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ALMU — structural market context

Aeluma, Inc.

Structural market context from public regulatory and market data, shown with its as-of dates. Descriptive only: nothing on this page is a recommendation, a prediction, or advice to buy or sell any security.

What changed

As of the close on Oct 21. Each line shows the earlier value, the later value and their dates.

Price

Close $7.71 (Oct 21) vs $7.68 (Oct 20): +0.39%.

Volume

0.77× its 20-session average (618K) on Oct 21.

Includes pre- and post-market trading.

Short interest

Short interest 3.7M shares (settlement Sep 30) vs 3.6M (Sep 15).

No new publication in this window. Latest: settlement Sep 30, published Oct 10.

Fails-to-deliver

Latest file (settlements Sep 15–Sep 30, published Oct 16): 9 days with fails, largest 94K shares on Sep 18.

Previous file (settlements Sep 1–Sep 14, published Sep 30): 5 days with fails, largest 5K shares on Sep 10.

No new publication in this window.

Insider filings (Form 4)

None recorded in this window.

ALMU short interest & days to cover

SHARES SHORT
3.7M
% OF FLOAT
25.3%
DAYS TO COVER
4.6
CHANGE VS PRIOR
+2.8%

FINRA consolidated short interest, reported twice a month and published ~2 weeks after each settlement date. % of float uses reported free float. · as of 2026-09-30 (22d ago)

ALMU fails-to-deliver (FTD)

Settlement dateFailed sharesPrice
2026-09-30 · 22d441$12.75
2026-09-28 · 24d10K$13.29
2026-09-24 · 28d1K$13.18

SEC fails-to-deliver files, published twice a month with ~6 weeks of delay.

ALMU insider buying and selling (Form 4)

Last 12 months, Form 4 codes P and S: 0 purchases · 4 sales

InsiderTypeSharesValueFiled
Klamkin Jonathan · director, officer: Chief Executive OfficerSale (S)100K$1.1M2026-10-14
Klamkin Jonathan · director, officer: Chief Executive OfficerSale (S)100K$1.3M2026-09-23
Denbaars Steven · directorSale (S)13K$173K2026-08-28
Denbaars Steven · directorSale (S)13K$173K2026-08-28

SEC Form 4 filings: purchases and sales reported on Form 4 (transaction codes P and S) only; grants and option exercises excluded. Attributed public records.

Frequently asked questions

What is ALMU's short interest?
As of the FINRA settlement date 2026-09-30, ALMU had 3.7M shares sold short — 25.3% of its float, with 4.6 days to cover at average volume. FINRA publishes this data roughly two weeks after each twice-monthly settlement, so it is inherently delayed. A short-interest figure describes an aggregate position; it does not predict what the stock will do.
Are insiders buying ALMU?
In the last 12 months of SEC Form 4 filings, ALMU recorded 0 insider purchases and 4 sales reported on Form 4 (transaction codes P and S; grants and option exercises excluded). These are attributed public records — information, not instruction.
Is this page telling me to buy or sell ALMU?
No. Everything on this page is descriptive, structural market context from public data, shown with its as-of dates. TradeAI News does not issue directional recommendations, price predictions, or buy/sell advice — for any ticker.
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ALMU: the full history

Latest rows shown. Full history, market-wide screens, cluster detection and the context journal live in the dashboard.

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Not financial advice. Trading involves risk. Descriptive structural context, never a recommendation.