Aeluma, Inc. (ALMU)
Nasdaq: ALMU · Semiconductors & Related Devices · Goleta, CA · filing with the SEC since 2020
Who owns Aeluma, Inc.
As filed with the SECHolders of 5% or more
2
Perry George Herbert holds 5.6% of Common Stock, par value $0.0001 per share, as its SCHEDULE 13G filed Mar 31, 2026 says.
Directors and officers
8
report now, of 11 people on the record since 2020. Their holdings as a group are not read here.
Institutions as a whole
n/a
The record does not read the share held by managers that file Form 13F, so none is printed and no split of the rest is estimated. What it holds is the 2 named at left.
Holders of 5% or moreshare of the class, as filed
Perry George Herbert
SCHEDULE 13G · filed Mar 31, 2026 · Common Stock, par value $0.0001 per share
Blackrock, Inc.
SCHEDULE 13G · filed Jul 27, 2026 · Common Stock
Mark N. Tompkins
SCHEDULE 13G/A · filed May 15, 2026 · Common Stock, par value $0.0001 per share · reported falling below 5%, from 11.3% in Feb 17, 2026
AWM Investment Company, Inc.
SCHEDULE 13G/A · filed Jun 6, 2025 · Common Stock · reported falling below 5%, from 5.3% in May 7, 2025
Lee McCarthy
SCHEDULE 13D/A · filed Jan 2, 2026 · Common Stock, $0.0001 par value · reported falling below 5%
What ALMU reports owning in othersstakes of 5% or more, and other ties
Aeluma, Inc. reports no stake in another company in the record.
Insider tradesForm 4
68sales
0purchases
25sales on a scheduled plan
3people selling
$18.3Msold, in dollars
$0bought, in dollars
Open-market trades on Form 4 from Oct 14, 2025 to Oct 14, 2026. A scheduled plan is a selling program set in advance under SEC rule 10b5-1. The trades are listed as filed and do not feed the grade.
By calendar yearSoldBought
2026 runs to Oct 14, 2026. Dollars as filed, summed by the transaction date.
People who traded in the window3 of 11 on the roster
| Person | Role as filed | Sales | Sold | On a plan | Buys | Bought |
|---|---|---|---|---|---|---|
| Tompkins Mark N. | director | 42 | $12.1M | 0 | 0 | $0 |
| Klamkin Jonathan | Chief Executive Officer | 17 | $5.3M | 17 | 0 | $0 |
| Denbaars Steven | director | 10 | $1.6M | 8 | 0 | $0 |