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ADPT insider trading — Adaptive Biotechnologies Corp

Over the last 90 days, insiders at Adaptive Biotechnologies Corp (ADPT) made 0 open-market purchases worth $0 and 5 open-market sales worth $19.02M, making them net sellers by $19.02M. The largest sale was by Robins Chad M (CEO and Chairman), who sold 321,324 shares for $8.06M on Aug 17, 2026.

Updated Oct 16, 2026.

Insider buying · 90d
$0
Insider selling · 90d
$19.02M
Net · 90d
−$19.02M
Last 30 days
0B / 0S

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Recent ADPT insider transactions

Every Form 4 filed by Adaptive Biotechnologies Corp officers, directors and 10% owners in the last 90 days, newest first. P = open-market purchase, S = open-market sale; other codes are awards, option exercises, tax withholding or gifts.

Trade dateInsiderRoleTypeOwnershipSharesPriceValueFiling
Oct 16, 2026Rubinstein JuliePresident and COOM · Option exercise · 10b5-1Direct11,881$12.14$144KForm 4
Oct 16, 2026Rubinstein JuliePresident and COOS · Sale · 10b5-1Direct11,881$24.24$288KForm 4
Oct 15, 2026Rubinstein JuliePresident and COOM · Option exercise · 10b5-1Direct11,881$12.14$144KForm 4
Oct 15, 2026Rubinstein JuliePresident and COOS · Sale · 10b5-1Direct11,881$25.61$304KForm 4
Oct 14, 2026Rubinstein JuliePresident and COOM · Option exercise · 10b5-1Direct11,881$12.14$144KForm 4
Oct 14, 2026Rubinstein JuliePresident and COOS · Sale · 10b5-1Direct11,881$25.68$305KForm 4
Oct 13, 2026Rubinstein JuliePresident and COOM · Option exercise · 10b5-1Direct11,881$12.14$144KForm 4
Oct 13, 2026Rubinstein JuliePresident and COOS · Sale · 10b5-1Direct11,881$25.50$303KForm 4
Oct 12, 2026Rubinstein JuliePresident and COOM · Option exercise · 10b5-1Direct11,881$12.14$144KForm 4
Oct 12, 2026Rubinstein JuliePresident and COOS · Sale · 10b5-1Direct11,881$25.51$303KForm 4
Oct 9, 2026Rubinstein JuliePresident and COOM · Option exercise · 10b5-1Direct11,881$12.14$144KForm 4
Oct 9, 2026Rubinstein JuliePresident and COOS · Sale · 10b5-1Direct11,881$26.41$314KForm 4
Oct 8, 2026Rubinstein JuliePresident and COOM · Option exercise · 10b5-1Direct11,881$12.14$144KForm 4
Oct 8, 2026Rubinstein JuliePresident and COOS · Sale · 10b5-1Direct11,881$25.66$305KForm 4
Oct 7, 2026Rubinstein JuliePresident and COOM · Option exercise · 10b5-1Direct11,881$12.14$144KForm 4
Oct 7, 2026Rubinstein JuliePresident and COOS · Sale · 10b5-1Direct11,881$26.40$314KForm 4
Oct 6, 2026Rubinstein JuliePresident and COOM · Option exercise · 10b5-1Direct11,881$12.14$144KForm 4
Oct 6, 2026Rubinstein JuliePresident and COOS · Sale · 10b5-1Direct11,881$27.75$330KForm 4
Oct 6, 2026Bobulsky SusanChief Commercial Officer, MRDS · Sale · 10b5-1Direct6,444$30.00$193KForm 4
Oct 5, 2026Rubinstein JuliePresident and COOM · Option exercise · 10b5-1Direct11,881$12.14$144KForm 4
Oct 5, 2026Rubinstein JuliePresident and COOS · Sale · 10b5-1Direct11,881$29.19$347KForm 4
Oct 2, 2026Rubinstein JuliePresident and COOM · Option exercise · 10b5-1Direct11,881$12.14$144KForm 4
