2026Q1
| Insider | Role (last 12 mo) | Shares held | Filed at |
|---|---|---|---|
| Chang 2020 Delaware LP | 10% Owner | 703,168 | Jun 4, 2021 |
| Chang 2020 GP LLC | 10% Owner | 700,752 | Jun 2, 2021 |
| Chang William H | 10% Owner | 444,577 | Jan 7, 2025 |
| Semler Herbert J | Director | 378,064 | Sep 15, 2017 |
| Semler Shirley L. | Director | 378,064 | Sep 15, 2017 |
| Exec date | Filing date | Insider | Role | Signal | Confidence | Shares | % of shares | Under plan? | Amount (USD) |
|---|---|---|---|---|---|---|---|---|---|
| Jan 16, 2026 | Jan 16, 2026 | SEMLER ERIC | Director | Neutral | 47.5 | -714,117 | -100.00% | ✗ | - |
| Jan 16, 2026 | Jan 16, 2026 | Murphy-Chutorian Douglas | CEO | Neutral | 47.5 | -241,303 | -100.00% | ✗ | - |
| Jan 16, 2026 | Jan 16, 2026 | MESSINA DANIEL S | Director | Neutral | 47.5 | -11,910 | -100.00% | ✗ | - |
| Jan 16, 2026 | Jan 16, 2026 | BRUNELL NATALIE | Director | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Jan 16, 2026 | Jan 16, 2026 | Chang William H | Director | Neutral | 47.5 | -824,264 | -100.00% | ✗ | - |
| Jan 2, 2026 | Jan 2, 2026 | Chang William H | Director | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Jan 2, 2026 | Jan 2, 2026 | BRUNELL NATALIE | Director | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Jan 2, 2026 | Jan 2, 2026 | SEMLER ERIC | Director | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Jan 2, 2026 | Jan 2, 2026 | Murphy-Chutorian Douglas | CEO | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Jan 2, 2026 | Jan 2, 2026 | MESSINA DANIEL S | Director | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Dec 15, 2025 | Dec 17, 2025 | Chang William H | Director | Neutral | 27.5 | -60,000 | -12.28% | ✗ | - |
| Nov 17, 2025 | Nov 18, 2025 | Murphy-Chutorian Douglas | CEO | Sell | 37.5 | -70,406 | -22.59% | ✗ | $1.4M |
| Aug 25, 2025 | Aug 26, 2025 | Murphy-Chutorian Douglas | CEO | Sell | 40.0 | -28,604 | -13.28% | ✗ | $873.6K |
| Jun 25, 2025 | Jun 26, 2025 | BRUNELL NATALIE | Director | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Jun 11, 2025 | Jun 12, 2025 | SEMLER ERIC | Director | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Jun 11, 2025 | Jun 12, 2025 | Cormier Renae | CFO | Neutral | 52.5 | - | 0.00% | ✗ | - |
| May 15, 2025 | May 22, 2025 | BRUNELL NATALIE | Director | Neutral | 52.5 | - | 0.00% | ✗ | - |
| May 22, 2025 | BRUNELL NATALIE | Director | Neutral | 52.5 | - | 0.00% | ✗ | - | |
| May 2, 2025 | May 5, 2025 | Cormier Renae | CFO | Neutral | 52.5 | - | 0.00% | ✗ | - |
| May 2, 2025 | May 5, 2025 | SEMLER ERIC | Director | Neutral | 52.5 | - | 0.00% | ✗ | - |
| May 2, 2025 | May 5, 2025 | Murphy-Chutorian Douglas | CEO | Neutral | 52.5 | - | 0.00% | ✗ | - |
| May 2, 2025 | May 5, 2025 | MESSINA DANIEL S | Director | Neutral | 52.5 | - | 0.00% | ✗ | - |
