Transaction · 0000950142-26-001346

Matrix Capital Management Company, LP

Matrix Capital Management Company, LP, 10%, reported an open-market or private sale at Aura Biosciences, Inc. involving 6922870.000000 shares for an estimated $39044986.80. Reported holdings after the transaction were 0.000000 shares. A 10b5-1 reference was not detected in the stored filing text.

Open-market sellSEC transaction code S10%
AURAAura Biosciences, Inc.
Trade date
May 07, 2026
Filing date
May 11, 2026
View on SEC Insider profile
Disclosed value-$39.0MShares × reported price
Shares traded6.92M$5.64 per share
Holdings after0Indirect · See footnotes
% of reported position traded100%This security and ownership context
How reported position traded is calculated

Shares sold ÷ (holdings after + shares sold). Estimated position before: 6,922,870 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.

AURA price since this filing

Daily closing prices, with the filing date and available return windows
AURA · Daily closing priceLoading daily prices…
Filing dateReturn windows appear as prices become available.
Pre-filing1mo ago1w ago1d ago
Returns since7d30d90d180d1y

Transaction facts

Stored Form 4 columns with their raw values

Non-derivative
Type
Sell
Code S
Identifier
0000950142-26-001346
Common Stock, par value $0.00001 per share (Common Stock)
Transaction date
May 07, 2026
Filed May 11, 2026, 08:16 PM · 4d delay
Shares
6,922,870 sh
$5.64 per share
Estimated value
-$39.0M
Computed from shares × price
Holdings after
0 sh
Indirect · See footnotes

Filing signal explanations

Badges describe filing facts only — not predictions.

Cluster 14dRepeat 30dPattern $100kLarge $1.00M
Cluster Selling Large Sale
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
    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

    No officer title

    Officer NoDirector No10% YesOther No
    Footnotes & amended
    1. F1

      The securities reported herein are held by Matrix Capital Management Master Fund, LP (the "Matrix Fund"). Matrix Capital Management Company, LP (the "Investment Manager"), a Delaware limited partnersh…

    2. F2

      The filing of this statement shall not be deemed an admission that either of the Reporting Persons is the beneficial owner of the securities reported herein for purposes of Section 16 of the Securitie…

    Original filing · 0000950142-26-001346
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