SEC Insider Transactions from Reinstra Mark.

Last updated: 2026-03-16 13:00 UTC | Total transactions: 104

Mark Reinstra, Chief Legal Officer and Corporate Secretary of Roblox Corp ($RBLX), sold shares on the open market twenty times over the last year, totaling $31.6 million. His most recent sale occurred on February 20, 2026. These sales rank 468th among 11,678 individual insiders, outperforming the average of $8.6 million per seller and 6.4 transactions. Reinstra made no open market purchases in this period.

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Transaction Date Company Ticker Insider Name Title Transaction Type Security Shares Price Shares Owned Following Total Shares Outstanding % of Owned % of Outstanding
March 1, 2026 Roblox Corp $RBLX Reinstra Mark Chief Legal Off. & Corp. Sec. A Performance Stock Unit 104236 $0.00 104,236.0000 708,359,000 9999.99% 0.01%
March 1, 2026 Roblox Corp $RBLX Reinstra Mark Chief Legal Off. & Corp. Sec. A Class A Common Stock 96790 $0.00 627,704.0000 708,359,000 18.23% 0.01%
Feb. 20, 2026 Roblox Corp $RBLX Reinstra Mark Chief Legal Off. & Corp. Sec. S Class A Common Stock 1070 $62.69 530,714.0000 708,359,000 0.20% 0.00%
Feb. 20, 2026 Roblox Corp $RBLX Reinstra Mark Chief Legal Off. & Corp. Sec. S Class A Common Stock 10203 $61.89 531,784.0000 708,359,000 1.88% 0.00%
Feb. 20, 2026 Roblox Corp $RBLX Reinstra Mark Chief Legal Off. & Corp. Sec. S Class A Common Stock 5913 $60.92 541,987.0000 708,359,000 1.08% 0.00%
Feb. 13, 2026 Roblox Corp $RBLX Reinstra Mark Chief Legal Off. & Corp. Sec. S Class A Common Stock 60000 $63.94 547,900.0000 708,359,000 9.87% 0.01%
Feb. 10, 2026 Roblox Corp $RBLX Reinstra Mark Chief Legal Off. & Corp. Sec. S Class A Common Stock 2615 $73.14 607,900.0000 708,359,000 0.43% 0.00%
Feb. 9, 2026 Roblox Corp $RBLX Reinstra Mark Chief Legal Off. & Corp. Sec. M Performance Stock Unit 118110 $0.00 0.0000 708,359,000 100.00% 0.02%
Feb. 9, 2026 Roblox Corp $RBLX Reinstra Mark Chief Legal Off. & Corp. Sec. M Class A Common Stock 118110 $0.00 642,220.0000 708,359,000 22.54% 0.02%
Feb. 10, 2026 Roblox Corp $RBLX Reinstra Mark Chief Legal Off. & Corp. Sec. S Class A Common Stock 31705 $72.61 610,515.0000 708,359,000 4.94% 0.00%
Nov. 20, 2025 Roblox Corp $RBLX Reinstra Mark Chief Legal Off. & Corp. Sec. S Class A Common Stock 2901 $94.30 535,195.0000 701,867,000 0.54% 0.00%
Nov. 20, 2025 Roblox Corp $RBLX Reinstra Mark Chief Legal Off. & Corp. Sec. S Class A Common Stock 4995 $95.30 530,200.0000 701,867,000 0.93% 0.00%
Nov. 20, 2025 Roblox Corp $RBLX Reinstra Mark Chief Legal Off. & Corp. Sec. S Class A Common Stock 2130 $97.07 524,110.0000 701,867,000 0.40% 0.00%
