SI
SHOULDER INNOVATIONS, INC.
NYSE · Healthcare · Medical - Specialties · US
$20.32
−0.34%0
Insider buys (3m)
16
Insider sells (3m)
-$5.3M
Net value (3m)
+42.1%
Price return (3m)
Form 4 filings
| Date | Insider | Activity | Shares | Price |
|---|---|---|---|---|
| Aug 28, 2026 | Gilde Healthcare Holding B.V. · 10 percent owner | Sale | 1,196 | $23 |
| Aug 24, 2026 | Gilde Healthcare Holding B.V. · 10 percent owner | Sale | 681 | $23 |
| Aug 24, 2026 | Gilde Healthcare Holding B.V. · 10 percent owner | Sale | 3,900 | $23 |
| Aug 24, 2026 | Gilde Healthcare Holding B.V. · 10 percent owner | Sale | 20,516 | $23 |
| Aug 18, 2026 | Ahearn Matthew Fraser · director, officer: Chief Operating Officer | Sale | 8,314 | $20 |
| Aug 18, 2026 | Ahearn Matthew Fraser · director, officer: Chief Operating Officer | Sale | 1,600 | $21 |
| Aug 18, 2026 | Ahearn Matthew Fraser · director, officer: Chief Operating Officer | Sale | 12,586 | $21 |
| Aug 7, 2026 | Gilde Healthcare Holding B.V. · 10 percent owner | Sale | 7,338 | $23 |
| Aug 7, 2026 | Gilde Healthcare Holding B.V. · 10 percent owner | Sale | 2,095 | $23 |
| Aug 5, 2026 | Gilde Healthcare Holding B.V. · 10 percent owner | Sale | 99,812 | $23 |
| Aug 5, 2026 | Gilde Healthcare Holding B.V. · 10 percent owner | Sale | 10,751 | $23 |
| Aug 3, 2026 | Gilde Healthcare Holding B.V. · 10 percent owner | Sale | 28,245 | $23 |
| Aug 3, 2026 | Gilde Healthcare Holding B.V. · 10 percent owner | Sale | 20,034 | $23 |
| Jun 29, 2026 | BUCKMAN PAUL · director | A-Award | 5,046 | $0.00 |
| Jun 29, 2026 | Buchholz Richard · director | A-Award | 5,046 | $0.00 |
| Jun 29, 2026 | Hykes Andrew · director | A-Award | 5,046 | $0.00 |
| Jun 29, 2026 | Sidow Kevin K. · director | A-Award | 5,046 | $0.00 |
| Jun 29, 2026 | Tansey Casey M · director, 10 percent owner: | A-Award | 5,046 | $0.00 |
| Jun 16, 2026 | Ahearn Matthew Fraser · director, officer: Chief Operating Officer | Sale | 15,856 | $19 |
| Jun 16, 2026 | Ahearn Matthew Fraser · director, officer: Chief Operating Officer | Sale | 1,644 | $18 |
| Jun 16, 2026 | Ahearn Matthew Fraser · director, officer: Chief Operating Officer | Sale | 2,500 | $19 |
| Apr 30, 2026 | Ball Robert Joseph · director, officer: CEO & Executive Chairman | M-Exempt | 10,000 | $2.48 |
| Apr 21, 2026 | Ahearn Matthew Fraser · director, officer: Chief Operating Officer | M-Exempt | 7,421 | $2.48 |
| Apr 21, 2026 | Ahearn Matthew Fraser · director, officer: Chief Operating Officer | M-Exempt | 14,243 | $2.86 |
| Mar 17, 2026 | Ball Robert Joseph · director, officer: CEO & Executive Chairman | Purchase | 2,200 | $15 |
| Mar 17, 2026 | BUCKMAN PAUL · director | M-Exempt | 26,205 | $2.10 |
| Mar 17, 2026 | BUCKMAN PAUL · director | F-InKind | 3,292 | $15 |
| Mar 17, 2026 | Points Jeffrey S. · officer: Chief Financial Officer | M-Exempt | 13,264 | $2.48 |
| Mar 17, 2026 | Buchholz Richard · director | Purchase | 1,000 | $15 |
| Mar 17, 2026 | Points Jeffrey S. · officer: Chief Financial Officer | Purchase | 2,000 | $15 |
Institutional positioning
13F filings over the trailing two quarters
New 16Increased 24Reduced 10Sold out 56
| Filer | Action | Shares | Filed |
|---|---|---|---|
| FMR LLC | Reduced | 3,784,552 | May 15, 2026 |
| BLACKROCK, INC. | Increased | 556,052 | May 13, 2026 |
| SECTORAL ASSET MANAGEMENT INC | Reduced | 430,407 | May 15, 2026 |
| VANGUARD CAPITAL MANAGEMENT LLC | New Position | 413,480 | May 15, 2026 |
| TIMESSQUARE CAPITAL MANAGEMENT, LLC | Increased | 322,764 | May 7, 2026 |
| ROUBAIX CAPITAL, LLC | Increased | 257,121 | May 6, 2026 |
| ALYESKA INVESTMENT GROUP, L.P. | Unchanged | 232,984 | May 15, 2026 |
| SIO CAPITAL MANAGEMENT, LLC | Reduced | 210,641 | May 14, 2026 |
| MILLENNIUM MANAGEMENT LLC | Increased | 193,942 | May 15, 2026 |
| GEODE CAPITAL MANAGEMENT, LLC | Increased | 183,679 | May 15, 2026 |
| MORGAN STANLEY | Reduced | 157,578 | May 15, 2026 |
| JPMORGAN CHASE & CO | Increased | 130,711 | May 13, 2026 |
| CM MANAGEMENT, LLC | Increased | 100,000 | May 8, 2026 |
| STATE STREET CORP | Increased | 93,245 | May 15, 2026 |
| WALLEYE CAPITAL LLC | Reduced | 85,183 | May 13, 2026 |
Insider activity from SEC Form 4; institutional positioning from 13F filings · Latest filing Aug 28, 2026