Shoulder Innovations, Inc (SI) insider trading
Every open-market stock purchase and sale by Shoulder Innovations, Inc executives, directors, large shareholders and members of Congress, from SEC Form 4 filings. Sector: Other.
Insider activity at a glance
- Matthew Fraser Ahearn (COO) and 1 other sold $653K in the last 90 days.
- Last insider buy: Robert Joseph Ball (CEO), $33.4K, 7 months ago.
Last 12 months: insiders bought $215K (5 buys) and sold $1M (3 sales). Last close $22.10 on Aug 20, 2026.
Recent SI insider trades
| Date | Insider | Trade | Value |
|---|---|---|---|
| Sep 14, 2026 | Robert Joseph Ball (CEO) | Sold | $188K |
| Sep 14, 2026 | Robert Joseph Ball (CEO) | Bought (not open market) | — |
| Aug 18, 2026 | Matthew Fraser Ahearn (COO) | Sold | $263K |
| Aug 18, 2026 | Matthew Fraser Ahearn (COO) | Sold | $34.2K |
| Aug 17, 2026 | Matthew Fraser Ahearn (COO) | Sold | $167K |
| Aug 14, 2026 | Matthew Fraser Ahearn (COO) | Sold (not open market) | — |
| Jun 26, 2026 | Paul Buckman (Director) | Bought (not open market) | — |
| Jun 26, 2026 | Casey M Tansey (10% owner) | Bought (not open market) | — |
| Jun 26, 2026 | Richard Buchholz (Director) | Bought (not open market) | — |
| Jun 26, 2026 | Andrew Hykes (Director) | Bought (not open market) | — |
| Jun 26, 2026 | Kevin K. Sidow (Director) | Bought (not open market) | — |
| Jun 15, 2026 | Matthew Fraser Ahearn (COO) | Sold | $48.1K |
| Jun 15, 2026 | Matthew Fraser Ahearn (COO) | Sold | $29.9K |
| Jun 12, 2026 | Matthew Fraser Ahearn (COO) | Sold | $296K |
| Apr 30, 2026 | Robert Joseph Ball (CEO) | Bought (not open market) | — |
| Apr 20, 2026 | Matthew Fraser Ahearn (COO) | Bought (not open market) | — |
| Apr 20, 2026 | Matthew Fraser Ahearn (COO) | Bought (not open market) | — |
| Mar 13, 2026 | Paul Buckman (Director) | Sold (not open market) | $55K |
| Mar 13, 2026 | Paul Buckman (Director) | Sold (not open market) | $48.1K |
| Mar 13, 2026 | Robert Joseph Ball (CEO) | Bought | $33.4K |
| Mar 13, 2026 | Jeffrey S. Points (CFO) | Bought | $30K |
| Mar 13, 2026 | Richard Buchholz (Director) | Bought | $14.8K |
| Mar 13, 2026 | Paul Buckman (Director) | Bought (not open market) | — |
| Mar 13, 2026 | Paul Buckman (Director) | Bought (not open market) | — |
| Mar 13, 2026 | Jeffrey S. Points (CFO) | Bought (not open market) | — |
Who's trading SI
- Robert Joseph Ball, CEO: bought $140K (3 buys), sold $188K (1 sale), last Sep 14, 2026
- Matthew Fraser Ahearn, COO: sold $839K (6 sales), last Aug 18, 2026
- Richard Buchholz, Director: bought $14.8K (1 buy), last Jun 26, 2026
- Casey M Tansey, 10% owner: other filings, last Jun 26, 2026
- Paul Buckman, Director: other filings, last Jun 26, 2026
- Andrew Hykes, Director: other filings, last Jun 26, 2026
- Kevin K. Sidow, Director: other filings, last Jun 26, 2026
- Jeffrey S. Points, CFO: bought $59.6K (3 buys), last Mar 13, 2026
- David Lawrence Blue, Officer: other filings, last Jan 30, 2026
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