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ALAB — structural market context

Astera Labs, 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 $290.06 (Oct 21) vs $284.80 (Oct 20): +1.85%.

Volume

0.57× its 20-session average (3.9M) on Oct 21.

Includes pre- and post-market trading.

Short interest

Short interest 9.2M shares (settlement Sep 30) vs 8.7M (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): 7 days with fails, largest 12K shares on Sep 28.

Previous file (settlements Sep 1–Sep 14, published Sep 30): 3 days with fails, largest 22K shares on Sep 2.

No new publication in this window.

Analyst rating actions

None recorded in this window.

Insider filings (Form 4)

None recorded in this window.

ALAB short interest & days to cover

SHARES SHORT
9.2M
% OF FLOAT
6.4%
DAYS TO COVER
2.2
CHANGE VS PRIOR
+5.7%

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)

ALAB fails-to-deliver (FTD)

Settlement dateFailed sharesPrice
2026-09-30 · 22d3K$357.84
2026-09-29 · 23d4K$351.31
2026-09-28 · 24d12K$364.62

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

ALAB insider buying and selling (Form 4)

Last 12 months, Form 4 codes P and S: 0 purchases · 93 sales

InsiderTypeSharesValueFiled
Dyckerhoff Stefan A · directorSale (S)4K$1.3M2026-10-09
Dyckerhoff Stefan A · directorSale (S)661$249K2026-10-09
Dyckerhoff Stefan A · directorSale (S)8K$3.1M2026-10-09
ALBA MANUEL · directorSale (S)13K$3.6M2026-09-03
ALBA MANUEL · directorSale (S)6K$1.7M2026-09-03

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.

ALAB analyst ratings

FirmActionRatingPublished
CitigroupdowngradeMarket Perform (from Buy)2026-10-09
Northland Securitiesprice_target—2026-08-17

Rating actions as published by the firms, from public feeds. They are not graded here.

Frequently asked questions

What is ALAB's short interest?
As of the FINRA settlement date 2026-09-30, ALAB had 9.2M shares sold short — 6.4% of its float, with 2.2 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 ALAB?
In the last 12 months of SEC Form 4 filings, ALAB recorded 0 insider purchases and 93 sales reported on Form 4 (transaction codes P and S; grants and option exercises excluded). These are attributed public records — information, not instruction.
What do analysts say about ALAB?
The most recent action: Citigroup downgrade to Market Perform on 2026-10-09. Rating actions are shown as published by the firms; they are not graded here.
Is this page telling me to buy or sell ALAB?
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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ALAB: 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.