2025Q4
| Insider | Role (last 12 mo) | Shares held | Filed at |
|---|---|---|---|
| Fresenius Medical Care Holdings Inc /Ny/ | — | 18,312,735 | Sep 2, 2021 |
| Ayabudge LLC | 10% Owner | 8,191,140 | Aug 21, 2023 |
| Parikh Shamik J | Chief Medical Officer | 318,600 | Nov 17, 2025 |
| Dougan Brady W | Director | 311,100 | Nov 17, 2025 |
| Niklason Laura E | CEO | 311,100 | Nov 17, 2025 |
| Exec date | Filing date | Insider | Role | Signal | Confidence | Shares | % of shares | Under plan? | Amount (USD) |
|---|---|---|---|---|---|---|---|---|---|
| Nov 16, 2025 | Nov 17, 2025 | Sander Dale A. | CFO | Neutral | 90.0 | +311,100 | 730.28% | ✗ | - |
| Nov 16, 2025 | Nov 17, 2025 | Parikh Shamik J | Chief Medical Officer | Neutral | 90.0 | +311,100 | 4148.00% | ✗ | - |
| Nov 16, 2025 | Nov 17, 2025 | Dougan Brady W | Director | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Nov 16, 2025 | Nov 17, 2025 | Niklason Laura E | CEO | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Aug 18, 2025 | Aug 20, 2025 | Dougan Brady W | Director | Sell | 17.5 | -2,241,045 | -61.68% | ✗ | $3.7M |
| Aug 18, 2025 | Aug 20, 2025 | Niklason Laura E | CEO | Sell | 17.5 | -2,241,045 | -61.68% | ✗ | $3.7M |
| Jun 12, 2025 | Jun 16, 2025 | Pope Todd | Director | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Jun 12, 2025 | Jun 16, 2025 | Brown Emery N. | Director | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Jun 12, 2025 | Jun 16, 2025 | Jones Keith Anthony | Director | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Jun 12, 2025 | Jun 16, 2025 | Wallace Max N. | Director | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Jun 12, 2025 | Jun 16, 2025 | Windham-Bannister Susan Richards | Director | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Jun 12, 2025 | Jun 16, 2025 | Niklason Laura E | CEO | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Jun 12, 2025 | Jun 16, 2025 | Dougan Brady W | Director | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Jun 12, 2025 | Jun 16, 2025 | Green Charles Bruce | Director | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Jun 12, 2025 | Jun 16, 2025 | Constantino Michael T. | Director | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Jun 12, 2025 | Jun 16, 2025 | Bamforth John Philip | Director | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Jun 12, 2025 | Jun 16, 2025 | Seimetz Diane | Director | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Jun 12, 2025 | Jun 16, 2025 | Sebelius Kathleen | Director | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Apr 14, 2025 | Apr 15, 2025 | Scheessele William John | Chief Commercial Officer | Buy | 90.0 | +6,493 | 41.82% | ✗ | $10K |
| Apr 10, 2025 | Apr 14, 2025 | Sander Dale A. | CFO | Buy | 91.3 | +20,000 | 88.50% | ✗ | $30.6K |
| Apr 10, 2025 | Apr 14, 2025 | Parikh Shamik J | Chief Medical Officer | Buy | 91.3 | +7,500 | 100.00% | ✗ | $11.6K |
| Apr 8, 2025 | Apr 8, 2025 | Sebelius Kathleen | Director | Buy | 95.0 | +50,000 | 121.34% | ✗ | $66K |
| Apr 8, 2025 | Apr 8, 2025 | Green Charles Bruce | Director | Buy | 90.0 | +6,000 | 250.00% | ✗ | $7.7K |
| Apr 7, 2025 | Apr 8, 2025 | Constantino Michael T. | Director | Buy | 91.3 | +16,000 | 94.40% | ✗ | $20.2K |
| Jan 21, 2025 | Jan 23, 2025 | Prichard Heather Ledbetter | COO | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Jan 21, 2025 | Jan 23, 2025 | Scheessele William John | Chief Commercial Officer | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Jan 21, 2025 | Jan 23, 2025 | Cao Yang | Chief Regulatory Officer | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Jan 21, 2025 | Jan 23, 2025 | Dougan Brady W | Director | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Jan 21, 2025 | Jan 23, 2025 | Niklason Laura E | CEO | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Jan 21, 