Insider · CIK 0001281961
Mark Stolper
Files at: STLN, RTIX, RTIX, RDNT. On EDGAR ↗
Reported trades — common stock
| Trade | Reported (ET) | Company | Shares | Avg price | Total | Owned after | Δ stake | Flags |
|---|---|---|---|---|---|---|---|---|
| Jul 27, 2026 AForm 4 → | Jul 29, 6:52 pm EDT | Oncology Institute, Inc.TOI | 31,124 | — | — | 56,957 | — | |
| Jul 7, 2026 AForm 4 → | Jul 9, 4:30 pm EDT | Oncology Institute, Inc.TOI | 25,833 | — | — | 25,833 | — | |
| Mar 8, 2019 AForm 4 → | Mar 11, 1:11 pm EDT | RTI Surgical Holdings, Inc.RTIX | 66,784 | — | — | 66,784 | — | plan? |
| Mar 8, 2019 DForm 4 → | Mar 11, 1:05 pm EDT | RTI SURGICAL, INC.RTIX | 66,784 | — | — | 0 | — | plan? |
| Feb 26, 2019 AForm 4 → | Feb 27, 2:43 pm EST | RTI SURGICAL, INC.RTIX | 21,322 | — | — | 66,784 | — | plan? |
| Apr 11, 2018 GForm 4 → | Apr 11, 4:33 pm EDT | RadNet, Inc.RDNT | 2,000 | — | — | 128,319 | — | plan? |
| Mar 20, 2018 SForm 4 → | Mar 20, 6:58 pm EDT | RadNet, Inc.RDNT | 15,000 | $13.19 | $197,850 | 130,319 | −10.3% | plan? |
| Feb 28, 2018 AForm 4 → | Mar 1, 12:28 pm EST | RTI SURGICAL, INC.RTIX | 17,647 | — | — | 45,462 | — | plan? |
| Aug 30, 2017 SForm 4 → | Aug 30, 5:16 pm EDT | RadNet, Inc.RDNT | 10,000 | $10.19 | $101,900 | 145,319 | −6.44% | plan? |
| May 24, 2017 SForm 4 → | May 24, 4:47 pm EDT | RadNet, Inc.RDNT | 15,000 | $7.33 | $109,950 | 155,319 | −8.81% | plan? |
| May 16, 2017 AForm 4 → | May 17, 12:38 pm EDT | RTI SURGICAL, INC.RTIX | 16,484 | — | — | 27,815 | — | plan? |
| May 5, 2017 PForm 4 → | May 9, 12:15 pm EDT | RTI SURGICAL, INC.RTIX | 5,000 | $4.57 | $22,850 | 11,331 | +79.0% | plan? |
| Mar 14, 2017 AForm 4 → | Mar 16, 2:00 pm EDT | RTI SURGICAL, INC.RTIX | 6,331 | — | — | 6,331 | — | plan? |
| Aug 12, 2016 SForm 4 → | Aug 12, 6:34 pm EDT | RadNet, Inc.RDNT | 35,414 | $6.25 | $221,338 | 170,319 | −17.2% | plan? |
| Jan 4, 2016 AForm 4 → | Jan 5, 3:31 pm EST | RadNet, Inc.RDNT | 35,703 | — | — | 205,733 | — | plan? |
| Dec 3, 2015 SForm 4 → | Dec 3, 5:45 pm EST | RadNet, Inc.RDNT | 19,187 | $6.18 | $118,576 | 170,030 | −10.1% | plan? |
| May 20, 2015 SForm 4 → | May 22, 11:52 am EDT | RadNet, Inc.RDNT | 50,000 | $6.86 | $343,000 | 189,217 | −20.9% | plan? |
| Apr 15, 2015 FMForm 4 → | Apr 17, 2:24 pm EDT | RadNet, Inc.RDNT | 114,586 | — | — | 352,426 | — | plan? |
| Jan 2, 2015 AForm 4 → | Jan 5, 1:59 pm EST | RadNet, Inc.RDNT | 25,025 | — | — | 292,012 | — | plan? |
| Jan 2, 2014 JForm 4/A → | Apr 30, 2015, 4:47 pm EDT | RadNet, Inc.RDNT | 2,250 | — | — | 190,153 | — | plan? |
| Dec 17, 2013 AJForm 4/A → | May 22, 2015, 7:55 pm EDT | RadNet, Inc.RDNT | 103,547 | — | — | 178,803 | — | plan? |
Reported trades — derivatives (options, RSUs, warrants)
| Trade | Reported (ET) | Company | Shares | Avg price | Total | Owned after | Δ stake | Flags |
|---|---|---|---|---|---|---|---|---|
| Jan 7, 2019 AForm 4/A → | Mar 5, 12:27 pm EST | RadNet, Inc.RDNT | 43,458 | — | — | 21,729 | — | |
| Jan 7, 2019 AForm 4 → | Jan 15, 3:25 pm EST | RadNet, Inc.RDNT | 43,458 | — | — | 21,729 | — | late amended |
| Jan 2, 2018 AJForm 4 → | Jan 2, 8:52 pm EST | RadNet, Inc.RDNT | 43,128 | — | — | 126,065 | — | |
| Jan 6, 2017 AJForm 4 → | Jan 9, 12:41 pm EST | RadNet, Inc.RDNT | 68,798 | — | — | 104,501 | — | |
| Jan 4, 2016 JForm 4 → | Jan 5, 3:31 pm EST | RadNet, Inc.RDNT | 35,703 | — | — | 35,703 | — | |
| Apr 15, 2015 XForm 4 → | Apr 17, 2:24 pm EDT | RadNet, Inc.RDNT | 87,500 | — | — | 0 | — |