Adaptive Biotechnologies Corp (ADPT): Congress and insider trades
Who in Congress and inside the company traded ADPT, when each filing appeared, and what buying after each one would have earned against the S&P 500.
Key Facts
- Adaptive Biotechnologies Corp (ADPT) is a listed stock on NASDAQ.
- 1 member of Congress filed 1 buy and 0 sells of ADPT, the latest published 2022-03-11 (11 March 2022).
- Insiders filed 0 open market buys worth $0 and 60 sells worth $62M, the latest filed 2026-08-28 (28 August 2026).
- Across 1 scored buy, Congress averaged -24.9% against the S&P 500 (SPY) over the 90 days after disclosure, with 0% of them ahead of the index. That result is too few trades to tell.
- Data as of 2026-09-29 (29 September 2026).
Congress buys 1 1 members
Congress sells 0
Insider buys 0 $0
Insider sells 60 $62M
Congress buys vs S&P, 90d -24.9% 1 scored buys
Insider buys vs S&P, 90d n/a 0 scored buys
Congress trades in ADPT
as of 2022-03-11| Filed | Member | Type | Size | Days to file | 90 day vs S&P |
|---|---|---|---|---|---|
| 11 Mar 2022 | Ro Khanna (D-CA) | buy | 1Kâ15K | 22 | -24.9% |
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Insider trades in ADPT
as of 2026-08-28| Filed | Insider | Type | Shares | Price | Value | 90 day vs S&P |
|---|---|---|---|---|---|---|
| 28 Aug 2026 | OWEN KATEY EINTERZ | sell | 9,615 | $26.00 | $250K | n/a |
| 20 Aug 2026 | HERSHBERG ROBERT | sell | 30,664 | $24.40 | $748K | n/a |
| 19 Aug 2026 | ROBINS CHAD M | sell | 278,676 | $24.48 | $6.8M | n/a |
| 19 Aug 2026 | NEUPERT PETER M | sell | 124,690 | $25.15 | $3.1M | n/a |
| 19 Aug 2026 | ROBINS CHAD M | sell | 321,324 | $25.08 | $8.1M | n/a |
| 12 Aug 2026 | BOBULSKY SUSAN | sell | 3,000 | $25.00 | $75.0K | n/a |
| 3 Aug 2026 | BOBULSKY SUSAN | sell | 1,299 | $24.00 | $31.2K | n/a |
| 23 Jul 2026 | ROBINS HARLAN S | sell | 492,400 | $21.89 | $11M | n/a |
| 20 Jul 2026 | BOBULSKY SUSAN | sell | 5,000 | $23.00 | $115K | n/a |
| 17 Jul 2026 | LO FRANCIS | sell | 105,762 | $22.59 | $2.4M | n/a |
| 7 Jul 2026 | ROBINS HARLAN S | sell | 386,240 | $22.01 | $8.5M | n/a |
| 6 Jul 2026 | LO FRANCIS | sell | 44,838 | $22.59 | $1.0M | n/a |
| 6 Jul 2026 | LO FRANCIS | sell | 51,004 | $22.45 | $1.1M | n/a |
| 6 Jul 2026 | BOBULSKY SUSAN | sell | 487 | $22.00 | $10.7K | n/a |
| 30 Jun 2026 | BENZENO SHARON | sell | 154,768 | $21.14 | $3.3M | n/a |
| 30 Jun 2026 | BENZENO SHARON | sell | 11,034 | $21.00 | $232K | n/a |
| 17 Jun 2026 | ROBINS HARLAN S | sell | 6,160 | $18.01 | $111K | n/a |
| 17 Jun 2026 | ROBINS HARLAN S | sell | 100,000 | $17.37 | $1.7M | n/a |
| 15 Jun 2026 | BOBULSKY SUSAN | sell | 5,000 | $19.00 | $95.0K | n/a |
| 8 Jun 2026 | LO FRANCIS | sell | 39,741 | $17.49 | $695K | n/a |
| 8 Jun 2026 | BOBULSKY SUSAN | sell | 11,000 | $18.00 | $198K | n/a |
| 20 May 2026 | PISKEL KYLE | sell | 3,115 | $13.04 | $40.6K | n/a |
| 29 Apr 2026 | RUBINSTEIN JULIE | sell | 19,037 | $14.23 | $271K | n/a |
| 24 Apr 2026 | RUBINSTEIN JULIE | sell | 19,060 | $13.74 | $262K | n/a |
| 24 Apr 2026 | RUBINSTEIN JULIE | sell | 19,060 | $14.13 | $269K | n/a |
| 24 Apr 2026 | RUBINSTEIN JULIE | sell | 19,060 | $14.02 | $267K | n/a |
| 21 Apr 2026 | RUBINSTEIN JULIE | sell | 19,060 | $14.55 | $277K | n/a |
| 21 Apr 2026 | RUBINSTEIN JULIE | sell | 30,941 | $14.66 | $454K | n/a |
