Alexander Karen — SEC Form 4 filings
SEC reporting owner CIK 1870910. 20 Form 4 filings on record with FilingPulse; latest filed 2026-07-17.
Transaction summary — filings shown
Covers all 20 filings on record, filed 2024-02-09 to 2026-07-17. Counts and totals are arithmetic on values as filed — descriptive data, not a recommendation.
- Open-market purchases (code P, non-derivative): none reported.
- Open-market sales (code S, non-derivative): 4 legs across 4 filings — 7,919 shares, $75,651 total (shares × price as filed).
- Other reported legs (grants, option exercises, tax withholding, gifts, derivative-security transactions, …): 25.
- Largest priced transaction: sale of 4,684 shares @ $9.13 ($42,765) in Bakkt, Inc., filed 2026-04-29.
By issuer — same filings
Open-market purchase/sale legs on non-derivative securities, grouped by issuer. Role is as filed on the newest filing for that issuer. Dollar totals cover priced legs only (shares × price as filed). Ordered by priced transaction value, largest first.
| Issuer | Role (as filed) | Filings | Purchases (P) | Sales (S) | Other legs |
|---|---|---|---|---|---|
| Bakkt, Inc. (BKKT) | Chief Financial Officer | 20 | — | 4 legs · 7,919 sh · $75,651 | 25 |
Form 4 filings — Alexander Karen
| Filed | Form | Issuer | Reported transactions | Source |
|---|---|---|---|---|
| 2026-07-17 | 4 | Bakkt, Inc. (BKKT) | Sale (S): 657 @ $8.44 | EDGAR |
| 2026-06-29 | 4 | Bakkt, Inc. (BKKT) | Sale (S): 1,907 @ $7.93 | EDGAR |
| 2026-05-19 | 4 | Bakkt, Inc. (BKKT) | Option exercise (M): 335 @ $10 · Option exercise (M): 335 (derivative) @ $0 | EDGAR |
| 2026-04-29 | 4 | Bakkt, Inc. (BKKT) | Sale (S): 4,684 @ $9.13 | EDGAR |
| 2025-11-18 | 4 | Bakkt Holdings, Inc. (BKKT) | Tax withholding (F): 121 @ $21.61 | EDGAR |
| 2025-11-14 | 4 | Bakkt Holdings, Inc. (BKKT) | Option exercise (M): 335 @ $10 · Option exercise (M): 335 (derivative) @ $0 | EDGAR |
| 2025-11-04 | 4 | Bakkt Holdings, Inc. (BKKT) | Grant/award (A): 26,846 (derivative) @ $0 | EDGAR |
| 2025-08-29 | 4 | Bakkt Holdings, Inc. (BKKT) | Tax withholding (F): 483 @ $8.89 | EDGAR |
| 2025-07-16 | 4 | Bakkt Holdings, Inc. (BKKT) | Sale (S): 671 @ $18.21 | EDGAR |
| 2025-04-30 | 4 | Bakkt Holdings, Inc. (BKKT) | Tax withholding (F): 4,174 @ $8.93 | EDGAR |
| 2025-04-15 | 4 | Bakkt Holdings, Inc. (BKKT) | Grant/award (A): 34,211 @ $0 | EDGAR |
| 2025-02-21 | 4 | Bakkt Holdings, Inc. (BKKT) | Tax withholding (F): 209 @ $14.84 · Tax withholding (F): 1,015 @ $14.84 | EDGAR |
| 2025-02-18 | 4 | Bakkt Holdings, Inc. (BKKT) | Grant/award (A): 3,495 @ $0 | EDGAR |
| 2025-02-07 | 4 | Bakkt Holdings, Inc. (BKKT) | Tax withholding (F): 173 @ $17.56 | EDGAR |
| 2024-12-26 | 4 | Bakkt Holdings, Inc. (BKKT) | Tax withholding (F): 362 @ $27.56 | EDGAR |
| 2024-06-03 | 4 | Bakkt Holdings, Inc. (BKKT) | Grant/award (A): 23,541 @ $0 | EDGAR |
| 2024-04-09 | 4/A | Bakkt Holdings, Inc. (BKKT) | Grant/award (A): 14,645 @ $0 · Grant/award (A): 29,297 @ $0 · Grant/award (A): 563,816 @ $0 · Grant/award (A): 10,166 @ $0 · Tax withholding (F): 5,194 @ $0.52 | EDGAR |
| 2024-03-20 | 4 | Bakkt Holdings, Inc. (BKKT) | Grant/award (A): 43,942 @ $0 · Grant/award (A): 563,816 @ $0 · Grant/award (A): 10,166 @ $0 | EDGAR |
| 2024-02-26 | 4 | Bakkt Holdings, Inc. (BKKT) | Tax withholding (F): 29,577 @ $0.95 | EDGAR |
| 2024-02-09 | 4 | Bakkt Holdings, Inc. (BKKT) | Tax withholding (F): 5,025 @ $1.42 | EDGAR |
FilingPulse's Form 4 archive currently extends back to 2024-01-11 and is expanding backward through EDGAR history — earlier filings by this insider may not be indexed yet. Names and roles are shown as filed.
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