FollowFilings The Ledger · @followfilings · data: SEC Form 4 ← All receipts

$ALMU

Aeluma, Inc.
$8.85 -58.6% vs prior close

What they do: Semiconductors & Related Devices · Exchange: Nasdaq · Employees: 24

Aeluma, Inc. develops photonic and electronic technologies for communications and sensing in the United States. The company is involved in development of photodetectors, photodetector arrays, lasers, optical amplifiers, and other technologies. Its products are used in telecom, artificial intelligence, datacom, mobile, defense and aerospace, robotics, automotive, augmented reality/virtual reality, and quantum applications. Aeluma, Inc. was founded in 2019 and is headquartered in Goleta, California. (via Yahoo Finance)

Earnings trend (from SEC filings)

Quarter endRevenueDiluted EPS
2024-09-30$481K$-0.06
2024-12-31$1.6M$-0.24
2025-03-31$1.3M$0.11
2025-09-30$1.4M$-0.09
2025-12-31$1.3M$-0.11
2026-03-31$1.2M$-0.10

Institutional ownership (via Yahoo Finance, 13F-derived)

Insiders hold: 22.30% · Institutions hold: 29.56% across 142 filers

InstitutionSharesValue% held
Blackrock Inc.973,235$8.6M7.94%
Shaw D.E. & Co., Inc.797,983$7.1M6.51%
Vanguard Capital Management LLC574,417$5.1M4.68%
Millennium Management Llc529,005$4.7M4.31%
Geode Capital Management, LLC318,018$2.8M2.59%
State Street Corporation254,168$2.2M2.07%
Apis Capital Advisors, LLC194,000$1.7M1.58%
AWM Investment Company, Inc.131,404$1.2M1.07%

Insider activity — every transaction, real date, real price

Trade dateFiledNameRoleActionSharesPriceValueStock since
2026-10-122026-10-14Klamkin JonathanChief Executive OfficerSOLD100,000$10.53$1.1M-15.1%