| 21 Apr 2026 | RUBINSTEIN JULIE | sell | 19,060 | $14.57 | $278K | n/a |
| 16 Apr 2026 | RUBINSTEIN JULIE | sell | 19,060 | $14.18 | $270K | n/a |
| 16 Apr 2026 | RUBINSTEIN JULIE | sell | 19,060 | $14.61 | $278K | n/a |
| 16 Apr 2026 | RUBINSTEIN JULIE | sell | 19,060 | $14.56 | $278K | n/a |
| 13 Apr 2026 | RUBINSTEIN JULIE | sell | 19,060 | $13.15 | $251K | n/a |
| 13 Apr 2026 | RUBINSTEIN JULIE | sell | 19,060 | $12.77 | $243K | n/a |
| 13 Apr 2026 | RUBINSTEIN JULIE | sell | 19,060 | $13.86 | $264K | n/a |
| 10 Apr 2026 | ROBINS HARLAN S | sell | 10,000 | $14.85 | $149K | n/a |
| 10 Apr 2026 | LO FRANCIS | sell | 22,564 | $15.07 | $340K | n/a |
| 8 Apr 2026 | ROBINS CHAD M | sell | 83,332 | $14.41 | $1.2M | n/a |
| 8 Apr 2026 | RUBINSTEIN JULIE | sell | 19,060 | $13.56 | $258K | n/a |
| 8 Apr 2026 | RUBINSTEIN JULIE | sell | 30,941 | $14.83 | $459K | n/a |
| 8 Apr 2026 | RUBINSTEIN JULIE | sell | 19,060 | $14.33 | $273K | n/a |
| 8 Apr 2026 | ROBINS CHAD M | sell | 37,263 | $15.19 | $566K | n/a |
| 2 Apr 2026 | RUBINSTEIN JULIE | sell | 19,060 | $14.60 | $278K | n/a |
| 2 Apr 2026 | RUBINSTEIN JULIE | sell | 19,060 | $14.45 | $275K | n/a |
| 31 Mar 2026 | RUBINSTEIN JULIE | sell | 19,060 | $13.34 | $254K | n/a |
| 31 Mar 2026 | RUBINSTEIN JULIE | sell | 19,060 | $13.45 | $256K | n/a |
| 31 Mar 2026 | RUBINSTEIN JULIE | sell | 19,060 | $12.63 | $241K | n/a |
| 26 Mar 2026 | RUBINSTEIN JULIE | sell | 19,060 | $14.27 | $272K | n/a |
| 26 Mar 2026 | RUBINSTEIN JULIE | sell | 19,060 | $14.12 | $269K | n/a |
| 26 Mar 2026 | RUBINSTEIN JULIE | sell | 19,060 | $13.70 | $261K | n/a |
| 23 Mar 2026 | RUBINSTEIN JULIE | sell | 19,060 | $13.37 | $255K | n/a |
| 23 Mar 2026 | RUBINSTEIN JULIE | sell | 19,060 | $13.18 | $251K | n/a |
| 23 Mar 2026 | RUBINSTEIN JULIE | sell | 19,060 | $13.83 | $264K | n/a |
| 18 Mar 2026 | RUBINSTEIN JULIE | sell | 19,060 | $13.18 | $251K | n/a |
| 18 Mar 2026 | RUBINSTEIN JULIE | sell | 19,060 | $13.41 | $256K | n/a |
| 18 Mar 2026 | RUBINSTEIN JULIE | sell | 19,060 | $13.40 | $255K | n/a |
| 10 Mar 2026 | RUBINSTEIN JULIE | sell | 30,941 | $14.79 | $458K | n/a |
| 10 Mar 2026 | RUBINSTEIN JULIE | sell | 19,460 | $14.68 | $286K | n/a |
| 10 Mar 2026 | RUBINSTEIN JULIE | sell | 30,941 | $15.14 | $468K | n/a |
| 9 Mar 2026 | LO FRANCIS | sell | 38,074 | $15.09 | $575K | n/a |
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Related pages
Frequently asked questions
Who has bought ADPT?
1 Congress buy by 1 member and 0 insider buys are on file. The tables on this page list every one.
Did buying ADPT after a disclosure beat the market?
Across 1 scored buy, Congress averaged -24.9% against the S&P 500 (SPY) over the 90 days after disclosure, with 0% of them ahead of the index. That result is too few trades to tell. A single stock is a small sample.
Sources: Congressional trades: STOCK Act disclosures, collected from CapitolTrades. Insider trades: SEC Form 4 filings, collected from Finviz. Prices: Yahoo Finance daily adjusted closes. Data as of 2026-09-29 (29 September 2026). About these sources.
Not investment advice. Past disclosed trades do not predict future returns. Disclosures are published late, so the trades shown are ones you could only have copied after the fact. Talk to a licensed adviser before you invest.