Transaction · 0001780649-26-000001

ROBINS CHAD M

ROBINS CHAD M, CHAIR, reported an open-market or private sale at Adaptive Biotechnologies Corp involving 124998.000000 shares for an estimated $1948718.82. Reported holdings after the transaction were 2584243.000000 shares. The stored filing text includes a detected 10b5-1 reference.

Open-market sellSEC transaction code SCHAIR
ADPTAdaptive Biotechnologies Corp
Filing timeJan 08
Trade dateJan 05, 2026
Filing · SECView on SEC
InsiderProfile

Price performance since filing

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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 2026-01-08Filed 240 days ago · 30 days of 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
0001780649-26-000001
Common Stock
Transaction date
Jan 05, 2026
Filed Jan 08, 2026, 01:30 AM · 3d delay
Shares
124k sh
$1.55k per share
Estimated value
-$194M
Computed from shares × price
Holdings after
2.58M sh
Direct

Filing signal explanations

Badges describe filing facts only — not predictions.

Cluster 14dRepeat 30dPattern $10.0MLarge $100M
Cluster Selling Direct Ownership Large Sale 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

CEO and Chairman

Officer YesDirector Yes10% 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 August 11, 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 $15.31 to $15.96, inclusive. The reporting person undertakes…

Original filing · 0001780649-26-000001
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