Transaction · 0001780664-26-000035

RUBINSTEIN JULIE

RUBINSTEIN JULIE, PRES, reported an open-market or private sale at Adaptive Biotechnologies Corp involving 5800.000000 shares for an estimated $165648.00. Reported holdings after the transaction were 377802.000000 shares. The stored filing text includes a detected 10b5-1 reference.

Open-market sellSEC transaction code SPRES
ADPTAdaptive Biotechnologies Corp
Filing timeOct 06
Trade dateOct 01, 2026
Filing · SECView on SEC
InsiderProfile
% of reported position traded1.51%Shares sold ÷ (holdings after + shares sold). Estimated position before: 383,602 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
$29.84
Pre-filing
1mo ago -18.4%1w ago -0.9%1d ago -3.2%
Returns since
7d30d90d180d1y

ADPT price since this filing

30 days of pre-filing context and vertical markers at the filing date plus 7d / 30d / 90d / 180d / 1y afterwards
ADPT since 2026-10-06Filed today · pre-filing context shaded
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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
0001780664-26-000035
Common Stock
Transaction date
Oct 01, 2026
Filed Oct 06, 2026, 12:15 AM · 5d delay
Shares
5.80k sh
$28.56 per share
Estimated value
-$165k
Computed from shares × price
Holdings after
377k 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
-4score
Filing-only score

-4

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

President and COO

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

    The transactions reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 18, 2025.

  2. F2

    The price reported for this transaction is a weighted average price. These shares were sold in multiple transactions at prices ranging from $27.22 to $28.11, inclusive. The reporting person undertakes…

  3. F3

    The price reported for this transaction is a weighted average price. These shares were sold in multiple transactions at prices ranging from $28.22 to $28.83, inclusive. The reporting person undertakes…

  4. F4

    The price reported for this transaction is a weighted average price. These shares were sold in multiple transactions at prices ranging from $27.62 to $28.37, inclusive. The reporting person undertakes…

  5. F5

    The price reported for this transaction is a weighted average price. These shares were sold in multiple transactions at prices ranging from $28.30 to $29.29, inclusive. The reporting person undertakes…

  6. F6

    The price reported for this transaction is a weighted average price. These shares were sold in multiple transactions at prices ranging from $29.32 to $29.82, inclusive. The reporting person undertakes…

  7. F7

    The option is fully vested and exercisable.

Original filing · 0001780664-26-000035
Related transactions

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Same reporting owner
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