Company: SWKH
Filing Date: 2025-04-29
Form Type: DEFA14A
Source: 0001628280-25-020715
Chunk: 0

Company: SWK Holdings Corp
Filing Date: 2025-04-29
Form: DEFA14A
Chunk 0
---
### UNITED STATES

### SECURITIES AND EXCHANGE COMMISSION

#### Washington, D.C. 20549

#### SCHEDULE 14A
<div align='center'>Proxy Statement Pursuant to Section 14(a) of the Securities</div>

#### Exchange Act of 1934 (Amendment No. )
| ☒ |     | Filed by the Registrant |     | ☐ |     | Filed by a Party other than the Registrant |

| Check the appropriate box: |     |                                                                                 |
| ☐                          |     | Preliminary Proxy Statement                                                     |
| ☐                          |     | CONFIDENTIAL, FOR USE OF THE COMMISSION ONLY (AS PERMITTED BY RULE 14a-6(e)(2)) |
| ☐                          |     | Definitive Proxy Statement                                                      |
| ☒                          |     | Definitive Additional Materials                                                 |
| ☐                          |     | Soliciting Material Under Rule 14a-12                                           |

### SWK HOLDINGS CORPORATION
<div align='center'>(Name of Registrant as Specified In Its Charter)

(Name of Person(s) Filing Proxy Statement, if Other than the Registrant)</div>

| Payment of Filing Fee (Check the appropriate box): |     |                                                                                                      |
| ☒                                                  |     | No fee required.                                                                                     |
| ☐                                                  |     | Fee paid previously with preliminary materials.                                                      |
| ☐                                                  |     | Fee computed on table in exhibit required by Item 25(b) per Exchange Act Rules 14a-6(i)(1) and 0-11. |