Oct 2, 2026Rubinstein JuliePresident and COOS · Sale · 10b5-1Direct11,881$28.13$334KForm 4
Oct 1, 2026Rubinstein JuliePresident and COOM · Option exercise · 10b5-1Direct11,881$12.14$144KForm 4
Oct 1, 2026Rubinstein JuliePresident and COOS · Sale · 10b5-1Direct11,881$28.05$333KForm 4
Oct 1, 2026Lo FrancisChief People OfficerM · Option exercise · 10b5-1Direct26,792$6.78$182KForm 4
Oct 1, 2026Lo FrancisChief People OfficerS · Sale · 10b5-1Direct26,792$28.28$758KForm 4
Sep 16, 2026Lo FrancisChief People OfficerM · Option exercise · 10b5-1Direct105,560$9.57$1.01MForm 4
Sep 16, 2026Lo FrancisChief People OfficerS · Sale · 10b5-1Direct115,406$28.06$3.24MForm 4
Sep 15, 2026Bobulsky SusanChief Commercial Officer, MRDS · Sale · 10b5-1Direct1,195$27.00$32KForm 4
Aug 31, 2026Owen Katey EinterzDirectorG · GiftDirect12,539——Form 4
Aug 26, 2026Owen Katey EinterzDirectorS · SaleDirect9,615$26.00$250KForm 4
Aug 18, 2026Hershberg RobertDirectorM · Option exerciseDirect15,000$6.32$95KForm 4
Aug 18, 2026Hershberg RobertDirectorS · SaleDirect30,664$24.40$748KForm 4
Aug 18, 2026Robins Chad MCEO and ChairmanM · Option exerciseDirect278,676$6.55$1.83MForm 4
Aug 18, 2026Robins Chad MCEO and ChairmanS · SaleDirect278,676$24.48$6.82MForm 4
Aug 17, 2026Robins Chad MCEO and ChairmanM · Option exerciseDirect321,324$6.55$2.10MForm 4
Aug 17, 2026Robins Chad MCEO and ChairmanS · SaleDirect321,324$25.08$8.06MForm 4
Aug 17, 2026Neupert Peter MDirectorM · Option exerciseDirect15,000$6.32$95KForm 4
Aug 17, 2026Neupert Peter MDirectorS · SaleDirect124,690$25.15$3.14MForm 4
Aug 10, 2026Bobulsky SusanChief Commercial Officer, MRDS · Sale · 10b5-1Direct3,000$25.00$75KForm 4
Jul 30, 2026Bobulsky SusanChief Commercial Officer, MRDS · Sale · 10b5-1Direct1,299$24.00$31KForm 4
Jul 21, 2026Robins Harlan SChief Scientific OfficerM · Option exercise · 10b5-1Direct284,800$6.55$1.87MForm 4
Jul 21, 2026Robins Harlan SChief Scientific OfficerS · Sale · 10b5-1Direct492,400$21.89$10.78MForm 4
Jul 16, 2026Bobulsky SusanChief Commercial Officer, MRDS · Sale · 10b5-1Direct5,000$23.00$115KForm 4

ADPT insider trading FAQ

Are insiders buying ADPT stock?

Not on the open market. In the last 90 days, Adaptive Biotechnologies Corp insiders made no open-market purchases, and 5 open-market sales totaling $19.02M. Purchases with the insider's own money are generally seen as a stronger signal than sales, which happen for many reasons (taxes, diversification, planned 10b5-1 sales).

Who are the insiders trading ADPT?

Recent sellers: Hershberg Robert, Neupert Peter M, Owen Katey Einterz, Robins Chad M.

Where does ADPT insider trading data come from?

Every transaction comes from SEC Form 4 filings on EDGAR. Company officers, directors and 10% owners must file a Form 4 within two business days of buying or selling. InsiderBolt reads these filings directly from the SEC.

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Insider trading data is for informational purposes only and is not investment advice. Filings can be amended; always confirm details on SEC EDGAR.