Nov. 20, 2025 Roblox Corp $RBLX Reinstra Mark Chief Legal Off. & Corp. Sec. S Class A Common Stock 3960 $96.21 526,240.0000 701,867,000 0.75% 0.00%
Nov. 20, 2025 Roblox Corp $RBLX Reinstra Mark Chief Legal Off. & Corp. Sec. S Class A Common Stock 2796 $93.36 538,096.0000 701,867,000 0.52% 0.00%
Nov. 5, 2025 Roblox Corp $RBLX Reinstra Mark Chief Legal Off. & Corp. Sec. S Class A Common Stock 2401 $104.60 540,892.0000 701,867,000 0.44% 0.00%
Sept. 30, 2025 Roblox Corp $RBLX Reinstra Mark Chief Legal Off. & Corp. Sec. A Class A Common Stock 16046 $0.00 539,651.0000 693,161,000 3.06% 0.00%
Aug. 20, 2025 Roblox Corp $RBLX Reinstra Mark Chief Legal Off. & Corp. Sec. S Class A Common Stock 4868 $117.05 533,321.0000 693,161,000 0.90% 0.00%
Aug. 20, 2025 Roblox Corp $RBLX Reinstra Mark Chief Legal Off. & Corp. Sec. S Class A Common Stock 3445 $118.69 523,605.0000 693,161,000 0.65% 0.00%
Aug. 20, 2025 Roblox Corp $RBLX Reinstra Mark Chief Legal Off. & Corp. Sec. S Class A Common Stock 1236 $115.96 538,189.0000 693,161,000 0.23% 0.00%
Aug. 20, 2025 Roblox Corp $RBLX Reinstra Mark Chief Legal Off. & Corp. Sec. S Class A Common Stock 6271 $118.04 527,050.0000 693,161,000 1.18% 0.00%
Aug. 5, 2025 Roblox Corp $RBLX Reinstra Mark Chief Legal Off. & Corp. Sec. G Class A Common Stock 2500 $0.00 539,425.0000 693,161,000 0.46% 0.00%
June 16, 2025 Roblox Corp $RBLX Reinstra Mark Chief Legal Off. & Corp. Sec. M Class A Common Stock 150000 $3.41 691,925.0000 666,419,000 27.68% 0.02%
June 16, 2025 Roblox Corp $RBLX Reinstra Mark Chief Legal Off. & Corp. Sec. M Stock Option (Right to Buy) 150000 $0.00 31,528.0000 666,419,000 82.63% 0.02%
June 16, 2025 Roblox Corp $RBLX Reinstra Mark Chief Legal Off. & Corp. Sec. S Class A Common Stock 150000 $99.75 541,925.0000 666,419,000 21.68% 0.02%
May 27, 2025 Roblox Corp $RBLX Reinstra Mark Chief Legal Off. & Corp. Sec. M Stock Option (Right to Buy) 50000 $0.00 181,528.0000 666,419,000 21.60% 0.01%
May 27, 2025 Roblox Corp $RBLX Reinstra Mark Chief Legal Off. & Corp. Sec. S Class A Common Stock 50000 $84.64 541,925.0000 666,419,000 8.45% 0.01%
May 27, 2025 Roblox Corp $RBLX Reinstra Mark Chief Legal Off. & Corp. Sec. M Class A Common Stock 50000 $3.41 591,925.0000 666,419,000 9.23% 0.01%
May 20, 2025 Roblox Corp $RBLX Reinstra Mark Chief Legal Off. & Corp. Sec. S Class A Common Stock 14649 $80.61 543,128.0000 666,419,000 2.63% 0.00%
May 20, 2025 Roblox Corp $RBLX Reinstra Mark Chief Legal Off. & Corp. Sec. S Class A Common Stock 1203 $81.23 541,925.0000 666,419,000 0.22% 0.00%
March 7, 2025 Roblox Corp $RBLX Reinstra Mark Chief Legal Off. & Corp. Sec. A Performance Stock Unit 87912 $0.00 87,912.0000 666,419,000 9999.99% 0.01%
