Transactions
73
Insider / Roblox Corp
Mastantuono Gina
Director at Roblox Corp
- Company
- Roblox Corp
- First filing on record
- November 12, 2025
- Latest trade on record
- August 20, 2026
- SEC filings
- EDGAR ↗
Mastantuono Gina, Director at Roblox Corp, has disclosed 73 transactions in RBLX, NOW since November 12, 2025: 2 purchases (2 open-market buys) and 22 sales, worth about $6.9M at the reported prices. The latest was filed August 24, 2026, 4 days after the trade; 10 filings were late against the 2-business-day Form 4 deadline.
Open-market buys
2
Sales
22
Avg. disclosure lag
66.2d
Trading in charts
Trade timeline
When does this person trade, how big, and in which direction? Every trade in the last 12 months.
Bought (above the line)Sold (below the line)Other transaction
In the last 12 months Mastantuono Gina made no purchases and 20 sales worth $6.9M, plus 49 other transactions. Dot size is the dollar amount.
Portfolio mix
Which stocks does this person trade most? Tile size is dollars traded, all time on record.
Mastantuono Gina has traded 2 stocks on record; the largest by dollars is NOW.
Reporting lag
Does this person report on time? One bar per filing against the Form 4 deadline.
On timeLate
3 of 23 filings on record were reported after the Form 4 deadline (two business days, counted here as 4 calendar days).
What kind of transactions
Most Form 4 rows are pay arriving or tax being withheld, not a decision to buy or sell. Only code P is an open-market purchase and code S an open-market sale. What each code means: Form 4 transaction codes.
| Code | Meaning | Rows | Shares | Value |
|---|---|---|---|---|
| M | Option exercise or conversion | 36 | 200,482 | — |
| F | Shares withheld for tax | 18 | 51,461 | $6.2M |
| J | Other acquisition or disposal | 8 | 9,344 | — |
| A | Grant or award | 5 | 151,777 | $656 |
| S | Open-market sale | 4 | 854 | $690K |
| P | Open-market purchase | 2 | 22 | $950 |
| Year | Rows | Bought | Sold |
|---|---|---|---|
| 2026 | 53 | 0 | 14 · $5.3M |
| 2025 | 16 | 0 | 6 · $1.5M |
| 2023 | 2 | 1 · $535 | 1 · $442 |
| 2022 | 2 | 1 · $416 | 1 · $348 |
Transactions
| Security | Side | Trade date | Disclosed | Lag | Shares | Price | Value | Flags | Source | Share |
|---|---|---|---|---|---|---|---|---|---|---|
| RBLX | Other J | August 20, 2026 | August 24, 2026 | 4d | 1,296 | — | — | derivative | Form 4 ↗ | |
| RBLX | Other J | August 20, 2026 | August 24, 2026 | 4d | 1,296 | — | — | Form 4 ↗ | ||
| NOW | Option / conversion M | August 17, 2026 | August 19, 2026 | 2d | 1,595 | — | — | derivative | Form 4 ↗ | |
| NOW | Sell F | August 17, 2026 | August 19, 2026 | 2d | 858 | $118 | $101K | Form 4 ↗ | ||
| NOW | Option / conversion M | August 17, 2026 | August 19, 2026 | 2d | 1,595 | — | — | Form 4 ↗ | ||
| NOW | Option / conversion M | August 14, 2026 | August 18, 2026 | 4d | 5,602 | — | — | derivative | Form 4 ↗ | |
| NOW | Option / conversion M | August 14, 2026 | August 18, 2026 | 4d | 2,355 | — | — | derivative | Form 4 ↗ | |
| NOW | Sell F | August 14, 2026 | August 18, 2026 | 4d | 3,012 | $124 | $373K | Form 4 ↗ | ||
| NOW | Option / conversion M | August 14, 2026 | August 18, 2026 | 4d | 5,602 | — | — | Form 4 ↗ | ||
| NOW | Sell F | August 14, 2026 | August 18, 2026 | 4d | 1,266 | $124 | $157K | Form 4 ↗ | ||
| NOW | Option / conversion M | August 14, 2026 | August 18, 2026 | 4d | 2,355 | — | — | Form 4 ↗ | ||
