BALL ROBERT JOSEPH (CEO & Executive Chairman) purchased 6.5% of their position (7.20K shares) of SHOULDER INNOVATIONS, INC. on the open market
Open‑market purchase worth $107.0K — a moderate purchase. The strongest form of insider conviction signal.
P · 2 purchases
Filed: 12/15/2025ACC: 0001628280-25-057067
DirectorOfficer· CEO & Executive Chairman
Since Feb 2026
+7.20K
Net shares
Net buyer
$107.0K
Total acquired
2
Open market trades
2B · 0S
2
Total transactions
7.20K acquired
Non-Derivative Transactions2
Common Stock
Direct
Shares
+3.30K
Price / share
$14.83
Trade value
$48.93K
% of position
3.0%
12/11/2025
111.26K→114.56K
Common Stock
Direct
Shares
+3.90K
Price / share
$14.89
Trade value
$58.08K
% of position
3.4%
12/12/2025
114.56K→118.46K
Total
Net shares
+7.20K
Net value
$107.01K
| Security | Date | Type | Shares | Price / Share | Trade Value | % of Position | Held Before | Held After |
|---|---|---|---|---|---|---|---|---|
| Common Stock Direct | 12/11/2025 | P · Purchase | +3.30K | $14.83 | $48.93K | 3.0% | 111.26K | 114.56K |
| Common Stock Direct | 12/12/2025 | P · Purchase | +3.90K | $14.89 | $58.08K | 3.4% | 114.56K | 118.46K |
| Total | +7.20K | $107.01K | ||||||
Derivative Transactions0
No derivative transactions reported