March 7, 2025 Roblox Corp $RBLX Reinstra Mark Chief Legal Off. & Corp. Sec. A Class A Common Stock 81634 $0.00 557,777.0000 666,419,000 17.14% 0.01%
Feb. 20, 2025 Roblox Corp $RBLX Reinstra Mark Chief Legal Off. & Corp. Sec. S Class A Common Stock 16432 $61.39 475,210.0000 666,419,000 3.34% 0.00%
Feb. 10, 2025 Roblox Corp $RBLX Reinstra Mark Chief Legal Off. & Corp. Sec. M Performance Stock Unit 77570 $0.00 0.0000 666,419,000 100.00% 0.01%
Feb. 10, 2025 Roblox Corp $RBLX Reinstra Mark Chief Legal Off. & Corp. Sec. M Class A Common Stock 77570 $0.00 511,167.0000 666,419,000 17.89% 0.01%
Feb. 11, 2025 Roblox Corp $RBLX Reinstra Mark Chief Legal Off. & Corp. Sec. S Class A Common Stock 19525 $65.94 491,642.0000 666,419,000 3.82% 0.00%
Jan. 22, 2025 Roblox Corp $RBLX Reinstra Mark Chief Legal Off. & Corp. Sec. S Class A Common Stock 23400 $65.87 434,197.0000 666,419,000 5.11% 0.00%
Jan. 22, 2025 Roblox Corp $RBLX Reinstra Mark Chief Legal Off. & Corp. Sec. M Class A Common Stock 24000 $3.41 457,597.0000 666,419,000 5.54% 0.00%
Jan. 22, 2025 Roblox Corp $RBLX Reinstra Mark Chief Legal Off. & Corp. Sec. S Class A Common Stock 600 $66.49 433,597.0000 666,419,000 0.14% 0.00%
Jan. 22, 2025 Roblox Corp $RBLX Reinstra Mark Chief Legal Off. & Corp. Sec. M Stock Option (Right to Buy) 24000 $0.00 231,528.0000 666,419,000 9.39% 0.00%
Jan. 16, 2025 Roblox Corp $RBLX Reinstra Mark Chief Legal Off. & Corp. Sec. M Class A Common Stock 50000 $3.41 474,315.0000 666,419,000 11.78% 0.01%
Jan. 16, 2025 Roblox Corp $RBLX Reinstra Mark Chief Legal Off. & Corp. Sec. S Class A Common Stock 50000 $64.98 424,315.0000 666,419,000 10.54% 0.01%
Jan. 16, 2025 Roblox Corp $RBLX Reinstra Mark Chief Legal Off. & Corp. Sec. M Stock Option (Right to Buy) 50000 $0.00 255,528.0000 666,419,000 16.37% 0.01%
Nov. 13, 2024 Roblox Corp $RBLX Reinstra Mark Chief Legal Off. & Corp. Sec. G Class A Common Stock 3000 $0.00 403,831.0000 656,132,000 0.74% 0.00%
Dec. 23, 2024 Roblox Corp $RBLX Reinstra Mark Chief Legal Off. & Corp. Sec. S Class A Common Stock 16200 $59.51 432,115.0000 656,132,000 3.61% 0.00%
Dec. 23, 2024 Roblox Corp $RBLX Reinstra Mark Chief Legal Off. & Corp. Sec. M Stock Option (Right to Buy) 24000 $0.00 305,528.0000 656,132,000 7.28% 0.00%
Dec. 23, 2024 Roblox Corp $RBLX Reinstra Mark Chief Legal Off. & Corp. Sec. S Class A Common Stock 7800 $60.24 424,315.0000 656,132,000 1.81% 0.00%
Dec. 23, 2024 Roblox Corp $RBLX Reinstra Mark Chief Legal Off. & Corp. Sec. M Class A Common Stock 24000 $3.41 448,315.0000 656,132,000 5.66% 0.00%
Dec. 11, 2024 Roblox Corp $RBLX Reinstra Mark Chief Legal Off. & Corp. Sec. M Stock Option (Right to Buy) 5000 $0.00 329,528.0000 656,132,000 1.49% 0.00%
