Transaction · 0001315098-26-000188

Reinstra Mark

Reinstra Mark, CLO, CS, reported an open-market or private sale at Roblox Corp involving 3000.000000 shares for an estimated $131631.90. Reported holdings after the transaction were 389291.000000 shares. The stored filing text includes a detected 10b5-1 reference.

Open-market sellSEC transaction code SCLO, CS
RBLXRoblox Corp
Filing timeOct 06
Trade dateOct 05, 2026
Filing · SECView on SEC
InsiderProfile
% of reported position traded0.76%Shares sold ÷ (holdings after + shares sold). Estimated position before: 392,291 shares.

Row-level estimate for this security and ownership context, not the insider’s complete portfolio. Joint ownership, other transactions in the filing, amendments and footnotes can affect interpretation.

Price performance since filing

Close on the filing date, the pre-filing context, and the forward return at standard windows
Price at filing
$45.56
Pre-filing
1mo ago -4.9%1w ago -8.1%1d ago -3.2%
Returns since
7d30d90d180d1y

RBLX price since this filing

30 days of pre-filing context and vertical markers at the filing date plus 7d / 30d / 90d / 180d / 1y afterwards
RBLX since 2026-10-06Filed yesterday · 1 day of post-filing data
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Filing datePost-filing windows (7d, 30d, 90d, 180d, 1y)30 days of pre-filing context

Transaction facts

Stored Form 4 columns with their raw values

Non-derivative
Type
Sell
Code S
Identifier
0001315098-26-000188
Class A Common Stock
Transaction date
Oct 05, 2026
Filed Oct 06, 2026, 08:25 PM · 1d delay
Shares
3.00k sh
$43.88 per share
Estimated value
-$131k
Computed from shares × price
Holdings after
389k sh
Direct

Filing signal explanations

Badges describe filing facts only — not predictions.

Cluster 14dRepeat 30dPattern $100kLarge $1.00M
Cluster Selling Direct Ownership Repeat Seller 10b5-1 Detected
0score
Filing-only score

0

Compact filing score computed from stored Form 4 facts. Version v1.

Neutral filing signal

This filing is broadly neutral on the filing-only scale. The Form 4 facts do not strongly tilt positive or negative.

Reported relationships & other filings

Form 4 relationship flags and nearby filing context

Reported roles

Chief Legal Off. & Corp. Sec.

Officer YesDirector No10% NoOther No
Footnotes & amended
  1. F1

    The transactions reported in this Form 4 were effected pursuant to a Rule 10b5-1 Plan adopted by the Reporting Person on February 19, 2026.

  2. F2

    The price reported in column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $43.36 to $44.25, inclusive. The Reporting Person undertakes to provi…

  3. F3

    A portion of these securities are Restricted Stock Units ("RSUs"). Each RSU represents a contingent right to receive one share of the Issuer's Class A Common Stock.

  4. F4

    The price reported in column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $44.39 to $44.72, inclusive. The Reporting Person undertakes to provi…

  5. F5

    These shares are held directly by the San Domenico Trust dated August 12, 1999 for which the Reporting Person serves as trustee. The Reporting Person may be deemed to have beneficial ownership over t…

  6. F6

    These shares are held directly by the Mark L. Reinstra 2023 Annuity Trust for which the Reporting Person serves as trustee. The Reporting Person may be deemed to have beneficial ownership of the secur…

  7. F7

    These shares are held directly by the Mark L. Reinstra 2022 Annuity Trust for which the Reporting Person serves as trustee. The Reporting Person may be deemed to have beneficial ownership of the secur…

  8. F8

    These shares are held directly by the Susan P. Reinstra 2023 Annuity Trust for which the Reporting Person serves as trustee. The spouse of the Reporting Person may be deemed to have beneficial ownersh…

  9. F9

    These shares are held directly by the Susan P. Reinstra 2022 Annuity Trust for which the Reporting Person serves as trustee. The spouse of the Reporting Person may be deemed to have beneficial ownersh…

Original filing · 0001315098-26-000188
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