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ALMU · Aeluma, Inc.
> Ask across nine datasets ⌘K
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TEAM-0.32% 13F +439META+2.47% 13F +2,694RCG-2.04% CLUSTERUTHR-4.03% 13F +425CRWV+4.49% 13F +693CRM+2.92% 13F +1,018CVNA-0.98% 13F +794TPL-0.71% 13F +444NET-4.47% 13F +710MSTR-1.35% 13F +526DELL+4.91% 13F +1,203CRWD+5.68% 13F +1,382ANET+1.22% 13F +1,323COIN+10.14% 13F +475TEAM-0.32% 13F +439META+2.47% 13F +2,694RCG-2.04% CLUSTERUTHR-4.03% 13F +425CRWV+4.49% 13F +693CRM+2.92% 13F +1,018CVNA-0.98% 13F +794TPL-0.71% 13F +444NET-4.47% 13F +710MSTR-1.35% 13F +526DELL+4.91% 13F +1,203CRWD+5.68% 13F +1,382ANET+1.22% 13F +1,323COIN+10.14% 13F +475
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ALMU

Aeluma, Inc.
SEMICONDUCTORS & ELECTRONICS · SEMICONDUCTORS & RELATED DEVICES · CIK 0001828805
FORM 144 · 2☆ WATCH
INSIDER NET · 180D
-$3.2M
open-market buys minus sells, Form 4 codes P and S
INSIDER BUYERS · 180D
0
CONGRESS BUYERS · 1Y
0
FUNDS ADDED · QTR
55
13F, latest reported quarter
REVENUE GROWTH
+407.6%
XBRL, annual
NET MARGIN
-64.8%
SEVEN FACTS, RANKED AGAINST THE SECTOR · RANK IS NOT A FORECAST
INSIDERS
net -$3.2M over 180 days
-$1.4M over 90 days
more than 55% of Semiconductors & Electronics
CONGRESS
no member of Congress has reported trading it
FUNDS
55 funds added or opened last quarter
below 69% of Semiconductors & Electronics
REVENUE
+407.6% year over year
more than 96% of Semiconductors & Electronics
MARGIN
-64.8% net margin
below 80% of Semiconductors & Electronics
BUYBACKS
no share repurchases reported
SHORT
20.9% of shares outstanding short · 7.4 days to cover · settled 2026-07-31
more than 96% of Semiconductors & Electronics
THE SITUATION · EVERY LINE IS ONE RULE OVER ONE DATASET
55 funds added or opened positions in the latest 13F quarter, of 100 holders.
The year, with the filings on it
Total return indexed to 100 over the last 12 months · every marker is a federal filing, placed at its date — hover any marker for the detail
TOTAL 12M RETURN -36.0%
-36.0%12M
-47%-13%+21%+56%2025-092025-102025-122026-032026-052026-072026-09 2025-10-06 · Tompkins Mark N. sold $1.2M2025-10-14 · Tompkins Mark N. sold $731.9K2025-10-01 · Tompkins Mark N. sold $702.0K2025-12-08 · Tompkins Mark N. sold $625.8K2025-10-20 · Tompkins Mark N. sold $614.6K2026-01-20 · Tompkins Mark N. sold $601.5K2025-10-08 · Tompkins Mark N. sold $598.9K2025-10-02 · Tompkins Mark N. sold $596.4K2025-10-13 · Tompkins Mark N. sold $594.5K2025-10-09 · Tompkins Mark N. sold $593.9K2026-02-02 · Tompkins Mark N. sold $590.2K2026-01-21 · Tompkins Mark N. sold $561.7K2025-10-17 · Tompkins Mark N. sold $558.5K2025-09-30 · Tompkins Mark N. sold $546.9K2025-09-30 · Tompkins Mark N. sold $540.1K2026-01-22 · Tompkins Mark N. sold $524.1K2025-12-22 · Tompkins Mark N. sold $519.0K2025-10-10 · Tompkins Mark N. sold $507.7K2026-03-04 · Klamkin Jonathan sold $501.2K2025-10-15 · Tompkins Mark N. sold $485.6K2025-10-07 · Tompkins Mark N. sold $466.1K2025-12-05 · Tompkins Mark N. sold $457.6K2026-01-29 · Tompkins Mark N. sold $457.2K2025-12-19 · Tompkins Mark N. sold $441.0K2026-07-01 · Klamkin Jonathan sold $419.5K2026-02-04 · Tompkins Mark N. sold $417.6K2025-09-29 · Tompkins Mark N. sold $409.7K2026-03-04 · Klamkin Jonathan sold $401.2K2026-01-30 · Tompkins Mark N. sold $382.6K2026-05-01 · Klamkin Jonathan sold $377.9K2025-12-26 · Tompkins Mark N. sold $366.8K2025-12-10 · Tompkins Mark N. sold $349.8K2025-10-15 · Tompkins Mark N. sold $337.8K2025-10-16 · Tompkins Mark N. sold $332.7K2025-12-09 · Tompkins Mark N. sold $326.5K2025-10-03 · Tompkins Mark N. sold $314.7K2025-12-04 · Tompkins Mark N. sold $302.8K2025-12-18 · Tompkins Mark N. sold $287.4K2026-08-03 · Klamkin Jonathan sold $266.4K2026-04-01 · Klamkin Jonathan sold $262.0K2026-01-21 · Tompkins Mark N. sold $249.9K2025-12-24 · Tompkins Mark N. sold $240.8K2026-08-26 · Steven DenBaars filed to sell $347.0K2026-07-01 · JONATHAN KLAMKIN filed to sell $883.2K
INSIDER SELLFORM 144
INDEXED RETURN, DIVIDEND-ADJUSTED — NOT A PRICE CHART · LARGE TRADES DRAWN FIRST WHEN A NAME FILES HEAVILY
Live price
Daily candles from TradingView, on their licence — no filings are marked on this one
WHY THIS NAME IS ON THE DESK
Insiders have filed to sell — before selling.
The record shows a net $3.2M sold by insiders over 180 days, 55 funds added last quarter, $1.2M in planned Form 144 sales. Every figure is a federal filing, dated the day it became public.
Same sector, ranked by filing activity
Sector from the SEC's own SIC classification
Insider transactions
Form 4 purchases and sales (codes P and S) — grants, option exercises and preferred conversions excluded

