SHOULDER INNOVATIONS, INC. (SI) Insider Trading
Over the last 3 months, SI insiders made 0 open-market buys and 3 sales, a net sale of -$374K (SEC Form 4). Over the last 6 months, 37 institutions increased and 24 reduced their position (13F).
Insider Activity
Sentiment
0/100
Buys (3m)
0
Sells (3m)
3
Net (3m)
-$374.3K
Insider trades by month Buys Sells
Feb
Apr
Jul
Dec
Mar
Jun
Context3-month price +39.6%Institutions accumulating (13F)
| Date | Insider | Type | Shares | Price |
|---|---|---|---|---|
| Jun 29, 2026 | Sidow Kevin K.director | Grant | 5,046 | — |
| Jun 29, 2026 | Buchholz Richarddirector | Grant | 5,046 | — |
| Jun 29, 2026 | Hykes Andrewdirector | Grant | 5,046 | — |
| Jun 29, 2026 | Tansey Casey Mdirector, 10 percent owner: | Grant | 5,046 | — |
| Jun 29, 2026 | BUCKMAN PAULdirector | Grant | 5,046 | — |
| Jun 16, 2026 | Ahearn Matthew Fraserdirector, officer: Chief Operating Officer | Sell | 15,856 | $18.68 |
| Jun 16, 2026 | Ahearn Matthew Fraserdirector, officer: Chief Operating Officer | Sell | 1,644 | $18.20 |
| Jun 16, 2026 | Ahearn Matthew Fraserdirector, officer: Chief Operating Officer | Sell | 2,500 | $19.26 |
| Apr 30, 2026 | Ball Robert Josephdirector, officer: CEO & Executive Chairman | Option | 10,000 | $2.48 |
| Apr 21, 2026 | Ahearn Matthew Fraserdirector, officer: Chief Operating Officer | Option | 14,243 | $2.86 |
| Apr 21, 2026 | Ahearn Matthew Fraserdirector, officer: Chief Operating Officer | Option | 7,421 | $2.48 |
| Mar 17, 2026 | BUCKMAN PAULdirector | Option | 26,205 | $2.10 |
| Mar 17, 2026 | Points Jeffrey S.officer: Chief Financial Officer | Buy | 2,000 | $15.00 |
| Mar 17, 2026 | BUCKMAN PAULdirector | Tax | 3,714 | $14.82 |
| Mar 17, 2026 | Ball Robert Josephdirector, officer: CEO & Executive Chairman | Buy | 2,200 | $15.18 |
| Mar 17, 2026 | Buchholz Richarddirector | Buy | 1,000 | $14.84 |
| Mar 17, 2026 | BUCKMAN PAULdirector | Tax | 3,292 | $14.62 |
| Mar 17, 2026 | BUCKMAN PAULdirector | Option | 19,401 | $2.48 |
| Mar 17, 2026 | Points Jeffrey S.officer: Chief Financial Officer | Option | 13,264 | $2.48 |
| Feb 10, 2026 | Ball Robert Josephdirector, officer: CEO & Executive Chairman | Option | 10,000 | $2.48 |
| Feb 10, 2026 | Ball Robert Josephdirector, officer: CEO & Executive Chairman | Option | 2,062 | $2.10 |
| Feb 3, 2026 | Ahearn Matthew Fraserdirector, officer: Chief Operating Officer | Grant | 88,450 | $14.16 |
| Feb 3, 2026 | Points Jeffrey S.officer: Chief Financial Officer | Grant | 126,357 | $14.16 |
| Feb 3, 2026 | Ball Robert Josephdirector, officer: CEO & Executive Chairman | Grant | 265,351 | $14.16 |
| Feb 3, 2026 | Blue David Lawrenceofficer: See Remarks | Grant | 88,450 | $14.16 |
| Jan 8, 2026 | Ahearn Matthew Fraserdirector, officer: Chief Operating Officer | Grant | 477 | $12.16 |
| Jan 8, 2026 | Blue David Lawrenceofficer: See Remarks | Grant | 1,041 | $12.16 |
| Jan 8, 2026 | Ball Robert Josephdirector, officer: CEO & Executive Chairman | Grant | 1,661 | $12.16 |
| Jan 8, 2026 | Points Jeffrey S.officer: Chief Financial Officer | Grant | 1,076 | $12.16 |
| Dec 15, 2025 | Ball Robert Josephdirector, officer: CEO & Executive Chairman | Buy | 3,300 | $14.83 |
Source: SI SEC Form 4 filings, latest Jun 29, 2026. For informational purposes only — not investment advice.
Institutional activity (13F)
How institutions changed their SI positions over the last 6 months (SEC Form 13F).
Increased
37
New positions
29
Reduced
24
Sold out
12
Largest moves
| Institution | Action | Shares | Filed |
|---|---|---|---|
| FMR LLC | Unchanged | 3.8M | Feb 17, 2026 |
| FMR LLC | Reduced | 3.8M | May 15, 2026 |
| VANGUARD CAPITAL MANAGEMENT LLC | New Position | 827K | May 15, 2026 |
| BLACKROCK, INC. | Increased | 556K | May 13, 2026 |
| SECTORAL ASSET MANAGEMENT INC | Increased | 492K | Feb 9, 2026 |
| SECTORAL ASSET MANAGEMENT INC | Reduced | 430K | May 15, 2026 |
| TIMESSQUARE CAPITAL MANAGEMENT, LLC | Increased | 323K | May 7, 2026 |
| BLACKROCK, INC. | Increased | 311K | Feb 12, 2026 |
| TIMESSQUARE CAPITAL MANAGEMENT, LLC | Reduced | 290K | Feb 6, 2026 |
| ROUBAIX CAPITAL, LLC | Increased | 257K | May 6, 2026 |
| ALYESKA INVESTMENT GROUP, L.P. | Reduced | 233K | Feb 13, 2026 |
| ALYESKA INVESTMENT GROUP, L.P. | Unchanged | 233K | May 15, 2026 |
| SIO CAPITAL MANAGEMENT, LLC | Reduced | 228K | Feb 17, 2026 |
| VANGUARD GROUP INC | Increased | 220K | Jan 29, 2026 |
| SIO CAPITAL MANAGEMENT, LLC | Reduced | 211K | May 14, 2026 |
Source: SEC Form 13F filings. For informational purposes only — not investment advice.