Follow the people · Insider
Mark Reinstra
Mark Reinstra files insider transactions with the SEC as a chief legal off. & corp. sec. of Roblox (RBLX). We hold 10 disclosed purchases and sales filed since 8 March 2021, 3 of them in the last 90 days.
- Files forRBLX
- Disclosed buys and sells10 in all, 3 in the last 90 days
- Last disclosure24 August 2026
Positions held
1 post we hold — a term names its own dates; a run of filings only says when they filed- Filed 5 March 2021 — 20 August 2026Chief Legal Off. & Corp. Sec. · Roblox (RBLX)202 Form 4 lines · source: SEC Form 4
Everything they disclosed
120 entries, newest first — one per disclosure report, one per Form 4 line- ▼ sold on the open market 13,020 shares of RobloxSEC Form 424 August 2026Class A Common Stock · traded 20 August 2026 · filed 24 August 2026
- ▼ sold on the open market 4,914 shares of RobloxSEC Form 424 August 2026Class A Common Stock · traded 20 August 2026 · filed 24 August 2026
- ▼ sold on the open market 6,250 shares of RobloxSEC Form 420 August 2026Class A Common Stock · traded 19 August 2026 · filed 20 August 2026
- ▼ sold on the open market 200 shares of RobloxSEC Form 47 July 2026Class A Common Stock · traded 6 July 2026 · filed 7 July 2026
- ▼ sold on the open market 3,212 shares of RobloxSEC Form 47 July 2026Class A Common Stock · traded 6 July 2026 · filed 7 July 2026
- ▼ sold on the open market 1,100 shares of RobloxSEC Form 47 July 2026Class A Common Stock · traded 6 July 2026 · filed 7 July 2026
- ▼ sold on the open market 5,978 shares of RobloxSEC Form 48 June 2026Class A Common Stock · traded 8 June 2026 · filed 8 June 2026
- ▼ sold on the open market 1,903 shares of RobloxSEC Form 422 May 2026Class A Common Stock · traded 20 May 2026 · filed 22 May 2026
- ▼ sold on the open market 15,372 shares of RobloxSEC Form 422 May 2026Class A Common Stock · traded 20 May 2026 · filed 22 May 2026
- ▼ sold on the open market 561 shares of RobloxSEC Form 422 May 2026Class A Common Stock · traded 21 May 2026 · filed 22 May 2026
- ▼ sold on the open market 4,899 shares of RobloxSEC Form 422 May 2026Class A Common Stock · traded 21 May 2026 · filed 22 May 2026
- ▼ sold on the open market 18,553 shares of RobloxSEC Form 415 April 2026Class A Common Stock · traded 13 April 2026 · filed 15 April 2026
- ▼ sold on the open market 100 shares of RobloxSEC Form 415 April 2026Class A Common Stock · traded 13 April 2026 · filed 15 April 2026
- was granted 96,790 shares of RobloxSEC Form 43 March 2026Class A Common Stock · traded 1 March 2026 · filed 3 March 2026
- was granted 104,236 shares of Roblox (a derivative holding)SEC Form 43 March 2026Performance Stock Unit · traded 1 March 2026 · filed 3 March 2026
- was granted 104,236 shares of Roblox (a derivative holding)SEC Form 43 March 2026Performance Stock Unit · traded 1 March 2026 · filed 3 March 2026
- was granted 96,790 shares of RobloxSEC Form 43 March 2026Class A Common Stock · traded 1 March 2026 · filed 3 March 2026
- ▼ sold on the open market 5,913 shares of RobloxSEC Form 424 February 2026Class A Common Stock · traded 20 February 2026 · filed 24 February 2026
- ▼ sold on the open market 10,203 shares of RobloxSEC Form 424 February 2026Class A Common Stock · traded 20 February 2026 · filed 24 February 2026
- ▼ sold on the open market 1,070 shares of RobloxSEC Form 424 February 2026Class A Common Stock · traded 20 February 2026 · filed 24 February 2026
- ▼ sold on the open market 5,913 shares of RobloxSEC Form 424 February 2026Class A Common Stock · traded 20 February 2026 · filed 24 February 2026
- ▼ sold on the open market 10,203 shares of RobloxSEC Form 424 February 2026Class A Common Stock · traded 20 February 2026 · filed 24 February 2026
