CDNA insider buying – CareDx, Inc.
13 insider purchases since 2016 worth $2.0M by 4 different insiders. Last 12 months: 0 purchases, $0. Most recent filing: 2021-11-29.
Mid company Public float $1.0B (latest 10-K, SEC).
Same time range as the chart above - each mark sits under the week of the trade. Circles = purchases (height = price paid, size = amount), red triangles = open-market sales of $50k+. Prices as reported, not adjusted for later stock splits. 11 older purchases (before the 5-year window) are listed in the table below.
Purchases are open-market buys (SEC Form 4, code "P") - insiders paying with their own money. Sales are open-market sales (code "S") of $50,000 or more; many sales are pre-planned (Rule 10b5-1) or made for taxes and diversification. Each row links to the original filing.
Bought, sold, still holding?
| Insider | Bought | First / last buy | Sold since 2016 | Holds now* | Status |
|---|---|---|---|---|---|
| GAGNON NEIL 10% Owner | $1.7M 10× · 557,163 sh | 2016-04-14 2018-04-26 | 1× · $2.9M last 2018-10-31 | 2,048,465 shares as of 2018-11-02 | Sold part |
| Dhingra Ankur CFO | $211,700 1× · 5,000 sh | 2021-11-24 2021-11-24 | – | 38,146 shares as of 2022-03-28 | Holds - never sold |
| Nelles Mitchell J Officer | $40,000 1× · 10,000 sh | 2016-09-26 2016-09-26 | 2× · $573,317 last 2018-07-02 | 85,160 shares as of 2018-07-12 | Sold part |
| TORRES ARTHUR A Director | $28,572 1× · 600 sh | 2021-11-05 2021-11-05 | 1× · $214,650 last 2026-05-14 | 45,149 shares as of 2026-05-18 | Sold part |
* Shares held after the insider's most recent SEC filing for this company (all share classes, direct and indirect). If an insider stops filing, later changes are not known.
Insider buying and selling by year
| Year | Purchases | Bought | Buyers | Sales | Sold |
|---|---|---|---|---|---|
| 2026 | 0 | – | – | 18 | $17.9M |
| 2025 | 0 | – | – | 11 | $3.0M |
| 2024 | 0 | – | – | 5 | $4.6M |
| 2023 | 0 | – | – | 7 | $729,033 |
| 2022 | 0 | – | – | 13 | $4.1M |
| 2021 | 2 | $240,272 | 2 | 36 | $39.7M |
| 2020 | 0 | – | – | 27 | $19.4M |
| 2019 | 0 | – | – | 22 | $18.1M |
| 2018 | 1 | $95,481 | 1 | 10 | $9.1M |
| 2017 | 7 | $532,465 | 1 | 2 | $282,876 |
| 2016 | 3 | $1.1M | 2 | – | – |
Insider purchases
| Filed | Insider | Role | Shares | Avg price | Value | Holdings | Filing |
|---|---|---|---|---|---|---|---|
| 2021-11-29 | Dhingra Ankur | CFO | 5,000 | $42.34 | $211,700 | SEC | |
| 2021-11-09 | TORRES ARTHUR A | Director | 600 | $47.62 | $28,572 | +26.6% | SEC |
| 2018-04-30 | GAGNON NEIL | 10% Owner | 10,136 | $9.42 | $95,481 | +1.1% | SEC |
| 2017-10-06 | GAGNON NEIL | 10% Owner | 10,642 | $4.00 | $42,568 | +1.2% | SEC |
| 2017-09-08 | GAGNON NEIL | 10% Owner | 6,496 | $3.05 | $19,813 | +0.7% | SEC |
| 2017-08-30 | GAGNON NEIL | 10% Owner | 21,448 | $2.77 | $59,411 | +2.4% | SEC |
| 2017-08-28 | GAGNON NEIL | 10% Owner | 35,119 | $2.92 | $102,685 | +4.1% | SEC |
| 2017-06-27 | GAGNON NEIL | 10% Owner | 63,120 | $1.10 | $69,432 | +45.0% | SEC |
| 2017-05-02 | GAGNON NEIL | 10% Owner | 15,116 | $0.89 | $13,453 | +1.8% | SEC |
| 2017-03-20 | GAGNON NEIL | 10% Owner | 123,160 | $1.83 | $225,103 | +16.7% | SEC |
| 2016-10-04 | Nelles Mitchell J | Officer | 10,000 | $4.00 | $40,000 | +18.8% | SEC |
| 2016-09-23 | GAGNON NEIL | 10% Owner | 178,686 | $4.00 | $714,511 | +30.6% | SEC |
| 2016-04-18 | GAGNON NEIL | 10% Owner | 93,240 | $4.02 | $374,744 | +14.8% | SEC |
Insider sales
| Filed | Insider | Role | Shares | Avg price | Value | Type | Filing |
|---|---|---|---|---|---|---|---|
| 2026-11-09 | Kennedy Keith | CFO & COO | -61,961 | $77.82 | $4.8M | Pre-planned (10b5-1) | SEC |
| 2026-08-06 | Novack Jeffrey Adam | Officer | 2,688 | $46.26 | $124,351 | Pre-planned (10b5-1) | SEC |
| 2026-08-06 | Bickerstaff George | Director | 20,000 | $46.29 | $925,800 | Sale | SEC |
| 2026-08-06 | Goldberg Michael | Director | 44,700 | $47.06 | $2.1M | Sale | SEC |
| 2026-08-06 | COURNOYER CHRISTINE | Director | 16,000 | $46.94 | $751,040 | Pre-planned (10b5-1) | SEC |
| 2026-07-17 | Valantine Hannah | Director | 28,779 | $36.14 | $1.0M | Pre-planned (10b5-1) | SEC |
| 2026-07-17 | Hanna John Walter JR | CEO | 118,000 | $37.78 | $4.5M | Pre-planned (10b5-1) | SEC |
| 2026-06-30 | Hanna John Walter JR | CEO | 40,000 | $29.24 | $1.2M | Pre-planned (10b5-1) | SEC |
| 2026-06-17 | Hanna John Walter JR | CEO | 17,683 | $24.03 | $424,922 | Pre-planned (10b5-1) | SEC |
| 2026-06-16 | Valantine Hannah | Director | 12,103 | $23.11 | $279,700 | Pre-planned (10b5-1) | SEC |
| 2026-06-15 | Hanna John Walter JR | CEO | 21,998 | $24.02 | $528,392 | Pre-planned (10b5-1) | SEC |
| 2026-06-08 | Hanna John Walter JR | CEO | 4,835 | $24.00 | $116,040 | Pre-planned (10b5-1) | SEC |
| 2026-05-18 | TORRES ARTHUR A | Director | 10,570 | $20.31 | $214,650 | Sale | SEC |
| 2026-05-06 | Novack Jeffrey Adam | Officer | 2,688 | $20.68 | $55,588 | Sale | SEC |
| 2026-04-20 | Hanna John Walter JR | CEO | 10,282 | $21.12 | $217,156 | Pre-planned (10b5-1) | SEC |
Showing the latest 15 of 151 sales of $50,000+ since 2016.
Compiled automatically from public SEC filings. Not investment advice. Get every new insider purchase in the daily report.
Get every new insider purchase the day it's filed
Daily report with all SEC insider buys, cluster buys, company events and the crypto money-flow radar.
Get started free