Ball Robert Joseph, CEO and Executive Chairman of Shoulder Innovations, Inc. ($SI), made four open market purchases of company shares over the last year, totaling about $230,000. His most recent buy occurred on December 12, 2025. These purchases rank him 1,431st among nearly 5,000 insiders in our database by dollar amount, below the average of $1.5 million across 3.3 transactions per insider. He reported no open market sales during this period.
| Transaction Date | Company | Ticker | Insider Name | Title | Transaction Type | Security | Shares | Price | Shares Owned Following | Total Shares Outstanding | % of Owned | % of Outstanding |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| March 13, 2026 | SHOULDER INNOVATIONS, INC. | $SI | Ball Robert Joseph | CEO & Executive Chairman | P | Common Stock | 2200 | $15.18 | 278,866.0000 | 20,601,684 | 0.80% | 0.01% |
| Feb. 6, 2026 | SHOULDER INNOVATIONS, INC. | $SI | Ball Robert Joseph | CEO & Executive Chairman | M | Stock Option | 2062 | $0.00 | 181,376.0000 | 20,601,684 | 1.12% | 0.01% |
| Feb. 6, 2026 | SHOULDER INNOVATIONS, INC. | $SI | Ball Robert Joseph | CEO & Executive Chairman | M | Stock Option | 10000 | $0.00 | 319,756.0000 | 20,601,684 | 3.03% | 0.05% |
| Feb. 6, 2026 | SHOULDER INNOVATIONS, INC. | $SI | Ball Robert Joseph | CEO & Executive Chairman | M | Common Stock | 2062 | $2.10 | 276,666.0000 | 20,601,684 | 0.75% | 0.01% |
| Feb. 6, 2026 | SHOULDER INNOVATIONS, INC. | $SI | Ball Robert Joseph | CEO & Executive Chairman | M | Common Stock | 10000 | $2.48 | 274,604.0000 | 20,601,684 | 3.78% | 0.05% |
| Jan. 30, 2026 | SHOULDER INNOVATIONS, INC. | $SI | Ball Robert Joseph | CEO & Executive Chairman | A | Stock Option | 265351 | $0.00 | 265,351.0000 | 20,601,684 | 9999.99% | 1.29% |
| Dec. 31, 2025 | SHOULDER INNOVATIONS, INC. | $SI | Ball Robert Joseph | CEO & Executive Chairman | A | Common Stock | 1661 | $12.16 | 120,118.0000 | 20,601,684 | 1.40% | 0.01% |
| Dec. 12, 2025 | SHOULDER INNOVATIONS, INC. | $SI | Ball Robert Joseph | CEO & Executive Chairman | P | Common Stock | 3900 | $14.89 | 118,457.0000 | 20,601,684 | 3.40% | 0.02% |
| Dec. 11, 2025 | SHOULDER INNOVATIONS, INC. | $SI | Ball Robert Joseph | CEO & Executive Chairman | P | Common Stock | 3300 | $14.83 | 114,557.0000 | 20,601,684 | 2.97% | 0.02% |
| Sept. 12, 2025 | SHOULDER INNOVATIONS, INC. | $SI | Ball Robert Joseph | CEO & EXECUTIVE CHAIRMAN | P | Common Stock | 6000 | $15.49 | 111,259.0000 | 0 | 5.70% | 0.00% |
| Sept. 11, 2025 | SHOULDER INNOVATIONS, INC. | $SI | Ball Robert Joseph | CEO & EXECUTIVE CHAIRMAN | P | Common Stock | 2000 | $14.90 | 105,259.0000 | 0 | 1.94% | 0.00% |
| Aug. 1, 2025 | SHOULDER INNOVATIONS, INC. | $SI | Ball Robert Joseph | CEO & EXECUTIVE CHAIRMAN | C | Common Stock | 85888 | $0.00 | 103,259.0000 | 0 | 494.43% | 0.00% |
| Aug. 1, 2025 | SHOULDER INNOVATIONS, INC. | $SI | Ball Robert Joseph | CEO & EXECUTIVE CHAIRMAN | C | Series E Convertible Preferred Stock | 146459 | $0.00 | 0.0000 | 0 | 100.00% | 0.00% |
| Aug. 1, 2025 | SHOULDER INNOVATIONS, INC. | $SI | Ball Robert Joseph | CEO & EXECUTIVE CHAIRMAN | C | Series D Convertible Preferred Stock | 706572 | $0.00 | 0.0000 | 0 | 100.00% | 0.00% |
| Aug. 1, 2025 | SHOULDER INNOVATIONS, INC. | $SI | Ball Robert Joseph | CEO & EXECUTIVE CHAIRMAN | C | Series B Convertible Preferred Stock | 387346 | $0.00 | 0.0000 | 0 | 100.00% | 0.00% |
| Aug. 1, 2025 | SHOULDER INNOVATIONS, INC. | $SI | Ball Robert Joseph | CEO & EXECUTIVE CHAIRMAN | C | Series A Convertible Preferred Stock | 176086 | $0.00 | 0.0000 | 0 | 100.00% | 0.00% |
| Aug. 1, 2025 | SHOULDER INNOVATIONS, INC. | $SI | Ball Robert Joseph | CEO & EXECUTIVE CHAIRMAN | C | Series Seed Convertible Preferred Stock | 222304 | $0.00 | 0.0000 | 0 | 100.00% | 0.00% |