SEC Form 4 reporting owner

Piskel Kyle

Piskel Kyle has filed 9 Form 4 transactions reported between November 28, 2025 and May 18, 2026, as Chief Financial Officer of Adaptive Biotechnologies Corp.

Name as filed: PISKEL KYLE

Open-market buys, 24 mo

None

reported

Open-market sales, 24 mo

$3.5M

3 lines

Companies

with Form 4 filings

Latest transaction

May 18, 2026

transaction date

Roles and reported holdings

ADPTAdaptive Biotechnologies Corp
Nov 28, 2025 – May 18, 2026
Chief Financial Officer
Held directly256,725 sh as of May 18, 2026 · Form 4
24 months: $3.5M sold

Transaction history

All 9 reported transactions, newest first. Every row links to the Form 4 on SEC EDGAR.

Date	Company	Type	Shares	Price	Value	Owned after	Filing
May 18, 2026	ADPTChief Financial Officer	Open-market saleCode S · direct	3,115	$13.04	$41K@ $13.04	256,725	Form 4
Mar 11, 2026	ADPTChief Financial Officer	Open-market saleCode S · direct	18,672	$13.17	$246K@ $13.17	259,840	Form 4
Mar 4, 2026	ADPTChief Financial Officer	Grant or awardCode A · direct	61,875	—	—	278,512	Form 4
Feb 4, 2026	ADPTChief Financial Officer	Option exerciseCode M · direct	2,145	$12.14	$26K@ $12.14	218,782	Form 4
Jan 12, 2026	ADPTChief Financial Officer	Option exerciseCode M · direct	4,290	$12.14	$52K@ $12.14	220,927	Form 4
Nov 28, 2025	ADPTChief Financial Officer	Open-market saleCode S · direct	162,820	$19.50	$3.2M@ $19.50	216,637	Form 4
Nov 28, 2025	ADPTChief Financial Officer	Option exerciseCode M · direct	94,384	$12.14	$1.1M@ $12.14	379,457	Form 4
Nov 28, 2025	ADPTChief Financial Officer	Option exerciseCode M · direct	3,750	$7.80	$29K@ $7.80	285,073	Form 4
Nov 28, 2025	ADPTChief Financial Officer	Option exerciseCode M · direct	11,980	$6.55	$78K@ $6.55	281,323	Form 4

How this page is built

Every row comes from a Form 4 filed with the SEC, which officers, directors and holders of more than 10% of a company’s stock must file within two business days of a trade. Transactions are grouped by the reporting owner’s name as filed (spacing, capitals and punctuation ignored); two different people filing under an identical name would appear together, and one person filing under two spellings appears on two pages.

Open-market totals count code P purchases and code S sales over the last 24 months. The same trade reported on more than one filing is counted once; when another owner (for example a fund and its general partner) reports the identical trade, they are listed beside it. Holdings are the shares owned after the latest purchase, sale, gift or tax-withholding line, shown separately for direct and indirect ownership; an indirect figure is one holding line, not a total across every trust or entity.

This page describes what was filed with the SEC; it is not investment advice or a recommendation to buy or sell any security.