Dec. 11, 2024 Roblox Corp $RBLX Reinstra Mark Chief Legal Off. & Corp. Sec. M Class A Common Stock 5000 $3.41 429,315.0000 656,132,000 1.18% 0.00%
Dec. 11, 2024 Roblox Corp $RBLX Reinstra Mark Chief Legal Off. & Corp. Sec. S Class A Common Stock 5000 $60.00 424,315.0000 656,132,000 1.16% 0.00%
Nov. 25, 2024 Roblox Corp $RBLX Reinstra Mark Gen. Counsel & Secretary S Class A Common Stock 6800 $48.37 424,515.0000 656,132,000 1.58% 0.00%
Nov. 25, 2024 Roblox Corp $RBLX Reinstra Mark Gen. Counsel & Secretary M Class A Common Stock 7000 $3.41 431,315.0000 656,132,000 1.65% 0.00%
Nov. 26, 2024 Roblox Corp $RBLX Reinstra Mark Gen. Counsel & Secretary M Class A Common Stock 2000 $3.41 426,315.0000 656,132,000 0.47% 0.00%
Nov. 25, 2024 Roblox Corp $RBLX Reinstra Mark Gen. Counsel & Secretary S Class A Common Stock 200 $49.07 424,315.0000 656,132,000 0.05% 0.00%
Nov. 26, 2024 Roblox Corp $RBLX Reinstra Mark Gen. Counsel & Secretary M Stock Option (Right to Buy) 2000 $0.00 334,528.0000 656,132,000 0.59% 0.00%
Nov. 25, 2024 Roblox Corp $RBLX Reinstra Mark Gen. Counsel & Secretary M Stock Option (Right to Buy) 7000 $0.00 336,528.0000 656,132,000 2.04% 0.00%
Nov. 26, 2024 Roblox Corp $RBLX Reinstra Mark Gen. Counsel & Secretary S Class A Common Stock 2000 $50.00 424,315.0000 656,132,000 0.47% 0.00%
Nov. 20, 2024 Roblox Corp $RBLX Reinstra Mark Gen. Counsel & Secretary S Class A Common Stock 2779 $51.77 424,315.0000 656,132,000 0.65% 0.00%
Nov. 20, 2024 Roblox Corp $RBLX Reinstra Mark Gen. Counsel & Secretary S Class A Common Stock 13701 $51.36 427,094.0000 656,132,000 3.11% 0.00%
Nov. 13, 2024 Roblox Corp $RBLX Reinstra Mark Gen. Counsel & Secretary G Class A Common Stock 3000 $0.00 440,795.0000 656,132,000 0.68% 0.00%
Nov. 4, 2024 Roblox Corp $RBLX Reinstra Mark Gen. Counsel & Secretary M Stock Option (Right to Buy) 9000 $0.00 343,528.0000 656,132,000 2.55% 0.00%
Nov. 4, 2024 Roblox Corp $RBLX Reinstra Mark Gen. Counsel & Secretary S Class A Common Stock 3500 $50.31 478,663.0000 656,132,000 0.73% 0.00%
Nov. 4, 2024 Roblox Corp $RBLX Reinstra Mark Gen. Counsel & Secretary S Class A Common Stock 1400 $51.56 477,263.0000 656,132,000 0.29% 0.00%
Nov. 4, 2024 Roblox Corp $RBLX Reinstra Mark Gen. Counsel & Secretary M Class A Common Stock 9000 $3.41 482,163.0000 656,132,000 1.90% 0.00%
Nov. 4, 2024 Roblox Corp $RBLX Reinstra Mark Gen. Counsel & Secretary S Class A Common Stock 4100 $52.89 473,163.0000 656,132,000 0.86% 0.00%
Nov. 6, 2024 Roblox Corp $RBLX Reinstra Mark Gen. Counsel & Secretary G Class A Common Stock 29368 $0.00 443,795.0000 656,132,000 6.21% 0.00%
