Adaptive Biotechnologies Corp (ADPT) insider trading.
In Q3 2026, insiders at Adaptive Biotechnologies Corp reported 46 non-derivative transactions on 15 Forms 3, 4 and 5: 0 open-market purchases and 25 sales worth $46.3M.
- Transactions
- 46
- Purchases (P)
- 0
- Sales (S)
- 25
- Net shares, P minus S
- -1,971,600
- Insiders
- 7
- Last filed
- 2026-09-18
Insiders
| Insider | Relationship | Transactions | Buys | Sales |
|---|---|---|---|---|
| Lo Francis | Officer · Chief People Officer | 21 | 0 | 6 |
| Robins Chad M | Director, Officer · CEO and Chairman | 6 | 0 | 4 |
| Bobulsky Susan | Officer · Chief Commercial Officer, MRD | 5 | 0 | 5 |
| Robins Harlan S | Officer · Chief Scientific Officer | 5 | 0 | 4 |
| Neupert Peter M | Director | 4 | 0 | 3 |
| Hershberg Robert | Director | 3 | 0 | 2 |
| Owen Katey Einterz | Director | 2 | 0 | 1 |
Transactions
| Date | Insider | Code | Shares | Price | Owned after | Filing |
|---|---|---|---|---|---|---|
| 2026-09-16 | Lo Francis | S (D) | 107,537 | $28.02 | 228,736 | Form 4 |
| 2026-09-16 | Lo Francis | M (A) | 53,091 | $12.14 | 283,804 | Form 4 |
| 2026-09-16 | Lo Francis | M (A) | 13,398 | $8.46 | 297,202 | Form 4 |
| 2026-09-16 | Lo Francis | M (A) | 23,442 | $8.12 | 336,273 | Form 4 |
| 2026-09-16 | Lo Francis | S (D) | 7,869 | $28.57 | 220,867 | Form 4 |
| 2026-09-16 | Lo Francis | M (A) | 15,629 | $3.99 | 312,831 | Form 4 |
| 2026-09-15 | Bobulsky Susan | S (D) | 1,195 | $27 | 395,794 | Form 4 |
| 2026-08-31 | Owen Katey Einterz | G (D) | 12,539 | — | 66,100 | Form 4 |
| 2026-08-26 | Owen Katey Einterz | S (D) | 9,615 | $26 | 78,639 | Form 4 |
| 2026-08-18 | Hershberg Robert | S (D) | 15,000 | $24.39 | 62,347 | Form 4 |
| 2026-08-18 | Hershberg Robert | S (D) | 15,664 | $24.41 | 46,683 | Form 4 |
| 2026-08-18 | Hershberg Robert | M (A) | 15,000 | $6.32 | 77,347 | Form 4 |
| 2026-08-18 | Robins Chad M | M (A) | 278,676 | $6.55 | 2,459,194 | Form 4 |
| 2026-08-18 | Robins Chad M | S (D) | 204 | $25.14 | 2,180,518 | Form 4 |
| 2026-08-18 | Robins Chad M | S (D) | 278,472 | $24.48 | 2,180,722 | Form 4 |
| 2026-08-17 | Neupert Peter M | S (D) | 69,690 | $25.16 | 130,625 | Form 4 |
| 2026-08-17 | Neupert Peter M | S (D) | 40,000 | $25.1 | 200,315 | Form 4 |
| 2026-08-17 | Neupert Peter M | S (D) | 15,000 | $25.23 | 240,315 | Form 4 |
| 2026-08-17 | Neupert Peter M | M (A) | 15,000 | $6.32 | 255,315 | Form 4 |
| 2026-08-17 | Robins Chad M | S (D) | 2,525 | $25.57 | 2,180,518 | Form 4 |
| 2026-08-17 | Robins Chad M | M (A) | 321,324 | $6.55 | 2,501,842 | Form 4 |
| 2026-08-17 | Robins Chad M | S (D) | 318,799 | $25.08 | 2,183,043 | Form 4 |
| 2026-08-10 | Bobulsky Susan | S (D) | 3,000 | $25 | 396,989 | Form 4 |
| 2026-07-30 | Bobulsky Susan | S (D) | 1,299 | $24 | 399,989 | Form 4 |
