Aeluma family trust to sell 100,000 shares

A trust associated with Aeluma insiders filed to sell 100,000 ALMU common shares under Rule 144, alongside disclosure of recent 10b5-1 sales.

Rhea-AI Filing Summary

Aeluma, Inc. (ALMU) is the issuer of common stock for which the Klamkin Drelle Gelasca Family Trust dated 08/28/2025 has filed a notice to sell shares under Rule 144. The trust plans to sell 100,000 shares of common stock through Morgan Stanley Smith Barney LLC Executive Financial Services.

The planned sale has an aggregate market value of $1,272,500, with 19,265,671 shares of Aeluma common stock stated as outstanding as of the notice, and the securities were originally acquired as Founders Shares on October 27, 2020. In the prior three months, related 10b5-1 sales by Jonathan Klamkin totaled 40,000 shares of common stock.

Key Figures

Planned shares to be sold: 100,000 shares Aggregate market value of planned sale: $1,272,500 Shares outstanding: 19,265,671 shares +3 more

6 metrics

Planned shares to be sold 100,000 shares Common stock to be sold under Rule 144 by the Klamkin Drelle Gelasca Family Trust

Aggregate market value of planned sale $1,272,500 Total market value of 100,000 common shares to be sold

Shares outstanding 19,265,671 shares Aeluma common stock outstanding as referenced in the notice

Prior 10b5-1 sale on August 3, 2026 20,000 shares for $334,642 Common stock sold by Jonathan Klamkin under a 10b5-1 plan

Prior 10b5-1 sale on July 1, 2026 20,000 shares for $421,668 Common stock sold by Jonathan Klamkin under a 10b5-1 plan

Original acquisition date October 27, 2020 Date the 100,000 founders shares were acquired from the issuer

Key Terms

Rule 144, Founders Shares, 10b5-1, Form 144

4 terms

Rule 144 regulatory

"See the definition of "person" in paragraph (a) of Rule 144."

Rule 144 is a U.S. securities regulation that sets conditions under which restricted or insider-held shares can be legally resold to the public, such as required holding periods, availability of public information, limits on how much can be sold at once, and certain filing requirements. For investors it matters because it determines when previously locked-up shares can enter the market — like a release valve that can increase supply, affect share price, and signal insider intent.

Founders Shares financial

"Common | 10/27/2020 | Founders Shares | Issuer"

Founders shares are a special block of a company’s stock originally given to the people who started the business; they often carry extra voting power or favorable terms compared with regular shares. For investors, these shares matter because they concentrate control and influence how future funding, ownership dilution, and decision-making will play out—think of founders shares as the steering wheel that can steer a company’s direction even as more passengers (investors) climb aboard.

10b5-1 regulatory

"10b5-1 Sales for JONATHAN KLAMKIN 27 Castilian Drive Goleta CA 93117"

A 10b5-1 plan is a pre-set schedule that lets company insiders buy or sell shares according to written instructions made when they do not possess material, nonpublic information. Think of it as a timed automatic payment for stock trades: it helps insiders avoid accusations of trading on secret information and gives outside investors a clearer signal about whether sales are routine or potentially informative about the company’s prospects.

Form 144 regulatory

"144: Filer Information"

Form 144 is a document that investors must file with the government when they plan to sell a large number of shares of a company's stock. It helps ensure transparency so everyone knows how many shares are being sold and when, which can impact the stock's price.

FAQ

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

What does the Form 144 filing disclose for Aeluma, Inc. (ALMU)?

It discloses that the Klamkin Drelle Gelasca Family Trust dated 08/28/2025 intends to sell 100,000 shares of Aeluma common stock under Rule 144 through Morgan Stanley Smith Barney LLC Executive Financial Services.

How large is the planned Rule 144 sale for ALMU in dollar terms?

The planned Rule 144 sale covers 100,000 shares of Aeluma common stock with an aggregate market value of $1,272,500 as stated in the notice.

How many Aeluma (ALMU) shares are reported as outstanding in this notice?

The notice reports that 19,265,671 shares of Aeluma common stock are outstanding, providing a baseline figure separate from the 100,000 shares intended to be sold.

What prior 10b5-1 sales are disclosed related to ALMU?

