Matthew D. Kaufman

CIK: 0002044191

Transaction Breakdown

Open Market Buys (P)0 (0.0%)

High conviction signal

Open Market Sales (S)39 (92.9%)

Position reduction

Option Exercises (M)1 (2.4%)

Derivative conversions

Awards (A)2 (4.8%)

Compensation grants

Other (G, F, J, C, D, …)0 (0.0%)

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

Companies & Roles (1)

RBLX

Roblox Corp

Officer

Discretionary Trading P&L

Holdings

Transaction History (42 total)

RBLX
Roblox Corp
Aug 20, 2026
Sale(S)
Direct
11K shares at avg. $37.78$415K
RBLX
Roblox Corp
Aug 20, 2026
Sale(S)
Direct
3.9K shares at avg. $38.47$150K
RBLX
Roblox Corp
May 20, 2026
Sale(S)
Direct
1.4K shares at avg. $44.42$63K
RBLX
Roblox Corp
May 20, 2026
Sale(S)
Direct
190 shares at avg. $45.89$9K
RBLX
Roblox Corp
May 20, 2026
Sale(S)
Direct
12.8K shares at avg. $45.36$579K
RBLX
Roblox Corp
Apr 13, 2026
Sale(S)
Direct
100 shares at avg. $58.45$6K
RBLX
Roblox Corp
Apr 13, 2026
Sale(S)
Direct
13.2K shares at avg. $57.94$766K
RBLX
Roblox Corp
Mar 1, 2026
Award(A)
Direct
85.6K shares-
RBLX
Roblox Corp
Feb 20, 2026
Sale(S)
Direct
5.6K shares at avg. $60.94$341K
RBLX
Roblox Corp
Feb 20, 2026
Sale(S)
Direct
1.1K shares at avg. $62.73$66K
RBLX
Roblox Corp
Feb 20, 2026
Sale(S)
Direct
8.6K shares at avg. $61.88$531K
RBLX
Roblox Corp
Feb 10, 2026
Sale(S)
Direct
2.4K shares at avg. $73.15$176K
RBLX
Roblox Corp
Feb 10, 2026
Sale(S)
Direct
27.6K shares at avg. $72.61$2.0M
RBLX
Roblox Corp
Feb 9, 2026
Exercise(M)
Direct
97.5K shares-
RBLX
Roblox Corp
Nov 20, 2025
Sale(S)
Direct
6K shares at avg. $98.21$589K
RBLX
Roblox Corp
Nov 20, 2025
Sale(S)
Direct
3.2K shares at avg. $93.49$299K
RBLX
Roblox Corp
Nov 20, 2025
Sale(S)
Direct
2.5K shares at avg. $94.57$239K
RBLX
Roblox Corp
Nov 20, 2025
Sale(S)
Direct
4.9K shares at avg. $95.52$467K
RBLX
Roblox Corp
Nov 20, 2025
Sale(S)
Direct
3.6K shares at avg. $96.55$347K
RBLX
Roblox Corp
Nov 20, 2025
Sale(S)
Direct
660 shares at avg. $97.15$64K
RBLX
Roblox Corp
Nov 6, 2025
Sale(S)
Direct
6K shares at avg. $101.48$609K
RBLX
Roblox Corp
Nov 3, 2025
Sale(S)
Direct
6K shares at avg. $112.99$678K
RBLX
Roblox Corp
Oct 2, 2025
Sale(S)
Direct
6K shares at avg. $135.02$810K
RBLX
Roblox Corp
Sep 18, 2025
Sale(S)
Direct
6K shares at avg. $136.55$819K
RBLX
Roblox Corp
Sep 10, 2025
Award(A)
Direct
9.6K shares-

