RUBINSTEIN JULIE

PrivateCIK: 1780664
Location

SEATTLE, WA

RUBINSTEIN JULIE (President) sold 10.4% of their position (57.18K shares) of ADAPTIVE BIOTECHNOLOGIES CORP on the open market

Open‑market sale worth $762.2K — a moderate reduction. Review remaining holdings and any 10b5‑1 plan disclosures.

S · 3 sales
InsiderRUBINSTEIN JULIECIK 1780664
Officer· President
Since Jun 2019
-57.18K
Net shares
Net seller
$762.2K
Total sold
3
Open market trades
0B · 3S
9
Total transactions
44.17K acquired · 101.35K disposed
Non-Derivative Transactions6

Common Stock

Direct
M · Option Exercise

Shares

+14.72K

Price / share

$6.55

Trade value

$96.43K

% of position

2.9%
3/16/2026
507.93K522.66K

Common Stock

Direct
S · Sale

Shares

19.06K

Price / share

$13.41

Trade value

$255.59K

% of position

3.6%
3/16/2026
522.66K503.60K

Common Stock

Direct
M · Option Exercise

Shares

+14.72K

Price / share

$6.55

Trade value

$96.43K

% of position

2.9%
3/17/2026
503.60K518.32K

Common Stock

Direct
S · Sale

Shares

19.06K

Price / share

$13.40

Trade value

$255.40K

% of position

3.7%
3/17/2026
518.32K499.26K

Common Stock

Direct
M · Option Exercise

Shares

+14.72K

Price / share

$6.55

Trade value

$96.43K

% of position

2.9%
3/18/2026
499.26K513.98K

Common Stock

Direct
S · Sale

Shares

19.06K

Price / share

$13.18

Trade value

$251.21K

% of position

3.7%
3/18/2026
513.98K494.92K
Total

Net shares

13.01K

Net value

-$472.92K

Derivative Transactions3

Stock Option (right to buy)

Direct
M · Option Exercise
Converts to

Common Stock

14.72K shares

Shares

14.72K

Strike price

6.55

Held after

48.10K

Exercisable

3/16/2026

Stock Option (right to buy)

Direct
M · Option Exercise
Converts to

Common Stock

14.72K shares

Shares

14.72K

Strike price

6.55

Held after

33.38K

Exercisable

3/17/2026

Stock Option (right to buy)

Direct
M · Option Exercise
Converts to

Common Stock

14.72K shares

Shares

14.72K

Strike price

6.55

Held after

18.66K

Exercisable

3/18/2026
RUBINSTEIN JULIE — Insider Transaction (Form 4) Filed Mar 18, 2026 | Finecho