AMPX

Amprius Technologies, Inc.

NYSE · Miscellaneous Electrical Machinery, Equipment & Supplies · Inc. DE · CIK 0001899287
$18.83 -4.37% $2.7B
Insider Selling Cluster (4 insiders)High Impact Filing (7/10)3 New Institutional Positions
Vol
Market Cap$2.7B
Cap SizeMid Cap
Analyst ConsensusStrong Buy (93%)
Inst. Holders9 funds
Inst. Value$112.7M
Inst. Activity3 buys / 0 sells
Insider Activity0B / 16S
Insider Net $-$36.8M
Reddit Sentiment74° Bullish
SEC Reports7
Exchange NYSE·Sector Miscellaneous Electrical Machinery, Equipment & Supplies·Inc. DE·CIK 0001899287·Prev Close $19.69

Recent Activity

Jun 4, 2026 Insider
Stepien Thomas M sold 2,000 shares
Chief Executive Officer @ $20.97 ($41.9K)
Jun 4, 2026 Insider
Stepien Thomas M sold 30,384 shares
Chief Executive Officer @ $0.00 ($0.00)
May 28, 2026 SEC
Four Amprius insiders, including the CEO and CTO, sold a total of $2.28M in shares over a 7-day window. The CEO and a di
CLUSTER — Impact 5/10
May 28, 2026 SEC
Four Amprius insiders, including the CEO and CTO, sold a total of $2.65M in open-market sales over a 7-day window. The C
CLUSTER — Impact 5/10
May 27, 2026 Insider
Stefan Constantin Ionel sold 3,208 shares
Chief Technology Officer @ $17.19 ($55.2K)
May 26, 2026 SEC
Three Amprius insiders — the CEO, CTO, and a director — collectively sold $2.33M in open-market shares on May 21, 2026,
CLUSTER — Impact 5/10
Inst.
NORGES BANK — NEW
1,304,838 shares ($10.3M)
Inst.
WELLS FARGO & COMPANY/MN — DOUBLED
142,355 shares ($1.1M)

Price Targets

$22.13 +27.0% upside Strong Buy
Current $17.42 Low $18.00 Median $22.00 High $25.00 8 analysts
$18.00 $25.00

Analyst Ratings

Strong Buy93% buy · 15 analysts
4Strong Buy
10Buy
1Hold
0Sell
0Strong Sell
Recent Analyst Actions
DateFirmActionRating
Jun 3, 2026 Clear Street INITIATE Buy
Mar 10, 2026 Needham REITERATE Buy → Buy
Mar 9, 2026 B. Riley Securities MAINTAIN Buy → Buy
Mar 6, 2026 Craig-Hallum MAINTAIN Buy → Buy
Mar 6, 2026 Cantor Fitzgerald MAINTAIN Overweight → Overweight

Earnings Estimates

PeriodEPS Est.RangeGrowth#
Current Q $-0.02 ▼ -50.0% $-0.03 — $-0.01 60% YoY 6
Next Q $-0.01 ▼ -200.3% $-0.01 — $-0.01 67% YoY 5
Current FY $-0.06 ▲ +7.0% $-0.07 — $-0.06 64% YoY 5
Next FY $0.06 ▼ -43.9% $0.01 — $0.09 194% YoY 5

Top Institutional Holders

FundValueMove
VANGUARD GROUP INC$56.2MADD
MORGAN STANLEY$22.2MADD
TWO SIGMA INVESTMENTS, LP$11.3MDOUBLED
NORGES BANK$10.3MNEW
CHARLES SCHWAB INVESTMENT MANAGEMENT$8.2MADD

Recent Insider Trades

DateInsiderTypeValue
Jun 4, 2026Stepien ThomasSELL$41.9K
Jun 4, 2026Stepien ThomasG$0.00
May 27, 2026Stefan ConstantinSELL$55.2K
May 27, 2026Stepien ThomasSELL$75.2K
May 27, 2026Sun KangSELL$6.1K

Reddit Sentiment

74°
Bullish
Bearish Neutral Bullish
31 mentions 19 bullish 2 bearish
9 institutional holders with $112.7M total value (14,281,237 shares) as of 2025-Q4. Top holders: VANGUARD, MORGAN, TWO. Net buying activity: 3 institutions added/increased vs 0 reduced.

