Michael Byron - 03 Dec 2025 Form 4 Insider Report for Aeluma, Inc. (ALMU)

Reporting relationship: Director
Issuer ticker: ALMU
Reported as of: 03 Dec 2025
Net transaction value: $0
SEC form: 4
Accepted by SEC: 02 Mar 2026, 16:55:31 UTC
Prior SEC filing: 23 May 2025
Source filing: View source filing
Reporting owner signature: /s/ Joshua L. Colburn, Attorney-in-Fact

Key filing fact

Michael Byron filed Form 4 for Aeluma, Inc. (ALMU) on 02 Mar 2026.

Key facts

This page summarizes Michael Byron's Form 4 filing for Aeluma, Inc. (ALMU).
2 reported transactions and 1 derivative row are listed below.
Accepted by SEC: 02 Mar 2026, 16:55.

Change

Previous filing in this sequence was filed on 23 May 2025.
Current net transaction value: $0.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0001516062 Primary reporting owner

Byron Michael

Relationship: Director
Address: 27 CASTILIAN DRIVE, GOLETA
Signature: /s/ Joshua L. Colburn, Attorney-in-Fact
Signature date: 02 Mar 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

ALMU transaction

Common Stock

Award

Transaction value: $0
Shares: +13,343
Change %
Price: $0.000000
Shares after: 13,343
Date: 03 Dec 2025
Ownership: Direct
Footnotes: F1

Reported derivative securities

Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.

ALMU transaction Derivative

Stock Option (right to buy)

Award

Transaction value: $0
Shares: +3,653
Change %
Price: $0.000000
Shares after: 3,653
Date: 01 Sep 2025
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 3,653
Exercise price: $18.27
Footnotes: F2

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 2 footnotes

Footnote F1

Restricted stock units scheduled to vest with respect to approximately 1/12 of the shares on December 31, 2025, 1/4 of the shares on March 31, June 30, and September 30, 2026, and 1/6 of the shares on November 30, 2026.

Footnote F2

Fully vested.