ROBINS HARLAN S (Chief Scientific Officer) sold 37.7% of their position (492.40K shares) of ADAPTIVE BIOTECHNOLOGIES CORP on the open market
Open‑market sale worth $10.78M — a major position exit. Review remaining holdings and any 10b5‑1 plan disclosures.
S · 2 sales
Filed: 7/23/2026ACC: 0001780851-26-000017
Officer· Chief Scientific Officer
Since Jun 2019
-492.40K
Net shares
Net seller
$10.78M
Total sold
2
Open market trades
0B · 2S
4
Total transactions
284.80K acquired · 777.20K disposed
Non-Derivative Transactions3
Common Stock
Direct
Shares
+284.80K
Price / share
$6.55
Trade value
$1.87M
% of position
27.9%
7/21/2026
1.02M→1.30M
Common Stock
Direct
Shares
−278.70K
Price / share
$21.72
Trade value
$6.05M
% of position
21.4%
7/21/2026
1.30M→1.03M
Common Stock
Direct
Shares
−213.70K
Price / share
$22.12
Trade value
$4.73M
% of position
20.8%
7/21/2026
1.03M→812.06K
Total
Net shares
−207.60K
Net value
-$8.91M
| Security | Date | Type | Shares | Price / Share | Trade Value | % of Position | Held Before | Held After |
|---|---|---|---|---|---|---|---|---|
| Common Stock Direct | 7/21/2026 | M · Option Exercise | +284.80K | $6.55 | $1.87M | 27.9% | 1.02M | 1.30M |
| Common Stock Direct | 7/21/2026 | S · Sale | −278.70K | $21.72 | $6.05M | 21.4% | 1.30M | 1.03M |
| Common Stock Direct | 7/21/2026 | S · Sale | −213.70K | $22.12 | $4.73M | 20.8% | 1.03M | 812.06K |
| Total | −207.60K | -$8.91M | ||||||
Derivative Transactions1
Stock Option (right to buy)
Direct
Converts to
Common Stock
284.80K shares
Shares
−284.80K
Strike price
6.55
Held after
0.00
Exercisable
—
7/21/2026
| Security | Converts To | Date | Type | Shares | Strike Price | Exercisable | Held After |
|---|---|---|---|---|---|---|---|
| Stock Option (right to buy) Direct | Common Stock284.80K shares | 7/21/2026 | M · Option Exercise | −284.80K | 6.55 | — | 0.00 |