| May 2, 2025 | May 5, 2025 | Chang William H | Director | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Jan 6, 2025 | Jan 7, 2025 | Murphy-Chutorian Douglas | CEO | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Jan 6, 2025 | Jan 7, 2025 | Chang William H | Director | Neutral | 52.5 | - | 0.00% | ✗ | - |
| May 10, 2024 | Jan 7, 2025 | Chang William H | Director | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Nov 7, 2024 | Jan 7, 2025 | Chang William H | Director | Neutral | 60.0 | +1,318 | 0.30% | ✗ | - |
| Jan 6, 2025 | Jan 7, 2025 | Cormier Renae | CFO | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Jan 6, 2025 | Jan 7, 2025 | MESSINA DANIEL S | Director | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Jan 6, 2025 | Jan 7, 2025 | SEMLER ERIC | Director | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Dec 16, 2024 | Dec 17, 2024 | Chang William H | Director | Neutral | 37.5 | -2,735 | -0.61% | ✗ | - |
| Dec 16, 2024 | Dec 17, 2024 | SEMLER ERIC | Director | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Dec 10, 2024 | Dec 12, 2024 | Murphy-Chutorian Douglas | CEO | Sell | 36.3 | -100,000 | -9.06% | ✗ | $6.1M |
| Nov 7, 2024 | Nov 12, 2024 | Murphy-Chutorian Douglas | CEO | Sell | 17.5 | -50,000 | -33.26% | ✗ | $1.9M |
| Nov 7, 2024 | Nov 12, 2024 | SEMLER ERIC | Director | Buy | 95.0 | +51,318 | 7.92% | ✗ | $1.9M |
| Nov 7, 2024 | Nov 12, 2024 | Chang William H | Director | Neutral | 55.0 | +1,318 | 0.15% | ✗ | - |
| Nov 7, 2024 | Nov 12, 2024 | MESSINA DANIEL S | Director | Neutral | 90.0 | +1,318 | 12.44% | ✗ | - |
| Sep 5, 2024 | Sep 6, 2024 | Murphy-Chutorian Douglas | CEO | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Aug 28, 2024 | Sep 6, 2024 | Murphy-Chutorian Douglas | CEO | Sell | 20.0 | -10,881 | -17.78% | ✗ | $308.4K |
| Aug 26, 2024 | Sep 6, 2024 | Murphy-Chutorian Douglas | CEO | Sell | 20.0 | -33,377 | -35.29% | ✗ | $979.3K |
| Aug 28, 2024 | Aug 30, 2024 | Murphy-Chutorian Douglas | CEO | Sell | 20.0 | -10,780 | -11.40% | ✗ | $305.5K |
| Aug 26, 2024 | Aug 27, 2024 | Murphy-Chutorian Douglas | CEO | Neutral | 52.5 | - | 0.00% | ✗ | - |
| May 24, 2024 | May 29, 2024 | Chang William H | Director | Neutral | 52.5 | - | 0.00% | ✗ | - |
| May 24, 2024 | May 29, 2024 | SEMLER ERIC | Director | Neutral | 52.5 | - | 0.00% | ✗ | - |
| May 10, 2024 | May 14, 2024 | SEMLER ERIC | Director | Neutral | 60.0 | +2,182 | 0.34% | ✗ | - |
| May 10, 2024 | May 14, 2024 | Chang William H | Director | Neutral | 60.0 | +2,182 | 0.25% | ✗ | - |
| May 10, 2024 | May 14, 2024 | Murphy-Chutorian Douglas | CEO | Neutral | 52.5 | - | 0.00% | ✗ | - |
| May 10, 2024 | May 14, 2024 | MESSINA DANIEL S | Director | Neutral | 90.0 | +2,182 | 25.95% | ✗ | - |
