Insider trading · Q3 2026 · CIK 2093101

Atrium Therapeutics, Inc. (RNA) insider trading.

In Q3 2026, insiders at Atrium Therapeutics, Inc. reported 8 non-derivative transactions on 8 Forms 3, 4 and 5: 0 open-market purchases and 0 sales.

Transactions
8
Purchases (P)
0
Sales (S)
0
Net shares, P minus S
0
Insiders
8
Last filed
2026-09-22

Insiders

InsiderRelationshipTransactionsBuysSales
Hoyos Rocio MartinOfficer · Chief Strategy Officer100
Winslow Brendan R.Officer · Chief Financial Officer100
Gallagher Kathleen P.Director, Officer · See Remarks100
Kenney StephanieOfficer · See Remarks100
Boyce SarahDirector100
Flanagan W. MichaelDirector100
Hughes Steven GeorgeOfficer · Chief Medical Officer100
Younis HusamOfficer · Chief Scientific Officer100

Transactions

8 non-derivative rows, newest transaction first. Shares and prices as filed.
DateInsiderCodeSharesPriceOwned afterFiling
2026-09-18Hoyos Rocio MartinF (D)8,320$8.9538,340Form 4
2026-09-18Winslow Brendan R.F (D)6,742$8.9536,859Form 4
2026-09-18Gallagher Kathleen P.F (D)11,632$8.95119,729Form 4
2026-09-18Kenney StephanieF (D)2,375$8.9533,085Form 4
2026-09-18Boyce SarahF (D)126,418$8.95138,668Form 4
2026-09-18Flanagan W. MichaelF (D)22,812$8.9531,974Form 4
2026-09-18Hughes Steven GeorgeF (D)21,459$8.9551,638Form 4
2026-09-18Younis HusamF (D)11,216$8.9541,441Form 4

Transaction codes in this quarter

Get RNA insider transactions through the API

Request with your API key
curl "https://sec-api.dev/api/v1/insider-transactions?period=2026q3&cik=2093101&limit=100" \
  -H "Authorization: Bearer $SEC_API_KEY"

Insider trading API guide · RNA company page · Atrium Therapeutics, Inc. on SEC.gov

Questions

Are insiders buying or selling Atrium Therapeutics, Inc. (RNA)?

In Q3 2026, insiders at Atrium Therapeutics, Inc. reported 8 non-derivative transactions on 8 Forms 3, 4 and 5: 0 open-market purchases and 0 sales. Grants, tax withholding and option exercises are counted as transactions but are not purchases or sales.

Where do these Atrium Therapeutics, Inc. insider trades come from?

From the SEC Insider Transactions Data Sets for Q3 2026, which republish the Forms 3, 4 and 5 filed on EDGAR. Each row links to its filing on SEC.gov.

Source: SEC Insider Transactions Data Sets, Q3 2026, retrieved 2026-10-27. Footnotes, derivative holdings and amendments are in the linked filings. Not investment advice.

Plain-text version for agents and LLMs: /insider-trading/rna.md

Independent. Not affiliated with, endorsed by, or sponsored by the U.S. Securities and Exchange Commission. Data is reproduced from public SEC filings and datasets. Not investment advice.