Arkolith/Insider Trading/ADPT/Form 4

Rubinstein Julie

President and COOAdaptive Biotechnologies Corp (ADPT) · full profile →Form 4 · filed Apr 21, 2026
Net Selling
Open-Market Buys
$0
Open-Market Sells
$1.0M
Net Open-Market Flow
-$1.0M
Transactions
11
7 non-derivative · 4 derivative

Non-Derivative Transactions (Table I)

DateActionSharesPriceValueOwned After
Apr 21, 2026Option exercise(M)12K$12.14$144K426K
Apr 21, 2026Sell(S)31K$14.66$454K395K
Apr 21, 2026Option exercise(M)15K$8.46$125K414K
Apr 20, 2026Option exercise(M)15K$8.46$125K419K
Apr 20, 2026Sell(S)19K$14.55$277K399K
Apr 17, 2026Option exercise(M)15K$8.46$125K423K
Apr 17, 2026Sell(S)19K$14.57$278K404K

Derivative Transactions (Table II)

DateActionSharesPriceValueOwned After
Apr 21, 2026Option exercise(M)15K—$0105K
Apr 21, 2026Option exercise(M)12K—$0380K
Apr 20, 2026Option exercise(M)15K—$0119K
Apr 17, 2026Option exercise(M)15K—$0134K

Transaction Codes

M
Option exercise / conversion
S
Open-market sale

Data Source & Provenance

Parsed from a single SEC EDGAR Form 4 filing (accession 0001780664-26-000028) within minutes of acceptance. Every field above traces to the original document. Verify it directly:

View original filing on SEC.govRaw Form 4 XML