2025 | Jan 23, 2025 | Sander Dale A. | CFO | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Jan 21, 2025 | Jan 23, 2025 | Parikh Shamik J | Chief Medical Officer | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Dec 19, 2024 | Dec 20, 2024 | Niklason Laura E | CEO | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Dec 19, 2024 | Dec 20, 2024 | Sander Dale A. | CFO | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Dec 19, 2024 | Dec 20, 2024 | Prichard Heather Ledbetter | COO | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Dec 19, 2024 | Dec 20, 2024 | Dougan Brady W | Director | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Dec 4, 2024 | Dec 4, 2024 | Constantino Michael T. | Director | Buy | 91.3 | +4,600 | 37.25% | ✗ | $20.2K |
| Nov 19, 2024 | Nov 21, 2024 | Niklason Laura E | CEO | Buy | 47.5 | +1,797 | 0.05% | ✗ | $8K |
| Nov 19, 2024 | Nov 21, 2024 | Dougan Brady W | Director | Buy | 47.5 | +1,797 | 0.05% | ✗ | $8K |
| Nov 18, 2024 | Nov 20, 2024 | Niklason Laura E | CEO | Sell | 16.3 | -1,500,000 | -29.23% | ✗ | $6.6M |
| Nov 18, 2024 | Nov 20, 2024 | Dougan Brady W | Director | Sell | 16.3 | -1,500,000 | -29.23% | ✗ | $6.6M |
| Sep 13, 2024 | Sep 16, 2024 | Green Charles Bruce | Director | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Sep 10, 2024 | Sep 11, 2024 | Sebelius Kathleen | Director | Sell | 26.3 | -5,182 | -5.98% | ✗ | $28K |
| Sep 9, 2024 | Sep 11, 2024 | Dougan Brady W | Director | Sell | 17.5 | -446,378 | -8.00% | ✗ | $2.4M |
| Sep 9, 2024 | Sep 11, 2024 | Niklason Laura E | CEO | Sell | 17.5 | -446,378 | -8.00% | ✗ | $2.4M |
| Aug 29, 2024 | Sep 3, 2024 | Niklason Laura E | CEO | Buy | 47.5 | +1,222 | 0.02% | ✗ | $8K |
| Aug 29, 2024 | Sep 3, 2024 | Dougan Brady W | Director | Buy | 47.5 | +1,222 | 0.02% | ✗ | $8K |
| Aug 27, 2024 | Aug 29, 2024 | Dougan Brady W | Director | Sell | 16.3 | -881,878 | -13.65% | ✗ | $5.7M |
| Aug 27, 2024 | Aug 29, 2024 | Niklason Laura E | CEO | Sell | 16.3 | -881,878 | -13.65% | ✗ | $5.7M |
| Aug 27, 2024 | Aug 29, 2024 | Sander Dale A. | CFO | Sell | 20.0 | -39,389 | -63.54% | ✗ | $263.1K |
| Aug 15, 2024 | Aug 15, 2024 | Constantino Michael T. | Director | Buy | 91.3 | +3,100 | 33.51% | ✗ | $19.5K |
| Jun 14, 2024 | Jun 17, 2024 | Sebelius Kathleen | Director | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Jun 13, 2024 | Jun 17, 2024 | Windham-Bannister Susan Richards | Director | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Jun 13, 2024 | Jun 17, 2024 | Wallace Max N. | Director | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Jun 13, 2024 | Jun 17, 2024 | Seimetz Diane | Director | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Jun 13, 2024 | Jun 17, 2024 | Pope Todd | Director | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Jun 13, 2024 | Jun 17, 2024 | Niklason Laura E | CEO | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Jun 13, 2024 | Jun 17, 2024 | Jones Keith Anthony | Director | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Jun 13, 2024 | Jun 17, 2024 | Green Charles Bruce | Director | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Jun 13, 2024 | Jun 17, 2024 | Dougan Brady W | Director | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Jun 13, 2024 | Jun 17, 2024 | Constantino Michael T. | Director | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Jun 13, 2024 | Jun 17, 2024 | Brown Emery N. | Director | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Jun 13, 2024 | Jun 17, 2024 | Bamforth John Philip | Director | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Jun 17, 2024 | Jones Keith Anthony | Director | Neutral | 52.5 | - | 0.00% | ✗ | - | |
| Jun 17, 2024 | Bamforth John Philip | Director | Neutral | 52.5 | - | 0.00% | ✗ | - | |
| Jun 11, 2024 | Jun 13, 2024 | Niklason Laura E | CEO | Sell | 17.5 | -630,148 | -8.89% | ✗ | $4.5M |