| NOW | Option / conversion M | August 7, 2026 | August 11, 2026 | 4d | 3,945 | — | — | derivative | Form 4 ↗ | |
| NOW | Sell F | August 7, 2026 | August 11, 2026 | 4d | 2,121 | $125 | $265K | Form 4 ↗ | ||
| NOW | Option / conversion M | August 7, 2026 | August 11, 2026 | 4d | 3,945 | — | — | Form 4 ↗ | ||
| RBLX | Other J | May 27, 2026 | May 29, 2026 | 2d | 1,126 | — | — | derivative | Form 4 ↗ | |
| RBLX | Other A | May 28, 2026 | May 29, 2026 | 1d | 5,185 | — | — | Form 4 ↗ | ||
| RBLX | Other J | May 27, 2026 | May 29, 2026 | 2d | 1,126 | — | — | Form 4 ↗ | ||
| NOW | Option / conversion M | May 15, 2026 | May 18, 2026 | 3d | 5,602 | — | — | derivative | Form 4 ↗ | |
| NOW | Option / conversion M | May 15, 2026 | May 18, 2026 | 3d | 2,350 | — | — | derivative | Form 4 ↗ | |
| NOW | Option / conversion M | May 15, 2026 | May 18, 2026 | 3d | 1,595 | — | — | derivative | Form 4 ↗ | |
| NOW | Sell F | May 15, 2026 | May 18, 2026 | 3d | 3,012 | $95 | $286K | Form 4 ↗ | ||
| NOW | Option / conversion M | May 15, 2026 | May 18, 2026 | 3d | 5,602 | — | — | Form 4 ↗ | ||
| NOW | Sell F | May 15, 2026 | May 18, 2026 | 3d | 1,264 | $95 | $120K | Form 4 ↗ | ||
| NOW | Option / conversion M | May 15, 2026 | May 18, 2026 | 3d | 2,350 | — | — | Form 4 ↗ | ||
| NOW | Sell F | May 15, 2026 | May 18, 2026 | 3d | 858 | $95 | $82K | Form 4 ↗ | ||
| NOW | Option / conversion M | May 15, 2026 | May 18, 2026 | 3d | 1,595 | — | — | Form 4 ↗ | ||
| NOW | Option / conversion M | May 7, 2026 | May 11, 2026 | 4d | 3,945 | — | — | derivative | Form 4 ↗ | |
| NOW | Sell F | May 7, 2026 | May 11, 2026 | 4d | 2,121 | $94 | $199K | Form 4 ↗ | ||
| NOW | Option / conversion M | May 7, 2026 | May 11, 2026 | 4d | 3,945 | — | — | Form 4 ↗ | ||
| NOW | Other A | April 29, 2026 | May 1, 2026 | 2d | 39,155 | $0 | $656 | derivative | Form 4 ↗ | |
| RBLX | Other J | February 20, 2026 | February 24, 2026 | 4d | 1,125 | — | — | derivative | Form 4 ↗ | |
| RBLX | Other J | February 20, 2026 | February 24, 2026 | 4d | 1,125 | — | — | Form 4 ↗ | ||
| NOW | Option / conversion M | February 17, 2026 | February 19, 2026 | 2d | 44,407 | — | — | derivative | Form 4 ↗ | |
| NOW | Option / conversion M | February 17, 2026 | February 19, 2026 | 2d | 1,595 | — | — | derivative | Form 4 ↗ | |
| NOW | Other A | February 17, 2026 | February 19, 2026 | 2d | 67,225 | — | — | derivative | Form 4 ↗ | |
| NOW | Sell F | February 17, 2026 | February 19, 2026 | 2d | 23,869 | $106 | $2.5M | Form 4 ↗ | ||
| NOW | Option / conversion M | February 17, 2026 | February 19, 2026 | 2d | 44,407 | — | — | Form 4 ↗ | ||
| NOW | Sell F | February 17, 2026 | February 19, 2026 | 2d | 858 | $106 | $91K | Form 4 ↗ | ||
| NOW | Option / conversion M | February 17, 2026 | February 19, 2026 | 2d | 1,595 | — | — | Form 4 ↗ | ||
| NOW | Option / conversion M | February 13, 2026 | February 18, 2026 | 5d | 2,355 | — | — | latederivative | Form 4 ↗ | |
| NOW | Sell F | February 13, 2026 | February 18, 2026 | 5d | 1,168 | $107 | $125K | late | Form 4 ↗ | |
| NOW | Option / conversion M | February 13, 2026 | February 18, 2026 | 5d | 2,355 | — | — | late | Form 4 ↗ | |
| NOW | Option / conversion M | February 12, 2026 | February 13, 2026 | 1d | 1,140 | — | — | derivative | Form 4 ↗ | |
| NOW | Sell F | February 12, 2026 | February 13, 2026 | 1d | 613 | $103 | $63K | Form 4 ↗ | ||
| NOW | Option / conversion M | February 12, 2026 | February 13, 2026 | 1d | 1,140 | — | — | Form 4 ↗ | ||
