Company: SACH
Filing Date: 2025-11-14
Form Type: 424B2
Source: 0001628280-25-052333
Chunk: 3

Company: Sachem Capital Corp.
Filing Date: 2025-11-14
Form: 424B2
Chunk 3
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 the Securities Act.

You should read this Prospectus Supplement in conjunction with the accompanying Base Prospectus, dated May 30, 2025, including any supplements and amendments thereto. This Prospectus Supplement is qualified by reference to the accompanying Base Prospectus, except to the extent that the information in this Prospectus Supplement supersedes the information contained in the accompanying Base Prospectus. This Prospectus Supplement is not complete without and may not be delivered or utilized except in connection with, the accompanying Base Prospectus, including any supplements and amendments thereto.

The Series A Preferred Stock is listed on the NYSE American under the symbol “SACHPRA”. On November 12, 2025, the closing sale price on the NYSE American per share of Series A Preferred Stock was $17.95.

As of the date of this Prospectus Supplement, the aggregate market value of our outstanding common shares held by non-affiliates does not exceed $75 million. Accordingly, we are subject to the limitations set forth in General Instruction I.B.6 of Form S-3. Accordingly, we may not sell securities pursuant to a Registration Statement on Form S-3 in a public primary offering with value exceeding more than one-third of our public float in any 12-month calendar period so long as our public float remains below $75 million. As of November 14, 2025, the aggregate value of our outstanding common shares held by non-affiliates was approximately $55.4 million based on 45,014,618 shares issued and outstanding on such date and the last reported sales price of our common shares on NYSE-Amex on September 16, 2025 (a date that is within 60 days of the date of this Prospectus Supplement) of $1.23 per share. During the prior 12-month calendar period that ends on, and includes, the date of this Prospectus Supplement, we have sold securities totaling $0.4 million.

Investing in our securities involves significant risks. Please read “

#### Risk Factors

#### ” on page

#### S-12

#### of this Prospectus Supplement, on page

#### 4
of the accompanying Base Prospectus and in the documents incorporated by reference into this Prospectus Supplement.

Neither the Securities and Exchange Commission nor any state securities commission has approved or disapproved of these securities or determined if this Prospectus Supplement is truthful or complete. Any representation to the contrary is a criminal offense.

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