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Mark Reinstra Insider Trading Activity

Every SEC Form 4 transaction reported by Mark Reinstra, sourced directly from SEC EDGAR and updated as new filings are accepted.

By · SEC Form 4 & insider trading data analysts
Last updated:

Quick Answer

Is Mark Reinstra buying or selling?

Mark Reinstra reported 0 open-market buys ($0) and 50 sells ($82.8M) across 50 Form 4 filings at 1 company — a net selling position of $82.8M.

Source: SEC EDGAR Form 4

Key Statistics (as of Jul 7, 2026)

Total Form 4 filings
50
SEC EDGAR
Companies
1
Buys (0)
$0
Sells (50)
$82.8M

Insider sentiment

Net selling

Net insider flow of $82.8M in net selling, filed between Mar 13, 2021 – Jul 7, 2026.

Companies Mark Reinstra files for

#CompanyForm 4 filings
1RBLXRoblox Corp50

Recent Mark Reinstra transactions

DateTickerRoleTypeSharesValue
Jul 7, 2026RBLXChief Legal Off. & Corp. Sec.Sale4.5K$258.7K
Jun 8, 2026RBLXChief Legal Off. & Corp. Sec.Sale6.0K$249.3K
May 22, 2026RBLXChief Legal Off. & Corp. Sec.Sale22.7K$1.0M
Apr 15, 2026RBLXChief Legal Off. & Corp. Sec.Sale18.7K$1.1M
Feb 24, 2026RBLXChief Legal Off. & Corp. Sec.Sale17.2K$1.1M
Feb 19, 2026RBLXChief Legal Off. & Corp. Sec.Sale60.0K$3.8M
Feb 11, 2026RBLXChief Legal Off. & Corp. Sec.Sale34.3K$2.5M
Nov 25, 2025RBLXChief Legal Off. & Corp. Sec.Sale16.8K$1.6M
Nov 7, 2025RBLXChief Legal Off. & Corp. Sec.Sale2.4K$251.1K
Aug 22, 2025RBLXChief Legal Off. & Corp. Sec.Sale15.8K$1.9M
Jun 18, 2025RBLXChief Legal Off. & Corp. Sec.Sale150.0K$15.0M
May 29, 2025RBLXChief Legal Off. & Corp. Sec.Sale50.0K$4.2M
May 22, 2025RBLXChief Legal Off. & Corp. Sec.Sale15.9K$1.3M
Feb 24, 2025RBLXChief Legal Off. & Corp. Sec.Sale16.4K$1.0M
Feb 13, 2025RBLXChief Legal Off. & Corp. Sec.Sale19.5K$1.3M
Jan 24, 2025RBLXChief Legal Off. & Corp. Sec.Sale24.0K$1.6M
Jan 21, 2025RBLXChief Legal Off. & Corp. Sec.Sale50.0K$3.2M
Dec 27, 2024RBLXChief Legal Off. & Corp. Sec.Sale24.0K$1.4M
Dec 13, 2024RBLXChief Legal Off. & Corp. Sec.Sale5.0K$300.0K
Nov 26, 2024RBLXGen. Counsel & SecretarySale9.0K$438.7K
Nov 22, 2024RBLXGen. Counsel & SecretarySale16.5K$847.6K
Nov 6, 2024RBLXGen. Counsel & SecretarySale9.0K$465.1K
Sep 24, 2024RBLXGen. Counsel & SecretarySale17.0K$774.8K
Aug 22, 2024RBLXGen. Counsel & SecretarySale16.6K$669.0K
Aug 19, 2024RBLXGen. Counsel & SecretarySale29.0K$1.2M

Showing the 25 most recent filings of 50. Screen every filing.

Mark Reinstra insider trading FAQ

Is Mark Reinstra buying or selling?

Across 50 SEC Form 4 filings, Mark Reinstra reported 0 open-market purchases totaling $0 and 50 sales totaling $82.8M — a net selling position of $82.8M.

Which companies does Mark Reinstra file Form 4s for?

Mark Reinstra has reported insider transactions at 1 company, most often Roblox Corp (RBLX).

How far back does Mark Reinstra's filing history go?

Trabud holds Mark Reinstra's SEC Form 4 filings from Mar 13, 2021 – Jul 7, 2026, sourced directly from SEC EDGAR.

Where does Trabud get Mark Reinstra's insider trading data?

Directly from SEC EDGAR Form 4 filings. Every transaction on this page is a real filing accepted by the SEC, updated as new filings arrive.

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