| RBLX | Sell S | May 4, 2023 | February 13, 2026 | 1016d | 13 | $34 | $442 | late | Form 4 ↗ | |
| RBLX | Buy P | March 3, 2023 | February 13, 2026 | 1078d | 13 | $41 | $535 | late | Form 4 ↗ | |
| RBLX | Sell S | October 4, 2022 | February 13, 2026 | 1228d | 9 | $39 | $348 | late | Form 4 ↗ | |
| RBLX | Buy P | August 2, 2022 | February 13, 2026 | 1291d | 9 | $46 | $416 | late | Form 4 ↗ | |
| NOW | Other A | February 9, 2026 | February 11, 2026 | 2d | 22,207 | — | — | derivative | Form 4 ↗ | |
| NOW | Option / conversion M | February 6, 2026 | February 10, 2026 | 4d | 3,945 | — | — | derivative | Form 4 ↗ | |
| NOW | Option / conversion M | February 6, 2026 | February 10, 2026 | 4d | 18,005 | — | — | derivative | Form 4 ↗ | |
| NOW | Sell F | February 6, 2026 | February 10, 2026 | 4d | 1,956 | $101 | $197K | Form 4 ↗ | ||
| NOW | Option / conversion M | February 6, 2026 | February 10, 2026 | 4d | 3,945 | — | — | Form 4 ↗ | ||
| NOW | Sell F | February 6, 2026 | February 10, 2026 | 4d | 7,512 | $101 | $757K | Form 4 ↗ | ||
| NOW | Option / conversion M | February 6, 2026 | February 10, 2026 | 4d | 18,005 | — | — | Form 4 ↗ | ||
| NOW | Other A | February 3, 2026 | February 5, 2026 | 2d | 18,005 | — | — | derivative | Form 4 ↗ | |
| NOW | Sell S | December 5, 2025 | December 9, 2025 | 4d | 415 | $850 | $353K | 10b5-1 plan | Form 4 ↗ | |
| NOW | Sell S | November 28, 2025 | December 2, 2025 | 4d | 417 | $808 | $337K | 10b5-1 plan | Form 4 ↗ | |
| RBLX | Other J | November 20, 2025 | November 24, 2025 | 4d | 1,125 | — | — | derivative | Form 4 ↗ | |
| RBLX | Other J | November 20, 2025 | November 24, 2025 | 4d | 1,125 | — | — | Form 4 ↗ | ||
| NOW | Option / conversion M | November 17, 2025 | November 19, 2025 | 2d | 319 | — | — | derivative | Form 4 ↗ | |
| NOW | Sell F | November 17, 2025 | November 19, 2025 | 2d | 172 | $836 | $144K | Form 4 ↗ | ||
| NOW | Option / conversion M | November 17, 2025 | November 19, 2025 | 2d | 319 | — | — | Form 4 ↗ | ||
| NOW | Option / conversion M | November 14, 2025 | November 18, 2025 | 4d | 470 | — | — | derivative | Form 4 ↗ | |
| NOW | Sell F | November 14, 2025 | November 18, 2025 | 4d | 253 | $850 | $215K | Form 4 ↗ | ||
| NOW | Option / conversion M | November 14, 2025 | November 18, 2025 | 4d | 470 | — | — | Form 4 ↗ | ||
| NOW | Option / conversion M | November 12, 2025 | November 14, 2025 | 2d | 227 | — | — | derivative | Form 4 ↗ | |
| NOW | Sell F | November 12, 2025 | November 14, 2025 | 2d | 123 | $864 | $106K | Form 4 ↗ | ||
| NOW | Option / conversion M | November 12, 2025 | November 14, 2025 | 2d | 227 | — | — | Form 4 ↗ | ||
| NOW | Option / conversion M | November 7, 2025 | November 12, 2025 | 5d | 789 | — | — | latederivative | Form 4 ↗ | |
| NOW | Sell F | November 7, 2025 | November 12, 2025 | 5d | 425 | $862 | $366K | late | Form 4 ↗ | |
| NOW | Option / conversion M | November 7, 2025 | November 12, 2025 | 5d | 789 | — | — | late | Form 4 ↗ |
Filings
| Filed | Form | Accession | Rows | Status | Source |
|---|---|---|---|---|---|
| August 24, 2026 | Form 4 | 0001315098-26-000167 | 2 | published | EDGAR ↗ |
| August 19, 2026 | Form 4 | 0001465391-26-000030 | 3 | published | EDGAR ↗ |
| August 18, 2026 | Form 4 | 0001465391-26-000028 | 6 | published | EDGAR ↗ |
| August 11, 2026 | Form 4 | 0001465391-26-000026 | 3 | published | EDGAR ↗ |
| May 29, 2026 | Form 4 | 0001315098-26-000134 | 3 | published | EDGAR ↗ |
