Brian Grassadonia

CIK: 0001803649

Transaction Breakdown

Open Market Buys (P)0 (0.0%)

High conviction signal

Open Market Sales (S)32 (78.0%)

Position reduction

Option Exercises (M)0 (0.0%)

Derivative conversions

Awards (A)5 (12.2%)

Compensation grants

Other (G, F, J, C, D, …)4 (9.8%)

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

Companies & Roles (1)

XYZ

Block, Inc.

Officer

Discretionary Trading P&L

Holdings

Transaction History (41 total)

XYZ
Block, Inc.
Aug 24, 2026
Sale(S)
Direct
4.3K shares at avg. $82.90$360K
XYZ
Block, Inc.
Aug 24, 2026
Sale(S)
Direct
3.8K shares at avg. $81.88$314K
XYZ
Block, Inc.
Aug 20, 2026
Tax Payment(F)
Direct
9.6K shares at avg. $80.08$768K
XYZ
Block, Inc.
Aug 3, 2026
Sale(S)
Direct
400 shares at avg. $82.23$33K
XYZ
Block, Inc.
Aug 3, 2026
Sale(S)
Direct
25.5K shares at avg. $81.63$2.1M
XYZ
Block, Inc.
Jul 2, 2026
Sale(S)
Direct
43.3K shares at avg. $80.00$3.5M
XYZ
Block, Inc.
May 22, 2026
Sale(S)
Direct
5K shares at avg. $67.76$340K
XYZ
Block, Inc.
May 22, 2026
Sale(S)
Direct
3.1K shares at avg. $68.41$215K
XYZ
Block, Inc.
May 20, 2026
Tax Payment(F)
Direct
9.6K shares at avg. $70.89$681K
XYZ
Block, Inc.
May 15, 2026
Award(A)
Direct
438 shares at avg. $48.46$21K
XYZ
Block, Inc.
Apr 7, 2026
Award(A)
Direct
117.6K shares-
XYZ
Block, Inc.
Apr 6, 2026
Sale(S)
Direct
1.8K shares at avg. $60.25$107K
XYZ
Block, Inc.
Apr 1, 2026
Tax Payment(F)
Direct
1.3K shares at avg. $59.54$75K
XYZ
Block, Inc.
Feb 24, 2026
Sale(S)
Direct
10.3K shares at avg. $50.00$517K
XYZ
Block, Inc.
Feb 20, 2026
Tax Payment(F)
Direct
4.2K shares at avg. $53.22$223K
XYZ
Block, Inc.
Jan 6, 2026
Sale(S)
Direct
2K shares at avg. $68.52$136K
XYZ
Block, Inc.
Jan 2, 2026
Sale(S)
Direct
1K shares at avg. $63.98$66K
XYZ
Block, Inc.
Nov 24, 2025
Sale(S)
Direct
1.8K shares at avg. $62.41$114K
XYZ
Block, Inc.
Nov 24, 2025
Sale(S)
Direct
6.3K shares at avg. $61.83$387K
XYZ
Block, Inc.
Nov 21, 2025
Sale(S)
Direct
6.5K shares at avg. $61.40$397K
XYZ
Block, Inc.
Nov 14, 2025
Award(A)
Direct
1 shares at avg. $48.46$48.46
XYZ
Block, Inc.
Oct 8, 2025
Sale(S)
Direct
35.1K shares at avg. $80.00$2.8M
XYZ
Block, Inc.
Oct 3, 2025
Sale(S)
Direct
1.7K shares at avg. $76.69$129K
XYZ
Block, Inc.
Oct 2, 2025
Sale(S)
Direct
1.3K shares at avg. $74.77$100K
XYZ
Block, Inc.
Sep 2, 2025
Sale(S)
Direct
9.8K shares at avg. $76.24$744K

