FLANAGAN W. MICHAEL enters ATRIUM THERAPEUTICS, INC. with 54.79K shares — 100% direct ownership
Full direct ownership at entry is the strongest form of insider alignment with shareholders.
Direct
Filed: 2/26/2026ACC: 0001193125-26-077801
Director
Since Feb 2026
54.79K
Baseline shares
100% direct
54.79K
Direct ownership
1 position
0.00
Derivative underlying
0 instruments
1
Security positions
All direct
Non-Derivative Holdings1
Common Stock
DirectShares owned54.79K
Total
54.79K direct54.79K
| Security Title | Shares Owned | Ownership Type |
|---|---|---|
| Common Stock | 54.79K | Direct |
| Total | 54.79K | 54.79K direct |
Derivative Holdings0
No derivative holdings reported