| May 18, 2026 | Form 4 | 0001465391-26-000024 | 9 | published | EDGAR ↗ |
| May 11, 2026 | Form 4 | 0001465391-26-000022 | 3 | published | EDGAR ↗ |
| May 1, 2026 | Form 4 | 0001465391-26-000020 | 1 | published | EDGAR ↗ |
| February 24, 2026 | Form 4 | 0001315098-26-000044 | 2 | published | EDGAR ↗ |
| February 19, 2026 | Form 4 | 0001465391-26-000016 | 7 | published | EDGAR ↗ |
| February 18, 2026 | Form 4 | 0001465391-26-000013 | 3 | published | EDGAR ↗ |
| February 13, 2026 | Form 4 | 0001315098-26-000036 | 4 | published | EDGAR ↗ |
| February 13, 2026 | Form 4 | 0001465391-26-000011 | 3 | published | EDGAR ↗ |
| February 11, 2026 | Form 4 | 0001465391-26-000008 | 1 | published | EDGAR ↗ |
| February 10, 2026 | Form 4 | 0001465391-26-000005 | 6 | published | EDGAR ↗ |
| February 5, 2026 | Form 4 | 0001465391-26-000002 | 1 | published | EDGAR ↗ |
| December 9, 2025 | Form 4 | 0001465391-25-000023 | 1 | published | EDGAR ↗ |
| December 2, 2025 | Form 4 | 0001465391-25-000021 | 1 | published | EDGAR ↗ |
| November 24, 2025 | Form 4 | 0001315098-25-000353 | 2 | published | EDGAR ↗ |
| November 19, 2025 | Form 4 | 0001465391-25-000019 | 3 | published | EDGAR ↗ |
| November 18, 2025 | Form 4 | 0001465391-25-000017 | 3 | published | EDGAR ↗ |
| November 14, 2025 | Form 4 | 0001465391-25-000015 | 3 | published | EDGAR ↗ |
| November 12, 2025 | Form 4 | 0001465391-25-000013 | 3 | published | EDGAR ↗ |
Other insiders at Roblox Corp
- Fipps Paul President, Global Customer Ops 115 rows
- Canney Jacqueline P Chief People & AI Enblmt. Off. 64 rows
- McDermott William R Director 61 rows
- Zavery Amit Director 51 rows
- Baszucki Gregory Director 50 rows
- Baszucki David President & CEO 48 rows
- Lee Anthony P Director 47 rows
- McBride Kevin Thomas Principal Accounting Officer 38 rows
- Reinstra Mark Chief Legal Off. & Corp. Sec. 34 rows
- Fontaine Danielle Principal Accounting Officer 28 rows
Everyone on file, with contracts and lobbying under the company's name: Roblox Corp.
Guides for this page
- What is SEC Form 4? Who files: officers, directors and owners of more than 10% of a class of the company's shares.
- Form 4 transaction codes P = purchase. S = sale. These are the two market trades.
- Insider buying vs insider selling Selling outweighs buying by a wide margin in normal times.
- Rule 10b5-1 trading plans The plan must be set up when the insider has no important non-public information.
- Options and derivatives on Form 4 Table I = shares. Table II = options and other derivatives.
Sources and method
| Source | Filings | Rows | First filed | Newest filed | Read the originals |
|---|---|---|---|---|---|
| SEC EDGAR, Form 4 | 23 | 73 | November 12, 2025 | August 24, 2026 | Form 4 list on EDGAR |
Site built October 22, 2026. Every row in the tables above links to its own filing. To quote a figure, use the Cite button at the top of the page; see how to cite and reuse.
Every row comes from the reporting owner's Form 4 as filed with the SEC (EDGAR ownership XML), read daily. "Value" is shares × the reported price; code P is an open-market purchase, S a sale, M an option exercise, A a grant. The lag is the filing date minus the trade date; Form 4 is due within two business days. Amendments (4/A) are not merged. Details on the methodology page; report an error on corrections.
Not investment advice. Figures are public disclosures shown as filed; they may lag the trade and may be amended later. No recommendation is made or implied.