LSBK · Lake Shore Bancorp, Inc. · Insider Trading

Exercise price amounted to $10.61392708, which represents the original exercise price of $14.38, updated for the 1.3549 to 1.00 exchange in connection with the Company's mutual to stock conversion, so that the aggregate cost of the options remained unchanged after conversion. This and previous filings present the exercise price rounded up to the nearest whole penny, or $10.62. No fractional shares were issued to the reporting person.

Includes 893 shares of unvested restricted stock which vest on December 9, 2026, and 893 shares of unvested restricted stock which vest on March 18, 2027.

Exercise price amounted to $10.61392708, which represents the original exercise price of $14.38, updated for the 1.3549 to 1.00 exchange in connection with the Company's mutual to stock conversion, so that the aggregate cost of the options remained unchanged after conversion. This and previous filings present the exercise price rounded up to the nearest whole penny, or $10.62. No fractional shares were issued to the reporting person.

Options are fully vested.

The number of shares reported as disposed of represents shares withheld by the issuer through net settlement to satisfy the exercise price of the option award and the tax liability incident to the withholding of shares. No shares were sold in the open market.

Includes 3,025 shares of unvested restricted stock that were granted on March 18, 2026 and vest in four equal installments beginning on the first anniversary of the grant.

Includes 3,063 remaining shares of unvested restricted stock that were granted on March 12, 2025 and were scheduled to vest in four equal annual installments beginning on the first anniversary of the grant.

Includes 1,717 remaining shares of unvested restricted stock that were granted on April 23, 2024 and were scheduled to vest in four equal annual installments beginning on the first anniversary of the grant.

Exercise price amounted to $10.61342469, which represents the original exercise price of $14.38, updated for the 1.3549 to 1.00 exchange in connection with the Company's mutual to stock conversion, so that the aggregate cost of the options remained unchanged after conversion. This and previous filings present the exercise price rounded up to the nearest whole penny, or $10.62. No fractional shares were issued to the reporting person.

Options are fully vested.

Exercise price amounted to $10.61342469, which represents the original exercise price of $14.38, updated for the 1.3549 to 1.00 exchange in connection with the Company's mutual to stock conversion, so that the aggregate cost of the options remained unchanged after conversion. This and previous filings present the exercise price rounded up to the nearest whole penny, or $10.62. No fractional shares were issued to the reporting person.

Includes 1,542 remaining unvested options, post transaction, which were granted on April 23, 2024 and were scheduled to vest in five equal annual installments beginning on the first anniversary of the grant.

Includes 893 shares of unvested restricted stock which vest on December 9, 2026, and 527 shares of unvested restricted stock which vest on March 18, 2027.

The reporting person elected to pay for a tax liability by withholding securities incident to the vesting of a security (restricted stock) based on a market price of $15.85 per share.

Includes 3,025 shares of unvested restricted stock that were granted on March 18, 2026 and vest in four equal installments beginning on the first anniversary of the grant.

Includes 3,063 remaining shares of unvested restricted stock that were granted on March 12, 2025 and were scheduled to vest in four equal annual installments beginning on the first anniversary of the grant.

Includes 1,717 remaining shares of unvested restricted stock that were granted on April 23, 2024 and were scheduled to vest in four equal annual installments beginning on the first anniversary of the grant. 858 shares vested on April 23, 2026.

The reporting person elected to pay for a tax liability by withholding securities incident to the vesting of a security (restricted stock) based on a market price of $15.85.

Includes 6,363 remaining shares of unvested restricted stock that were granted on March 12, 2025 and were scheduled to vest in four equal annual installments beginning on the first anniversary of the grant.

Includes 3,499 remaining shares of unvested restricted stock that were granted on April 23, 2024 and were scheduled to vest in four equal annual installments beginning on the first anniversary of the grant. 1,748 shares vested on April 23, 2026.

Includes 6,285 shares of unvested restricted stock that were granted on March 18, 2026 and vest in four equal annual installments beginning on the first anniversary of the grant.

Shares of restricted stock vest on March 18, 2027.

Includes 3,025 shares of unvested restricted stock that were granted on March 18, 2026 and vest in four equal annual installments beginning on the first anniversary of the grant.

Includes 3,063 remaining shares of unvested restricted stock that were granted on March 12, 2025 and were scheduled to vest in four equal annual installments beginning on the first anniversary of the grant.

Includes 2,575 remaining shares of unvested restricted stock that were granted on April 23, 2024 and were scheduled to vest in four equal annual installments beginning on the first anniversary of the grant.