- ▼ sold on the open market 1,070 shares of RobloxSEC Form 424 February 2026Class A Common Stock · traded 20 February 2026 · filed 24 February 2026
- ▼ sold on the open market 60,000 shares of RobloxSEC Form 419 February 2026Class A Common Stock · traded 13 February 2026 · filed 19 February 2026
- ▼ sold on the open market 60,000 shares of RobloxSEC Form 419 February 2026Class A Common Stock · traded 13 February 2026 · filed 19 February 2026
- exercised options over 118,110 shares of RobloxSEC Form 411 February 2026Class A Common Stock · traded 9 February 2026 · filed 11 February 2026
- ▼ sold on the open market 31,705 shares of RobloxSEC Form 411 February 2026Class A Common Stock · traded 10 February 2026 · filed 11 February 2026
- ▼ sold on the open market 2,615 shares of RobloxSEC Form 411 February 2026Class A Common Stock · traded 10 February 2026 · filed 11 February 2026
- exercised options over 118,110 shares of Roblox (a derivative holding)SEC Form 411 February 2026Performance Stock Unit · traded 9 February 2026 · filed 11 February 2026
- exercised options over 118,110 shares of Roblox (a derivative holding)SEC Form 411 February 2026Performance Stock Unit · traded 9 February 2026 · filed 11 February 2026
- exercised options over 118,110 shares of RobloxSEC Form 411 February 2026Class A Common Stock · traded 9 February 2026 · filed 11 February 2026
- ▼ sold on the open market 31,705 shares of RobloxSEC Form 411 February 2026Class A Common Stock · traded 10 February 2026 · filed 11 February 2026
- ▼ sold on the open market 2,615 shares of RobloxSEC Form 411 February 2026Class A Common Stock · traded 10 February 2026 · filed 11 February 2026
- ▼ sold on the open market 2,796 shares of RobloxSEC Form 424 November 2025Class A Common Stock · traded 20 November 2025 · filed 24 November 2025
- ▼ sold on the open market 2,901 shares of RobloxSEC Form 424 November 2025Class A Common Stock · traded 20 November 2025 · filed 24 November 2025
- ▼ sold on the open market 4,995 shares of RobloxSEC Form 424 November 2025Class A Common Stock · traded 20 November 2025 · filed 24 November 2025
- ▼ sold on the open market 3,960 shares of RobloxSEC Form 424 November 2025Class A Common Stock · traded 20 November 2025 · filed 24 November 2025
- ▼ sold on the open market 2,130 shares of RobloxSEC Form 424 November 2025Class A Common Stock · traded 20 November 2025 · filed 24 November 2025
- ▼ sold on the open market 2,401 shares of RobloxSEC Form 47 November 2025Class A Common Stock · traded 5 November 2025 · filed 7 November 2025
- was granted 16,046 shares of RobloxSEC Form 430 September 2025Class A Common Stock · traded 30 September 2025 · filed 30 September 2025
- ▼ sold on the open market 1,236 shares of RobloxSEC Form 422 August 2025Class A Common Stock · traded 20 August 2025 · filed 22 August 2025
- ▼ sold on the open market 4,868 shares of RobloxSEC Form 422 August 2025Class A Common Stock · traded 20 August 2025 · filed 22 August 2025
- ▼ sold on the open market 6,271 shares of RobloxSEC Form 422 August 2025Class A Common Stock · traded 20 August 2025 · filed 22 August 2025
- ▼ sold on the open market 3,445 shares of RobloxSEC Form 422 August 2025Class A Common Stock · traded 20 August 2025 · filed 22 August 2025
- gave away 2,500 shares of RobloxSEC Form 47 August 2025Class A Common Stock · traded 5 August 2025 · filed 7 August 2025
- exercised options over 150,000 shares of Roblox (a derivative holding)SEC Form 418 June 2025Stock Option (Right to Buy) · traded 16 June 2025 · filed 18 June 2025
- exercised options over 150,000 shares of RobloxSEC Form 418 June 2025Class A Common Stock · traded 16 June 2025 · filed 18 June 2025