Top Institutional Holders — 2025-Q4

#FundSharesValue% of TrackedLast Move
1VANGUARD GROUP INC7,128,657$56.2M49.9%ADD +37.0%
2MORGAN STANLEY2,809,821$22.2M19.7%ADD +41.9%
3TWO SIGMA INVESTMENTS, LP1,436,939$11.3M10.1%DOUBLED +243.1%
4NORGES BANK1,304,838$10.3M9.1%NEW
5CHARLES SCHWAB INVESTMENT MANAGEMENT INC1,036,891$8.2M7.3%ADD +96.1%
6BANK OF AMERICA CORP /DE/299,926$2.4M2.1%DOUBLED +129.1%
7WELLS FARGO & COMPANY/MN142,355$1.1M1.0%DOUBLED +142.3%
8RENAISSANCE TECHNOLOGIES LLC112,825$890.2K0.8%DOUBLED +809.9%
9FMR LLC8,985$70.9K0.1%ADD +68.8%

Recent Position Changes

FundActionPrev SharesCurr SharesChange %ValueQuarter
NORGES BANKNEW1,304,838$10.3M2025-Q4
WELLS FARGO & COMPANY/MNDOUBLED58,760142,355+142.3%$1.1M2025-Q4
RENAISSANCE TECHNOLOGIES LLCDOUBLED12,400112,825+809.9%$890.2K2025-Q4
VANGUARD GROUP INCADD4,755,2256,512,620+37.0%$68.5M2025-Q3
MORGAN STANLEYADD1,933,6272,743,705+41.9%$28.9M2025-Q3
UBS Group AGDOUBLED731,5331,548,008+111.6%$16.3M2025-Q3
CHARLES SCHWAB INVESTMENT MANAGEMENT INCADD496,899974,485+96.1%$10.3M2025-Q3
BANK OF AMERICA CORP /DE/DOUBLED126,779290,441+129.1%$3.1M2025-Q3
RENAISSANCE TECHNOLOGIES LLCNEAR_EXIT1,346,60012,400-99.1%$130.4K2025-Q3
MORGAN STANLEYDOUBLED183,6381,933,627+953.0%$8.1M2025-Q2
TWO SIGMA INVESTMENTS, LPDOUBLED411,4781,411,608+243.1%$5.9M2025-Q2
RENAISSANCE TECHNOLOGIES LLCDOUBLED14,4001,346,600+9251.4%$5.7M2025-Q2
UBS Group AGTRIM1,110,121731,533-34.1%$3.1M2025-Q2
CHARLES SCHWAB INVESTMENT MANAGEMENT INCADD257,943496,899+92.6%$2.1M2025-Q2
BANK OF AMERICA CORP /DE/ADD84,154126,779+50.7%$533.7K2025-Q2
WELLS FARGO & COMPANY/MNDOUBLED11,34250,670+346.7%$213.3K2025-Q2
UBS Group AGDOUBLED177,0681,110,121+526.9%$3.0M2025-Q1
CHARLES SCHWAB INVESTMENT MANAGEMENT INCADD198,442257,943+30.0%$691.3K2025-Q1
MORGAN STANLEYADD141,045183,638+30.2%$492.2K2025-Q1
CITADEL ADVISORS LLCADD67,300113,007+67.9%$302.9K2025-Q1
RENAISSANCE TECHNOLOGIES LLCNEAR_EXIT765,10014,400-98.1%$38.6K2025-Q1
FMR LLCADD5,2568,873+68.8%$23.8K2025-Q1
RENAISSANCE TECHNOLOGIES LLCDOUBLED13,100765,100+5740.5%$2.1M2024-Q4
CHARLES SCHWAB INVESTMENT MANAGEMENT INCTRIM274,047198,442-27.6%$555.6K2024-Q4
UBS Group AGDOUBLED68,573177,068+158.2%$495.8K2024-Q4
7 unique insiders with 16 transactions. Net insider value: -$36.8M ($0.00 bought, $36.8M sold).

