| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| SCHULER JACK W | Director, 10%+ Owner | PO BOX 531, LAKE BLUFF | /s/ Robin H. Cowie as Attorney-in-Fact for Jack Schuler | 19 Sep 2025 | 0001021412 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | BDSX | Common Stock | Purchase | $92,571 | +15,317 | +1.3% | $6.04* | 1,235,644 | 17 Sep 2025 | By Jack W. Schuler Living Trust | F1, F2, F3 |
| transaction | BDSX | Common Stock | Purchase | $18,854 | +3,056 | +0.25% | $6.17* | 1,238,700 | 18 Sep 2025 | By Jack W. Schuler Living Trust | F3, F4 |
| holding | BDSX | Common Stock | 750,000 | 17 Sep 2025 | By Jack W. Schuler 2025 GRAT | F2, F5 |
| Id | Content |
|---|---|
| F1 | The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $5.825 to $6.15, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in this footnote. |
| F2 | These numbers have been adjusted to reflect the one-for-twenty reverse stock split effective September 15, 2025. |
| F3 | Jack W. Schuler is the sole trustee of the Jack W. Schuler Living Trust. |
| F4 | The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $6.125 to $6.20, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in this footnote. |
| F5 | Jack W. Schuler is the sole trustee of the Jack W. Schuler 2025 GRAT. |