STOCK TITAN

Aeluma (ALMU) CEO sells 20,000 shares, gifts 40,000 under 10b5‑1 plan

Filing Impact
(High)
Filing Sentiment
(Negative)
Form Type
4

Rhea-AI Filing Summary

Aeluma, Inc. Chief Executive Officer Jonathan Klamkin reported multiple transactions in the company’s common stock. He executed open‑market sales of 100 shares at $21.56 per share and 19,900 shares at a weighted average price of $21.081 per share, with individual trades ranging from $20.54 to $21.52 per share.

The open‑market sales were carried out under a pre‑arranged Rule 10b5‑1 trading plan adopted on December 3, 2025. In addition, he completed bona fide gifts totaling 40,000 shares, including 20,000 shares affecting direct holdings and 20,000 shares involving a family trust. Following these transactions, the filing shows remaining direct ownership of 22,403 shares and indirect ownership of 1,346,995 shares held through a family trust.

Positive

  • None.

Negative

  • None.
Insider Klamkin Jonathan
Role Chief Executive Officer
Sold 20,000 shs ($422K)
Type Security Shares Price Value
Gift Common Stock 20,000 $0.00 --
Gift Common Stock 20,000 $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 — 22,403 shares (Direct, null)
Footnotes (1)
  1. Sales effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on December 3, 2025. 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.
Open-market sale 1 100 shares at $21.56/share Common Stock sold on July 1, 2026
Open-market sale 2 19,900 shares at $21.081/share Weighted average price; trades $20.54–$21.52 on July 1, 2026
Total shares sold 20,000 shares Net open-market sales reported in this filing
Total gifted shares 40,000 shares Bona fide gifts of Common Stock
Direct holdings after transactions 22,403 shares Common Stock directly owned following reported transactions
Indirect holdings after transactions 1,346,995 shares Common Stock indirectly owned "By Family Trust" after transactions
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 financial
"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.
indirect ownership financial
""direct_or_indirect": "I","nature_of_ownership": "By Family Trust""
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Learn about SEC filing dates
SEC Form 4
FORM 4UNITED 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)
XDirector10% Owner
XOfficer (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)
XForm 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)
CodeVAmount(A) or (D)Price
Common Stock07/01/2026G20,000D$01,346,995IBy Family Trust
Common Stock07/01/2026G20,000A$022,403D
Common Stock07/01/2026S(1)19,900D$21.081(2)2,503D
Common Stock07/01/2026S(1)100D$21.562,403D
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)
CodeV(A)(D)Date ExercisableExpiration DateTitleAmount 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-Fact07/02/2026
** Signature of Reporting PersonDate
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)

FAQ

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

Jonathan Klamkin reported open‑market sales and stock gifts. He sold 100 shares at $21.56 and 19,900 shares at a weighted average of $21.081 per share, and made bona fide gifts totaling 40,000 shares, including transactions involving a family trust.

How many Aeluma (ALMU) shares did the CEO sell in this Form 4 filing?

The CEO sold a total of 20,000 shares in open‑market transactions. These consisted of 100 shares at $21.56 and 19,900 shares at a weighted average price of $21.081, with individual trades between $20.54 and $21.52 per share.

Were the Aeluma (ALMU) insider stock sales made under a Rule 10b5‑1 plan?

Yes, the reported Aeluma stock sales were made under a Rule 10b5‑1 plan. A footnote states the sales were effected pursuant to a trading plan adopted by the reporting person on December 3, 2025, indicating they were pre‑scheduled rather than discretionary trades.

How many Aeluma (ALMU) shares did the CEO transfer as gifts?

The filing reports bona fide gifts totaling 40,000 Aeluma shares. One 20,000‑share gift involved direct ownership, and another 20,000‑share gift is associated with indirect ownership described as held "By Family Trust," reflecting non‑market, no‑consideration transfers.

What are Jonathan Klamkin’s reported Aeluma (ALMU) holdings after these transactions?

The filing shows substantial remaining direct and indirect Aeluma holdings. After the sales and gifts, reported direct ownership stands at 22,403 common shares, while indirect ownership through a family trust is reported at 1,346,995 common shares, according to the post‑transaction share figures.