Alexander Karen (CIK 1870910) reported 12 SEC Form 4 insider transactions across 1 companies over the past 18 months (most recent 2026-05-19). Recent activity: Buy BKKT (335 shares), Sell BKKT (121 shares), Buy BKKT (335 shares), Sell BKKT (483 shares), Sell BKKT (671 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-05-19 | Bakkt, Inc. (BKKT) | Chief Financial Officer | Buy | 335 | $3,350 |
| 2025-11-18 | Bakkt Holdings, Inc. (BKKT) | Chief Financial Officer | Sell | 121 | $2,615 |
| 2025-11-14 | Bakkt Holdings, Inc. (BKKT) | Chief Financial Officer | Buy | 335 | $3,350 |
| 2025-08-29 | Bakkt Holdings, Inc. (BKKT) | Chief Financial Officer | Sell | 483 | $4,294 |
| 2025-07-16 | Bakkt Holdings, Inc. (BKKT) | Chief Financial Officer | Sell | 671 | $12,219 |
| 2025-04-30 | Bakkt Holdings, Inc. (BKKT) | Chief Financial Officer | Sell | 4,174 | $37,274 |
| 2025-04-15 | Bakkt Holdings, Inc. (BKKT) | Chief Financial Officer | Buy | 34,211 | $0 |
| 2025-02-21 | Bakkt Holdings, Inc. (BKKT) | Chief Financial Officer | Sell | 209 | $3,102 |
| 2025-02-21 | Bakkt Holdings, Inc. (BKKT) | Chief Financial Officer | Sell | 1,015 | $15,063 |
| 2025-02-18 | Bakkt Holdings, Inc. (BKKT) | Chief Financial Officer | Buy | 3,495 | $0 |
| 2025-02-14 | Bakkt Holdings, Inc. (BKKT) | Chief Financial Officer | Sell | 469 | $5,295 |
| 2025-02-07 | Bakkt Holdings, Inc. (BKKT) | Chief Financial Officer | Sell | 173 | $3,038 |
Source: SEC Form 4 filings · as of 2026-05-19