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ANTX — structural market context

AN2 Therapeutics, 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 $3.60 (Oct 21) vs $3.56 (Oct 20): +1.12%.

Volume

0.54× its 20-session average (326K) on Oct 21.

Includes pre- and post-market trading.

Short interest

Short interest 2.5M shares (settlement Sep 30) vs 2.4M (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): 2 days with fails, largest 9K shares on Sep 21.

Previous file (settlements Sep 1–Sep 14, published Sep 30): 1 day with fails, largest 3K shares on Sep 4.

No new publication in this window.

Insider filings (Form 4)

None recorded in this window.

ANTX short interest & days to cover

SHARES SHORT
2.5M
% OF FLOAT
11.2%
DAYS TO COVER
9.5
CHANGE VS PRIOR
+4.0%

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)

ANTX fails-to-deliver (FTD)

Settlement dateFailed sharesPrice
2026-09-22 · 30d3K$4.96
2026-09-21 · 31d9K$5.05
2026-09-04 · 48d3K$5.95

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

ANTX insider buying and selling (Form 4)

Last 12 months, Form 4 codes P and S: 1 purchase · 9 sales

InsiderTypeSharesValueFiled
Readnour Robin Shane · directorSale (S)585$4K2026-09-11
Readnour Robin Shane · directorSale (S)523$3K2026-09-11
Readnour Robin Shane · directorSale (S)5K$28K2026-09-08
Readnour Robin Shane · directorSale (S)3K$20K2026-09-08
Readnour Robin Shane · directorSale (S)5K$32K2026-09-08

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 ANTX's short interest?
As of the FINRA settlement date 2026-09-30, ANTX had 2.5M shares sold short — 11.2% of its float, with 9.5 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 ANTX?
In the last 12 months of SEC Form 4 filings, ANTX recorded 1 insider purchase and 9 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 ANTX?
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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ANTX: 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.