| May 10, 2024 | May 14, 2024 | Cormier Renae | CFO | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Sep 11, 2023 | Sep 13, 2023 | SEMLER ERIC | Director | Buy | 100.0 | +77,771 | 13.69% | ✗ | $2.1M |
| Jul 10, 2023 | Jul 13, 2023 | Cormier Renae | CFO | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Jul 13, 2023 | Cormier Renae | CFO | Neutral | 52.5 | - | 0.00% | ✗ | - | |
| May 31, 2023 | Jun 2, 2023 | MESSINA DANIEL S | Director | Neutral | 90.0 | +909 | 12.12% | ✗ | - |
| May 16, 2023 | May 17, 2023 | Murphy-Chutorian Douglas | CEO | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Apr 20, 2023 | SEMLER ERIC | Director | Neutral | 52.5 | - | 0.00% | ✗ | - | |
| Sep 30, 2022 | Feb 14, 2023 | William H.C. Chang & Diana Shon Chang TTEE Chang Family Trust U/A DTD 10/23/2006 | 10% Owner | Neutral | 27.5 | -232,206 | -8.99% | ✗ | - |
| Feb 1, 2023 | Feb 3, 2023 | LEIBOWITZ ARTHUR N | Director | Neutral | 90.0 | +2,436 | 100.29% | ✗ | - |
| Feb 1, 2023 | Feb 3, 2023 | Pan Wayne T | Director | Neutral | 85.0 | +2,436 | 5.40% | ✗ | - |
| Feb 1, 2023 | Feb 3, 2023 | MESSINA DANIEL S | Director | Neutral | 90.0 | +3,045 | 68.33% | ✗ | - |
| Feb 1, 2023 | Feb 3, 2023 | Moon Cindy | Director | Sell | 91.3 | +1,365 | 73.94% | ✗ | $44K |
| Oct 20, 2022 | Oct 21, 2022 | MESSINA DANIEL S | Director | Neutral | 90.0 | +649 | 17.05% | ✗ | - |
| Jul 1, 2022 | Jul 5, 2022 | MESSINA DANIEL S | Director | Neutral | 90.0 | +871 | 29.67% | ✗ | - |
| Apr 1, 2022 | Apr 18, 2022 | MESSINA DANIEL S | Director | Neutral | 90.0 | +507 | 20.87% | ✗ | - |
| Feb 28, 2022 | Mar 1, 2022 | Murphy-Chutorian Douglas | CEO | Sell | 10.0 | -2,000 | -100.00% | ✓ | $145.3K |
| Feb 22, 2022 | Feb 24, 2022 | Murphy-Chutorian Douglas | CEO | Sell | 10.0 | -2,000 | -100.00% | ✓ | $140.4K |
| Feb 15, 2022 | Feb 16, 2022 | Murphy-Chutorian Douglas | CEO | Sell | 10.0 | -2,000 | -100.00% | ✓ | $152.1K |
| Feb 7, 2022 | Feb 7, 2022 | Murphy-Chutorian Douglas | CEO | Sell | 10.0 | -2,000 | -100.00% | ✓ | $157.5K |
| Feb 1, 2022 | Feb 1, 2022 | Murphy-Chutorian Douglas | CEO | Sell | 10.0 | -2,000 | -100.00% | ✓ | $153.1K |
| Jan 24, 2022 | Jan 26, 2022 | Murphy-Chutorian Douglas | CEO | Sell | 10.0 | -2,000 | -100.00% | ✓ | $144.7K |
| Jan 21, 2022 | Jan 26, 2022 | LEIBOWITZ ARTHUR N | Director | Neutral | 90.0 | +1,340 | 123.05% | ✗ | - |
| Jan 21, 2022 | Jan 26, 2022 | MESSINA DANIEL S | Director | Neutral | 90.0 | +1,340 | 123.05% | ✗ | - |
| Jan 21, 2022 | Jan 26, 2022 | Pan Wayne T | Director | Neutral | 82.5 | +1,340 | 3.06% | ✗ | - |
| Jan 21, 2022 | Jan 26, 2022 | Moon Cindy | Director | Sell | 91.3 | +757 | 69.51% | ✗ | $43.5K |
| Jan 18, 2022 | Jan 21, 2022 | Murphy-Chutorian Douglas | CEO | Sell | 10.0 | -2,000 | -100.00% | ✓ | $153.4K |
| Oct 25, 2021 | Oct 28, 2021 | Murphy-Chutorian Douglas | CEO | Sell | 32.5 | -1,250 | -5.04% | ✓ | $180K |
