Ball Robert Joseph (CIK 2070664) reported 10 SEC Form 4 insider transactions across 1 companies over the past 18 months (most recent 2026-04-30). Recent activity: Buy SI (10,000 shares), Buy SI (2,200 shares), Buy SI (10,000 shares), Buy SI (2,062 shares), Buy SI (1,661 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-04-30 | SHOULDER INNOVATIONS, INC. (SI) | CEO & Executive Chairman | Buy | 10,000 | $24,804 |
| 2026-03-17 | SHOULDER INNOVATIONS, INC. (SI) | CEO & Executive Chairman | Buy | 2,200 | $33,396 |
| 2026-02-10 | SHOULDER INNOVATIONS, INC. (SI) | CEO & Executive Chairman | Buy | 10,000 | $24,800 |
| 2026-02-10 | SHOULDER INNOVATIONS, INC. (SI) | CEO & Executive Chairman | Buy | 2,062 | $4,330 |
| 2026-01-08 | SHOULDER INNOVATIONS, INC. (SI) | CEO & Executive Chairman | Buy | 1,661 | $20,198 |
| 2025-12-15 | SHOULDER INNOVATIONS, INC. (SI) | CEO & Executive Chairman | Buy | 3,300 | $48,939 |
| 2025-12-15 | SHOULDER INNOVATIONS, INC. (SI) | CEO & Executive Chairman | Buy | 3,900 | $58,071 |
| 2025-09-15 | SHOULDER INNOVATIONS, INC. (SI) | CEO & EXECUTIVE CHAIRMAN | Buy | 2,000 | $29,800 |
| 2025-09-15 | SHOULDER INNOVATIONS, INC. (SI) | CEO & EXECUTIVE CHAIRMAN | Buy | 6,000 | $92,940 |
| 2025-08-05 | SHOULDER INNOVATIONS, INC. (SI) | CEO & EXECUTIVE CHAIRMAN | Buy | 85,888 | $0 |
Source: SEC Form 4 filings · as of 2026-04-30