Shares of restricted stock vest in four equal installments beginning on March 18, 2027.

Includes 6,363 remaining shares of unvested restricted stock that were granted on March 12, 2025 and were scheduled to vest in four equal annual installments beginning on the first anniversary of the grant.

Includes 5,247 remaining shares of unvested restricted stock that were granted on April 23, 2024 and were scheduled to vest in four equal annual installments beginning on the first anniversary of the grant.

Includes 6,285 shares of unvested restricted stock that were granted on March 18, 2026 and vest in four equal annual installments beginning on the first anniversary of the grant.

Shares of restricted stock vest on March 18, 2027.

Includes 667 shares of unvested restricted stock which vest on March 18, 2027.

Shares of restricted stock vest on March 18, 2027.

Includes 589 shares of unvested restricted stock which vest on March 18, 2027.

Shares of restricted stock vest on March 18, 2027.

Includes 3,868 shares of unvested restricted stock which vest on December 9, 2026, and 480 shares of unvested restricted stock which vest on March 18, 2027.

Shares of restricted stock vest on March 18, 2027.

Includes 893 shares of unvested restricted stock which vest on December 9, 2026, and 893 shares of unvested restricted stock which vest on March 18, 2027.

Shares of restricted stock vest in four equal annual installments beginning on March 18, 2027.

Includes 2,788 remaining shares of unvested restricted stock that were granted on March 12, 2025 and were scheduled to vest in four equal annual installments beginning on the first anniversary of the grant.

Includes 4,245 remaining shares of unvested restricted stock that were granted on April 23, 2024 and were scheduled to vest in four equal annual installments beginning on the first anniversary of the grant.

Includes 3,028 shares of unvested restricted stock that were granted on March 18, 2026 and vest in four equal annual installments beginning on the first anniversary of the grant.

Shares of restricted stock vest on March 18, 2027.

Includes 573 shares of unvested restricted stock which vest on March 18, 2027.

Shares of restricted stock vest on March 18, 2027.

Includes 893 shares of unvested restricted stock which vest on December 9, 2026, and 527 shares of unvested restricted stock which vest on March 18, 2027.

Shares of restricted stock vest on March 18, 2027.

Include 5,058 shares of unvested restricted stock which vest on December 9, 2026, and 620 shares of unvested restricted stock which vest on March 18, 2027.

The reporting person elected to pay for a tax liability by withholding securities incident to the vesting of a security (restricted stock) based on a market price of $15.43 per share.

Includes 6,363 remaining shares of restricted stock that were granted on March 12, 2025 and vest in four equal annual installments beginning on the first anniversary of the grant. 2,121 shares vested on March 12, 2026.

Includes 5,247 remaining shares of restricted stock that were granted on April 23, 2024 and vest in four equal annual installments beginning on the first anniversary of the grant. 1,748 shares vested on April 23, 2025.

The reporting person elected to pay for a tax liability by withholding securities incident to the vesting of a security (restricted stock) based on a market price of $15.43 per share.

Includes 3,063 remaining shares of restricted stock that were granted on March 12, 2025 and vest in four equal annual installments beginning on the first anniversary of the grant. 1,021 shares vested on March 12, 2026.

Includes 2,575 remaining shares of restricted stock that were granted on April 23, 2024 and vest in four equal annual installments beginning on the first anniversary of the grant. 858 shares vested on April 23, 2025.

Includes 1,415 shares of restricted stock which vest on March 12, 2026 and 893 shares of restricted stock which vest on December 9, 2026.

Stock options vest at a rate of 20% per year commencing on December 9, 2026.

Shares of restricted stock vest on December 9, 2026.

Includes 647 shares of restricted stock which vest on March 12, 2026 and 3,868 shares of restricted stock which vest on December 9, 2026.

Stock options vest at a rate of 20% per year commencing on December 9, 2026.

Stock options vest at a rate of 20% per year commencing on December 9, 2026.

Shares of restricted stock vest on December 9, 2026.

Includes 837 shares of restricted stock which vest on March 12, 2026 and 5,058 shares of restricted stock which vest on December 9, 2026.

Shares of restricted stock vest on December 9, 2026.

Includes 1,415 shares of restricted stock which vest on March 12, 2026 and 893 shares of restricted stock which vest on December 9, 2026.

Shares of restricted stock vest on December 9, 2026.

Includes 815 shares of restricted stock which vest on March 12, 2026 and 893 shares of restricted stock which vest on December 9, 2026.

Stock options vest at a rate of 20% per year commencing on December 9, 2026.

Stock options vest at a rate of 20% per year commencing on December 9, 2026.