		Type	Shares	Price		Ownership
Aug 24, 2026	XYZ Block, Inc.	Sale(S)	4,343	$82.90	$360,035	Direct
Aug 24, 2026	XYZ Block, Inc.	Sale(S)	3,830	$81.88	$313,600	Direct
Aug 20, 2026	XYZ Block, Inc.	Tax Payment(F)	9,592	$80.08	$768,127	Direct
Aug 3, 2026	XYZ Block, Inc.	Sale(S)	400	$82.23	$32,892	Direct
Aug 3, 2026	XYZ Block, Inc.	Sale(S)	25,508	$81.63	$2,082,218	Direct
Jul 2, 2026	XYZ Block, Inc.	Sale(S)	43,348	$80.00	$3,467,840	Direct
May 22, 2026	XYZ Block, Inc.	Sale(S)	5,025	$67.76	$340,494	Direct
May 22, 2026	XYZ Block, Inc.	Sale(S)	3,141	$68.41	$214,876	Direct
May 20, 2026	XYZ Block, Inc.	Tax Payment(F)	9,602	$70.89	$680,686	Direct
May 15, 2026	XYZ Block, Inc.	Award(A)	438	$48.46	$21,225	Direct
Apr 7, 2026	XYZ Block, Inc.	Award(A)	117,569	-	$0	Direct
Apr 6, 2026	XYZ Block, Inc.	Sale(S)	1,769	$60.25	$106,582	Direct
Apr 1, 2026	XYZ Block, Inc.	Tax Payment(F)	1,252	$59.54	$74,544	Direct
Feb 24, 2026	XYZ Block, Inc.	Sale(S)	10,349	$50.00	$517,450	Direct
Feb 20, 2026	XYZ Block, Inc.	Tax Payment(F)	4,198	$53.22	$223,418	Direct
Jan 6, 2026	XYZ Block, Inc.	Sale(S)	1,983	$68.52	$135,875	Direct
Jan 2, 2026	XYZ Block, Inc.	Sale(S)	1,038	$63.98	$66,411	Direct
Nov 24, 2025	XYZ Block, Inc.	Sale(S)	1,822	$62.41	$113,711	Direct
Nov 24, 2025	XYZ Block, Inc.	Sale(S)	6,263	$61.83	$387,241	Direct
Nov 21, 2025	XYZ Block, Inc.	Sale(S)	6,460	$61.40	$396,644	Direct
Nov 14, 2025	XYZ Block, Inc.	Award(A)	1	$48.46	$48	Direct
Oct 8, 2025	XYZ Block, Inc.	Sale(S)	35,145	$80.00	$2,811,600	Direct
Oct 3, 2025	XYZ Block, Inc.	Sale(S)	1,679	$76.69	$128,763	Direct
Oct 2, 2025	XYZ Block, Inc.	Sale(S)	1,342	$74.77	$100,341	Direct
Sep 2, 2025	XYZ Block, Inc.	Sale(S)	9,760	$76.24	$744,102	Direct

1-25 of 41 transactions

About Grassadonia Brian

Grassadonia Brian (SEC CIK 0001803649) files insider reports with the SEC as Ecosystem Lead of Block, Inc. (XYZ).

Signal8 holds 23 ownership filings by Grassadonia Brian, all Form 4s, filed between Oct 4, 2024 and Aug 24, 2026. Those filings report 41 transactions, from Oct 2, 2024 to Aug 24, 2026. Signal8's Form 4 history starts in Sep 2024.

The business address on Grassadonia Brian's filings is in OAKLAND, CA.

Recent filings by Grassadonia Brian

Aug 24, 2026: Open-market sales of XYZ shares (2 lines, Form 4, code S).
Aug 20, 2026: Tax withholding of XYZ shares (Form 4, code F).
Aug 3, 2026: Open-market sales of XYZ shares (2 lines, Form 4, code S).
Jul 2, 2026: Open-market sale of XYZ shares (Form 4, code S).
May 22, 2026: Open-market sales of XYZ shares (2 lines, Form 4, code S).

Other insiders filing for Block, Inc. (XYZ)

Eisen Anthony Mathew, Director
Narula Neha, Director
Meeker Mary G, Director
Carter Shawn Corey, Director
Brooks Amy, Director
BOTHA ROELOF, Director

How to read Form 4 transaction codes