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Equity · Industrials

AMPX

NYSE

Amprius Technologies (AMPX)

7.92 USD −5.49% vs prior close Nov 13, 2026
Amprius Technologies, Inc. price graph
64 sessions
12 6 17 Aug 13 Nov

The line runs 11.57 USD on 17 August through 7.92 USD on 13 November, on a scale from 6 to 12. Days the market did not trade hold the previous close, flat.

Track this symbol on TradingView
Market cap
1.2B USD
Revenue, year to Dec 2025
71.9M USD
EPS, diluted, year to Dec 2025
−0.35 USD
52-week range
7.30 USD – 22.91 USD
Avg volume
392.9K
Mentions, 30 days
26
Net sentiment
+0.03

as of Nov 13, 2026

Have Amprius Technologies (AMPX) insiders bought or sold shares recently?

In the 90 days to 15 Nov 2026, Amprius Technologies insiders reported 4 open-market sales and no purchases (SEC Form 4); the filings we hold, back to 17 Nov 2025, show no open-market purchase.

Form 4, 90 days to 15 Nov 2026, newest reported trade 24 Aug 2026

0buys
4sells
$1.27Mnet sold
2other filings
Have Amprius Technologies (AMPX) insiders bought or sold shares recently?
ReportedInsiderTypeSharesValue
24 Aug 2026Stepien Thomas MChief Executive OfficerSell8,00080K USD
21 Aug 2026Sun KangDirectorSell62,101642K USD
21 Aug 2026Stefan Constantin IonelChief Technology OfficerSell29,681307K USD
21 Aug 2026Stepien Thomas MChief Executive OfficerSell23,529243K USD
Sold4 open-market sales123,311$1.27M
2 other filings in the window: grants, exercises, tax withholding and transfers, not trades
Have Amprius Technologies (AMPX) insiders bought or sold shares recently?
ReportedInsiderTypeSharesValue
25 Aug 2026Stepien Thomas MChief Executive OfficerGift15,346
25 Aug 2026Stepien Thomas MChief Executive OfficerAward346

Which funds hold Amprius Technologies (AMPX)?

2 of the 45 institutional funds we track reported a Amprius Technologies position for the quarter ended 30 Sep 2026 — a combined 4.0M USD; the latest of those filings landed 13 Nov 2026.

Form 13F

Which funds hold Amprius Technologies (AMPX)?
FundPositionSharesValueShares q/q
Renaissance TechnologiesTrimmed405,5253.9M USD−71.2%
Marshall WaceTrimmed12,200118K USD−90.7%

What has been filed or recorded for Amprius Technologies (AMPX)?

The filings we hold for Amprius Technologies, newest first: 3 fails-to-deliver days, 6 quarterly earnings reports, 2 annual reports and 5 reported financial figures, the latest dated 13 Oct 2026. No next earnings date is announced in SEC filings yet.

What has been filed or recorded for Amprius Technologies (AMPX)?
And
13 Oct 2026Fails to deliverShares failed to deliver70 shares621 USD notional · <0.001% of shares out
08 Oct 2026Fails to deliverShares failed to deliver95,520 shares891K USD notional · 0.065% of shares out
02 Oct 2026Fails to deliverShares failed to deliver17,124 shares165K USD notional · 0.012% of shares out
30 Sep 2026Quarterly earningsQ3 2026 reportedEPS −0.02 USDRevenue $39M
30 Sep 2026FinancialsTotal assets164.2M USDat period end
30 Sep 2026FinancialsTotal equity124.7M USDat period end
30 Jun 2026Quarterly earningsQ2 2026 reportedEPS −0.04 USDRevenue $34M
31 Mar 2026Quarterly earningsQ1 2026 reportedEPS −0.04 USDRevenue $29M
31 Dec 2025Annual reportFY 2025 reportedEPS −0.35 USDRevenue $73M
31 Dec 2025FinancialsRevenue71.9M USDfiscal year
31 Dec 2025FinancialsNet income−44.0M USDfiscal year
31 Dec 2025FinancialsDiluted EPS−0.35 USDfiscal year
30 Sep 2025Quarterly earningsQ3 2025 reportedEPS −0.03 USDRevenue $21M
30 Jun 2025Quarterly earningsQ2 2025 reportedEPS −0.05 USDRevenue $15M
31 Mar 2025Quarterly earningsQ1 2025 reportedEPS −0.08 USDRevenue $11M
31 Dec 2024Annual reportFY 2024 reportedEPS −0.45 USDRevenue $24M

What is Reddit saying about Amprius Technologies (AMPX)?

