Reinstra Mark — SEC Form 4 filings
SEC reporting owner CIK 1835037. 42 Form 4 filings on record with FilingPulse; latest filed 2026-09-09.
Transaction summary — filings shown
Covers all 42 filings on record, filed 2024-01-18 to 2026-09-09. Counts and totals are arithmetic on values as filed — descriptive data, not a recommendation.
- Open-market purchases (code P, non-derivative): none reported.
- Open-market sales (code S, non-derivative): 68 legs across 35 filings — 735,540 shares, $50,637,782 total (shares × price as filed).
- Other reported legs (grants, option exercises, tax withholding, gifts, derivative-security transactions, …): 52.
- Largest priced transaction: sale of 150,000 shares @ $99.75 ($14,962,365) in Roblox Corp, filed 2025-06-18.
By issuer — same filings
Open-market purchase/sale legs on non-derivative securities, grouped by issuer. Role is as filed on the newest filing for that issuer. Dollar totals cover priced legs only (shares × price as filed). Ordered by priced transaction value, largest first.
| Issuer | Role (as filed) | Filings | Purchases (P) | Sales (S) | Other legs |
|---|---|---|---|---|---|
| Roblox Corp (RBLX) | Chief Legal Off. & Corp. Sec. | 42 | — | 68 legs · 735,540 sh · $50,637,782 | 52 |
Form 4 filings — Reinstra Mark
| Filed | Form | Issuer | Reported transactions | Source |
|---|---|---|---|---|
| 2026-09-09 | 4 | Roblox Corp (RBLX) | Sale (S): 1,920 @ $44.30 · Sale (S): 3,753 @ $45.03 · Sale (S): 100 @ $45.73 | EDGAR |
| 2026-08-24 | 4 | Roblox Corp (RBLX) | Sale (S): 13,020 @ $37.78 · Sale (S): 4,914 @ $38.45 | EDGAR |
| 2026-08-20 | 4 | Roblox Corp (RBLX) | Sale (S): 6,250 @ $40 | EDGAR |
| 2026-07-07 | 4 | Roblox Corp (RBLX) | Sale (S): 200 @ $55.77 · Sale (S): 3,212 @ $57.24 · Sale (S): 1,100 @ $57.94 | EDGAR |
| 2026-06-08 | 4 | Roblox Corp (RBLX) | Sale (S): 5,978 @ $41.71 | EDGAR |
| 2026-05-22 | 4 | Roblox Corp (RBLX) | Sale (S): 1,903 @ $44.48 · Sale (S): 15,372 @ $45.38 · Sale (S): 561 @ $45.93 · Sale (S): 4,899 @ $46.46 | EDGAR |
| 2026-04-15 | 4 | Roblox Corp (RBLX) | Sale (S): 18,553 @ $57.94 · Sale (S): 100 @ $58.47 | EDGAR |
| 2026-03-03 | 4 | Roblox Corp (RBLX) | Grant/award (A): 96,790 @ $0 · Grant/award (A): 104,236 (derivative) @ $0 | EDGAR |
| 2026-02-24 | 4 | Roblox Corp (RBLX) | Sale (S): 5,913 @ $60.92 · Sale (S): 10,203 @ $61.89 · Sale (S): 1,070 @ $62.69 | EDGAR |
| 2026-02-19 | 4 | Roblox Corp (RBLX) | Sale (S): 60,000 @ $63.94 | EDGAR |
| 2026-02-11 | 4 | Roblox Corp (RBLX) | Option exercise (M): 118,110 @ $0 · Sale (S): 31,705 @ $72.61 · Sale (S): 2,615 @ $73.14 · Option exercise (M): 118,110 (derivative) @ $0 | EDGAR |
| 2025-11-24 | 4 | Roblox Corp (RBLX) | Sale (S): 2,796 @ $93.36 · Sale (S): 2,901 @ $94.30 · Sale (S): 4,995 @ $95.30 · Sale (S): 3,960 @ $96.21 · Sale (S): 2,130 @ $97.07 | EDGAR |
| 2025-11-07 | 4 | Roblox Corp (RBLX) | Sale (S): 2,401 @ $104.60 | EDGAR |
| 2025-09-30 | 4 | Roblox Corp (RBLX) | Grant/award (A): 16,046 @ $0 | EDGAR |
| 2025-08-22 | 4 | Roblox Corp (RBLX) | Sale (S): 1,236 @ $115.96 · Sale (S): 4,868 @ $117.05 · Sale (S): 6,271 @ $118.04 · Sale (S): 3,445 @ $118.69 | EDGAR |
| 2025-08-07 | 4 | Roblox Corp (RBLX) | Gift (G): 2,500 @ $0 | EDGAR |
| 2025-06-18 | 4 | Roblox Corp (RBLX) | Option exercise (M): 150,000 @ $3.40 · Sale (S): 150,000 @ $99.75 · Option exercise (M): 150,000 (derivative) @ $0 | EDGAR |
| 2025-05-29 | 4 | Roblox Corp (RBLX) | Option exercise (M): 50,000 @ $3.40 · Sale (S): 50,000 @ $84.64 · Option exercise (M): 50,000 (derivative) @ $0 | EDGAR |
| 2025-05-22 | 4 | Roblox Corp (RBLX) | Sale (S): 14,649 @ $80.61 · Sale (S): 1,203 @ $81.23 | EDGAR |
| 2025-03-11 | 4 | Roblox Corp (RBLX) | Grant/award (A): 81,634 @ $0 · Grant/award (A): 87,912 (derivative) @ $0 | EDGAR |