The filing lists 10b5-1 sales for Jonathan Klamkin of 20,000 shares of common stock on August 3, 2026 for $334,642 and another 20,000 shares on July 1, 2026 for $421,668.

When and how were the ALMU shares to be sold originally acquired?

The securities to be sold were acquired as Founders Shares from the issuer on October 27, 2020, as indicated in the acquisition information section.

Which broker is handling the proposed ALMU share sale?

The notice identifies Morgan Stanley Smith Barney LLC Executive Financial Services, at One New York Plaza, as the broker handling the proposed sale of 100,000 Aeluma common shares.

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

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Available on EDGAR 09/21/2026 - 04:28 PM Accepted by SEC EDGAR 09/21/2026 - 04:28 PM Learn about SEC filing dates

Form 144 Filer Information	UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 144 NOTICE OF PROPOSED SALE OF SECURITIES PURSUANT TO RULE 144 UNDER THE SECURITIES ACT OF 1933
FORM 144

144: Filer Information

Filer CIK	0001869626
Filer CCC	XXXXXXXX
Is this a LIVE or TEST Filing?	LIVE TEST
Submission Contact Information
Name
Phone
E-Mail Address

144: Issuer Information

Name of Issuer	AELUMA, INC
SEC File Number	001-42570
Address of Issuer	27 Castilian Drive Goleta CALIFORNIA 93117
Phone	805-351-2707
Name of Person for Whose Account the Securities are To Be Sold	Klamkin Drelle Gelasca Family Trust dated 08/28/2025
See the definition of "person" in paragraph (a) of Rule 144. Information is to be given not only as to the person for whose account the securities are to be sold but also as to all other persons included in that definition. In addition, information shall be given as to sales by all persons whose sales are required by paragraph (e) of Rule 144 to be aggregated with sales for the account of the person filing this notice.
Relationship to Issuer	Director
Relationship to Issuer	Officer

144: Securities Information

Title of the Class of Securities To Be Sold	Name and Address of the Broker	Number of Shares or Other Units To Be Sold	Aggregate Market Value	Number of Shares or Other Units Outstanding	Approximate Date of Sale	Name the Securities Exchange
Common	Morgan Stanley Smith Barney LLC Executive Financial Services 1 New York Plaza 8th Floor New York NY 10004	100000	1272500.00	19265671	09/21/2026	NASDAQ

Furnish the following information with respect to the acquisition of the securities to be sold and with respect to the payment of all or any part of the purchase price or other consideration therefor:

144: Securities To Be Sold

Title of the Class	Date you Acquired	Nature of Acquisition Transaction	Name of Person from Whom Acquired	Is this a Gift?	Date Donor Acquired	Amount of Securities Acquired	Date of Payment	Nature of Payment *
Common	10/27/2020	Founders Shares	Issuer			100000	10/27/2020	N/A

* If the securities were purchased and full payment therefor was not made in cash at the time of purchase, explain in the table or in a note thereto the nature of the consideration given. If the consideration consisted of any note or other obligation, or if payment was made in installments describe the arrangement and state when the note or other obligation was discharged in full or the last installment paid.

Furnish the following information as to all securities of the issuer sold during the past 3 months by the person for whose account the securities are to be sold.

144: Securities Sold During The Past 3 Months

Name and Address of Seller	Title of Securities Sold	Date of Sale	Amount of Securities Sold	Gross Proceeds
10b5-1 Sales for JONATHAN KLAMKIN 27 Castilian Drive Goleta CA 93117	Common	08/03/2026	20000	334642.00
10b5-1 Sales for JONATHAN KLAMKIN 27 Castilian Drive Goleta CA 93117	Common	07/01/2026	20000	421668.00

144: Remarks and Signature

Remarks
Date of Notice	09/21/2026
Date of Plan Adoption or Giving of Instruction, If Relying on Rule 10b5-1	05/23/2026
ATTENTION:
The person for whose account the securities to which this notice relates are to be sold hereby represents by signing this notice that he does not know any material adverse information in regard to the current and prospective operations of the Issuer of the securities to be sold which has not been publicly disclosed. If such person has adopted a written trading plan or given trading instructions to satisfy Rule 10b5-1 under the Exchange Act, by signing the form and indicating the date that the plan was adopted or the instruction given, that person makes such representation as of the plan adoption or instruction date.
Signature	/s/ Jonathan Klamkin
ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)