Equity · Industrials
AMPX
NYSEAmprius Technologies (AMPX)
Reddit mentioned AMPX 33 times in the 30 days to 22 October 2026, across 3 of the communities we track. All of them were scored for sentiment: 73% read bullish, 9% bearish and 18% neither. Reddit data updated 22 October 2026.
The line runs $9.23 on 24 July through $8.30 on 21 October, on a scale from $6 to $14. Days the market did not trade hold the previous close, flat.
as of Oct 21, 2026
Amprius Technologies (AMPX) · crowd attention × price
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Day21 Oct 2026
AMPX's busiest day for Reddit mentions sat one session from its highest close of the window — 6 mentions on 28 September, $9.77 on 25 September
Reddit stayed net bullish on AMPX every day of this window we could measure, while its close fell from $9.70 to $8.30
This chart in words
The chart plots daily Reddit mentions of AMPX over the 30 days to 22 October 2026: 33 in total, busiest on 28 September with 6, and 3 on the last day counted. Across this window the close ran between $7.59 on 20 October and $9.77 on 25 September. The line is the daily close over the same window: $9.73 on 23 September, $8.30 on 21 October. Of those days, 21 were trading sessions and the other 9 are hatched on the chart. On 8 of them no session took place, and the last close before it is carried forward rather than plotted; on 1 of them we hold no close at all, which is a gap in our own record rather than a closure we can prove. Sentiment — the bullish share of the mentions that took a side, where the chart's dashed rule marks the 50% at which bullish and bearish are even — ran from 75% bullish to 100% bullish over the 9 days that carried enough mentions to measure. 19 days either fell under the 5-mention floor or carried no bullish or bearish mention at all, and so carry no sentiment point.
The chart plots daily Reddit mentions of AMPX over the 90 days to 22 October 2026: 102 in total, busiest on 4 August with 9, and 3 on the last day counted. The line is the daily close over the same window: $9.70 on 27 July, $8.30 on 21 October. Of those days, 62 were trading sessions and the other 28 are hatched on the chart. On 25 of them no session took place, and the last close before it is carried forward rather than plotted; on 2 of them no session took place, and this window holds no earlier close to carry forward; on 1 of them we hold no close at all, which is a gap in our own record rather than a closure we can prove. Sentiment — the bullish share of the mentions that took a side, where the chart's dashed rule marks the 50% at which bullish and bearish are even — ran from 75% bullish to 100% bullish over the 32 days that carried enough mentions to measure. 55 days either fell under the 5-mention floor or carried no bullish or bearish mention at all, and so carry no sentiment point.
Amprius Technologies (AMPX) on Reddit · 30d
In the 30 days to 23 Oct 2026, Amprius Technologies drew 33 Reddit mentions in the finance subreddits we track, 33 of them scored for sentiment.
bullish
bullish
AMPX reads 19 points more bullish than overall market sentiment. Same measure; same 30-day window.
Where AMPX is discussed
(30d)Moves with AMPX
co-mention r · 31 obsTickers whose daily Reddit volume rose and fell with AMPX's. Co-discussion, not price.
How closely daily Reddit mention counts rose and fell together over the last 30 days (31 daily observations) · Method
Amprius Technologies (AMPX) insider trades
In the 90 days to 23 Oct 2026, Amprius Technologies insiders reported 4 open-market sales and no purchases (SEC Form 4); the filings we hold, back to 6 Oct 2025, show no open-market purchase.
Compensation mechanics Share grants, option exercises, tax withholding and transfers. They reach the same Form 4 as a trade, but they are not the insider buying or selling on the open market, so no purchase or sale value applies to them.
Amprius Technologies (AMPX) reported financials
SEC EDGARAmprius Technologies reported revenue of $71.9M for the fiscal year ended 31 Dec 2025. Net income over the same period was −$44.0M.
Amprius Technologies (AMPX) earnings
Amprius Technologies last reported earnings on 30 Jun 2026 for Q2 2026, with EPS of −$0.04; no next date is announced in SEC filings yet.
no date announced in SEC filings yet
Reported figures & scheduled dates · SEC EDGAR filings
Amprius Technologies (AMPX) institutional holders (13F)
SEC EDGAR9 of the 45 institutional funds we track reported a Amprius Technologies position for the quarter ended 30 Jun 2026 — a combined $159.0M; the latest of those filings landed 02 Sep 2026.
Amprius Technologies (AMPX) fails-to-deliver
SECOn 28 Sep 2026, 12,819 shares of Amprius Technologies failed to deliver (about $125K).
Amprius Technologies (AMPX): frequently asked questions
Have Amprius Technologies insiders bought or sold shares recently?
In the 90 days to 23 Oct 2026, Amprius Technologies insiders reported 4 open-market sales and no purchases (SEC Form 4); the filings we hold, back to 6 Oct 2025, show no open-market purchase. A further 2 filings were grants, awards, gifts or exercises rather than open-market trades.
How many institutions hold Amprius Technologies?
9 of the 45 institutional funds we track reported a Amprius Technologies position for the quarter ended 30 Jun 2026, per SEC Form 13F filings.
Has Amprius Technologies had fails-to-deliver recently?
Yes. The most recent SEC fails-to-deliver record for Amprius Technologies is dated 28 Sep 2026, when 12,819 shares failed to deliver.
When did Amprius Technologies last report earnings?
Amprius Technologies last reported earnings on 30 Jun 2026 for Q2 2026, with EPS of −$0.04; no next date is announced in SEC filings yet.
What exchange is Amprius Technologies listed on?
Amprius Technologies trades on NYSE under the ticker AMPX.
What is Reddit saying about Amprius Technologies?
Amprius Technologies was mentioned 10 times in the last 7 days across the finance subreddits we track, and 33 times over the trailing 30 days. Of 33 classified mentions, 73% read bullish, 9% bearish and 18% neutral. Crowd sentiment is a social signal, not investment advice.
Answers are generated from the live figures on this page — Reddit crowd data, SEC filings and open company records — and update as the data does.
Sources
- Finazonprior-day close, indicative (IEX-derived, not the official close), some closes dollar-rounded at the source
- TradingViewthe price chart widget, drawn by TradingView from their own data
- RedditReddit ingest across the tracked finance subreddits
- SEC EDGARSEC EDGAR XBRL company facts · latest period ended 30 Jun 2026
- SEC EDGARSEC EDGAR 13F filings
- SECSEC fails-to-deliver (CNS) data
- SEC EDGARValuation computed from SEC EDGAR filings