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Mountain Crest Acquisition 6 Corp.

MCAHU
Exchange
Nasdaq
Industry
Blank Checks
SEC CIK
0002109876

No open-market purchases or sales by Mountain Crest Acquisition 6 Corp. insiders were filed in the last 90 days; 15 institutions reported holding it in 13F filings for Q2 2026, worth $24.1M in total; no superinvestor holds it.

Other share classesMCAHMCAHR

Holders of 5% or more of MCAHU

Holders whose latest Schedule 13D or 13G filing reports 5% or more of Mountain Crest Acquisition 6 Corp., largest stake first. The change is against the holder's previous filing.

No holder currently reports owning 5% or more of Mountain Crest Acquisition 6 Corp. on Schedule 13D or 13G.

Stakes are as of each holder's latest filing. Holders whose last filing was in the old format (before December 18, 2024) have no stake on record and are not listed, and after an acquisition or delisting holders usually stop filing.

13D and 13G filings

2 Schedule 13D and 13G filings on Mountain Crest Acquisition 6 Corp., newest first, including old-format filings without a stake.

Schedule 13D and 13G filings on MCAHU
Filed (ET)FilerFormStakeChangeEvent dateFiling
Aug 14, 202611:00 AM ETHarraden Circle Investments, LLCand 1 other13G/A0.00%0 shares−5.48 ppfrom 5.48%Below 5%Jun 30, 2026SEC
May 7, 20266:01 PM ETHarraden Circle Investments, LLCand 7 others13G5.48%475.0K sharesNewApr 30, 2026SEC

Form 144: proposed insider sales

Notices from officers, directors and other affiliates planning to sell Mountain Crest Acquisition 6 Corp. shares.

No Form 144 notices for Mountain Crest Acquisition 6 Corp. are on file.