Transaction · 0001315098-26-000184

Reinstra Mark

Reinstra Mark, CLO, CS, reported an open-market or private sale at Roblox Corp involving 100.000000 shares for an estimated $4573.00. Reported holdings after the transaction were 392291.000000 shares. The stored filing text includes a detected 10b5-1 reference.

Open-market sellSEC transaction code SCLO, CS
RBLXRoblox Corp
Trade date
Sep 08, 2026
Filing date
Sep 09, 2026
View on SEC Insider profile
Estimated value-$4.57kShares × reported price
Shares traded100$45.73 per share
Holdings after392kDirect
% of reported position traded0.03%This security and ownership context
How reported position traded is calculated

Shares sold ÷ (holdings after + shares sold). Estimated position before: 392,391 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.

RBLX price since this filing

Daily closing prices, with the filing date and available return windows
RBLX · Daily closing priceLoading daily prices…
Filing dateReturn windows appear as prices become available.
Pre-filing1mo ago -15.1%1w ago -8.6%1d ago -2.7%
Returns since7d +6.5%30d +8.0%90d180d1y

Transaction facts

Stored Form 4 columns with their raw values

Non-derivative
Type
Sell
Code S
Identifier
0001315098-26-000184
Class A Common Stock
Transaction date
Sep 08, 2026
Filed Sep 09, 2026, 11:28 PM · 1d delay
Shares
100 sh
$45.73 per share
Estimated value
-$4.57k
Computed from shares × price
Holdings after
392,291 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
Filing-only score

0 points

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.

How this score is calculated
  • direct_ownership+6 points

    direct_or_indirect_ownership = D

    Direct ownership reports the insider's personal stake.
  • timely_filing+4 points

    reporting_delay_days = 1

    Filing reported within two business days of the transaction.
  • tenb5_1_detected-10 points

    is_10b5_1 = true

    Stored filing content includes detected 10b5-1 language.
Read the scoring methodology

Signed filing-only points, not a probability or expected return. Version v1.

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 $43.71 to $44.67, 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 $44.71 to $45.63, 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 · 0001315098-26-000184
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