Companies / Aeluma, Inc.

Aeluma, Inc.

Nasdaq: ALMUCIK 1828805GOLETA, CA

Financials · FY2025

Revenue$4.67M
Net income$-3.02M
Total debt$3.10M
Cash$37.78M
Diluted EPS$-0.23
Shares outstanding18.3M

Ownership

18.3M shares outstanding · as of May 8, 2026
10.3%Insiders
Ownership
Insiders10.26%1,878,490
10%+ / strategic20.58%3,767,913
Institutions25.83%4,728,590
Public float43.32%7,930,342

% of common shares outstanding (exact, from the latest cover-page filing). Institutions are quarterly 13F snapshots; insiders reflect current officers & directors.

Insiders 7

View all →
Insider% of sharesShares
Mark N. Tompkins10% owner
9.78%1,790,488
Klamkin JonathanCEOChief Executive Officer · Director · 10% owner
7.81%1,429,398
Lee McCarthy10% owner
5.34%977,425
Denbaars StevenDirector
2.10%385,088
Ensley Craig HDirector
0.15%27,300
Paglia John KennethDirector
0.13%23,361
Byron MichaelDirector
0.07%13,343

Institutional holders 85

View all →
HolderValue% of shares
BlackRock, Inc.$21.49M5.32%
Vanguard Group Inc$14.71M4.68%
State Street Corporation$5.61M1.39%
Millennium Management LLC$5.21M2.18%
Geode Capital Management, LLC$3.87M1.61%
AWM Investment Company, Inc.$3.43M1.09%
Apis Capital Advisors, LLC$2.70M1.13%
Susquehanna International Group, LLP$2.36M0.75%
Marshall Wace, LLP$1.96M0.82%
Northern Trust Corp$1.89M0.60%

Activity

View all →
InsidersInstitutions
What insiders are doing in this stock (Form 4).
DateActorActionSecurityValueShares ΔPosition afterImpact
Jan 20, 2026Mark N. Tompkins
10% owner
SellCommon Stock$601.5K-29K
-1.44%
1,995,876
10.90% of shares
medium
Feb 2, 2026Mark N. Tompkins
10% owner
SellCommon Stock$590.3K-38K
-2.01%
1,824,988
9.97% of shares
medium
Jan 21, 2026Mark N. Tompkins
10% owner
SellCommon Stock$561.7K-30K
-1.52%
1,964,660
10.73% of shares
medium
Jan 22, 2026Mark N. Tompkins
10% owner
SellCommon Stock$524.1K-29K
-1.49%
1,920,950
10.49% of shares
medium
Mar 4, 2026Klamkin Jonathan
CEO
SellCommon Stock$501.4K-28K
-1.91%
1,451,192
7.93% of shares
medium
Jan 29, 2026Mark N. Tompkins
10% owner
SellCommon Stock$457.2K-27K
-1.42%
1,892,691
10.34% of shares
medium
Feb 4, 2026Mark N. Tompkins
10% owner
SellCommon Stock$417.6K-29K
-1.56%
1,796,444
9.81% of shares
medium
Mar 4, 2026Klamkin Jonathan
CEO
SellCommon Stock$401.2K-22K
-1.50%
1,429,398
7.81% of shares
medium

5%+ ownership events

Schedule 13D / 13G
FilerStance% of classSharesDate
Mark N. TompkinsPassive13G/A—2,024,988—
Perry George HerbertPassive13G—1,000,000—

Securities

via CUSIP / OpenFIGI
SymbolTypeMarketCUSIPFIGI
ALMU——00776X109—