| 2025-02-24 | 4 | Roblox Corp (RBLX) | Sale (S): 16,432 @ $61.39 | EDGAR |
| 2025-02-12 | 4 | Roblox Corp (RBLX) | Option exercise (M): 77,570 @ $0 · Sale (S): 19,525 @ $65.94 · Option exercise (M): 77,570 (derivative) @ $0 | EDGAR |
| 2025-01-24 | 4 | Roblox Corp (RBLX) | Option exercise (M): 24,000 @ $3.40 · Sale (S): 23,400 @ $65.87 · Sale (S): 600 @ $66.49 · Option exercise (M): 24,000 (derivative) @ $0 | EDGAR |
| 2025-01-21 | 4/A | Roblox Corp (RBLX) | Gift (G): 3,000 @ $0 | EDGAR |
| 2025-01-21 | 4 | Roblox Corp (RBLX) | Option exercise (M): 50,000 @ $3.40 · Sale (S): 50,000 @ $64.98 · Option exercise (M): 50,000 (derivative) @ $0 | EDGAR |
| 2024-12-26 | 4 | Roblox Corp (RBLX) | Option exercise (M): 24,000 @ $3.40 · Sale (S): 16,200 @ $59.51 · Sale (S): 7,800 @ $60.24 · Option exercise (M): 24,000 (derivative) @ $0 | EDGAR |
| 2024-12-13 | 4 | Roblox Corp (RBLX) | Option exercise (M): 5,000 @ $3.40 · Sale (S): 5,000 @ $60 · Option exercise (M): 5,000 (derivative) @ $0 | EDGAR |
| 2024-11-26 | 4 | Roblox Corp (RBLX) | Option exercise (M): 7,000 @ $3.40 · Sale (S): 6,800 @ $48.37 · Sale (S): 200 @ $49.06 · Option exercise (M): 2,000 @ $3.40 · Sale (S): 2,000 @ $50 · Option exercise (M): 7,000 (derivative) @ $0 · +1 more | EDGAR |
| 2024-11-22 | 4 | Roblox Corp (RBLX) | Sale (S): 13,701 @ $51.36 · Sale (S): 2,779 @ $51.77 | EDGAR |
| 2024-11-15 | 4 | Roblox Corp (RBLX) | Gift (G): 3,000 @ $0 | EDGAR |
| 2024-11-06 | 4 | Roblox Corp (RBLX) | Option exercise (M): 9,000 @ $3.40 · Sale (S): 3,500 @ $50.31 · Sale (S): 1,400 @ $51.56 · Sale (S): 4,100 @ $52.89 · Gift (G): 29,368 @ $0 · Grant/award (A): 29,368 @ $0 · +1 more | EDGAR |
| 2024-09-24 | 4 | Roblox Corp (RBLX) | Option exercise (M): 17,000 @ $3.40 · Sale (S): 16,300 @ $45.55 · Sale (S): 700 @ $46.29 · Option exercise (M): 17,000 (derivative) @ $0 | EDGAR |
| 2024-08-22 | 4 | Roblox Corp (RBLX) | Sale (S): 16,553 @ $40.35 · Sale (S): 26 @ $40.72 | EDGAR |
| 2024-08-19 | 4 | Roblox Corp (RBLX) | Option exercise (M): 12,000 @ $3.40 · Sale (S): 12,000 @ $40 · Option exercise (M): 17,000 @ $3.40 · Sale (S): 16,837 @ $40.47 · Sale (S): 163 @ $40.81 · Option exercise (M): 12,000 (derivative) @ $0 · +1 more | EDGAR |
| 2024-08-15 | 4 | Roblox Corp (RBLX) | Option exercise (M): 10,000 @ $3.40 · Sale (S): 8,300 @ $38.86 · Sale (S): 1,700 @ $39.33 · Option exercise (M): 10,000 (derivative) @ $0 | EDGAR |
| 2024-05-23 | 4 | Roblox Corp (RBLX) | Option exercise (M): 4,000 @ $3.40 · Sale (S): 4,000 @ $33.19 · Option exercise (M): 4,000 (derivative) @ $0 | EDGAR |
| 2024-05-22 | 4 | Roblox Corp (RBLX) | Sale (S): 16,797 @ $32.56 | EDGAR |
| 2024-04-18 | 4 | Roblox Corp (RBLX) | Option exercise (M): 4,000 @ $3.40 · Sale (S): 4,000 @ $36.69 · Option exercise (M): 4,000 (derivative) @ $0 | EDGAR |
| 2024-03-21 | 4 | Roblox Corp (RBLX) | Option exercise (M): 4,000 @ $3.40 · Sale (S): 4,000 @ $36.50 · Option exercise (M): 4,000 (derivative) @ $0 | EDGAR |
| 2024-03-05 | 4 | Roblox Corp (RBLX) | Grant/award (A): 109,674 @ $0 · Grant/award (A): 118,110 (derivative) @ $0 | EDGAR |
| 2024-02-22 | 4 | Roblox Corp (RBLX) | Option exercise (M): 4,000 @ $3.40 · Sale (S): 4,000 @ $40.98 · Sale (S): 8,531 @ $40.64 · Option exercise (M): 4,000 (derivative) @ $0 | EDGAR |
| 2024-01-18 | 4 | Roblox Corp (RBLX) | Option exercise (M): 4,000 @ $3.40 · Sale (S): 4,000 @ $38.58 · Option exercise (M): 4,000 (derivative) @ $0 | EDGAR |
FilingPulse's Form 4 archive currently extends back to 2024-01-11 and is expanding backward through EDGAR history — earlier filings by this insider may not be indexed yet. Names and roles are shown as filed.
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