InsidersTradesSigma
Total declarations
Companies
▲ Purchases (0 ops.)
▼ Sales (5 ops.)
Insider track record
ExecutiveDisclosed buys
0
Disclosed sells
5
Not enough buy signals with a settled T+90 horizon to measure a track record yet.
Signal history
Discover the complete record of transactions filed by Alexander Karen, Directrice Comptable. Insider active across 2 companies, notably Bakkt Holdings, Inc.. Cumulatively, 31 filings have been recorded. Breakdown: 0 buy · 5 sells. Total volume traded: €66k. Activity tracked since 21 December 2021. The latest transaction was disclosed on 15 July 2026 (Cession). Regulator: SEC (Form 4). The full history is free.
Companies and markets linked to Alexander Karen
Open company profiles for insider transactions, fundamentals and analyst consensus when available.
Declarations31 total
657 shares@ US$8.440.0016% mcap11.0% of flowClass A Common StockSEC:0001628280-26-048608:0
1,907 sharesClass A Common StockSEC:0001628280-26-046103:0
335 shares@ US$10.000.0008% mcap100.0% of flowClass A Common StockSEC:0001870910-26-000006:0
4,684 shares@ US$9.130.011% mcap92.7% of flowClass A Common StockSEC:0001870910-26-000004:0
121 shares@ US$21.611.5% of flowClass A Common StockSEC:0001870910-25-000013:0
335 shares@ US$10.001.7% of flowClass A Common StockSEC:0001870910-25-000012:0
483 shares@ US$8.892.2% of flowClass A Common StockSEC:0001870910-25-000008:0
671 shares@ US$18.216.4% of flowClass A Common StockSEC:0001870910-25-000007:0
4,174 shares@ US$8.9321.3% of flowClass A Common StockSEC:0001870910-25-000006:0
34,211 shares0Class A Common StockSEC:0001870910-25-000005:0
209 shares@ US$14.841.9% of flowClass A Common StockSEC:0001870910-25-000004:0
3,495 shares0Class A Common StockSEC:0001870910-25-000003:0
173 shares@ US$17.561.9% of flowClass A Common StockSEC:0001870910-25-000001:0
362 shares@ US$27.566.2% of flowClass A Common StockSEC:0001870910-24-000007:0
23,541 shares0Class A Common StockSEC:0001870910-24-000006:0
14,645 shares0Class A Common StockSEC:0001870910-24-000005:0
43,942 shares0Class A Common StockSEC:0001870910-24-000004:0
29,577 shares@ US$0.95517.0% of flowClass A Common StockSEC:0001870910-24-000003:0
5,025 shares@ US$1.424.3% of flowClass A Common StockSEC:0001870910-24-000002:0
8,923 shares@ US$1.849.6% of flowClass A Common StockSEC:0001870910-24-000001:0
11,897 shares@ US$1.319.4% of flowClass A Common StockSEC:0001870910-23-000008:0
9,012 shares@ US$1.317.1% of flowClass A Common StockSEC:0001870910-23-000008:1
24,999 shares0Class A Common StockSEC:0001870910-23-000007:0
50,000 shares0Class A Common StockSEC:0001870910-23-000006:1
140,992 shares0Class A Common StockSEC:0001870910-23-000006:0
25 of 31 declarations
About Alexander Karen
Alexander Karen is Directrice Comptable at Bakkt Holdings, Inc. and Bakkt, Inc. The record shows 31 filings in total, and across the sampled recent filings there were no purchases and 66495 EUR of sales between 2021-12-23 and 2026-07-17, with Retenue fiscale as the most common transaction nature.
