Mountain Crest 6 (MCAHU) insider Haight Nelson files initial Form 3

Rhea-AI Filing Summary

Mountain Crest Acquisition 6 Corp. filed an initial insider ownership report for director Haight Nelson. This Form 3 identifies Nelson as a director of the company but does not list any transactions or derivative positions in the company’s securities in the data provided.

Key Terms

insider ownership, director, Form 3

3 terms

insider ownership financial

"filed an initial insider ownership report for director Haight Nelson"

director financial

"identifies Nelson as a director of the company"

Form 3 regulatory

"This Form 3 identifies Nelson as a director of the company"

Form 3 is the initial public filing that officers, directors and large shareholders must submit to report their ownership of a company’s securities when they become insiders. It acts like an opening inventory sheet that gives investors a starting point to see who holds significant stakes and to spot later trades or potential conflicts of interest, helping assess insider confidence and transparency.

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SEC Form 3

FORM 3

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0104
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hours per response:			0.5

1. Name and Address of Reporting Person^*

Haight Nelson

(Last) (First) (Middle)

C/O MOUNTAIN CREST ACQUISITION 6 CORP.,

524 BROADWAY, 11TH FLOOR,

(Street)

NEW YORK NEW YORK 10012

(City) (State) (Zip)

UNITED STATES

(Country)

2. Date of Event Requiring Statement (Month/Day/Year)
04/29/2026

3. Issuer Name and Ticker or Trading Symbol
Mountain Crest Acquisition 6 Corp. [ MCAH ]

3a. Foreign Trading Symbol

5. If Amendment, Date of Original Filed (Month/Day/Year)

4. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

X	Director		10% Owner
	Officer (give title below)		Other (specify below)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Beneficially Owned
1. Title of Security (Instr. 4)	2. Amount of Securities Beneficially Owned (Instr. 4)	3. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	4. Nature of Indirect Beneficial Ownership (Instr. 5)

Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 4)	2. Date Exercisable and Expiration Date (Month/Day/Year)		3. Title and Amount of Securities Underlying Derivative Security (Instr. 4)		4. Conversion or Exercise Price of Derivative Security	5. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)
	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

No securities are beneficially owned.

	/s/ Nelson Haight	04/29/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 5 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.
* Form 3: SEC 1473 (03-26)

FAQ

What does the Haight Nelson Form 3 for MCAHU disclose?

The Form 3 identifies Haight Nelson as a director of Mountain Crest Acquisition 6 Corp. It serves as an initial insider ownership report and shows no transactions or derivative positions in the data provided.

Does Haight Nelson report any stock transactions in MCAHU on this Form 3?

No, this Form 3 reports no stock transactions by Haight Nelson. The filing only establishes insider status as a director of Mountain Crest Acquisition 6 Corp., with zero buys, sells, or exercises shown.

What is the role of Haight Nelson at Mountain Crest Acquisition 6 Corp. (MCAHU)?

Haight Nelson is disclosed as a director of Mountain Crest Acquisition 6 Corp. on the Form 3. This positions Nelson as an insider subject to ongoing reporting of future transactions in the company’s securities.

Why is a Form 3 important for MCAHU investors?

Form 3 is the initial insider ownership filing for a company officer, director, or major holder. For MCAHU, it signals that Haight Nelson is now an insider, creating a baseline for any future Form 4 or Form 5 transaction reports.

Are there any derivative securities reported for Haight Nelson in MCAH?

No derivative securities are shown for Haight Nelson in the data, and the derivativeSummary is empty. This indicates no reported options, warrants, or similar instruments tied to Mountain Crest Acquisition 6 Corp.