Buchholz Richard insider trades
Buchholz Richard has filed 17 Form 4s with the SEC that we hold, for Inspire Medical Systems, Inc. (INSP) (Interim CFO) and Shoulder Innovations, INC. (SI) (Director). Across all of them we count 2 purchases worth $89.8K and 8 sales worth $11.5M reported on Form 4. In the last 12 months: 1 purchase ($14.8K) and 0 sales ($0). The largest single trade was a sale of 15,000 shares of Inspire Medical Systems, Inc. worth $3.5M, dated 2024-04-17. The first filing on our record is dated 2021-09-30 and the latest 2026-06-29.
Inspire Medical Systems, Inc. (INSP)
| Trade date | Code | Shares | Value as filed | Filed |
|---|---|---|---|---|
| 2022-04-01 | S, sale reported on Form 4 | 5,500 | $1.4M | 2022-04-05 |
| 2022-04-01 | S, sale reported on Form 4 | 5,362 | $1.4M | 2022-04-05 |
| 2022-04-01 | S, sale reported on Form 4 | 4,037 | $1.0M | 2022-04-05 |
| 2022-04-01 | S, sale reported on Form 4 | 101 | $25.9K | 2022-04-05 |
| 2023-01-11 | S, sale reported on Form 4 | 523 | $130.8K | 2023-01-13 |
| 2023-01-13 | S, sale reported on Form 4 | 11,977 | $3.0M | 2023-01-13 |
| 2024-04-17 | S, sale reported on Form 4 | 15,000 | $3.5M | 2024-04-18 |
| 2025-08-29 | S, sale reported on Form 4 | 11,000 | $1.0M | 2025-09-02 |
Shoulder Innovations, INC. (SI)
| Trade date | Code | Shares | Value as filed | Filed |
|---|---|---|---|---|
| 2025-08-01 | P, purchase reported on Form 4 | 5,000 | $75.0K | 2025-08-05 |
| 2026-03-13 | P, purchase reported on Form 4 | 1,000 | $14.8K | 2026-03-17 |
Counted from the Form 4 filings this reporting owner (SEC CIK 1737133) filed on EDGAR. Values are the transaction values as filed. See every filing on EDGAR, or browse insider buying and today's insider purchases.
Source: U.S. Securities and Exchange Commission (EDGAR) and other official
government data · Updated 2026-10-12 ·
For informational purposes only, not investment advice.
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