ADPT Insider Trading
Adaptive Biotechnologies Corp | Biological Products, (No Diagnostic Substances)
Comprehensive Trading Performance Summary
The investment history of corporate insiders at Adaptive Biotechnologies Corp provides a unique lens into the internal conviction of the company's leadership. By analyzing SEC Form 4 filings, investors can track how directors and officers are allocating their own capital. High-conviction buying often signals that management believes the current market price significantly undervalues future growth prospects, while strategic selling might occur for personal liquidity or portfolio diversification. Monitoring these shifts in ownership is essential for understanding the alignment between management and shareholders in the Biological Products, (No Diagnostic Substances) sector.
Transactions on Chart
Open Full Chart| Filing Date | Trade Date | Reporting Person | Relationship | Type | Price | Qty | Total, $ | Owned After | Change, % |
|---|---|---|---|---|---|---|---|---|---|
| 2026-02-07 03:30 | 2026-02-04 | PISKEL KYLE | Officer - Chief Financial Officer | OPT+S | $18.46 | 2,145 | $39,597 | 216,637 | 0.0% |
| 2026-02-05 03:48 | 2026-02-02 | ROBINS HARLAN S | Officer - Chief Scientific Officer | SELL | $18.68 | 42,788 | $799,104 | 1,179,524 | -3.5% |
| 2026-02-05 03:37 | 2026-02-02 | ROBINS CHAD M | Director, Officer - CEO and Chairman | SELL | $18.44 | 124,998 | $2,304,963 | 2,459,245 | -4.8% |
| 2026-01-15 03:42 | 2026-01-12 | LO FRANCIS | Officer - Chief People Officer | OPT+S | $17.73 | 79,590 | $1,411,131 | 315,978 | 0.0% |
| 2026-01-15 03:17 | 2026-01-12 | PISKEL KYLE | Officer - Chief Financial Officer | OPT+S | $18.00 | 4,290 | $77,220 | 216,637 | 0.0% |
| 2026-01-09 04:17 | 2026-01-06 | ROBINS HARLAN S | Officer - Chief Scientific Officer | SELL | $16.44 | 10,000 | $164,400 | 1,222,312 | -0.8% |
| 2026-01-08 04:30 | 2026-01-05 | ROBINS CHAD M | Director, Officer - CEO and Chairman | SELL | $15.59 | 124,998 | $1,948,719 | 2,584,243 | -4.6% |
| 2026-01-07 03:52 | 2026-01-02 | LO FRANCIS | Officer - Chief People Officer | OPT+S | $16.08 | 3,125 | $50,250 | 315,978 | 0.0% |
| 2025-12-30 02:27 | 2025-12-22 | LO FRANCIS | Officer - Chief People Officer | OPT+S | $17.50 | 4,394 | $76,895 | 315,978 | 0.0% |
| 2025-12-18 03:06 | 2025-12-15 | LO FRANCIS | Officer - Chief People Officer | OPT+S | $15.57 | 113,890 | $1,773,267 | 315,978 | 0.0% |
| 2025-12-13 03:11 | 2025-12-10 | HERSHBERG ROBERT | Director | SELL | $16.00 | 22,968 | $367,488 | 46,722 | -33.0% |
| 2025-12-09 04:00 | 2025-12-04 | BENZENO SHARON | Officer - Chief Commercial Ofc Imm Med | OPT+S | $16.85 | 12,604 | $212,377 | 296,791 | 0.0% |
| 2025-12-06 02:30 | 2025-12-03 | ROBINS HARLAN S | Officer - Chief Scientific Officer | SELL | $18.07 | 37,212 | $672,514 | 1,232,312 | -2.9% |
| 2025-12-03 02:45 | 2025-11-28 | PISKEL KYLE | Officer - Chief Financial Officer | OPT+S | $19.50 | 162,820 | $3,174,990 | 216,637 | 0.0% |
| 2025-12-02 03:27 | 2025-11-26 | ROBINS CHAD M | Director, Officer - CEO and Chairman | SELL | $19.10 | 160,734 | $3,070,743 | 2,709,241 | -5.6% |
| 2025-11-25 05:39 | 2025-11-20 | BENZENO SHARON | Officer - Chief Commercial Ofc Imm Med | OPT+S | $16.73 | 606,402 | $10,144,014 | 296,791 | 0.0% |