Insider Transactions

DateInsiderTitleTypeSharesPriceValue
Jun 4, 2026Stepien Thomas MChief Executive OfficerSELL2,000$20.97$41.9K
Jun 4, 2026Stepien Thomas MChief Executive OfficerG30,384$0.00$0.00
May 27, 2026Stefan Constantin IonelChief Technology OfficerSELL3,208$17.19$55.2K
May 27, 2026Stepien Thomas MChief Executive OfficerSELL4,375$17.19$75.2K
May 27, 2026Sun KangDirectorSELL356$17.19$6.1K
May 26, 2026DIXON DONALD RDirectorSELL17,895$17.90$320.3K
May 21, 2026Stepien Thomas MChief Executive OfficerSELL60,702$14.79$897.7K
May 21, 2026Stefan Constantin IonelChief Technology OfficerSELL28,812$14.79$426.1K
May 21, 2026Sun KangDirectorSELL67,796$14.79$1.0M
May 5, 2026Sun KangDirectorA6,250$0.00$0.00
Apr 1, 2026Sun KangDirectorSELL1,250,963$15.73$19.7M
Apr 1, 2026Sun KangDirectorM1,312,505$1.78$2.3M
Apr 1, 2026Sun KangDirectorM1,312,505$1.78$2.3M
Mar 23, 2026Sun KangDirectorSELL152,823$18.69$2.9M
Mar 12, 2026Chu StevenDirectorSELL100,000$18.65$1.9M
Mar 12, 2026HSIEH Wen HsuanDirectorM270,251$2.61$705.4K
Mar 12, 2026Chu StevenDirectorM86,143$2.61$224.8K
Mar 12, 2026Chu StevenDirectorM86,143$2.61$224.8K
Mar 12, 2026HSIEH Wen HsuanDirectorM270,251$2.61$705.4K
Mar 12, 2026HSIEH Wen HsuanDirectorSELL282,500$18.55$5.2M
Mar 10, 2026Chu StevenDirectorM104,132$0.6200$64.6K
Mar 10, 2026Chu StevenDirectorSELL166,632$17.92$3.0M
Mar 10, 2026Chu StevenDirectorM104,132$0.6200$64.6K
Mar 4, 2026Stefan Constantin IonelChief Technology OfficerA110,000$0.00$0.00
Mar 4, 2026RODRIGUEZ RICARDO C.Chief Financial OfficerA150,000$0.00$0.00
Mar 4, 2026RODRIGUEZ RICARDO C.Chief Financial OfficerA150,000$0.00$0.00
Mar 4, 2026Stepien Thomas MChief Executive OfficerA150,000$0.00$0.00
Feb 23, 2026Stefan Constantin IonelChief Technology OfficerSELL25,366$10.16$257.6K
Feb 23, 2026Sun KangDirectorSELL61,251$10.16$622.0K
Jan 28, 2026Stefan Constantin IonelChief Technology OfficerM90$0.00$0.00
Jan 28, 2026Stefan Constantin IonelChief Technology OfficerM90$0.6200$55.80
Jan 28, 2026Stefan Constantin IonelChief Technology OfficerSELL39,690$12.00$476.4K
Dec 19, 2025Stepien Thomas MChief Executive OfficerA200,000$0.00$0.00

No press releases analyzed yet. Press releases are collected from GlobeNewsWire and analyzed by the LLM pipeline.

Current analyst consensus: Strong Buy (93% buy). Based on 15 analysts: 4 strong buy, 10 buy, 1 hold, 0 sell, 0 strong sell.

Analyst Price Targets

$22.13 mean target +27.0% upside Strong Buy (1.11)
$18.00 Low $25.00 High
MetricValue
Current Price$17.42
Target Low$18.00
Target Mean$22.13
Target Median$22.00
Target High$25.00
# Analysts8
RecommendationStrong Buy (1.11)

Earnings Estimates & Revisions

PeriodEPS AvgEPS LowEPS HighEPS Growth30d Rev.Up/DownRev. AvgRev. GrowthAnalysts
Current Q
2026-06-30
$-0.02 $-0.03 $-0.01 60.0% -50.0% 1↑ 1↓ $0.0B 94.2% 6
Next Q
2026-09-30
$-0.01 $-0.01 $-0.01 66.7% -200.3% $0.0B 58.9% 5
Current FY
2026-12-31
$-0.06 $-0.07 $-0.06 63.5% +7.0% 1↑ 1↓ $0.1B 81.2% 5
Next FY
2027-12-31
$0.06 $0.01 $0.09 193.6% -43.9% 0↑ 1↓ $0.2B 56.6% 5

Current Quarter EPS Revision History

TimepointEPS EstimateChange
Current$-0.020
7d ago$-0.020
30d ago$-0.013-0.007
60d ago$-0.013-0.007
90d ago$-0.020
6 analyst firms have rated this stock: 0 upgrades, 0 downgrades, 3 initiations.

