Company: SDSYA
Filing Date: 2025-04-29
Form Type: DEF 14A
Source: 0001163609-25-000013
Chunk: 2

Company: SOUTH DAKOTA SOYBEAN PROCESSORS LLC
Filing Date: 2025-04-29
Form: DEF 14A
Chunk 2
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4 filed with the Securities Exchange Commission (SEC) on March 28, 2025 are available at www.sdsbp.com.

#### South Dakota Soybean Processors, LLC

#### 100 Caspian Avenue, P.O. Box 500

#### Volga, South Dakota 57071

### PROXY STATEMENT

#### 2025 ANNUAL MEETING OF MEMBERS

#### JUNE 17, 2025
<div align='center'>Registration and Supper - 5:30 p.m. Meeting - 6:30 p.m.</div>

### VOTING INFORMATION
The proxy statement and ballots were prepared by the board of managers of South Dakota Soybean Processors, LLC (the “Company,” “we,” “us” or “our”) for use at the 2025 Annual Meeting of Members to be held on Tuesday, June 17, 2025, or at any adjournment thereof. The 2025 Annual Meeting will be held at the Sioux Valley High School Gym, located at 200 Hansina Avenue, Volga, South Dakota 57071. Distribution of this proxy statement and ballots to the members are scheduled to begin on or about May 1, 2025.

### QUESTIONS AND ANSWERS ABOUT THE ANNUAL MEETING AND VOTING

#### Q: Why did I receive this Proxy Statement?
A: The board of managers of the Company is providing this proxy statement and ballot to enable you to vote at the 2025 Annual Meeting because you were a member of the Company at the close of business on May 1, 2025, the record date, and are entitled to vote at the meeting.

#### Q: What am I voting on?
A: At the 2025 Annual Meeting, members will vote on: (i) the election of three managers to the board - one from each of the three geographical districts, and (iii) approval, on an advisory basis, of the compensation of our named executive officers ("Say-on-Pay"). Although the board is not currently aware of any additional matters to be presented at the 2025 Annual Meeting, if other matters do properly come before the 2025 Annual Meeting, those present will vote on those matters if a quorum is present.

#### Q: How do I vote?
A: You may vote at the 2025 Annual Meeting by submitting a ballot using either of the following methods:

• Cast Ballot by Mail or Email prior to the 2025 Annual Meeting