Rockwell Medical, Inc.
RMTI- Exchange
- Nasdaq
- Industry
- Pharmaceutical Preparations
- SEC CIK
- 0001041024
No open-market purchases or sales by Rockwell Medical, Inc. insiders were filed in the last 90 days; 37 institutions reported holding it in 13F filings for Q2 2026, worth $1.90M in total; no superinvestor holds it.
Holders of 5% or more of RMTI
Holders whose latest Schedule 13D or 13G filing reports 5% or more of Rockwell Medical, Inc., largest stake first. The change is against the holder's previous filing.
| Holder | Latest form | Stake | Change | First filed | Latest filing | Filing |
|---|---|---|---|---|---|---|
| Irrevocable Larson Family Investment Trust | 13G/A | 10.70%3.47M shares | +0.80 ppfrom 9.90% | May 3, 202411 filings | Dec 17, 2024 | SEC |
Stakes are as of each holder's latest filing. Holders whose last filing was in the old format (before December 18, 2024) have no stake on record and are not listed, and after an acquisition or delisting holders usually stop filing.
13D and 13G filings
15 Schedule 13D and 13G filings on Rockwell Medical, Inc., newest first, including old-format filings without a stake.
| Filed (ET) | Filer | Form | Stake | Change | Event date | Filing |
|---|---|---|---|---|---|---|
| Nov 14, 20256:22 PM ET | Armistice Capital, LLCand 1 other | 13G/A | 4.99%1.81M shares | −1.30 ppfrom 6.29%Below 5% | Sep 30, 2025 | SEC |
| Aug 14, 20258:59 PM ET | Armistice Capital, LLCand 1 other | 13G | 6.29%2.15M shares | +1.30 ppfrom 4.99% | Jun 30, 2025 | SEC |
| May 15, 20253:45 PM ET | Armistice Capital, LLCand 1 other | 13G/A | 4.99%3.28M shares | −5.00 ppfrom 9.99%Below 5% | Mar 31, 2025 | SEC |
| Feb 14, 20255:19 PM ET | Armistice Capital, LLCand 1 other | 13G/A | 9.99%3.25M shares | – | Dec 31, 2024 | SEC |
| Dec 17, 20246:11 AM ET | Irrevocable Larson Family Investment Trust | 13G/A | 10.70%3.47M shares | +0.80 ppfrom 9.90% | Dec 12, 2024 | SEC |
| Oct 3, 20244:32 PM ET | Irrevocable Larson Family Investment Trust | 13G/A | 9.90%3.06M shares | +0.50 ppfrom 9.40% | Oct 3, 2024 | SEC |
| Aug 20, 20242:22 PM ET | Irrevocable Larson Family Investment Trust | 13G/A | 9.40%2.91M shares | +0.30 ppfrom 9.10% | Aug 16, 2024 | SEC |
| Aug 2, 20246:01 PM ET | Irrevocable Larson Family Investment Trust | 13G/A | 9.10%2.76M shares | +0.30 ppfrom 8.80% | Jul 30, 2024 | SEC |
| Jul 16, 20245:29 PM ET | Irrevocable Larson Family Investment Trust | 13G/A | 8.80%2.67M shares | +0.30 ppfrom 8.50% | Jul 12, 2024 | SEC |
| Jul 1, 20247:30 PM ET | Irrevocable Larson Family Investment Trust | 13G/A | 8.50%2.50M shares | +0.10 ppfrom 8.40% | Jun 28, 2024 | SEC |
| Jun 25, 20244:38 PM ET | Irrevocable Larson Family Investment Trust | 13G/A | 8.40%2.46M shares | +1.20 ppfrom 7.20% | Jun 24, 2024 | SEC |
| Jun 13, 20246:34 PM ET | Irrevocable Larson Family Investment Trust | 13G/A | 7.20%2.11M shares | +0.90 ppfrom 6.30% | Jun 11, 2024 | SEC |
| May 30, 20244:25 PM ET | Irrevocable Larson Family Investment Trust | 13G/A | 6.30%1.86M shares | – | May 30, 2024 | SEC |
| May 30, 20243:38 PM ET | Irrevocable Larson Family Investment Trust | 13G/A | – | – | May 30, 2024 | SEC |
| May 3, 20244:08 PM ET | Irrevocable Larson Family Investment Trust | 13G | 5.30%1.55M shares | New | Apr 25, 2024 | SEC |
Form 144: proposed insider sales
Notices from officers, directors and other affiliates planning to sell Rockwell Medical, Inc. shares.
No Form 144 notices for Rockwell Medical, Inc. are on file.