United States Securities and Exchange Commission Washington, D.C. 20549 FORM 10-Q (Mark One) ý QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15 (d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 30, 2022 ¨ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15 (d) OF THE SECURITIES EXCHANGE ACT OF 1934 Commission File No.: 000-51821 LAKE SHORE BANCORP, INC. (Exact name of registrant as specified in its charter) United States 20-4729288 (State or other jurisdiction of incorporation or organi ...

United States Securities and Exchange Commission Washington, D.C. 20549 FORM 10-Q (Mark One) ý QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15 (d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 31, 2022 ¨ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15 (d) OF THE SECURITIES EXCHANGE ACT OF 1934 Commission File No.: 000-51821 LAKE SHORE BANCORP, INC. (Exact name of registrant as specified in its charter) | | | | United | States | | | | | 20-4729288 | | | --- | --- | --- | --- | --- ...

United States Securities and Exchange Commission Washington, D.C. 20549 FORM 10-K (Mark One) ý ANNUAL REPORT PURSUANT TO SECTION 13 OR 15 (d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2021 ¨ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15 (d) OF THE SECURITIES EXCHANGE ACT OF 1934 United States (State or Other Jurisdiction 20-4729288 Commission File No.: 000-51821 Lake Shore Bancorp, Inc. (Exact Name of Registrant as Specified in Its Charter) of Incorporation or Organizati ...

United States Securities and Exchange Commission Washington, D.C. 20549 FORM 10-Q (Mark One) ý QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15 (d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended September 30, 2021 ¨ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15 (d) OF THE SECURITIES EXCHANGE ACT OF 1934 Commission File No.: 000-51821 LAKE SHORE BANCORP, INC. (Exact name of registrant as specified in its charter) United States 20-4729288 (State or other jurisdiction of incorporation or o ...

United States Securities and Exchange Commission Washington, D.C. 20549 FORM 10-Q (Mark One) ý QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15 (d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 30, 2021 ¨ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15 (d) OF THE SECURITIES EXCHANGE ACT OF 1934 Commission File No.: 000-51821 LAKE SHORE BANCORP, INC. (Exact name of registrant as specified in its charter) | | | | United | States | | | 20-4729288 | | | | --- | --- | --- | --- | --- | - ...

United States Securities and Exchange Commission Washington, D.C. 20549 FORM 10-Q (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15 (d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 31, 2021 ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15 (d) OF THE SECURITIES EXCHANGE ACT OF 1934 Commission File No.: 000-51821 LAKE SHORE BANCORP, INC. (Exact name of registrant as specified in its charter) | United States | | 20-4729288 | | --- | --- | --- | | (State or other jurisdic ...

United States Securities and Exchange Commission Washington, D.C. 20549 FORM 10-K (Mark One) ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15 (d) OF THE SECURITIES EXCHANGE ACT OF 1934 (State or Other Jurisdiction 20-4729288 of Incorporation or Organization) (I.R.S. Employer Identification No.) For the fiscal year ended December 31, 2020 31 East Fourth Street, Dunkirk, NY 14048 (Address of Principal Executive Of ices, including zip code) ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15 (d) OF THE SECURITIES EXC ...

United States Securities and Exchange Commission Washington, D.C. 20549 FORM 10-Q (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15 (d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended September 30, 2020 ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15 (d) OF THE SECURITIES EXCHANGE ACT OF 1934 Commission File No.: 000-51821 LAKE SHORE BANCORP, INC. (Exact name of registrant as specified in its charter) | United States | | 20-4729288 | | --- | --- | --- | | (State or other juri ...

Indicate by check mark whether the registrant (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months, and (2) has been subject to such filing requirements for the past 90 days. United States Securities and Exchange Commission Washington, D.C. 20549 FORM 10-Q (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15 (d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 30, 2020 ☐ TRANSITION REPORT P ...

United States Securities and Exchange Commission Washington, D.C. 20549 FORM 10-Q (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15 (d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 31, 2020 ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15 (d) OF THE SECURITIES EXCHANGE ACT OF 1934 Commission File No.: 000-51821 LAKE SHORE BANCORP, INC. (Exact name of registrant as specified in its charter) | United States | | 20-4729288 | | --- | --- | --- | | (State or other jurisdic ...