Reinstra Mark Insider Trading Activity

Corporate InsiderChief Legal Off. & Corp. Sec. · CIK 1835037

Total trades

$32.4M

Total volume

May 21, 2026

Last activity

RBLX

Roblox Corp

Reinstra Mark has been net-selling over the last 12 months with 0 purchases and 23 sales across 1 company.

RBLX is the most-traded position with 23 trades. The largest single transaction was a sale of RBLX for $15.0M on Jun 16, 2025.

Performance Scorecard

Forward stock performance after each transaction by Reinstra Mark. Buy returns measure price movement after open-market purchases; sell-avoided measures the loss avoided after open-market sales. Success rate counts trades where the insider's direction was right.

PERIOD	AVG BUY RETURN	AVG SELL AVOIDED	SUCCESS RATE	TRADES
30 days	—	+5.3%	70%	20
90 days	—	+20.5%	89%	18
120 days	—	+21.8%	83%	12

Performance based on stock price movement after each transaction date. Past results do not predict future returns. Not financial advice.

Price & Trades

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RBLX · Roblox Corp

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Recent Trades

DATE	TICKER	TYPE	SHARES	PRICE	VALUE	ROLE
May 21, 2026	RBLX	Sell	561	$45.93	$26K	Chief Legal Off. & Corp. Sec.
May 21, 2026	RBLX	Sell	4,899	$46.46	$228K	Chief Legal Off. & Corp. Sec.
May 20, 2026	RBLX	Sell	1,903	$44.48	$85K	Chief Legal Off. & Corp. Sec.
May 20, 2026	RBLX	Sell	15,372	$45.38	$698K	Chief Legal Off. & Corp. Sec.
Apr 13, 2026	RBLX	Sell	18,553	$57.94	$1.1M	Chief Legal Off. & Corp. Sec.
Apr 13, 2026	RBLX	Sell	100	$58.47	$6K	Chief Legal Off. & Corp. Sec.
Feb 20, 2026	RBLX	Sell	5,913	$60.92	$360K	Chief Legal Off. & Corp. Sec.
Feb 20, 2026	RBLX	Sell	10,203	$61.89	$631K	Chief Legal Off. & Corp. Sec.
Feb 20, 2026	RBLX	Sell	1,070	$62.69	$67K	Chief Legal Off. & Corp. Sec.
Feb 13, 2026	RBLX	Sell	60,000	$63.94	$3.8M	Chief Legal Off. & Corp. Sec.
Feb 10, 2026	RBLX	Sell	31,705	$72.61	$2.3M	Chief Legal Off. & Corp. Sec.
Feb 10, 2026	RBLX	Sell	2,615	$73.14	$191K	Chief Legal Off. & Corp. Sec.
Nov 20, 2025	RBLX	Sell	2,796	$93.36	$261K	Chief Legal Off. & Corp. Sec.
Nov 20, 2025	RBLX	Sell	2,901	$94.30	$274K	Chief Legal Off. & Corp. Sec.
Nov 20, 2025	RBLX	Sell	4,995	$95.30	$476K	Chief Legal Off. & Corp. Sec.
Nov 20, 2025	RBLX	Sell	3,960	$96.21	$381K	Chief Legal Off. & Corp. Sec.
Nov 20, 2025	RBLX	Sell	2,130	$97.07	$207K	Chief Legal Off. & Corp. Sec.
Nov 5, 2025	RBLX	Sell	2,401	$104.60	$251K	Chief Legal Off. & Corp. Sec.
Aug 20, 2025	RBLX	Sell	1,236	$115.96	$143K	Chief Legal Off. & Corp. Sec.
Aug 20, 2025	RBLX	Sell	4,868	$117.05	$570K	Chief Legal Off. & Corp. Sec.
Aug 20, 2025	RBLX	Sell	6,271	$118.04	$740K	Chief Legal Off. & Corp. Sec.
Aug 20, 2025	RBLX	Sell	3,445	$118.69	$409K	Chief Legal Off. & Corp. Sec.
Jun 16, 2025	RBLX	Sell	150,000	$99.75	$15.0M	Chief Legal Off. & Corp. Sec.
May 27, 2025	RBLX	Sell	50,000	$84.64	$4.2M	Chief Legal Off. & Corp. Sec.