Reddit mentioned AMPX 26 times in the 30 days to 14 November 2026, across 3 of the communities we track. All of them were scored for sentiment: 62% read bullish, 12% bearish and 26% neither. Reddit data updated 14 November 2026.

30-day window, Method

26mentions, 30 days
62%bullish
12%bearish
3communities
+9pointsagainst the market

How do Reddit mentions of Amprius Technologies (AMPX) compare with its price?

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26 mentions

Which subreddits are talking about Amprius Technologies (AMPX)?

30 days

Which subreddits are talking about Amprius Technologies (AMPX)?
CommunityShareMentionsNet sentiment
r/wallstreetbets81%21+0.02
r/stocks12%3+0.11
r/investing8%2+0.04

Which names move with Amprius Technologies (AMPX) on Reddit?

6 names, 30 days

CMC moved most closely with Amprius Technologies (AMPX): when the crowd talked about one, it talked about the other (+0.69 over 31 days). Co-discussion, not price.

How closely AMPX's daily Reddit mentions moved with each name, 30 days
AMPX
+0.69+0.67+0.66+0.64+0.64+0.63
View the matrix as a tableHide the table
Names that move with AMPX on Reddit, 30 days
PairMatchDays measured
AMPX and CMC+0.6931 days
AMPX and BAC+0.6731 days
AMPX and AU+0.6631 days
AMPX and VRP+0.6431 days
AMPX and Skydance+0.6431 days
AMPX and CLF+0.6331 days

What do people ask about Amprius Technologies (AMPX)?

From live data
What did Amprius Technologies shares close at?7.92

Amprius Technologies closed at 7.92 USD on 13 Nov 2026, down 5.49% on the close before. That is the end-of-day price from Finazon, not a live quote.

What is Amprius Technologies’ market cap?1.2B

Amprius Technologies is worth 1.2B USD by market value as of 13 Nov 2026, which is the share price times the shares on issue from its SEC filings.

What is Amprius Technologies’ revenue?71.9M

Amprius Technologies reported revenue of 71.9M USD for the year ended 31 Dec 2025, as filed with the SEC. See Filings

Have Amprius Technologies insiders bought or sold shares recently?4 sales

In the 90 days to 15 Nov 2026, Amprius Technologies insiders reported 4 open-market sales and no purchases (SEC Form 4); the filings we hold, back to 17 Nov 2025, show no open-market purchase. A further 2 filings were grants, awards, gifts or exercises rather than open-market trades. See Insiders

Which funds own Amprius Technologies?2 of 45

2 of the 45 funds we track reported a Amprius Technologies position for the quarter ended 30 Sep 2026, per their SEC Form 13F filings. The largest reported positions were Renaissance Technologies and Marshall Wace. See Funds

When did Amprius Technologies last report earnings?−0.02

Amprius Technologies last reported earnings on 30 Sep 2026 for Q3 2026, with EPS of −0.02 USD; no next date is announced in SEC filings yet. See Filings

What is Reddit saying about Amprius Technologies?3 mentions

Amprius Technologies was mentioned 3 times in the last 7 days across the finance subreddits we track, and 26 times over the trailing 30 days. Of the 26 mentions scored for sentiment, 62% read bullish and 12% bearish. That is a social signal, not investment advice. See Reddit

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.

References
  1. Finazonprior-day close, indicative (IEX-derived, not the official close), some closes dollar-rounded at the source
  2. TradingViewthe price chart widget, drawn by TradingView from their own data
  3. RedditReddit ingest across the tracked finance subreddits
  4. SEC EDGARForm 4 filings (insider transactions)
  5. SEC EDGAR13F filings
  6. SECSEC fails-to-deliver (CNS) data
  7. SEC EDGARXBRL company facts, latest period ended 30 Sep 2026
  8. SEC EDGARreported earnings figures and scheduled report dates
  9. SEC EDGARValuation computed from SEC EDGAR filings