- ▼ sold on the open market 150,000 shares of RobloxSEC Form 418 June 2025Class A Common Stock · traded 16 June 2025 · filed 18 June 2025
- exercised options over 50,000 shares of Roblox (a derivative holding)SEC Form 429 May 2025Stock Option (Right to Buy) · traded 27 May 2025 · filed 29 May 2025
- exercised options over 50,000 shares of RobloxSEC Form 429 May 2025Class A Common Stock · traded 27 May 2025 · filed 29 May 2025
- ▼ sold on the open market 50,000 shares of RobloxSEC Form 429 May 2025Class A Common Stock · traded 27 May 2025 · filed 29 May 2025
- ▼ sold on the open market 14,649 shares of RobloxSEC Form 422 May 2025Class A Common Stock · traded 20 May 2025 · filed 22 May 2025
- ▼ sold on the open market 1,203 shares of RobloxSEC Form 422 May 2025Class A Common Stock · traded 20 May 2025 · filed 22 May 2025
- was granted 87,912 shares of Roblox (a derivative holding)SEC Form 411 March 2025Performance Stock Unit · traded 7 March 2025 · filed 11 March 2025
- was granted 81,634 shares of RobloxSEC Form 411 March 2025Class A Common Stock · traded 7 March 2025 · filed 11 March 2025
- ▼ sold on the open market 16,432 shares of RobloxSEC Form 424 February 2025Class A Common Stock · traded 20 February 2025 · filed 24 February 2025
- exercised options over 77,570 shares of Roblox (a derivative holding)SEC Form 412 February 2025Performance Stock Unit · traded 10 February 2025 · filed 12 February 2025
- exercised options over 77,570 shares of RobloxSEC Form 412 February 2025Class A Common Stock · traded 10 February 2025 · filed 12 February 2025
- ▼ sold on the open market 19,525 shares of RobloxSEC Form 412 February 2025Class A Common Stock · traded 11 February 2025 · filed 12 February 2025
- exercised options over 24,000 shares of Roblox (a derivative holding)SEC Form 424 January 2025Stock Option (Right to Buy) · traded 22 January 2025 · filed 24 January 2025
- exercised options over 24,000 shares of RobloxSEC Form 424 January 2025Class A Common Stock · traded 22 January 2025 · filed 24 January 2025
- ▼ sold on the open market 23,400 shares of RobloxSEC Form 424 January 2025Class A Common Stock · traded 22 January 2025 · filed 24 January 2025
- ▼ sold on the open market 600 shares of RobloxSEC Form 424 January 2025Class A Common Stock · traded 22 January 2025 · filed 24 January 2025
- gave away 3,000 shares of RobloxSEC Form 421 January 2025Class A Common Stock · traded 13 November 2024 · filed 21 January 2025
- exercised options over 50,000 shares of Roblox (a derivative holding)SEC Form 421 January 2025Stock Option (Right to Buy) · traded 16 January 2025 · filed 21 January 2025
- exercised options over 50,000 shares of RobloxSEC Form 421 January 2025Class A Common Stock · traded 16 January 2025 · filed 21 January 2025
- ▼ sold on the open market 50,000 shares of RobloxSEC Form 421 January 2025Class A Common Stock · traded 16 January 2025 · filed 21 January 2025
- exercised options over 24,000 shares of Roblox (a derivative holding)SEC Form 426 December 2024Stock Option (Right to Buy) · traded 23 December 2024 · filed 26 December 2024
- exercised options over 24,000 shares of RobloxSEC Form 426 December 2024Class A Common Stock · traded 23 December 2024 · filed 26 December 2024
- ▼ sold on the open market 16,200 shares of RobloxSEC Form 426 December 2024Class A Common Stock · traded 23 December 2024 · filed 26 December 2024
- ▼ sold on the open market 7,800 shares of RobloxSEC Form 426 December 2024Class A Common Stock · traded 23 December 2024 · filed 26 December 2024
- exercised options over 5,000 shares of Roblox (a derivative holding)SEC Form 413 December 2024Stock Option (Right to Buy) · traded 11 December 2024 · filed 13 December 2024
- exercised options over 5,000 shares of RobloxSEC Form 413 December 2024Class A Common Stock · traded 11 December 2024 · filed 13 December 2024
