Arq, Inc. - ARQ
Ownership (Schedule 13D / 13G) · latest 50 filings
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| Filed | Form | Reporting person | Percent | Shares | SEC |
|---|---|---|---|---|---|
| Mar 12, 2026 | SCHEDULE 13G | Daniel Kaufman | 5.12% | 2,191,278 | View |
| Jan 28, 2026 | SCHEDULE 13G/A | Orin Hirschman | 5.8% | 2,470,950 | View |
| Jan 28, 2026 | SCHEDULE 13G/A | AIGH Capital Management LLC | 5.3% | 2,273,092 | View |
Percent = "% of class represented by amount beneficially owned" for this reporting person in the filed 13D/13G.
Shares = reported beneficial ownership amount for the same row (not portfolio shares from 13F).
Amendments (/A) can repeat the same holder over time, so rows should not be summed.
Extraction is best-effort from filing text and can be missing or noisy; verify exact figures via the SEC link in each row.