Aeluma director sells 25,000 shares in planned trades

Aeluma, Inc. director Steven Denbaars reported selling a total of 25,000 shares of common stock in two open-market transactions under a pre-arranged Rule 10b5-1 trading plan adopted on November 20, 2025.

Rhea-AI Filing Summary

Aeluma, Inc. director Steven Denbaars reported selling a total of 25,000 shares of common stock in two open-market transactions under a pre-arranged Rule 10b5-1 trading plan adopted on November 20, 2025. He sold 12,500 shares on February 25, 2026 at a weighted average price of $17.5813 per share and 12,500 shares on February 26, 2026 at a weighted average price of $15.8475 per share, with actual sale prices on each day spanning disclosed ranges. After these sales, he continues to hold 385,088 shares directly.

Insider Trade Summary

Net Seller: 25,000 shares

Net Sell 2 txns

Insider Denbaars Steven

Role Director

Sold 25,000 shs ($418K)

Type	Security	Shares	Price	Value
Sale	Common Stock	12,500	$15.8475	$198K
Sale	Common Stock	12,500	$17.5813	$220K

Holdings After Transaction: Common Stock — 385,088 shares (Direct)

Footnotes (3)

1. F1. Sales effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 20, 2025.
2. F2. The price reported in Column 4 represents a weighted average sales price. These shares were sold in multiple transactions at prices ranging from $17.11 to $17.97, inclusive.
3. F3. The price reported in Column 4 represents a weighted average sales price. These shares were sold in multiple transactions at prices ranging from $15.475 to $16.41, inclusive.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What insider activity did Aeluma (ALMU) report for Steven Denbaars?

Aeluma director Steven Denbaars reported selling 25,000 shares of common stock in open-market transactions. The sales occurred over two days in February 2026 under a Rule 10b5-1 trading plan.

On what dates did Steven Denbaars sell Aeluma (ALMU) shares and how many?

He sold 12,500 Aeluma shares on February 25, 2026 and another 12,500 shares on February 26, 2026. In total, 25,000 common shares were sold in these transactions.

At what prices did Steven Denbaars sell his Aeluma (ALMU) shares?

The February 25, 2026 sale had a weighted average price of $17.5813 per share, with trades between $17.11 and $17.97. The February 26, 2026 sale averaged $15.8475, with trades between $15.475 and $16.41.

How many Aeluma (ALMU) shares does Steven Denbaars hold after the reported sales?

Following the reported transactions, Steven Denbaars directly holds 385,088 shares of Aeluma common stock. This figure reflects his ownership after selling a total of 25,000 shares in February 2026.

Were Steven Denbaars’ Aeluma (ALMU) stock sales under a trading plan?

Yes. The filing states the sales were effected pursuant to a Rule 10b5-1 trading plan adopted by Steven Denbaars on November 20, 2025, indicating they were pre-arranged rather than discretionary trades.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Accepted by SEC EDGAR 02/27/2026 - 04:22 PM Learn about SEC filing dates

SEC Form 4

FORM 4

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

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

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:			3235-0287
Estimated average burden
hours per response:			0.5

Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

X

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Denbaars Steven

(Last) (First) (Middle)

27 CASTILIAN DRIVE

(Street)

GOLETA CA 93117

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
Aeluma, Inc. [ ALMU ]

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

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

3. Date of Earliest Transaction (Month/Day/Year)
02/25/2026

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

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 Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Common Stock	02/25/2026		S(1)		12,500	D	$17.5813(2)	397,588	D
Common Stock	02/26/2026		S(1)		12,500	D	$15.8475(3)	385,088	D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

1. Sales effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 20, 2025.

2. The price reported in Column 4 represents a weighted average sales price. These shares were sold in multiple transactions at prices ranging from $17.11 to $17.97, inclusive.

3. The price reported in Column 4 represents a weighted average sales price. These shares were sold in multiple transactions at prices ranging from $15.475 to $16.41, inclusive.

	/s/ Joshua L. Colburn, Attorney-in-Fact	02/27/2026
	** 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 4 (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.