Karen Alexander

CIK: 0001870910

Transaction Breakdown

Open Market Buys (P)0 (0.0%)

High conviction signal

Open Market Sales (S)4 (23.5%)

Position reduction

Option Exercises (M)2 (11.8%)

Derivative conversions

Awards (A)3 (17.6%)

Compensation grants

Other (G, F, J, C, D, …)8 (47.1%)

Gifts, tax withholding, conversions, dispositions to the issuer and other codes

Companies & Roles (1)

BKKT

Bakkt, Inc.

Officer

Discretionary Trading P&L

Holdings

Transaction History (17 total)

BKKT
Bakkt, Inc.
Jul 15, 2026
Sale(S)
Direct
657 shares at avg. $8.44$6K
BKKT
Bakkt, Inc.
Jun 25, 2026
Sale(S)
Direct
1.9K shares at avg. $7.93$15K
BKKT
Bakkt, Inc.
May 15, 2026
Exercise(M)
Direct
335 shares at avg. $10.00$3K
BKKT
Bakkt, Inc.
Apr 28, 2026
Sale(S)
Direct
4.7K shares at avg. $9.13$43K
BKKT
Bakkt Holdings, Inc.
Nov 14, 2025
Tax Payment(F)
Direct
121 shares at avg. $21.61$3K
BKKT
Bakkt Holdings, Inc.
Nov 12, 2025
Exercise(M)
Direct
335 shares at avg. $10.00$3K
BKKT
Bakkt Holdings, Inc.
Oct 31, 2025
Award(A)
Stock Option (right to buy)
Direct
26.8K shares-
BKKT
Bakkt Holdings, Inc.
Aug 28, 2025
Tax Payment(F)
Direct
483 shares at avg. $8.89$4K
BKKT
Bakkt Holdings, Inc.
Jul 15, 2025
Sale(S)
Direct
671 shares at avg. $18.21$12K
BKKT
Bakkt Holdings, Inc.
Apr 28, 2025
Tax Payment(F)
Direct
4.2K shares at avg. $8.93$37K
BKKT
Bakkt Holdings, Inc.
Apr 11, 2025
Award(A)
Direct
34.2K shares-
BKKT
Bakkt Holdings, Inc.
Feb 19, 2025
Tax Payment(F)
Direct
209 shares at avg. $14.84$3K
BKKT
Bakkt Holdings, Inc.
Feb 19, 2025
Tax Payment(F)
Direct
1K shares at avg. $14.84$15K
BKKT
Bakkt Holdings, Inc.
Feb 13, 2025
Award(A)
Direct
3.5K shares-
BKKT
Bakkt Holdings, Inc.
Feb 5, 2025
Tax Payment(F)
Direct
173 shares at avg. $17.56$3K
BKKT
Bakkt Holdings, Inc.
Dec 23, 2024
Tax Payment(F)
Direct
362 shares at avg. $27.56$10K
BKKT
Bakkt Holdings, Inc.
Aug 27, 2024
Tax Payment(F)
Direct
469 shares at avg. $11.29$5K

		Type	Shares	Price		Ownership
Jul 15, 2026	BKKT Bakkt, Inc.	Sale(S)	657	$8.44	$5,545	Direct
Jun 25, 2026	BKKT Bakkt, Inc.	Sale(S)	1,907	$7.93	$15,123	Direct
May 15, 2026	BKKT Bakkt, Inc.	Exercise(M)	335	$10.00	$3,350	Direct
Apr 28, 2026	BKKT Bakkt, Inc.	Sale(S)	4,684	$9.13	$42,765	Direct
Nov 14, 2025	BKKT Bakkt Holdings, Inc.	Tax Payment(F)	121	$21.61	$2,615	Direct
Nov 12, 2025	BKKT Bakkt Holdings, Inc.	Exercise(M)	335	$10.00	$3,350	Direct
Oct 31, 2025	BKKT Bakkt Holdings, Inc.	Award(A) Stock Option (right to buy)	26,846	-	-	Direct
Aug 28, 2025	BKKT Bakkt Holdings, Inc.	Tax Payment(F)	483	$8.89	$4,294	Direct
Jul 15, 2025	BKKT Bakkt Holdings, Inc.	Sale(S)	671	$18.21	$12,219	Direct
Apr 28, 2025	BKKT Bakkt Holdings, Inc.	Tax Payment(F)	4,174	$8.93	$37,274	Direct
Apr 11, 2025	BKKT Bakkt Holdings, Inc.	Award(A)	34,211	-	-	Direct
Feb 19, 2025	BKKT Bakkt Holdings, Inc.	Tax Payment(F)	209	$14.84	$3,102	Direct
Feb 19, 2025	BKKT Bakkt Holdings, Inc.	Tax Payment(F)	1,015	$14.84	$15,063	Direct
Feb 13, 2025	BKKT Bakkt Holdings, Inc.	Award(A)	3,495	-	-	Direct
Feb 5, 2025	BKKT Bakkt Holdings, Inc.	Tax Payment(F)	173	$17.56	$3,038	Direct
Dec 23, 2024	BKKT Bakkt Holdings, Inc.	Tax Payment(F)	362	$27.56	$9,977	Direct
Aug 27, 2024	BKKT Bakkt Holdings, Inc.	Tax Payment(F)	469	$11.29	$5,295	Direct

1-17 of 17 transactions

About Alexander Karen

Alexander Karen (SEC CIK 0001870910) files insider reports with the SEC as Chief Financial Officer of Bakkt, Inc. (BKKT).

Signal8 holds 16 ownership filings by Alexander Karen (15 Form 4, 1 Form 5), filed between Dec 26, 2024 and Jul 17, 2026. Those filings report 17 transactions, from Aug 27, 2024 to Jul 15, 2026. Signal8's Form 4 history starts in Sep 2024.

The business address on Alexander Karen's filings is in ATLANTA, GA.

Recent filings by Alexander Karen

Jul 15, 2026: Open-market sale of BKKT shares (Form 4, code S).
Jun 25, 2026: Open-market sale of BKKT shares (Form 4, code S).
May 15, 2026: Option exercise of BKKT shares (Form 4, code M).
Apr 28, 2026: Open-market sale of BKKT shares (Form 4, code S).
Nov 14, 2025: Tax withholding of BKKT shares (Form 4, code F).

Other insiders filing for Bakkt, Inc. (BKKT)

Naheta Akshay Sudhir, Chief Executive Officer
D'Annunzio Marc, General Counsel & Secretary
Baes Nicholas, Chief Operating Officer
Henderson Joseph Sean-Walsh, Chief Accounting Officer
White Matthew A, Chief Financial Officer
ALFRED MICHAEL, Director

How to read Form 4 transaction codes