| 2026-07-21 | Robins Harlan S | S (D) | 213,702 | $22.12 | 812,058 | Form 4 |
| 2026-07-21 | Robins Harlan S | S (D) | 278,698 | $21.72 | 1,025,760 | Form 4 |
| 2026-07-21 | Robins Harlan S | M (A) | 284,800 | $6.55 | 1,304,458 | Form 4 |
| 2026-07-16 | Bobulsky Susan | S (D) | 5,000 | $23 | 401,288 | Form 4 |
| 2026-07-15 | Lo Francis | M (A) | 23,677 | $12.14 | 313,764 | Form 4 |
| 2026-07-15 | Lo Francis | M (A) | 59,374 | $7.8 | 290,087 | Form 4 |
| 2026-07-15 | Lo Francis | M (A) | 22,711 | $8.46 | 336,475 | Form 4 |
| 2026-07-15 | Lo Francis | S (D) | 105,762 | $22.59 | 230,713 | Form 4 |
| 2026-07-02 | Robins Harlan S | S (D) | 239,351 | $21.74 | 1,166,547 | Form 4 |
| 2026-07-02 | Robins Harlan S | S (D) | 146,889 | $22.45 | 1,019,658 | Form 4 |
| 2026-07-02 | Lo Francis | S (D) | 44,838 | $22.59 | 230,713 | Form 4 |
| 2026-07-02 | Lo Francis | M (A) | 12,637 | $8.46 | 275,551 | Form 4 |
| 2026-07-02 | Lo Francis | M (A) | 12,600 | $12.14 | 262,914 | Form 4 |
| 2026-07-02 | Lo Francis | M (A) | 12,626 | $7.8 | 250,314 | Form 4 |
| 2026-07-01 | Lo Francis | M (A) | 3,300 | $12.14 | 257,734 | Form 4 |
| 2026-07-01 | Lo Francis | M (A) | 3,500 | $7.8 | 254,434 | Form 4 |
| 2026-07-01 | Lo Francis | M (A) | 12,206 | $8.46 | 269,940 | Form 4 |
| 2026-07-01 | Lo Francis | M (A) | 4,688 | $3.99 | 274,628 | Form 4 |
| 2026-07-01 | Lo Francis | M (A) | 14,064 | $8.12 | 288,692 | Form 4 |
| 2026-07-01 | Lo Francis | S (D) | 8,743 | $22.18 | 279,949 | Form 4 |
| 2026-07-01 | Lo Francis | S (D) | 42,261 | $22.5 | 237,688 | Form 4 |
| 2026-07-01 | Bobulsky Susan | S (D) | 487 | $22 | 406,288 | Form 4 |
Transaction codes in this quarter
Get ADPT insider transactions through the API
curl "https://sec-api.dev/api/v1/insider-transactions?period=2026q3&cik=1478320&limit=100" \
-H "Authorization: Bearer $SEC_API_KEY"Insider trading API guide · ADPT company page · Adaptive Biotechnologies Corp on SEC.gov
Questions
Are insiders buying or selling Adaptive Biotechnologies Corp (ADPT)?
In Q3 2026, insiders at Adaptive Biotechnologies Corp reported 46 non-derivative transactions on 15 Forms 3, 4 and 5: 0 open-market purchases and 25 sales worth $46.3M. Grants, tax withholding and option exercises are counted as transactions but are not purchases or sales.
Where do these Adaptive Biotechnologies Corp insider trades come from?
From the SEC Insider Transactions Data Sets for Q3 2026, which republish the Forms 3, 4 and 5 filed on EDGAR. Each row links to its filing on SEC.gov.
Plain-text version for agents and LLMs: /insider-trading/adpt.md
Independent. Not affiliated with, endorsed by, or sponsored by the U.S. Securities and Exchange Commission. Data is reproduced from public SEC filings and datasets. Not investment advice.