| Jun 11, 2024 | Jun 13, 2024 | Dougan Brady W | Director | Sell | 17.5 | -630,148 | -8.89% | ✗ | $4.5M |
| Jun 4, 2024 | Jun 4, 2024 | Niklason Laura E | CEO | Buy | 48.8 | +2,362 | 0.03% | ✗ | $15K |
| Jun 4, 2024 | Jun 4, 2024 | Dougan Brady W | Director | Buy | 48.8 | +2,362 | 0.03% | ✗ | $15K |
| May 31, 2024 | Jun 4, 2024 | Niklason Laura E | CEO | Sell | 16.3 | -1,001,852 | -12.39% | ✗ | $7.8M |
| May 31, 2024 | Jun 4, 2024 | Dougan Brady W | Director | Sell | 16.3 | -1,001,852 | -12.39% | ✗ | $7.8M |
| Jun 3, 2024 | Jun 3, 2024 | Niklason Laura E | CEO | Buy | 48.8 | +2,050 | 0.03% | ✗ | $15.1K |
| Jun 3, 2024 | Jun 3, 2024 | Dougan Brady W | Director | Buy | 48.8 | +2,050 | 0.03% | ✗ | $15.1K |
| May 30, 2024 | Jun 3, 2024 | Prichard Heather Ledbetter | COO | Sell | 17.5 | -191,511 | -96.05% | ✗ | $1.6M |
| May 20, 2024 | May 21, 2024 | Wallace Max N. | Director | Buy | 95.0 | +8,005 | 14.16% | ✗ | $50K |
| May 20, 2024 | May 21, 2024 | Green Charles Bruce | Director | Neutral | 52.5 | - | 0.00% | ✗ | - |
| May 17, 2024 | May 20, 2024 | Green Charles Bruce | Director | Neutral | 52.5 | - | 0.00% | ✗ | - |
| May 15, 2024 | May 15, 2024 | Binder Gordon M | Director | Buy | 97.5 | +100,000 | 90.91% | ✗ | $667.5K |
| Dec 8, 2023 | Dec 12, 2023 | Scheessele William John | Chief Commercial Officer | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Dec 8, 2023 | Dec 12, 2023 | Prichard Heather Ledbetter | COO | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Dec 8, 2023 | Dec 12, 2023 | Parikh Shamik J | Chief Medical Officer | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Dec 8, 2023 | Dec 12, 2023 | Cao Yang | Chief Regulatory Officer | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Dec 8, 2023 | Dec 12, 2023 | Sander Dale A. | CFO | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Dec 8, 2023 | Dec 12, 2023 | Dougan Brady W | Director | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Dec 8, 2023 | Dec 12, 2023 | Niklason Laura E | CEO | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Nov 21, 2023 | Nov 21, 2023 | Wallace Max N. | Director | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Oct 10, 2023 | Oct 10, 2023 | Dougan Brady W | Director | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Oct 10, 2023 | Oct 10, 2023 | Niklason Laura E | CEO | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Sep 14, 2023 | Sep 15, 2023 | Niklason Laura E | CEO | Sell | 16.3 | -2,000,000 | -20.06% | ✗ | $5.6M |
| Sep 14, 2023 | Sep 15, 2023 | Dougan Brady W | Director | Sell | 16.3 | -2,000,000 | -20.06% | ✗ | $5.6M |
| Aug 17, 2023 | Aug 21, 2023 | Niklason Laura E | CEO | Sell | 16.3 | -1,799,596 | -15.29% | ✗ | $6.4M |
| Aug 17, 2023 | Aug 21, 2023 | Dougan Brady W | Director | Sell | 16.3 | -1,799,596 | -15.29% | ✗ | $6.4M |
| Aug 17, 2023 | Aug 21, 2023 | Ayabudge LLC | 10% Owner | Sell | 16.3 | -1,799,596 | -18.01% | ✗ | $6.4M |
| Jun 15, 2023 | Jun 16, 2023 | Brown Emery N. | Director | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Jun 15, 2023 | Jun 16, 2023 | Wallace Max N. | Director | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Jun 15, 2023 | Jun 16, 2023 | Green Charles Bruce | Director | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Jun 15, 2023 | Jun 16, 2023 | Dougan Brady W | Director | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Jun 15, 2023 | Jun 16, 2023 | Sebelius Kathleen | Director | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Jun 15, 2023 | Jun 16, 2023 | Constantino Michael T. | Director | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Jun 15, 2023 | Jun 16, 2023 | Pope Todd | Director | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Jun 15, 2023 | Jun 16, 2023 | Binder Gordon M | Director | Neutral | 52.5 | - | 0.00% | ✗ | - |