Robins Chad M

CEO and Chairman, DirectorAdaptive Biotechnologies Corp (ADPT) · full profile →Form 4 · filed Aug 20, 2026
Net Selling
Open-Market Buys
$0
Open-Market Sells
$14.9M
Net Open-Market Flow
-$14.9M
Transactions
8
6 non-derivative · 2 derivative

Non-Derivative Transactions (Table I)

DateActionSharesPriceValueOwned After
Aug 18, 2026Option exercise(M)279K$6.55$1.8M2.5M
Aug 18, 2026Sell(S)278K$24.48$6.8M2.2M
Aug 18, 2026Sell(S)204$25.14$5K2.2M
Aug 17, 2026Option exercise(M)321K$6.55$2.1M2.5M
Aug 17, 2026Sell(S)319K$25.08$8.0M2.2M
Aug 17, 2026Sell(S)3K$25.57$65K2.2M

Derivative Transactions (Table II)

DateActionSharesPriceValueOwned After
Aug 18, 2026Option exercise(M)279K$00
Aug 17, 2026Option exercise(M)321K$0279K

Transaction Codes

M
Option exercise / conversion
S
Open-market sale

Data Source & Provenance

Parsed from a single SEC EDGAR Form 4 filing (accession 0001780649-26-000014) within minutes of acceptance. Every field above traces to the original document. Verify it directly:

Build

Build on these Form 4 transactions

The public view is the crawlable proof. The same sourced dataset is available through REST and MCP for agents, research scripts, and back-office tools.