Company: DVS
Filing Date: 2025-12-12
Form Type: 6-K
Source: 0001062993-25-017303
Chunk: 0

Company: DOLLY VARDEN SILVER CORP
Filing Date: 2025-12-12
Form: 6-K
Chunk 0
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<div align='center'>UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

FORM 6-K

REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16
UNDER THE SECURITIES EXCHANGE ACT OF 1934

For the month of:

Commission File Number:

Dolly Varden Silver Corporation
(Translation of registrant's name into English)

595 Burrard Street, Suite 3123

Vancouver BC, Canada V7X 1J1
(Address of principal executive office)</div>

Indicate by check mark whether the registrant files or will file annual reports under cover of Form 20-F or Form 40-F.
Form 20-F [ ] Form 40-F [ X ]

<div align='center'>EXHIBIT INDEX</div>

| Exhibit 
 99.1    
 99.2    | Description                                                               
 Material Change Report dated December 11, 2025                            
 Contango ORE, Inc. Arrangement Agreement dated December 7, 2025           |
|:--------|:--------------------------------------------------------------------------|
| 99.3    | Voting Support Agreement (2176423 Ontario Ltd.) dated December 5, 2025    |
| 99.4    | Voting Support Agreement (Ann Fehr) dated December 5, 2025                |
| 99.5    | Voting Support Agreement (Darren Devine) dated December 5, 2025           |
| 99.6    | Voting Support Agreement (Eric Sprott) dated December 5, 2025             |
| 99.7    | Voting Support Agreement (James Sabala) dated December 5, 2025            |
| 99.8    | Voting Support Agreement (Michael Henrichsen) dated December 5, 2025      |
| 99.9    | Voting Support Agreement (Robert McLeod) dated December 5, 2025           |
| 99.10   | Voting Support Agreement (Robert van Egmond) dated December 5, 2025       |
| 99.11   | Voting Support Agreement (Shawn Khunkhun) dated December 5, 2025          |
| 99.12   | Voting Support Agreement (Tim Clark) dated December 5, 2025               |
| 99.13   | Voting Support Agreement (Fury Gold Mines Limited)