Individual Analyst Actions

DateAnalyst FirmActionPrevious RatingNew Rating
Jun 3, 2026 Clear Street INITIATE Buy
Mar 10, 2026 Needham REITERATE Buy Buy
Mar 9, 2026 B. Riley Securities MAINTAIN Buy Buy
Mar 6, 2026 Craig-Hallum MAINTAIN Buy Buy
Mar 6, 2026 Cantor Fitzgerald MAINTAIN Overweight Overweight
Mar 6, 2026 Roth Capital REITERATE Buy Buy
Feb 23, 2026 Craig-Hallum INITIATE Buy
Jan 29, 2026 Needham INITIATE Buy

Monthly Consensus History

PeriodStrong BuyBuyHoldSellStrong SellBuy %Distribution
Jun 1, 202641010093%
May 1, 202641010093%
Apr 1, 202641010093%
Mar 1, 20264910093%
Feb 1, 20264910093%
Jan 1, 20264810092%
Strong BuyBuyHoldSellStrong Sell

No congressional trading data available for this ticker. Data is sourced from Senate and House financial disclosure filings.

74°
Bullish
Bearish Neutral Bullish
31 mentions 19 bullish 2 bearish 30 time periods

Reddit Sentiment History

DateMentionsSentimentBullishBearishThreads
Jun 10, 2026150° Neutral001
Jun 10, 2026150° Neutral001
Jun 7, 2026150° Neutral001
Jun 6, 2026150° Neutral001
Jun 6, 2026150° Neutral001
May 27, 2026160° Warm101
May 27, 2026160° Warm101
May 27, 2026160° Warm101
May 21, 2026258° Warm102
May 21, 2026150° Neutral001
May 18, 2026160° Warm101
May 18, 2026160° Warm101
May 14, 2026160° Warm101
May 14, 2026160° Warm101
May 7, 2026160° Warm101
May 7, 2026160° Warm101
May 7, 2026160° Warm101
May 7, 2026160° Warm101
May 6, 2026150° Neutral001
May 6, 2026160° Warm101
May 6, 2026160° Warm101
Apr 27, 2026160° Warm101
Apr 27, 2026160° Warm101
Apr 19, 2026150° Neutral001
Apr 19, 2026150° Neutral001
Apr 15, 2026160° Warm101
Apr 9, 2026160° Warm101
Apr 9, 2026160° Warm101
Mar 15, 2026140° Cool011
Mar 15, 2026140° Cool011

