2025Q4
| Insider | Role (last 12 mo) | Shares held | Filed at |
|---|---|---|---|
| Boston Foundation, Inc. | 10% Owner | 2,200,000 | Feb 5, 2019 |
| McCabe John P. | VP of Finance & Treasurer | 179,848 | Jun 18, 2018 |
| Hahn Marina | — | 150,000 | Nov 20, 2015 |
| Wessel Thomas | Chief Medical Officer | 100,000 | Jan 19, 2018 |
| Lindemann Katharine | — | 77,000 | Jan 20, 2017 |
| Exec date | Filing date | Insider | Role | Signal | Confidence | Shares | % of shares | Under plan? | Amount (USD) |
|---|---|---|---|---|---|---|---|---|---|
| Dec 30, 2025 | Jan 2, 2026 | HANISH ARNOLD C | Director | Sell | 37.5 | -27 | -0.54% | ✗ | $17.3 |
| Nov 20, 2025 | Nov 24, 2025 | HANISH ARNOLD C | Director | Buy | 90.0 | +5,000 | 18518.52% | ✗ | $3.7K |
| Nov 20, 2025 | Nov 20, 2025 | Rosenblum Mark J | CFO | Buy | 91.3 | +20,000 | 11299.44% | ✗ | $16K |
| Apr 11, 2024 | Apr 12, 2024 | Arthur David J. | CEO | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Feb 20, 2024 | Feb 22, 2024 | Rosenblum Mark J | CFO | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Feb 20, 2024 | Feb 22, 2024 | McVicar William K. | Director | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Feb 20, 2024 | Feb 22, 2024 | McCreedy Bruce J Jr. | Director | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Feb 20, 2024 | Feb 22, 2024 | Lieber Jonathan I | Director | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Feb 20, 2024 | Feb 22, 2024 | Lammers Paul | Director | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Feb 20, 2024 | Feb 22, 2024 | Burleson Tess | Director | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Feb 20, 2024 | Feb 22, 2024 | HANISH ARNOLD C | Director | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Feb 13, 2023 | Feb 15, 2023 | Rosenblum Mark J | CFO | Neutral | 90.0 | +6,432 | 41.71% | ✗ | - |
| Feb 13, 2023 | Feb 15, 2023 | Arthur David J. | CEO | Neutral | 90.0 | +14,300 | 41.05% | ✗ | - |
| Jan 3, 2023 | Jan 5, 2023 | Lieber Jonathan I | Director | Neutral | 90.0 | +1,440 | 96.00% | ✗ | - |
| Jan 3, 2023 | Jan 5, 2023 | McCreedy Bruce J Jr. | Director | Neutral | 90.0 | +1,440 | 413.79% | ✗ | - |
| Jan 3, 2023 | Jan 5, 2023 | HANISH ARNOLD C | Director | Neutral | 90.0 | +1,440 | 77.67% | ✗ | - |
| Jan 3, 2023 | Jan 5, 2023 | Lammers Paul | Director | Neutral | 90.0 | +1,440 | 517.99% | ✗ | - |
| Jan 3, 2023 | Jan 5, 2023 | Burleson Tess | Director | Neutral | 90.0 | +1,440 | 112.32% | ✗ | - |
| Jan 3, 2023 | Jan 5, 2023 | McVicar William K. | Director | Neutral | 90.0 | +1,440 | 102.13% | ✗ | - |
| Jan 3, 2023 | Jan 5, 2023 | Rosenblum Mark J | CFO | Neutral | 90.0 | +8,000 | 107.83% | ✗ | - |
| Jan 3, 2023 | Jan 5, 2023 | Arthur David J. | CEO | Neutral | 90.0 | +20,000 | 134.82% | ✗ | - |
| Nov 3, 2022 | Dec 12, 2022 | Arthur David J. | CEO | Neutral | 90.0 | +2,693 | 22.18% | ✗ | - |
| Nov 3, 2022 | Dec 12, 2022 | Rosenblum Mark J | CFO | Neutral | 90.0 | +1,488 | 25.09% | ✗ | - |
| Nov 3, 2022 | Nov 8, 2022 | Arthur David J. | CEO | Neutral | 90.0 | +10,000 | 82.36% | ✗ | - |
| Nov 3, 2022 | Nov 8, 2022 | Rosenblum Mark J | CFO | Neutral | 90.0 | +7,314 | 123.32% | ✗ | - |
| Nov 3, 2022 | Nov 7, 2022 | Arthur David J. | CEO | Neutral | 82.5 | +10,000 | 3.29% | ✗ | - |
| Nov 3, 2022 | Nov 7, 2022 | Rosenblum Mark J | CFO | Neutral | 82.5 | +7,314 | 4.93% | ✗ | - |
| Jun 7, 2022 | Jun 8, 2022 | Burleson Tess | Director | Buy | 90.0 | +27,700 | 636.78% | ✗ | $5K |
| Jun 7, 2022 | Jun 8, 2022 | Lieber Jonathan I | Director | Buy | 90.0 | +37,500 | 100.00% | ✗ | $7K |
| Jun 6, 2022 | Jun 7, 2022 | McVicar William K. | Director | Buy | 90.0 | +26,553 | 100.00% | ✗ | $5K |
