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ATER — structural market context

Aterian, 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 $0.60 (Oct 21) vs $0.58 (Oct 20): +2.61%.

Volume

0.94× its 20-session average (130K) on Oct 21.

Includes pre- and post-market trading.

Short interest

Short interest 612K shares (settlement Sep 30) vs 826K (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): 5 days with fails, largest 6K shares on Sep 18.

Previous file (settlements Sep 1–Sep 14, published Sep 30): 5 days with fails, largest 336K shares on Sep 9.

No new publication in this window.

Insider filings (Form 4)

None recorded in this window.

ATER short interest & days to cover

SHARES SHORT
612K
% OF FLOAT
7.4%
DAYS TO COVER
3.5
CHANGE VS PRIOR
-25.9%

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)

ATER fails-to-deliver (FTD)

Settlement dateFailed sharesPrice
2026-09-25 · 27d5K$0.67
2026-09-23 · 29d2K$0.66
2026-09-18 · 34d6K$0.69

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

ATER insider buying and selling (Form 4)

Last 12 months, Form 4 codes P and S: 0 purchases · 0 sales · 1 filing not counted

InsiderTypeSharesValueFiled
Lazar David E. · director, officer, other: Chief Executive OfficerSale (S)1.8M—*2026-09-29
Lazar David E. · director, officer, other: Chief Executive OfficerSale (S)706K—*2026-09-29

*Value not shown: the filed price could not be checked against the U.S. listing.

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 ATER's short interest?
As of the FINRA settlement date 2026-09-30, ATER had 612K shares sold short — 7.4% of its float, with 3.5 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 ATER?
In the last 12 months of SEC Form 4 filings, ATER recorded 0 insider purchases and 0 sales reported on Form 4 (transaction codes P and S; grants and option exercises excluded). 1 filing not counted: the filed price could not be checked against the U.S. listing. These are attributed public records — information, not instruction.
Is this page telling me to buy or sell ATER?
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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ATER: 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.