Insider · CIK 0001612451
Quentin S. Blackford
Files at: ALGN, IRTC, ATEC, DXCM, NUVA. On EDGAR ↗
Reported trades — common stock
| Trade | Reported (ET) | Company | Shares | Avg price | Total | Owned after | Δ stake | Flags |
|---|---|---|---|---|---|---|---|---|
| Aug 10, 2026 SForm 4 → | Aug 11, 4:02 pm EDT | iRhythm Holdings, Inc.IRTC | 26,859 | $124.65 | $3,348,012 | 226,008 | −10.6% | |
| Aug 7, 2026 AForm 4 → | Aug 11, 4:02 pm EDT | iRhythm Holdings, Inc.IRTC | 48,534 | — | — | 252,867 | — | |
| Jun 10, 2026 AForm 4 → | Jun 12, 5:34 pm EDT | Alphatec Holdings, Inc.ATEC | 32,012 | — | — | 600,381 | — |
Reported trades — derivatives (options, RSUs, warrants)
| Trade | Reported (ET) | Company | Shares | Avg price | Total | Owned after | Δ stake | Flags |
|---|---|---|---|---|---|---|---|---|
| Aug 27, 2026 AForm 4 → | Aug 31, 4:49 pm EDT | ALIGN TECHNOLOGY INCALGN | 1,376 | — | — | 1,376 | — |