Atrium Therapeutics, Inc. (RNA)
Data as of , from SEC Form 4 filings.
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Husam Younis - OfficerTax withholding / forfeiture$100K- Steven George Hughes - OfficerTax withholding / forfeiture$192K
- W. Michael Flanagan - Director
About Atrium Therapeutics, Inc. (RNA)
Atrium Therapeutics, Inc. files with the SEC under CIK 0002093101 and is classified as pharmaceutical preparations. We track it alongside the rest of the Health Care sector.
RNA Form 4 activity by transaction type, last 90 days
| Form 4 transaction type | Transactions | Shares | Total value |
|---|---|---|---|
| Tax withholding / forfeiture | 8 | 210,974 |
Dollar totals cover purchases and sales only (codes P and S). Grants, option exercises, gifts and tax withholding are counted in shares, because none of them is a trade at a market price.
RNA insider transactions (Form 4)
2519 Form 4 filings on record, the earliest from Mar 2, 2026, newest first.
| Date | Insider | Transaction | Security | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Husam Younis - Officer | Tax withholding / forfeiture | Common Stock | 11,216 | $8.95 | $100K | |
| Steven George Hughes - Officer | Tax withholding / forfeiture | Common Stock | 21,459 | $8.95 | $192K | |
| W. Michael Flanagan - Director | Tax withholding / forfeiture | Common Stock | 22,812 | $8.95 | $204K | |
| Sarah Boyce - Director | Tax withholding / forfeiture | Common Stock | 126,418 | $8.95 | $1.13M | |
 Stephanie Kenney - Officer | Tax withholding / forfeiture | Common Stock | 2,375 | $8.95 | $21K | |
 Kathleen P. Gallagher - Officer | Tax withholding / forfeiture | Common Stock | 11,632 | $8.95 | $104K | |
 Brendan R. Winslow - Officer | Tax withholding / forfeiture | Common Stock | 6,742 | $8.95 | $60K | |
 Rocio Martin Hoyos - Officer | Tax withholding / forfeiture | Common Stock | 8,320 | $8.95 | $74K | |
| Stephanie Kenney - Officer | Grant or award | Common Stock | 30,000 footnote F1 | $0.00 | - | |
| Stephanie Kenney - Officer | Grant or award | Stock Option (Right to Buy) | 60,000 | $0.00 | - | |
| ||||||
| Steven George Hughes - Officer | Grant or award | Common Stock | 30,000 footnote F1 | $0.00 | - | |
| Steven George Hughes - Officer | Grant or award | Stock Option (Right to Buy) | 60,000 | $0.00 | - | |
| ||||||
| Brendan R. Winslow - Officer | Grant or award | Common Stock | 30,000 footnote F1 | $0.00 | - | |
| Brendan R. Winslow - Officer | Grant or award | Stock Option (Right to Buy) | 60,000 | $0.00 | - | |
| ||||||
| Kathleen P. Gallagher - Officer | Grant or award | Common Stock | 102,500 footnote F1 | $0.00 | - | |
| Kathleen P. Gallagher - Officer | Grant or award | Stock Option (Right to Buy) | 205,000 | $0.00 | - | |
| ||||||
| Rocio Martin Hoyos - Officer | Grant or award | Common Stock | 30,000 footnote F1 | $0.00 | - | |
| Rocio Martin Hoyos - Officer | Grant or award | Stock Option (Right to Buy) | 60,000 | $0.00 | - | |
| ||||||
| Husam Younis - Officer | Grant or award | Common Stock | 30,000 footnote F1 | $0.00 | - | |
| Husam Younis - Officer | Grant or award | Stock Option (Right to Buy) | 60,000 | $0.00 | - | |
| ||||||
| Sarah Boyce | Grant or award | Stock Option (Right to Buy) | 20,000 | $0.00 | - | |
| Carsten Boess | Grant or award | Stock Option (Right to Buy) | 20,000 | $0.00 | - | |
| Troy Edward Wilson | Grant or award | Stock Option (Right to Buy) | 20,000 | $0.00 | - | |
| W. Michael Flanagan | Grant or award | Stock Option (Right to Buy) | 20,000 | $0.00 | - | |
| Simona Skerjanec | Grant or award | Stock Option (Right to Buy) | 20,000 | $0.00 | - | |
Item 8.01
Item 1.01, 3.02, 8.01, 9.01
Item 2.02, 9.01
Item 8.01, 9.01
RNA insider trading FAQ
What is the latest insider trade for RNA?
Atrium Therapeutics, Inc. (RNA) had 8 insider filings in the last 90 days, with the most recent on 2026-09-22. The full record for RNA runs to 19 Form 4 filings, the earliest from 2026-03-02. InsiderAlpha adds new Form 4, Form 144 and 8-K filings as they arrive from SEC EDGAR.
How many insiders are buying RNA stock?
No insider purchases of RNA were filed in the last 90 days.
How many insiders are selling RNA stock?
No insider sales of RNA were filed in the last 90 days.
Where can I see RNA SEC filings (Form 4, 10-K, 10-Q, 8-K)?
This page collects RNA Form 4 insider transactions, Form 144 sale notices and 8-K filings in one place. Annual 10-K and quarterly 10-Q reports live on the company's SEC EDGAR page.
More Health Care companies with insider activity
Recent insider filings
10The EDGAR links open each original Form 4, so you can check any number on this page against the filing it came from.
- - Husam Younis view on EDGAR
- - Steven George Hughes view on EDGAR
- - W. Michael Flanagan view on EDGAR
- - Sarah Boyce view on EDGAR
- - Stephanie Kenney view on EDGAR
- - Kathleen P. Gallagher view on EDGAR
- - Brendan R. Winslow view on EDGAR
- - Rocio Martin Hoyos view on EDGAR
- - Stephanie Kenney view on EDGAR
Related companies with recent insider activity
Learn more
- What the Form 4 transaction codes mean
- Grants, option exercises, gifts and tax withholding are not trades on the market. The codes say which is which.
- Insider activity in Health Care
- Where RNA's peers are being bought and sold.
- Every recent Form 4
- The market-wide feed, updated as filings arrive from SEC EDGAR.
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