Over the last 180 days, Aeluma, Inc. insiders sold a net $3.2M of stock across 95 Form 4 purchases and sales, with 0 insider(s) buying. Source: SEC Form 4 filings, as of 2026-09-05.

INSIDER
FILED
SHARES
VALUE
Denbaars Steven
Director
SELL
2026-08-27
12,500.0
$172.7K
Denbaars Steven
Director
SELL
2026-08-27
12,500.0
$172.7K
Denbaars Steven
Director
SELL
2026-08-26
12,500.0
$173.0K
Denbaars Steven
Director
SELL
2026-08-26
12,500.0
$173.0K
Klamkin Jonathan
Chief Executive Officer
SELL
2026-08-03
4,190.0
$68.3K
95 TRANSACTIONS ON RECORD

Showing the most recent few. Create a free account to see 90 more transactions on record, the cross-source screener and CSV export. We store only your email address, and there is no password to create.

Institutional holders
13F · holdings as of the latest quarter funds have reported
BlackRock, Inc.
973,235.0 sh
$21.5M
D. E. Shaw & Co., Inc.
797,983.0 sh
$17.6M
VANGUARD CAPITAL MANAGEMENT LLC
574,417.0 sh
$12.7M
MILLENNIUM MANAGEMENT LLC
529,005.0 sh
$11.7M
GEODE CAPITAL MANAGEMENT, LLC
318,018.0 sh
$7.0M
SCHEDULE 13D/G
No 5%+ ownership filings
Nobody has crossed 5% with a filing obligation. Absence is a fact here, not missing data.
Planned sales · Form 144
Filed before the sale — intent, not a trade
Steven DenBaars
FILED 2026-08-26
$347.0K
JONATHAN KLAMKIN
FILED 2026-07-01
$883.2K
Fund concentration
N-PORT · funds ranked by how much of THEMSELVES they put in this stock — the conviction number 13F cannot show
VANGUARD U.S. MOMENTUM FACTOR ETF
$1.0M POSITION · AS OF 2026-02-28
0.1%
AQR Small Cap Momentum Style Fund
$73.2K POSITION · AS OF 2026-03-31
0.0%
iShares Micro-Cap ETF
$430.5K POSITION · AS OF 2026-03-31
0.0%
Small Cap Core Fund
$90.7K POSITION · AS OF 2026-03-31
0.0%
1290 VT Micro Cap Portfolio
$31.9K POSITION · AS OF 2026-03-31
0.0%
VANGUARD RUSSELL 2000 VALUE INDEX FUND
$128.4K POSITION · AS OF 2026-02-28
0.0%
SEC N-PORT, MONTHLY WITH A ~60-DAY PUBLIC LAG · FUNDS ≥ $10M · % = SHARE OF THE FUND'S OWN BOOK
Fundamentals
Annual figures from XBRL filings · pick a past date to see them exactly as the market knew them then — restatements and all
2025-062024-062023-062022-06
REVENUE$4.7M$919.0K$193.3K
OPERATING INCOME$-2.1M$-4.6M$-5.5M$-3.7M
NET INCOME$-3.0M$-4.6M$-5.4M$-3.5M
EPS (DILUTED)-0.23-0.37-0.47-0.32
OPERATING CASH FLOW$-1.1M$-3.5M$-3.6M$-2.3M
CASH$3.6M$1.3M$5.1M$3.7M
BUYBACKS$4.0K
SEC XBRL · FISCAL-YEAR PERIODS · AS KNOWN ON 2026-09-05 · NOBODY ELSE SHOWS FUNDAMENTALS AS OF A PAST DATE
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Public filings, honestly analyzed. Official US government sources in one desk — every figure carries the date it was filed, and the methodology is published, backtest included.

SEC FORM 4FORM 13F 13D/GFORM 144XBRL STOCK ACTCONTRACTSFEC CFPBNRC
© 2026 WAVEMAN · SOURCE: SEC EDGAR & OFFICIAL GOVERNMENT DATA · NOT INVESTMENT ADVICE · CHART BY TRADINGVIEW · UPDATED 2026-09-05 ALL SYSTEMS LIVE FOR MACHINES →