- ▼ sold on the open market 5,000 shares of RobloxSEC Form 413 December 2024Class A Common Stock · traded 11 December 2024 · filed 13 December 2024
- exercised options over 7,000 shares of Roblox (a derivative holding)SEC Form 426 November 2024Stock Option (Right to Buy) · traded 25 November 2024 · filed 26 November 2024
- exercised options over 2,000 shares of Roblox (a derivative holding)SEC Form 426 November 2024Stock Option (Right to Buy) · traded 26 November 2024 · filed 26 November 2024
- exercised options over 7,000 shares of RobloxSEC Form 426 November 2024Class A Common Stock · traded 25 November 2024 · filed 26 November 2024
- ▼ sold on the open market 6,800 shares of RobloxSEC Form 426 November 2024Class A Common Stock · traded 25 November 2024 · filed 26 November 2024
- ▼ sold on the open market 200 shares of RobloxSEC Form 426 November 2024Class A Common Stock · traded 25 November 2024 · filed 26 November 2024
- exercised options over 2,000 shares of RobloxSEC Form 426 November 2024Class A Common Stock · traded 26 November 2024 · filed 26 November 2024
- ▼ sold on the open market 2,000 shares of RobloxSEC Form 426 November 2024Class A Common Stock · traded 26 November 2024 · filed 26 November 2024
- ▼ sold on the open market 13,701 shares of RobloxSEC Form 422 November 2024Class A Common Stock · traded 20 November 2024 · filed 22 November 2024
- ▼ sold on the open market 2,779 shares of RobloxSEC Form 422 November 2024Class A Common Stock · traded 20 November 2024 · filed 22 November 2024
- gave away 3,000 shares of RobloxSEC Form 415 November 2024Class A Common Stock · traded 13 November 2024 · filed 15 November 2024
- exercised options over 9,000 shares of Roblox (a derivative holding)SEC Form 46 November 2024Stock Option (Right to Buy) · traded 4 November 2024 · filed 6 November 2024
- exercised options over 9,000 shares of RobloxSEC Form 46 November 2024Class A Common Stock · traded 4 November 2024 · filed 6 November 2024
- ▼ sold on the open market 3,500 shares of RobloxSEC Form 46 November 2024Class A Common Stock · traded 4 November 2024 · filed 6 November 2024
- ▼ sold on the open market 1,400 shares of RobloxSEC Form 46 November 2024Class A Common Stock · traded 4 November 2024 · filed 6 November 2024
- ▼ sold on the open market 4,100 shares of RobloxSEC Form 46 November 2024Class A Common Stock · traded 4 November 2024 · filed 6 November 2024
- gave away 29,368 shares of RobloxSEC Form 46 November 2024Class A Common Stock · traded 6 November 2024 · filed 6 November 2024
- was granted 29,368 shares of RobloxSEC Form 46 November 2024Class A Common Stock · traded 6 November 2024 · filed 6 November 2024
- exercised options over 17,000 shares of Roblox (a derivative holding)SEC Form 424 September 2024Stock Option (Right to Buy) · traded 23 September 2024 · filed 24 September 2024
- exercised options over 17,000 shares of RobloxSEC Form 424 September 2024Class A Common Stock · traded 23 September 2024 · filed 24 September 2024
- ▼ sold on the open market 16,300 shares of RobloxSEC Form 424 September 2024Class A Common Stock · traded 23 September 2024 · filed 24 September 2024
- ▼ sold on the open market 700 shares of RobloxSEC Form 424 September 2024Class A Common Stock · traded 23 September 2024 · filed 24 September 2024
- ▼ sold on the open market 16,553 shares of RobloxSEC Form 422 August 2024Class A Common Stock · traded 20 August 2024 · filed 22 August 2024
- ▼ sold on the open market 26 shares of RobloxSEC Form 422 August 2024Class A Common Stock · traded 20 August 2024 · filed 22 August 2024
- exercised options over 12,000 shares of Roblox (a derivative holding)SEC Form 419 August 2024Stock Option (Right to Buy) · traded 15 August 2024 · filed 19 August 2024