| 2025-11-19 03:14 | 2025-11-17 | PISKEL KYLE | Officer - Chief Financial Officer | SELL | $14.05 | 238 | $3,344 | 269,343 | -0.1% |
| 2025-11-13 03:30 | 2025-11-10 | ROBINS HARLAN S | Officer - Chief Scientific Officer | SELL | $14.82 | 10,000 | $148,200 | 1,269,524 | -0.8% |
| 2025-11-13 03:19 | 2025-11-10 | ROBINS CHAD M | Director, Officer - CEO and Chairman | SELL | $14.73 | 89,265 | $1,315,177 | 2,869,975 | -3.0% |
| 2025-05-21 02:46 | 2025-05-16 | PISKEL KYLE | Officer - Chief Financial Officer | SELL | $8.89 | 1,929 | $17,149 | 269,581 | -0.7% |
| 2025-05-20 02:59 | 2025-05-16 | PISKEL KYLE | Officer - Chief Financial Officer | SELL | $8.89 | 1,929 | $17,149 | 277,396 | -0.7% |
| 2025-05-06 00:27 | 2025-05-01 | ROBINS HARLAN S | Officer - Chief Scientific Officer | OPT+S | $7.35 | 68,412 | $502,828 | 1,279,524 | 0.0% |
| 2025-03-27 01:48 | 2025-03-24 | ROBINS HARLAN S | Officer - Chief Scientific Officer | OPT+S | $9.00 | 1,698 | $15,282 | 1,279,524 | 0.0% |
| 2025-03-18 02:33 | 2025-03-13 | GRIFFIN MICHELLE RENEE | Director | SELL | $7.19 | 36,291 | $260,932 | 15,394 | -70.2% |
| 2025-03-13 02:48 | 2025-03-12 | HERSHBERG ROBERT | Director | SELL | $7.59 | 53,000 | $402,270 | 69,690 | -43.2% |
| 2025-03-13 02:47 | 2025-03-10 | NEUPERT PETER M | Director | OPT+S | $7.05 | 10,000 | $70,500 | 224,690 | 0.0% |
| 2025-03-07 03:22 | 2025-03-05 | LO FRANCIS | Officer - Chief People Officer | SELL | $6.99 | 20,875 | $145,845 | 332,846 | -5.9% |
| 2025-03-07 03:22 | 2025-03-05 | BOBULSKY SUSAN | Officer - Chief Commercial Officer, MRD | SELL | $6.98 | 26,023 | $181,641 | 347,238 | -7.0% |
| 2025-03-07 03:21 | 2025-03-05 | BENZENO SHARON | Officer - Chief Commercial Ofc Imm Med | SELL | $6.98 | 44,665 | $311,793 | 392,723 | -10.2% |
| 2025-03-07 03:20 | 2025-03-05 | PISKEL KYLE | Officer - Chief Financial Officer | SELL | $6.98 | 10,320 | $72,072 | 269,010 | -3.7% |
| 2025-03-07 03:19 | 2025-03-05 | RUBINSTEIN JULIE | Officer - President and COO | SELL | $6.98 | 59,505 | $415,541 | 588,249 | -9.2% |
| 2025-03-07 03:18 | 2025-03-05 | ROBINS HARLAN S | Officer - Chief Scientific Officer | SELL | $6.99 | 96,656 | $675,219 | 1,279,524 | -7.0% |
| 2025-03-07 03:17 | 2025-03-05 | ROBINS CHAD M | Director, Officer - CEO and Chairman | SELL | $7.29 | 219,569 | $1,600,416 | 2,959,249 | -6.9% |
| 2025-03-07 03:14 | 2025-03-06 | GRIFFIN MICHELLE RENEE | Director | SELL | $7.94 | 15,664 | $124,372 | 51,685 | -23.3% |
| 2025-02-22 03:28 | 2025-02-19 | ROBINS CHAD M | Director, Officer - CEO and Chairman | OPT+S | $8.45 | 285,187 | $2,410,686 | 2,576,701 | 0.0% |
| 2025-02-19 04:21 | 2025-02-13 | ROBINS CHAD M | Director, Officer - CEO and Chairman | OPT+S | $8.47 | 470,368 | $3,985,757 | 2,576,701 | 0.0% |
| 2024-11-20 02:45 | 2024-11-18 | PISKEL KYLE | Officer - Chief Financial Officer | SELL | $4.98 | 248 | $1,235 | 154,330 | -0.2% |
| 2024-08-23 23:27 | 2024-08-22 | Taylor Stacy L | Officer - SVP and General Counsel | SELL | $4.50 | 26,922 | $121,079 | 139,365 | -16.2% |
| 2024-03-07 03:43 | 2024-03-05 | PISKEL KYLE | Officer - Principal Accounting Officer | SELL | $3.43 | 7,727 | $26,504 | 123,318 | -5.9% |
| 2024-03-07 03:42 | 2024-03-05 | Taylor Stacy L | Officer - SVP and General Counsel | SELL | $3.43 | 13,381 | $45,962 | 166,287 | -7.4% |
| 2024-03-07 03:42 | 2024-03-05 | LO FRANCIS | Officer - Chief People Officer | SELL | $3.43 | 14,700 | $50,439 | 253,745 | -5.5% |
