 See Footnote
Suying Liu MCAH Rights Purchase 25,000 25,000 01 May 2026 See Footnote
Mountain Crest Holdings 6 LLC MCAH Ordinary shares Purchase 0.85% 25,000 2,982,143 01 May 2026 Direct
Mountain Crest Holdings 6 LLC MCAH Rights Purchase 25,000 25,000 01 May 2026 Direct
* marks a reported price that did not pass the local price check.
We use cookies and similar technologies to provide certain features, enhance the user experience and, if you allow them, measure engagement and deliver advertising. Analytics and marketing storage stay off until you grant consent. By clicking on "Agree and continue", you declare your consent to the use of the selected optional cookies. Manage preferences to update or revoke optional consent for future visits. For more information, see our Privacy Policy .