| Jun 3, 2022 | Jun 6, 2022 | HANISH ARNOLD C | Director | Buy | 90.0 | +28,000 | 152.59% | ✗ | $5.2K |
| Aug 21, 2020 | Jun 6, 2022 | HANISH ARNOLD C | Director | Buy | 90.0 | +4,000 | 54.42% | ✗ | $3.9K |
| Feb 11, 2020 | Jun 6, 2022 | HANISH ARNOLD C | Director | Buy | 90.0 | +4,350 | 145.00% | ✗ | $5K |
| Nov 25, 2019 | Jun 6, 2022 | HANISH ARNOLD C | Director | Buy | 91.3 | +3,000 | 100.00% | ✗ | $10.8K |
| May 26, 2022 | May 31, 2022 | Arthur David J. | CEO | Buy | 85.0 | +43,900 | 5.26% | ✗ | $8K |
| May 31, 2022 | May 31, 2022 | Rosenblum Mark J | CFO | Buy | 90.0 | +28,000 | 23.27% | ✗ | $5K |
| May 3, 2022 | May 5, 2022 | Arthur David J. | CEO | Neutral | 82.5 | +10,000 | 4.01% | ✗ | - |
| May 3, 2022 | May 5, 2022 | Rosenblum Mark J | CFO | Neutral | 85.0 | +10,000 | 9.06% | ✗ | - |
| Mar 3, 2022 | Mar 9, 2022 | Rosenblum Mark J | CFO | Buy | 91.3 | +76,246 | 223.77% | ✗ | $29.8K |
| Mar 3, 2022 | Mar 9, 2022 | Arthur David J. | CEO | Buy | 95.0 | +139,488 | 126.59% | ✗ | $54.5K |
| Jan 20, 2022 | Jan 21, 2022 | McCreedy Bruce J Jr. | Director | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Jan 20, 2022 | Jan 21, 2022 | Lieber Jonathan I | Director | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Jan 20, 2022 | Jan 21, 2022 | McVicar William K. | Director | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Jan 20, 2022 | Jan 21, 2022 | Arthur David J. | CEO | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Jan 20, 2022 | Jan 21, 2022 | Burleson Tess | Director | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Jan 20, 2022 | Jan 21, 2022 | HANISH ARNOLD C | Director | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Jan 20, 2022 | Jan 21, 2022 | Lammers Paul | Director | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Jan 20, 2022 | Jan 21, 2022 | Rosenblum Mark J | CFO | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Nov 3, 2021 | Nov 5, 2021 | Arthur David J. | CEO | Neutral | 85.0 | +7,939 | 7.76% | ✗ | - |
| Nov 3, 2021 | Nov 5, 2021 | Rosenblum Mark J | CFO | Neutral | 90.0 | +7,787 | 29.62% | ✗ | - |
| Aug 17, 2021 | Aug 17, 2021 | Arthur David J. | CEO | Buy | 77.5 | +4,000 | 2.02% | ✗ | $3.6K |
| Aug 10, 2021 | Aug 11, 2021 | HANISH ARNOLD C | Director | Buy | 90.0 | +7,000 | 61.67% | ✗ | $6.2K |
| May 3, 2021 | May 5, 2021 | Rosenblum Mark J | CFO | Neutral | 90.0 | +9,563 | 57.18% | ✗ | - |
| May 3, 2021 | May 5, 2021 | Arthur David J. | CEO | Neutral | 90.0 | +9,822 | 11.36% | ✗ | - |
| Dec 2, 2020 | Dec 4, 2020 | Burleson Tess | Director | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Dec 2, 2020 | Dec 4, 2020 | Arthur David J. | CEO | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Dec 2, 2020 | Dec 4, 2020 | McVicar William K. | Director | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Dec 2, 2020 | Dec 4, 2020 | Rosenblum Mark J | CFO | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Dec 2, 2020 | Dec 4, 2020 | HANISH ARNOLD C | Director | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Dec 2, 2020 | Dec 4, 2020 | Lieber Jonathan I | Director | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Dec 2, 2020 | Dec 4, 2020 | McCreedy Bruce J Jr. | Director | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Dec 2, 2020 | Dec 4, 2020 | Lammers Paul | Director | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Nov 3, 2020 | Nov 5, 2020 | Arthur David J. | CEO | Neutral | 85.0 | +4,879 | 5.98% | ✗ | - |
| Nov 3, 2020 | Nov 5, 2020 | Rosenblum Mark J | CFO | Neutral | 90.0 | +4,723 | 39.36% | ✗ | - |
| Aug 21, 2020 | Aug 24, 2020 | HANISH ARNOLD C | Director | Buy | 90.0 | +4,000 | 54.42% | ✗ | $3.9K |
