← All stocks

Atrium Therapeutics, Inc.

RNA No buying or selling

CIK 0002093101 #3847 in the set updated 21 Sep 2026

Bought (120 mo)

$0.00

out of their own pocket, the only kind of buying there is

Sold (120 mo)

$0.00

$0.00 on a plan · $0.00 straight out of an exercise

Sold at will

$0.00

0 of 0 sales

Net

$0.00

$0.00 against sales at will

By person

6 insiders · 0 transactions

Insider

Role

Bought

Sold

Net

Holding

Of company

Worth

Change

Gallagher Kathleen P.

See Remarks

—

131,361

0.7679%

—

+355.2%

Hughes Steven George

Chief Medical Officer

—

73,097

0.4273%

—

+69.6%

Younis Husam

Chief Scientific Officer

—

52,657

0.3078%

—

+132.4%

Hoyos Rocio Martin

Chief Strategy Officer

—

46,660

0.2728%

—

+180.1%

Winslow Brendan R.

Chief Financial Officer

—

43,601

0.2549%

—

+220.6%

Kenney Stephanie

See Remarks

—

35,460

0.2073%

—

+549.5%

Individual transactions

Nothing of that kind in this period.

What was left out

Form 4 filings counted 11

Amendments (4/A) skipped 0

Filings about a different issuer 0

Unreadable filings 0

Joint filings 0

Sales on a Rule 10b5-1 plan 0

Sales straight out of an exercise 0

Sales at will 0

Transactions with no price 0

Shares from compensation/vesting 252,500

History held since 2 Mar 2026