Nov. 6, 2024 Roblox Corp $RBLX Reinstra Mark Gen. Counsel & Secretary A Class A Common Stock 29368 $0.00 443,795.0000 656,132,000 7.09% 0.00%
Sept. 23, 2024 Roblox Corp $RBLX Reinstra Mark Gen. Counsel & Secretary S Class A Common Stock 700 $46.29 443,795.0000 646,611,000 0.16% 0.00%
Sept. 23, 2024 Roblox Corp $RBLX Reinstra Mark Gen. Counsel & Secretary M Class A Common Stock 17000 $3.41 460,795.0000 646,611,000 3.83% 0.00%
Sept. 23, 2024 Roblox Corp $RBLX Reinstra Mark Gen. Counsel & Secretary S Class A Common Stock 16300 $45.55 444,495.0000 646,611,000 3.54% 0.00%
Sept. 23, 2024 Roblox Corp $RBLX Reinstra Mark Gen. Counsel & Secretary M Stock Option (Right to Buy) 17000 $0.00 352,528.0000 646,611,000 4.60% 0.00%
Aug. 20, 2024 Roblox Corp $RBLX Reinstra Mark Gen. Counsel & Secretary S Class A Common Stock 16553 $40.35 442,889.0000 646,611,000 3.60% 0.00%
Aug. 20, 2024 Roblox Corp $RBLX Reinstra Mark Gen. Counsel & Secretary S Class A Common Stock 26 $40.72 442,863.0000 646,611,000 0.01% 0.00%
Aug. 15, 2024 Roblox Corp $RBLX Reinstra Mark Gen. Counsel & Secretary S Class A Common Stock 12000 $40.00 459,442.0000 646,611,000 2.55% 0.00%
Aug. 19, 2024 Roblox Corp $RBLX Reinstra Mark Gen. Counsel & Secretary M Class A Common Stock 17000 $3.41 476,442.0000 646,611,000 3.70% 0.00%
Aug. 19, 2024 Roblox Corp $RBLX Reinstra Mark Gen. Counsel & Secretary S Class A Common Stock 16837 $40.47 459,605.0000 646,611,000 3.53% 0.00%
Aug. 19, 2024 Roblox Corp $RBLX Reinstra Mark Gen. Counsel & Secretary S Class A Common Stock 163 $40.81 459,442.0000 646,611,000 0.04% 0.00%
Aug. 15, 2024 Roblox Corp $RBLX Reinstra Mark Gen. Counsel & Secretary M Stock Option (Right to Buy) 12000 $0.00 386,528.0000 646,611,000 3.01% 0.00%
Aug. 19, 2024 Roblox Corp $RBLX Reinstra Mark Gen. Counsel & Secretary M Stock Option (Right to Buy) 17000 $0.00 369,528.0000 646,611,000 4.40% 0.00%
Aug. 15, 2024 Roblox Corp $RBLX Reinstra Mark Gen. Counsel & Secretary M Class A Common Stock 12000 $3.41 471,442.0000 646,611,000 2.61% 0.00%
Aug. 13, 2024 Roblox Corp $RBLX Reinstra Mark Gen. Counsel & Secretary S Class A Common Stock 8300 $38.86 461,142.0000 646,611,000 1.77% 0.00%
Aug. 13, 2024 Roblox Corp $RBLX Reinstra Mark Gen. Counsel & Secretary S Class A Common Stock 1700 $39.33 459,442.0000 646,611,000 0.37% 0.00%
Aug. 13, 2024 Roblox Corp $RBLX Reinstra Mark Gen. Counsel & Secretary M Stock Option (Right to Buy) 10000 $0.00 398,528.0000 646,611,000 2.45% 0.00%
Aug. 13, 2024 Roblox Corp $RBLX Reinstra Mark Gen. Counsel & Secretary M Class A Common Stock 10000 $3.41 469,442.0000 646,611,000 2.18% 0.00%
May 22, 2024 Roblox Corp $RBLX Reinstra Mark Gen. Counsel & Secretary M Stock Option (Right to Buy) 4000 $0.00 408,528.0000 631,221,000 0.97% 0.00%
