Steven DenBaars - 26 Aug 2026 Form 4/A - Amendment Insider Report for Aeluma, Inc. (ALMU)

Source evidence Original filing metadata and source links for verification. 5 source fields
SEC form
4/A - Amendment
Accepted by SEC
28 Aug 2026, 17:54:54 UTC
Original report date
28 Aug 2026
Prior SEC filing
21 May 2026
Source filing
View source filing
Reporting owner 1 detail
Reporting owner signature
/s/ Joshua L. Colburn, Attorney-in-Fact

Key filing fact

Steven DenBaars filed Form 4/A - Amendment for Aeluma, Inc. (ALMU) on 28 Aug 2026.

Key facts

  • This page summarizes Steven DenBaars's Form 4/A - Amendment filing for Aeluma, Inc. (ALMU).
  • 2 reported transactions and 0 derivative rows are listed below.
  • Accepted by SEC: 28 Aug 2026, 17:54.

Change

  • Previous filing in this sequence was filed on 21 May 2026.
  • Current net transaction value: -$345,741.

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/A - Amendment disclosures.

View source filing

Reporting Owners (1)

CIK 0001700533 Primary reporting owner

Denbaars Steven

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

Reported non-derivative transactions

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

ALMU transaction

Common Stock

Sale

Transaction value
$173,044
Shares
-12,500
Change %
-3.4%
Price
$13.84
Shares after
357,709
Date
26 Aug 2026
Ownership
Direct
Footnotes
F1, F2
ALMU transaction

Common Stock

Sale

Transaction value
$172,698
Shares
-12,500
Change %
-3.5%
Price
$13.82
Shares after
345,209
Date
27 Aug 2026
Ownership
Direct
Footnotes
F1, F3
* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Rule 10b5-1 trading plan

These transactions were reported as open-market trades under a Rule 10b5-1 plan. The plan lets an insider set trading instructions in advance, which can reduce the risk of trading while in possession of material nonpublic information.

Original filing language: transaction made pursuant to a contract, instruction, or written plan intended to satisfy Rule 10b5-1(c).

Explanation of responses 3 footnotes

Footnote F1

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

Footnote F2

The price reported in Column 4 represents a weighted average sales price. These shares were sold in multiple transactions at prices ranging from $13.57 to $14.40, inclusive.

Footnote F3

The price reported in Column 4 represents a weighted average sales price. These shares were sold in multiple transactions at prices ranging from $13.59 to $14.35, inclusive.

SEC remarks

Amended solely to include details of Rule 10b5-1 plan unintentionally omitted from original filing.

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