		Type	Shares	Price		Ownership
Aug 20, 2026	RBLX Roblox Corp	Sale(S)	10,994	$37.78	$415,362	Direct
Aug 20, 2026	RBLX Roblox Corp	Sale(S)	3,910	$38.47	$150,399	Direct
May 20, 2026	RBLX Roblox Corp	Sale(S)	1,410	$44.42	$62,638	Direct
May 20, 2026	RBLX Roblox Corp	Sale(S)	190	$45.89	$8,719	Direct
May 20, 2026	RBLX Roblox Corp	Sale(S)	12,756	$45.36	$578,598	Direct
Apr 13, 2026	RBLX Roblox Corp	Sale(S)	100	$58.45	$5,845	Direct
Apr 13, 2026	RBLX Roblox Corp	Sale(S)	13,225	$57.94	$766,257	Direct
Mar 1, 2026	RBLX Roblox Corp	Award(A)	85,609	-	$0	Direct
Feb 20, 2026	RBLX Roblox Corp	Sale(S)	5,588	$60.94	$340,533	Direct
Feb 20, 2026	RBLX Roblox Corp	Sale(S)	1,050	$62.73	$65,867	Direct
Feb 20, 2026	RBLX Roblox Corp	Sale(S)	8,589	$61.88	$531,487	Direct
Feb 10, 2026	RBLX Roblox Corp	Sale(S)	2,400	$73.15	$175,564	Direct
Feb 10, 2026	RBLX Roblox Corp	Sale(S)	27,634	$72.61	$2,006,541	Direct
Feb 9, 2026	RBLX Roblox Corp	Exercise(M)	97,522	-	$0	Direct
Nov 20, 2025	RBLX Roblox Corp	Sale(S)	6,000	$98.21	$589,260	Direct
Nov 20, 2025	RBLX Roblox Corp	Sale(S)	3,200	$93.49	$299,168	Direct
Nov 20, 2025	RBLX Roblox Corp	Sale(S)	2,526	$94.57	$238,884	Direct
Nov 20, 2025	RBLX Roblox Corp	Sale(S)	4,886	$95.52	$466,711	Direct
Nov 20, 2025	RBLX Roblox Corp	Sale(S)	3,595	$96.55	$347,097	Direct
Nov 20, 2025	RBLX Roblox Corp	Sale(S)	660	$97.15	$64,119	Direct
Nov 6, 2025	RBLX Roblox Corp	Sale(S)	6,000	$101.48	$608,880	Direct
Nov 3, 2025	RBLX Roblox Corp	Sale(S)	6,000	$112.99	$677,940	Direct
Oct 2, 2025	RBLX Roblox Corp	Sale(S)	6,000	$135.02	$810,120	Direct
Sep 18, 2025	RBLX Roblox Corp	Sale(S)	6,000	$136.55	$819,300	Direct
Sep 10, 2025	RBLX Roblox Corp	Award(A)	9,627	-	-	Direct

1-25 of 42 transactions

About Kaufman Matthew D

Kaufman Matthew D (SEC CIK 0002044191) files insider reports with the SEC as Chief Safety Officer of Roblox Corp (RBLX).

Signal8 holds 24 ownership filings by Kaufman Matthew D (1 Form 3, 23 Form 4), filed between Mar 26, 2025 and Aug 24, 2026. Those filings report 42 transactions, from Apr 3, 2025 to Aug 20, 2026. Signal8's Form 4 history starts in Sep 2024.

The business address on Kaufman Matthew D's filings is in SAN MATEO, CA.

Recent filings by Kaufman Matthew D

Aug 20, 2026: Open-market sales of RBLX shares (2 lines, Form 4, code S).
May 20, 2026: Open-market sales of RBLX shares (3 lines, Form 4, code S).
Apr 13, 2026: Open-market sales of RBLX shares (2 lines, Form 4, code S).
Mar 1, 2026: Grant or award of RBLX shares (Form 4, code A).
Feb 20, 2026: Open-market sales of RBLX shares (3 lines, Form 4, code S).

Other insiders filing for Roblox Corp (RBLX)

Rawlings Amy Marie, Chief Accounting Officer
Reinstra Mark, Chief Legal Off. & Corp. Sec.
Baszucki Gregory, Director
Wong Andrea L, Director
BUCKLEY SEAN JACK, Chief People & Systems Officer
CHOPRA NAVEEN K., Chief Financial Officer

How to read Form 4 transaction codes