Stefan Constantin Ionel Insider Trading Activity

Average Profitability
<0.0001%
Insider Buys Quantity
0
Insider Buys Sum
$0
Insider Sells Quantity
7
Insider Sells Sum
$367,209.39

Insider Activity of Stefan Constantin Ionel

According to the SEC Form 4 filings, Stefan Constantin Ionel, being in a position of

  1. Chief Technology Officer at Amprius Technologies, Inc.,
    оver the last 12 months, has bought 0 shares, and sold 917743 shares for $10.69M,
    over all time since 2023-09-14, has bought 0 shares, and sold 1073102 shares for $11.24M.

Biography of Stefan Constantin Ionel

No biography is available at this moment.

Statistics of Insider Transactions Last Year

Amount of Insider Buys and Sells by Stocks

Buys
 $000
Sells
 $10,688,30810100

Comparison of Insiders on Amount of Buys and Sells

2026-08-21SaleAmprius Technologies, Inc.
AMPX
Chief Technology Officer
29,681
0.0207%
$10.34$306,931-8.41%
2026-05-27SaleAmprius Technologies, Inc.
AMPX
Chief Technology Officer
3,208
0.0023%
$17.19$55,157-41.03%
2026-05-21SaleAmprius Technologies, Inc.
AMPX
Chief Technology Officer
28,812
0.0197%
$14.79$426,083-33.66%
2026-02-23SaleAmprius Technologies, Inc.
AMPX
Chief Technology Officer
25,366
0.0194%
$10.16$257,604+17.75%
2026-01-28SaleAmprius Technologies, Inc.
AMPX
Chief Technology Officer
39,690
0.0315%
$12.00$476,351-0.83%
2026-01-23SaleAmprius Technologies, Inc.
AMPX
Chief Technology Officer
1,600
0.0013%
$12.00$19,200+6.22%
2026-01-22SaleAmprius Technologies, Inc.
AMPX
Chief Technology Officer
492,827
0.3806%
$12.04$5.93M-0.84%
2026-01-21SaleAmprius Technologies, Inc.
AMPX
Chief Technology Officer
73,280
0.0598%
$12.00$879,411+5.28%
2025-12-11SaleAmprius Technologies, Inc.
AMPX
Chief Technology Officer
198,255
0.1396%
$10.51$2.08M-1.18%
2025-11-21SaleAmprius Technologies, Inc.
AMPX
Chief Technology Officer
25,024
0.0191%
$10.08$252,274+11.97%
2025-08-21SaleAmprius Technologies, Inc.
AMPX
Chief Technology Officer
19,159
0.0154%
$6.82$130,592+75.85%
2025-05-21SaleAmprius Technologies, Inc.
AMPX
Chief Technology Officer
20,366
0.017%
$2.43$49,530+350.41%
2025-02-21SaleAmprius Technologies, Inc.
AMPX
Chief Technology Officer
9,066
0.0077%
$3.13$28,406+159.5%
2024-11-21SaleAmprius Technologies, Inc.
AMPX
Chief Technology Officer
8,575
0.0074%
$1.96$16,846+71.72%
2024-08-21SaleAmprius Technologies, Inc.
AMPX
Chief Technology Officer
8,800
0.004%
$1.04$9,152+131.48%
2024-05-22SaleAmprius Technologies, Inc.
AMPX
Chief Technology Officer
4,121
0.0025%
$1.36$5,588+22.26%
2024-05-21SaleAmprius Technologies, Inc.
AMPX
Chief Technology Officer
5,272
0.0031%
$1.33$6,999+33.46%
2023-09-15SaleAmprius Technologies, Inc.
AMPX
Chief Technology Officer
33,630
0.0577%
$3.89$130,727-31.14%
2023-09-14SaleAmprius Technologies, Inc.
AMPX
Chief Technology Officer
46,370
0.0748%
$3.66$169,492-25.68%
Total: 19
Company
About Prismo.proIdeasArticlesPrivacy PolicyTerms of ServiceContact Us
Screener Ideas
Dividend StocksBlue Chip StocksDefensive StocksGrowth StocksValue StocksCyclical StocksPenny Stocks
Stock Tools
Insiders ScreenerStocks ScreenerTop StocksStock NewsInsider RatioList of All Stocks
Prismo does not provide financial advice and does not issue recommendations or offers to buy stock or sell any security.
Information is provided 'as-is' and solely for informational purposes and is not advice. Prismo does not bear any responsibility for any losses or damage that may occur as a result of reliance on this data.