| Oct 18, 2021 | Oct 20, 2021 | Murphy-Chutorian Douglas | CEO | Sell | 37.5 | -1,250 | -4.79% | ✓ | $171.7K |
| Oct 11, 2021 | Oct 13, 2021 | Murphy-Chutorian Douglas | CEO | Sell | 37.5 | -1,250 | -4.58% | ✓ | $161.3K |
| Oct 4, 2021 | Oct 6, 2021 | Murphy-Chutorian Douglas | CEO | Sell | 37.5 | -1,250 | -4.38% | ✓ | $159.1K |
| Sep 27, 2021 | Sep 29, 2021 | Murphy-Chutorian Douglas | CEO | Sell | 37.5 | -1,250 | -4.19% | ✓ | $156.1K |
| Sep 20, 2021 | Sep 22, 2021 | Murphy-Chutorian Douglas | CEO | Sell | 37.5 | -1,250 | -4.02% | ✓ | $132.2K |
| Sep 13, 2021 | Sep 15, 2021 | Murphy-Chutorian Douglas | CEO | Sell | 37.5 | -1,250 | -3.87% | ✓ | $135.6K |
| Sep 7, 2021 | Sep 9, 2021 | Murphy-Chutorian Douglas | CEO | Sell | 37.5 | -1,250 | -3.72% | ✓ | $136.2K |
| Aug 30, 2021 | Sep 1, 2021 | Murphy-Chutorian Douglas | CEO | Sell | 37.5 | -1,250 | -3.59% | ✓ | $132.6K |
| Aug 23, 2021 | Aug 25, 2021 | Murphy-Chutorian Douglas | CEO | Sell | 37.5 | -1,250 | -3.47% | ✓ | $134.1K |
| Aug 16, 2021 | Aug 18, 2021 | Murphy-Chutorian Douglas | CEO | Sell | 37.5 | -1,250 | -3.35% | ✓ | $133.7K |
| Aug 9, 2021 | Aug 10, 2021 | Murphy-Chutorian Douglas | CEO | Sell | 37.5 | -1,250 | -3.24% | ✓ | $142.2K |
| Aug 2, 2021 | Aug 2, 2021 | Murphy-Chutorian Douglas | CEO | Sell | 37.5 | -1,250 | -3.14% | ✓ | $148K |
| Jul 26, 2021 | Jul 27, 2021 | Murphy-Chutorian Douglas | CEO | Sell | 37.5 | -1,250 | -3.04% | ✓ | $146K |
| Jul 19, 2021 | Jul 20, 2021 | Murphy-Chutorian Douglas | CEO | Sell | 41.3 | -1,250 | -2.95% | ✓ | $146.6K |
| Jul 12, 2021 | Jul 13, 2021 | Murphy-Chutorian Douglas | CEO | Sell | 41.3 | -1,250 | -2.87% | ✓ | $156.1K |
| Jul 6, 2021 | Jul 7, 2021 | Murphy-Chutorian Douglas | CEO | Sell | 41.3 | -1,250 | -2.79% | ✓ | $143.3K |
| Jun 28, 2021 | Jun 29, 2021 | Murphy-Chutorian Douglas | CEO | Sell | 41.3 | -1,250 | -2.71% | ✓ | $137K |
| Jun 21, 2021 | Jun 22, 2021 | Murphy-Chutorian Douglas | CEO | Sell | 41.3 | -1,250 | -2.64% | ✓ | $137K |
| Jun 15, 2021 | Jun 17, 2021 | Pan Wayne T | Director | Sell | 22.5 | -1,089 | -2.43% | ✗ | $117.8K |
| Jun 14, 2021 | Jun 15, 2021 | Murphy-Chutorian Douglas | CEO | Sell | 41.3 | -1,250 | -2.57% | ✓ | $135.2K |
| Jun 10, 2021 | Jun 14, 2021 | Pan Wayne T | Director | Sell | 22.5 | -1,466 | -1.06% | ✗ | $161.3K |
| Jun 7, 2021 | Jun 8, 2021 | Murphy-Chutorian Douglas | CEO | Sell | 41.3 | -1,250 | -2.51% | ✓ | $136.8K |
| Jun 2, 2021 | Jun 4, 2021 | William H.C. Chang & Diana Shon Chang TTEE Chang Family Trust U/A DTD 10/23/2006 | 10% Owner | Sell | 37.5 | -3,937 | -0.35% | ✗ | $435.3K |
| Jun 1, 2021 | Jun 3, 2021 | Murphy-Chutorian Douglas | CEO | Sell | 41.3 | -1,250 | -2.45% | ✓ | $135.8K |
| Apr 19, 2021 | Jun 2, 2021 | William H.C. Chang & Diana Shon Chang TTEE Chang Family Trust U/A DTD 10/23/2006 | 10% Owner | Sell | 47.5 | -1,063 | -0.05% | ✗ | $117K |