RNA insider trading — Atrium Therapeutics, Inc.
No open-market insider purchases or sales were filed for Atrium Therapeutics, Inc. (RNA) in the last 90 days. Other insider transactions — such as stock awards, option exercises or tax withholding — are listed below.
Updated Oct 16, 2026.
Recent RNA insider transactions
Every Form 4 filed by Atrium Therapeutics, Inc. officers, directors and 10% owners in the last 90 days, newest first. P = open-market purchase, S = open-market sale; other codes are awards, option exercises, tax withholding or gifts.
| Trade date | Insider | Role | Type | Ownership | Shares | Price | Value | Filing |
|---|---|---|---|---|---|---|---|---|
| Sep 18, 2026 | Younis Husam | Chief Scientific Officer | F · Tax withholding | Direct | 11,216 | $8.95 | $100K | Form 4 |
| Sep 18, 2026 | Hughes Steven George | Chief Medical Officer | F · Tax withholding | Direct | 21,459 | $8.95 | $192K | Form 4 |
| Sep 18, 2026 | Boyce Sarah | Director | F · Tax withholding | Direct | 126,418 | $8.95 | $1.13M | Form 4 |
| Sep 18, 2026 | Flanagan W. Michael | Director | F · Tax withholding | Direct | 22,812 | $8.95 | $204K | Form 4 |
| Sep 18, 2026 | Kenney Stephanie | See Remarks | F · Tax withholding | Direct | 2,375 | $8.95 | $21K | Form 4 |
| Sep 18, 2026 | Gallagher Kathleen P. | See Remarks | F · Tax withholding | Direct | 11,632 | $8.95 | $104K | Form 4 |
| Sep 18, 2026 | Winslow Brendan R. | Chief Financial Officer | F · Tax withholding | Direct | 6,742 | $8.95 | $60K | Form 4 |
| Sep 18, 2026 | Hoyos Rocio Martin | Chief Strategy Officer | F · Tax withholding | Direct | 8,320 | $8.95 | $74K | Form 4 |
RNA insider trading FAQ
Are insiders buying RNA stock?
Not on the open market. In the last 90 days, Atrium Therapeutics, Inc. insiders made no open-market purchases, and no open-market sales. Purchases with the insider's own money are generally seen as a stronger signal than sales, which happen for many reasons (taxes, diversification, planned 10b5-1 sales).
Who are the insiders trading RNA?
No insider bought or sold on the open market in the last 90 days.
Where does RNA insider trading data come from?
Every transaction comes from SEC Form 4 filings on EDGAR. Company officers, directors and 10% owners must file a Form 4 within two business days of buying or selling. InsiderBolt reads these filings directly from the SEC.
More stocks with insider activity
Insider trading data is for informational purposes only and is not investment advice. Filings can be amended; always confirm details on SEC EDGAR.