May 22, 2024 Roblox Corp $RBLX Reinstra Mark Gen. Counsel & Secretary M Class A Common Stock 4000 $3.41 463,442.0000 631,221,000 0.87% 0.00%
May 22, 2024 Roblox Corp $RBLX Reinstra Mark Gen. Counsel & Secretary S Class A Common Stock 4000 $33.19 459,442.0000 631,221,000 0.86% 0.00%
May 21, 2024 Roblox Corp $RBLX Reinstra Mark Gen. Counsel & Secretary S Class A Common Stock 16797 $32.56 459,442.0000 631,221,000 3.53% 0.00%
April 17, 2024 Roblox Corp $RBLX Reinstra Mark Gen. Counsel & Secretary M Stock Option (Right to Buy) 4000 $0.00 412,528.0000 631,221,000 0.96% 0.00%
April 17, 2024 Roblox Corp $RBLX Reinstra Mark Gen. Counsel & Secretary M Class A Common Stock 4000 $3.41 480,239.0000 631,221,000 0.84% 0.00%
April 17, 2024 Roblox Corp $RBLX Reinstra Mark Gen. Counsel & Secretary S Class A Common Stock 4000 $36.69 476,239.0000 631,221,000 0.83% 0.00%
March 20, 2024 Roblox Corp $RBLX Reinstra Mark Gen. Counsel & Secretary M Stock Option (Right to Buy) 4000 $0.00 416,528.0000 631,221,000 0.95% 0.00%
March 20, 2024 Roblox Corp $RBLX Reinstra Mark Gen. Counsel & Secretary S Class A Common Stock 4000 $36.50 476,239.0000 631,221,000 0.83% 0.00%
March 20, 2024 Roblox Corp $RBLX Reinstra Mark Gen. Counsel & Secretary M Class A Common Stock 4000 $3.41 480,239.0000 631,221,000 0.84% 0.00%
March 1, 2024 Roblox Corp $RBLX Reinstra Mark Gen. Counsel & Secretary A Class A Common Stock 109674 $0.00 476,239.0000 631,221,000 29.92% 0.02%
March 1, 2024 Roblox Corp $RBLX Reinstra Mark Gen. Counsel & Secretary A Performance Stock Unit 118110 $0.00 118,110.0000 631,221,000 9999.99% 0.02%
Feb. 21, 2024 Roblox Corp $RBLX Reinstra Mark Gen. Counsel & Secretary M Stock Option (Right to Buy) 4000 $0.00 420,528.0000 631,221,000 0.94% 0.00%
Feb. 21, 2024 Roblox Corp $RBLX Reinstra Mark Gen. Counsel & Secretary M Class A Common Stock 4000 $3.41 379,096.0000 631,221,000 1.07% 0.00%
Feb. 21, 2024 Roblox Corp $RBLX Reinstra Mark Gen. Counsel & Secretary S Class A Common Stock 4000 $40.98 375,096.0000 631,221,000 1.06% 0.00%
Feb. 21, 2024 Roblox Corp $RBLX Reinstra Mark Gen. Counsel & Secretary S Class A Common Stock 8531 $40.64 366,565.0000 631,221,000 2.27% 0.00%
Jan. 17, 2024 Roblox Corp $RBLX Reinstra Mark Gen. Counsel & Secretary M Stock Option (Right to Buy) 4000 $0.00 424,528.0000 631,221,000 0.93% 0.00%
Jan. 17, 2024 Roblox Corp $RBLX Reinstra Mark Gen. Counsel & Secretary S Class A Common Stock 4000 $38.58 375,096.0000 631,221,000 1.06% 0.00%
Jan. 17, 2024 Roblox Corp $RBLX Reinstra Mark Gen. Counsel & Secretary M Class A Common Stock 4000 $3.41 379,096.0000 631,221,000 1.07% 0.00%