- exercised options over 17,000 shares of Roblox (a derivative holding)SEC Form 419 August 2024Stock Option (Right to Buy) · traded 19 August 2024 · filed 19 August 2024
- exercised options over 12,000 shares of RobloxSEC Form 419 August 2024Class A Common Stock · traded 15 August 2024 · filed 19 August 2024
- ▼ sold on the open market 12,000 shares of RobloxSEC Form 419 August 2024Class A Common Stock · traded 15 August 2024 · filed 19 August 2024
- exercised options over 17,000 shares of RobloxSEC Form 419 August 2024Class A Common Stock · traded 19 August 2024 · filed 19 August 2024
- ▼ sold on the open market 16,837 shares of RobloxSEC Form 419 August 2024Class A Common Stock · traded 19 August 2024 · filed 19 August 2024
- ▼ sold on the open market 163 shares of RobloxSEC Form 419 August 2024Class A Common Stock · traded 19 August 2024 · filed 19 August 2024
- exercised options over 10,000 shares of Roblox (a derivative holding)SEC Form 415 August 2024Stock Option (Right to Buy) · traded 13 August 2024 · filed 15 August 2024
- exercised options over 10,000 shares of RobloxSEC Form 415 August 2024Class A Common Stock · traded 13 August 2024 · filed 15 August 2024
- ▼ sold on the open market 8,300 shares of RobloxSEC Form 415 August 2024Class A Common Stock · traded 13 August 2024 · filed 15 August 2024
- ▼ sold on the open market 1,700 shares of RobloxSEC Form 415 August 2024Class A Common Stock · traded 13 August 2024 · filed 15 August 2024
- exercised options over 4,000 shares of Roblox (a derivative holding)SEC Form 423 May 2024Stock Option (Right to Buy) · traded 22 May 2024 · filed 23 May 2024
- exercised options over 4,000 shares of RobloxSEC Form 423 May 2024Class A Common Stock · traded 22 May 2024 · filed 23 May 2024
- ▼ sold on the open market 4,000 shares of RobloxSEC Form 423 May 2024Class A Common Stock · traded 22 May 2024 · filed 23 May 2024
- ▼ sold on the open market 16,797 shares of RobloxSEC Form 422 May 2024Class A Common Stock · traded 21 May 2024 · filed 22 May 2024
- exercised options over 4,000 shares of Roblox (a derivative holding)SEC Form 418 April 2024Stock Option (Right to Buy) · traded 17 April 2024 · filed 18 April 2024
- exercised options over 4,000 shares of RobloxSEC Form 418 April 2024Class A Common Stock · traded 17 April 2024 · filed 18 April 2024
- ▼ sold on the open market 4,000 shares of RobloxSEC Form 418 April 2024Class A Common Stock · traded 17 April 2024 · filed 18 April 2024
- exercised options over 4,000 shares of Roblox (a derivative holding)SEC Form 421 March 2024Stock Option (Right to Buy) · traded 20 March 2024 · filed 21 March 2024
- exercised options over 4,000 shares of RobloxSEC Form 421 March 2024Class A Common Stock · traded 20 March 2024 · filed 21 March 2024
- ▼ sold on the open market 4,000 shares of RobloxSEC Form 421 March 2024Class A Common Stock · traded 20 March 2024 · filed 21 March 2024
- was granted 118,110 shares of Roblox (a derivative holding)SEC Form 45 March 2024Performance Stock Unit · traded 1 March 2024 · filed 5 March 2024
- was granted 109,674 shares of RobloxSEC Form 45 March 2024Class A Common Stock · traded 1 March 2024 · filed 5 March 2024
Positions come from the unitedstates/congress-legislators roster, the Office of Government Ethics and the SEC’s Form 4 index. Every disclosed line names its own source and links the document the government published; we print what the filing says and never a price we did not read from it. Headlines and links come from the GDELT Global Knowledge Graph — the story stays with the publisher. The portrait, where we have one, is the public-domain Congressional Bioguide photograph.