| Aug 19, 2020 | Aug 20, 2020 | Arthur David J. | CEO | Buy | 90.0 | +2,000 | 200.00% | ✗ | $2K |
| Aug 17, 2020 | Aug 18, 2020 | Rosenblum Mark J | CFO | Buy | 90.0 | +5,000 | 71.43% | ✗ | $5K |
| Jul 14, 2020 | Jul 16, 2020 | Arthur David J. | CEO | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Jul 14, 2020 | Jul 16, 2020 | Rosenblum Mark J | CFO | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Jul 14, 2020 | Jul 16, 2020 | Lieber Jonathan I | Director | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Jun 22, 2020 | Lieber Jonathan I | Director | Neutral | 52.5 | - | 0.00% | ✗ | - | |
| Mar 23, 2020 | Mar 25, 2020 | Northrup Jonathan P | Director | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Mar 23, 2020 | Mar 25, 2020 | McVicar William K. | Director | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Mar 23, 2020 | Mar 25, 2020 | McCreedy Bruce J Jr. | Director | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Mar 23, 2020 | Mar 25, 2020 | Burleson Tess | Director | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Mar 23, 2020 | Mar 25, 2020 | Rosenblum Mark J | CFO | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Mar 23, 2020 | Mar 25, 2020 | HANISH ARNOLD C | Director | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Mar 23, 2020 | Mar 25, 2020 | Arthur David J. | CEO | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Mar 23, 2020 | Mar 25, 2020 | Lammers Paul | Director | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Feb 19, 2020 | Feb 20, 2020 | Rosenblum Mark J | CFO | Buy | 90.0 | +2,000 | 40.00% | ✗ | $1.9K |
| Feb 18, 2020 | Feb 18, 2020 | Jordan Scott | Chief Business Officer | Buy | 91.3 | +11,300 | 55.64% | ✗ | $10.2K |
| Feb 11, 2020 | Feb 13, 2020 | Arthur David J. | CEO | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Feb 11, 2020 | Feb 13, 2020 | Northrup Jonathan P | Director | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Feb 11, 2020 | Feb 13, 2020 | Burleson Tess | Director | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Feb 11, 2020 | Feb 13, 2020 | McVicar William K. | Director | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Feb 11, 2020 | Feb 13, 2020 | HANISH ARNOLD C | Director | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Feb 11, 2020 | Feb 13, 2020 | McCreedy Bruce J Jr. | Director | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Feb 13, 2020 | Feb 13, 2020 | Rosenblum Mark J | CFO | Buy | 90.0 | +5,000 | 100.00% | ✗ | $4.3K |
| Feb 11, 2020 | Feb 12, 2020 | McVicar William K. | Director | Buy | 91.3 | +8,700 | 100.00% | ✗ | $10K |
| Feb 11, 2020 | Feb 12, 2020 | Northrup Jonathan P | Director | Buy | 83.8 | +8,700 | 2.53% | ✗ | $10K |
| Feb 11, 2020 | Feb 12, 2020 | Burleson Tess | Director | Buy | 90.0 | +4,350 | 100.00% | ✗ | $5K |
| Feb 11, 2020 | Feb 12, 2020 | HANISH ARNOLD C | Director | Buy | 90.0 | +4,350 | 145.00% | ✗ | $5K |
| Feb 11, 2020 | Feb 12, 2020 | McCreedy Bruce J Jr. | Director | Buy | 91.3 | +8,700 | 100.00% | ✗ | $10K |
| Feb 11, 2020 | Feb 12, 2020 | Arthur David J. | CEO | Buy | 82.5 | +2,175 | 2.74% | ✗ | $2.5K |
| Nov 25, 2019 | Feb 12, 2020 | HANISH ARNOLD C | Director | Buy | 91.3 | +3,000 | 100.00% | ✗ | $10.8K |
| Nov 25, 2019 | Nov 26, 2019 | HANISH ARNOLD C | Director | Buy | 91.3 | +3,000 | 100.00% | ✗ | $10.8K |
| Sep 10, 2019 | Sep 13, 2019 | Jordan Scott | Chief Business Officer | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Sep 13, 2019 | Rosenblum Mark J | CFO | Neutral | 52.5 | - | 0.00% | ✗ | - | |
| Sep 10, 2019 | Sep 13, 2019 | Arthur David J. | CEO | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Sep 10, 2019 | Sep 13, 2019 | Burleson Tess | Director | Neutral | 52.5 | - | 0.00% | ✗ | - |