Rockwell Medical (RMTI)
Manufactures hemodialysis concentrates and develops adjacent renal-care products.
$8.07
At close+0.03 (+0.31%)
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Breakdown13F · 13D/G · Form 4
| Institutions44 holders · as of Mar 31, 2026 | 10.08% | 397.8K shares | |
| Insiders12 holders · as of Jul 6, 2026 | 7.85% | 309.8K shares | |
| Strategic holders1 holder · as of Apr 15, 2025 | 9.03% | 356.5K shares | |
| Otherremainder | 73.04% | 2.88M shares |
3.95M company shares as of Sep 3, 2026 · institutions as of Mar 31, 2026 · holders as of their latest filing
Institutions13F, as of Mar 31, 2026
44 holders · 3.98M shares · 13 new positions · 23 increased · 8 reduced · 7 closed
| Holder | Shares | % outstanding | Chg q/q | Filed |
|---|---|---|---|---|
| Vanguard Capital Management LLC | 1.18M | 29.96% | +1.18Mnew | May 15, 2026 |
| Renaissance Technologies LLC | 639.1K | 16.19% | +170.8K | May 14, 2026 |
| Geode Capital Management, LLC | 429.2K | 10.87% | +64.4K | May 15, 2026 |
| BlackRock, Inc. | 236.7K | 6.00% | +16.0K | May 13, 2026 |
| Vanguard Fiduciary Trust Co | 231.3K | 5.86% | +231.3Knew | May 8, 2026 |
| UBS Group AG | 178.9K | 4.53% | +39.2K | May 5, 2026 |
| Wealthspire Advisors, LLC | 151.8K | 3.85% | +151.8K | May 1, 2026 |
| Northern Trust Corp | 104.5K | 2.65% | +2.1K | May 14, 2026 |
Ownership statements13D/G · 5% or more, as filed
| Holder | % of class | Shares | Form | Filed |
|---|---|---|---|---|
| Armistice Capital, LLC | 6.29% | 13G | Aug 14, 2025 ↗ |
Insider tradesForm 4
Latest trades
| Date | Insider | Type | Shares | Avg price | Owned after |
|---|---|---|---|---|---|
| Jan 2, 2026 | Jesse Neriofficer: SVP and CFO | Sale | 886 | $0.8355 | 124,842 |
| Jan 2, 2026 | Heather Hunterofficer: Chief Operating Officer | Sale | 2,868 | $0.8355 | 132,523 |
| Nov 18, 2025 | John G. Cooperdirector | Sale | 5,079 | $0.8700 | 140,372 |
| Oct 1, 2025 | Heather Hunterofficer: SVP, Chief Operating Officer | Sale | 2,868 | $1.19 | 135,391 |
| Oct 1, 2025 | Mark Strobeckdirector, officer: President and CEO | Sale | 6,926 | $1.19 | 330,826 |
| Oct 1, 2025 | Jesse Neriofficer: SVP and CFO | Sale | 886 | $1.19 | 125,728 |
| Oct 1, 2025 | Timothy Choleofficer: SVP and CCO | Sale | 2,868 | $1.19 | 125,299 |
CongressHouse and Senate disclosures
Not reported.