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Blackford Quentin S.
InsiderCIK 0001612451
Largest Purchase
No open-market purchases in the recent filings.
Profile
- Filings
- 10
- Buy transactions
- 0
- Sell transactions
- 13
- Companies
- 3
- Active
- 2025–2026
Blackford Quentin S. has filed 10 SEC reports (2025–2026), spread across 3 companies, totaling $16.0M in disclosed volume. Weighing $0 bought versus $16.0M sold, the history is heavily weighted toward selling. Data is sourced from official SEC Form 3, 4, and 5 filings.
Associated Companies
Trading History
10 loaded
| Aug 31 | ALGN ALIGN TECHNOLOGY INC | Blackford Quentin S. | Insider | Award | $0 |
| Aug 31 | ALGN ALIGN TECHNOLOGY INC | Blackford Quentin S. | Insider | Other | $0 |
| Aug 11 | IRTC iRhythm Holdings, Inc. | Blackford Quentin S. | President and CEO, Director | Sell | $3.3M |
| Jun 12 | ATEC Alphatec Holdings, Inc. | Blackford Quentin S. | Insider | Grant | $0 |
| Jun 1 | IRTC iRhythm Holdings, Inc. | Blackford Quentin S. | President and CEO, Director | Grant | $17.2K |
| Mar 3 | IRTC iRhythm Holdings, Inc. | Blackford Quentin S. | President and CEO, Director | Sell | $1.8M |
| Feb 27 | IRTC iRhythm Holdings, Inc. | Blackford Quentin S. | President and CEO, Director | Grant | $0 |
| Feb 26 | IRTC iRhythm Holdings, Inc. | Blackford Quentin S. | President and CEO, Director | Sell | $3.5M |
| Nov 4 | IRTC iRhythm Technologies, Inc. | Blackford Quentin S. | President and CEO, Director | Sell | $2.6M |
| Aug 6 | IRTC iRhythm Technologies, Inc. | Blackford Quentin S. | President and CEO, Director | Sell | $4.8M |
10 filings