Recent Reddit Threads

r/wallstreetbets Neutral 2h 21m ago
the song of AMPX through all the noise
▲ 1 💬 0 ⚡ 0.5
r/wallstreetbets Neutral 2d 7h ago
AMPX Drone Company DD
▲ 1 💬 0 ⚡ 0.5
r/stocks Neutral 3d 16h ago
AMPX Drone Company DD
▲ 1 💬 1 ⚡ 0.5
r/wallstreetbets Neutral 3d 16h ago
AMPX
▲ 1 💬 0 ⚡ 0.5
r/stocks Bullish 14d 2h ago
AMPX Update--Been a crazy week, let me explain
▲ 1 💬 0 ⚡ 0.5
r/stocks Bullish 14d 3h ago
AMPX Update--Been a crazy week, let me exlpain
▲ 1 💬 0 ⚡ 0.5
r/wallstreetbets Bullish 16d 13h ago
Amprius Technologies (AMPX) - At Very Important Support Levels ($15 - $16)
▲ 1 💬 0 ⚡ 0.5
r/options Bullish 19d 8h ago
Ways to enter a new stock? AMPX in my case
▲ 1 💬 0 ⚡ 0.5
r/options Neutral 19d 8h ago
Thinking about entering AMPX here, thoughts?
▲ 1 💬 1 ⚡ 0.5
r/stocks Bullish 22d 23h ago
First post here-been holding AMPX for 2 years and wanted to share my thoughts
▲ 1 💬 0 ⚡ 0.5
r/wallstreetbets Bullish 26d 9h ago
Bought the 2026 Recs
▲ 1 💬 1 ⚡ 0.5
r/investing Bullish 1mo ago
What is the next Sandisk?
▲ 1 💬 0 ⚡ 0.5
r/stocks Bullish 1mo ago
What is the next Sandisk?
▲ 1 💬 0 ⚡ 0.5
r/stocks Neutral 1mo ago
Anyone watching AMPX today?
▲ 1 💬 1 ⚡ 0.5
r/pennystocks Bullish 1mo ago
$CVV Same as $POET and $TRT, Involved in Semis, Space and Ai.
▲ 1 💬 1 ⚡ 0.5
r/pennystocks Neutral 1mo ago
Penny stocks portfolio
▲ 1 💬 1 ⚡ 0.5
r/investing Bullish 1mo ago
Tips for researching startups?
▲ 1 💬 0 ⚡ 0.5
r/stocks Bullish 2mo ago
OUST on your radar?
▲ 1 💬 0 ⚡ 0.5
May 15, 2026
short_volume
Short Volume: AMPX — 67.0% short (1.6M / 2.4M)
Short: 1,635,199 | Exempt: 65,273 | TRF Vol: 2,439,474 | Short Ratio: 67.0% | Off-exchange volume (dark pool + OTC)
May 12, 2026
short_interest
FTD: AMPX — 39,844 shares ($0.7M) failed to deliver
Settlement: 20260512, Price: $17.68, FTD Value: $704,441.92, AMPRIUS TECHNOLOGIES INC COM
May 7, 2026
earnings_calendar
AMPX Q1 2026 Earnings After Market Close — 2026-05-07
May 6, 2026
short_volume
Short Volume: AMPX — 56.7% short (1.5M / 2.7M)
Short: 1,546,138 | Exempt: 3,003 | TRF Vol: 2,728,000 | Short Ratio: 56.7% | Off-exchange volume (dark pool + OTC)
Apr 24, 2026
short_interest
FTD: AMPX — 25,316 shares ($0.6M) failed to deliver
Settlement: 20260424, Price: $21.73, FTD Value: $550,116.68, AMPRIUS TECHNOLOGIES INC COM
Apr 20, 2026
short_interest
FTD: AMPX — 207,645 shares ($3.9M) failed to deliver
Settlement: 20260420, Price: $18.67, FTD Value: $3,876,732.15, AMPRIUS TECHNOLOGIES INC COM
Apr 17, 2026
short_interest
FTD: AMPX — 188,067 shares ($3.6M) failed to deliver
Settlement: 20260417, Price: $19.13, FTD Value: $3,597,721.71, AMPRIUS TECHNOLOGIES INC COM
Apr 17, 2026
short_volume
Short Volume: AMPX — 55.2% short (1.3M / 2.4M)
Short: 1,317,882 | Exempt: 5,057 | TRF Vol: 2,386,592 | Short Ratio: 55.2% | Off-exchange volume (dark pool + OTC)
Apr 14, 2026
short_volume
Short Volume: AMPX — 56.7% short (2.0M / 3.6M)
Short: 2,024,485 | Exempt: 57,126 | TRF Vol: 3,572,631 | Short Ratio: 56.7% | Off-exchange volume (dark pool + OTC)
Apr 13, 2026
short_volume
Short Volume: AMPX — 59.3% short (2.6M / 4.4M)
Short: 2,604,511 | Exempt: 26,742 | TRF Vol: 4,391,972 | Short Ratio: 59.3% | Off-exchange volume (dark pool + OTC)
Apr 10, 2026
short_volume
Short Volume: AMPX — 56.6% short (1.5M / 2.6M)
Short: 1,469,450 | Exempt: 2,275 | TRF Vol: 2,594,133 | Short Ratio: 56.6% | Off-exchange volume (dark pool + OTC)
Apr 2, 2026
short_interest
FTD: AMPX — 1,179,933 shares ($18.3M) failed to deliver
Settlement: 20260402, Price: $15.52, FTD Value: $18,312,560.16, AMPRIUS TECHNOLOGIES INC COM
Mar 13, 2026
short_interest
FTD: AMPX — 390,846 shares ($7.1M) failed to deliver
Settlement: 20260313, Price: $18.29, FTD Value: $7,148,573.34, AMPRIUS TECHNOLOGIES INC COM
Mar 12, 2026
short_interest
FTD: AMPX — 71,902 shares ($1.3M) failed to deliver
Settlement: 20260312, Price: $18.59, FTD Value: $1,336,658.18, AMPRIUS TECHNOLOGIES INC COM
Mar 9, 2026
short_interest
FTD: AMPX — 148,746 shares ($2.4M) failed to deliver
Settlement: 20260309, Price: $16.33, FTD Value: $2,429,022.18, AMPRIUS TECHNOLOGIES INC COM