Aeluma CEO reports 20,000-share Rule 10b5-1 stock sale

Aeluma, Inc. reports that CEO Jonathan Klamkin executed multiple common stock transactions on July 1, 2026.

Rhea-AI Filing Summary

Aeluma, Inc. reports that CEO Jonathan Klamkin executed multiple common stock transactions on July 1, 2026. One bona fide gift disposition moved 20,000 shares held indirectly by a family trust, and a separate gift transaction recorded acquisition of 20,000 shares into his direct ownership.

He then sold 19,900 shares at a weighted average price of $21.081 per share in transactions priced between $20.54 and $21.52, plus an additional 100 shares at $21.56, in open market or private transactions. After these trades, he holds 2,403 shares of Aeluma common stock directly. Footnotes explain that the sales were effected pursuant to a Rule 10b5-1 trading plan adopted on December 3, 2025.

Insider Trade Summary 10b5-1

Net Seller: 20,000 shares

Net Sell 4 txns

Insider Klamkin Jonathan

Role Chief Executive Officer

Sold 20,000 shs ($422K)

Type	Security	Shares	Price	Value
Gift	Common Stock	20,000	$0.00	$0.00
Gift	Common Stock	20,000	$0.00	$0.00
Sale	Common Stock	19,900	$21.081	$420K
Sale	Common Stock	100	$21.56	$2K

Holdings After Transaction: Common Stock — 1,346,995 shares (Indirect, By Family Trust); Common Stock — 2,403 shares (Direct)

Footnotes (2)

1. F1. Sales effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on December 3, 2025.
2. F2. Reflects the weighted average price of 19,900 shares of common stock of Aeluma, Inc. sold by the reporting person in multiple transactions on July 1, 2026 with sale prices ranging from $20.54 to $21.52 per share. The reporting person undertakes to provide upon request by the U.S. Securities and Exchange Commission staff, the issuer, or a security holder of the issuer, full information regarding the number of shares sold at each separate price.

Key Figures

Shares sold: 20,000 shares Weighted average sale price: $21.081 per share Sale price range: $20.54–$21.52 per share +4 more

7 metrics

Shares sold 20,000 shares Total common stock sold on July 1, 2026

Weighted average sale price $21.081 per share Weighted average for 19,900 shares sold on July 1, 2026

Sale price range $20.54–$21.52 per share Price range for 19,900-share sale on July 1, 2026

Additional sale 100 shares at $21.56 Separate common stock sale on July 1, 2026

Gift shares 40,000 shares Total bona fide gift transfers reported

Direct holdings after transactions 2,403 shares Canonical post-transaction direct ownership of common stock

Rule 10b5-1 plan adoption date December 3, 2025 Adoption date of trading plan governing reported sales

Key Terms

Rule 10b5-1 trading plan, bona fide gift, weighted average price

3 terms

Rule 10b5-1 trading plan regulatory

"Sales effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person"

A Rule 10b5-1 trading plan is a pre-arranged schedule that allows company insiders to buy or sell stock at specific times, even if they have inside information. It helps prevent accusations of unfair trading by making these transactions look planned and transparent, rather than sneaky or illegal.

bona fide gift regulatory

"transaction code description: Bona fide gift"

A bona fide gift is a genuine, voluntary transfer of money, property, or benefits from one party to another made without expectation of repayment, services, or hidden conditions. Investors care because such gifts can affect company disclosures, related‑party transaction rules, tax treatment, and perceived conflicts of interest; think of it like someone giving you a present with no strings attached — but on a corporate scale, auditors and regulators need to verify it really is unconditional.

weighted average price financial

"Reflects the weighted average price of 19,900 shares of common stock"

Weighted average price is the average price of a security where each trade or component is counted according to its size, so bigger trades pull the average more than smaller ones. Think of it like calculating the average cost of a grocery haul where items you bought more of have greater influence on the final per-item cost. Investors use it to understand the true average price paid or received, judge execution quality, and compare trading performance against market movement.

FAQ

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

What insider transactions did Aeluma (ALMU) CEO Jonathan Klamkin report?

Jonathan Klamkin reported four transactions in Aeluma common stock on July 1, 2026: two bona fide gift transfers of 20,000 shares each and two sales totaling 20,000 shares in open market or private transactions at prices around $21.

How many Aeluma (ALMU) shares did CEO Klamkin sell and at what prices?

Klamkin sold 19,900 shares at a weighted average price of $21.081 per share, with individual sale prices ranging from $20.54 to $21.52, and an additional 100 shares at $21.56 in open market or private transactions.

Were Aeluma (ALMU) CEO Klamkin’s share sales under a Rule 10b5-1 plan?

Yes. Footnotes state the sales were effected under a Rule 10b5-1 trading plan adopted by Jonathan Klamkin on December 3, 2025, indicating the transactions followed a pre-arranged trading program rather than being initiated spontaneously.

How many Aeluma (ALMU) shares does CEO Klamkin hold after these transactions?

After the reported transactions, Jonathan Klamkin holds 2,403 shares of Aeluma common stock in direct ownership. Separate transaction data also show substantial indirect holdings through a family trust, distinct from the 2,403 shares held personally.

What gifts of Aeluma (ALMU) stock did CEO Klamkin report?

Klamkin reported two bona fide gift transactions of Aeluma common stock on July 1, 2026: a 20,000-share disposition by a family trust and a separate 20,000-share acquisition into his direct ownership, together representing 40,000 gift shares in total.

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

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Accepted by SEC EDGAR 07/02/2026 - 04:04 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^*

Klamkin Jonathan

(Last) (First) (Middle)

27 CASTILIAN DRIVE

(Street)

GOLETA CALIFORNIA 93117

(City) (State) (Zip)

UNITED STATES

(Country)

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
X	Officer (give title below)		Other (specify below)
	Chief Executive Officer

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
07/01/2026

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

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

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

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	07/01/2026		G		20,000	D	$0	1,346,995	I	By Family Trust
Common Stock	07/01/2026		G		20,000	A	$0	22,403	D
Common Stock	07/01/2026		S(1)		19,900	D	$21.081(2)	2,503	D
Common Stock	07/01/2026		S(1)		100	D	$21.56	2,403	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 December 3, 2025.

2. Reflects the weighted average price of 19,900 shares of common stock of Aeluma, Inc. sold by the reporting person in multiple transactions on July 1, 2026 with sale prices ranging from $20.54 to $21.52 per share. The reporting person undertakes to provide upon request by the U.S. Securities and Exchange Commission staff, the issuer, or a security holder of the issuer, full information regarding the number of shares sold at each separate price.

	/s/ Joshua L. Colburn, Attorney-in-Fact	07/02/2026
	** 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.
* Form 4: SEC 1474 (03-26)