| 2024-03-07 03:42 | 2024-03-05 | BENZENO SHARON | Officer - Chief Commercial Ofc Imm Med | SELL | $3.44 | 29,390 | $100,993 | 327,415 | -8.2% |
| 2024-03-07 03:41 | 2024-03-05 | RUBINSTEIN JULIE | Officer - President | SELL | $3.47 | 39,070 | $135,764 | 472,754 | -7.6% |
| 2024-03-07 03:40 | 2024-03-05 | PETERSON TYCHO | Officer - Chief Financial Officer | SELL | $3.44 | 15,456 | $53,169 | 531,553 | -2.8% |
| 2024-03-07 03:40 | 2024-03-05 | ROBINS CHAD M | Director, Officer - CEO and Chairman | SELL | $3.43 | 48,673 | $167,007 | 2,576,701 | -1.9% |
| 2024-03-07 03:39 | 2024-03-05 | BOBULSKY SUSAN | Officer - Chief Commercial Officer, MRD | SELL | $3.44 | 12,991 | $44,629 | 248,290 | -5.0% |
| 2023-11-21 01:30 | 2023-11-16 | PISKEL KYLE | Officer - Principal Accounting Officer | SELL | $4.13 | 259 | $1,070 | 87,305 | -0.3% |
| 2023-08-08 23:53 | 2023-08-07 | SOOD NITIN | Officer - Chief Commercial Officer, MRD | SELL | $6.62 | 16,202 | $107,317 | 214,808 | -7.0% |
| 2023-06-22 00:32 | 2023-06-20 | PETERSON TYCHO | Officer - Chief Financial Officer | OPT+S | $8.14 | 134,961 | $1,098,583 | 399,219 | 0.0% |
| 2023-06-21 00:41 | 2023-06-15 | PETERSON TYCHO | Officer - Chief Financial Officer | OPT+S | $8.53 | 70,000 | $597,100 | 399,219 | 0.0% |
How to Interpret $ADPT Trades
Not every insider transaction in Adaptive Biotechnologies Corp is a signal for immediate action. Professional investors look for "cluster buying"—when multiple executives simultaneously purchase $ADPT shares on the open market. It is crucial to distinguish between scheduled sales (under Rule 10b5-1) and voluntary increases in ownership, which demonstrate management’s true conviction that the stock is undervalued.
Data Source & Accuracy for ADPT
Insider activity data for Adaptive Biotechnologies Corp is streamed in real-time directly from the SEC EDGAR system. We analyze raw Form 4 filings, filtering out technical adjustments and complex derivative transactions. This provides a transparent view of how ownership structure is evolving in $ADPT, allowing you to follow the capital of those with the most intimate knowledge of the company.
UNDERSTANDING THE DATA
FILING DATE: The date and time when the transaction was reported to the SEC. This is when the public first receives the information.
TRADE DATE: The actual day the insider executed the purchase or sale in the market.
INDUSTRY: The specific market sector the company operates in. Useful for identifying broader institutional capital flows across sectors.
OWNED AFTER: The total number of shares held by the insider following the transaction. This highlights the insider's remaining conviction in the company.
CHANGE %: The percentage increase or decrease of the insider's total position. Large percentage changes often carry more weight than the dollar amount alone.
TRADE TYPES DEFINITIONS
BUY: An open market purchase. Typically indicates an insider's belief that the stock is undervalued or poised for growth.
SELL: An open market sale. While often used for diversification or liquidity, large or unexpected sales can be a warning signal.
OPT+S (OPTION EXERCISE & SALE): This occurs when an insider exercises their stock options and sells them immediately. Often part of a structured compensation plan.