# Atrium Therapeutics, Inc. (RNA) insider trading, Q3 2026

Canonical: https://sec-api.dev/insider-trading/rna

> 8 non-derivative transactions: 0 purchases, 0 sales. CIK 2093101.

| Date | Insider | Relationship | Code | Shares | Price | Owned after | Filing |
| --- | --- | --- | --- | --- | --- | --- | --- |
| 2026-09-18 | Hoyos Rocio Martin | Officer | F | 8320.0 | 8.95 | 38340.0 | https://www.sec.gov/Archives/edgar/data/2093101/000119312526397936/0001193125-26-397936-index.htm |
| 2026-09-18 | Winslow Brendan R. | Officer | F | 6742.0 | 8.95 | 36859.0 | https://www.sec.gov/Archives/edgar/data/2093101/000119312526397941/0001193125-26-397941-index.htm |
| 2026-09-18 | Gallagher Kathleen P. | Director, Officer | F | 11632.0 | 8.95 | 119729.0 | https://www.sec.gov/Archives/edgar/data/2093101/000119312526397944/0001193125-26-397944-index.htm |
| 2026-09-18 | Kenney Stephanie | Officer | F | 2375.0 | 8.95 | 33085.0 | https://www.sec.gov/Archives/edgar/data/2093101/000119312526397948/0001193125-26-397948-index.htm |
| 2026-09-18 | Boyce Sarah | Director | F | 126418.0 | 8.95 | 138668.0 | https://www.sec.gov/Archives/edgar/data/2093101/000119312526397951/0001193125-26-397951-index.htm |
| 2026-09-18 | Flanagan W. Michael | Director | F | 22812.0 | 8.95 | 31974.0 | https://www.sec.gov/Archives/edgar/data/2093101/000119312526397955/0001193125-26-397955-index.htm |
| 2026-09-18 | Hughes Steven George | Officer | F | 21459.0 | 8.95 | 51638.0 | https://www.sec.gov/Archives/edgar/data/2093101/000119312526397967/0001193125-26-397967-index.htm |
| 2026-09-18 | Younis Husam | Officer | F | 11216.0 | 8.95 | 41441.0 | https://www.sec.gov/Archives/edgar/data/2093101/000119312526397971/0001193125-26-397971-index.htm |

Source: https://www.sec.gov/data-research/sec-markets-data/insider-transactions-data-sets

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