Armstrong Mac

SEC source: 0001214659-26-011869 · marketforms-74032.xml · nonDerivative · entry 3

Armstrong Mac · CIK 0001772383 · Director · CEO and Chairman

10b5-1 filing: Plan reported

Ownership: Indirect · By Armstrong Family Trust

Disclosed balance after: 318,888

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $134.1100 to $135.0800 (weighted average of $134.5956), inclusive; $135.1800 to $135.9800 (weighted average of $135.5670). The Reporting Person undertakes to provide to Palomar Holdings, Inc., any security holder of Palomar Holdings, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote to this Form 4.

SEC source: 0001214659-26-011869 · marketforms-74032.xml · nonDerivative · entry 2

Armstrong Mac · CIK 0001772383 · Director · CEO and Chairman

10b5-1 filing: Plan reported

Ownership: Indirect · By Armstrong Family Trust

Disclosed balance after: 320,288

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $134.1100 to $135.0800 (weighted average of $134.5956), inclusive; $135.1800 to $135.9800 (weighted average of $135.5670). The Reporting Person undertakes to provide to Palomar Holdings, Inc., any security holder of Palomar Holdings, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote to this Form 4.

SEC source: 0001214659-26-010786 · marketforms-73865.xml · nonDerivative · entry 4

Armstrong Mac · CIK 0001772383 · Director · CEO and Chairman

10b5-1 filing: Plan reported

Ownership: Indirect · By Armstrong Family Trust

Disclosed balance after: 322,388

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $128.9550 to $129.9400 (weighted average of $129.6514), inclusive; $130.0200 to $131.0100 (weighted average of $130.4942), inclusive; $131.0400 to $131.7700 (weighted average of $131.3684). The Reporting Person undertakes to provide to Palomar Holdings, Inc., any security holder of Palomar Holdings, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote to this Form 4.

SEC source: 0001214659-26-010786 · marketforms-73865.xml · nonDerivative · entry 3

Armstrong Mac · CIK 0001772383 · Director · CEO and Chairman

10b5-1 filing: Plan reported

Ownership: Indirect · By Armstrong Family Trust

Disclosed balance after: 323,180

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $128.9550 to $129.9400 (weighted average of $129.6514), inclusive; $130.0200 to $131.0100 (weighted average of $130.4942), inclusive; $131.0400 to $131.7700 (weighted average of $131.3684). The Reporting Person undertakes to provide to Palomar Holdings, Inc., any security holder of Palomar Holdings, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote to this Form 4.

SEC source: 0001214659-26-010786 · marketforms-73865.xml · nonDerivative · entry 2

Armstrong Mac · CIK 0001772383 · Director · CEO and Chairman

10b5-1 filing: Plan reported

Ownership: Indirect · By Armstrong Family Trust

Disclosed balance after: 325,519

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $128.9550 to $129.9400 (weighted average of $129.6514), inclusive; $130.0200 to $131.0100 (weighted average of $130.4942), inclusive; $131.0400 to $131.7700 (weighted average of $131.3684). The Reporting Person undertakes to provide to Palomar Holdings, Inc., any security holder of Palomar Holdings, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote to this Form 4.

SEC source: 0001214659-26-008828 · marketforms-73626.xml · nonDerivative · entry 5

Armstrong Mac · CIK 0001772383 · Director · CEO and Chairman

10b5-1 filing: Plan reported

Ownership: Indirect · By Armstrong Family Trust

Disclosed balance after: 325,888

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $136.18 to $137.17 (weighted average of $136.6983), inclusive; $137.18 to $138.16 (weighted average of $137.7382), inclusive; $138.41 to $138.52 (weighted average of $138.4658), inclusive; $139.43 to $139.43 (weighted average of $139.4300). The Reporting Person undertakes to provide to Palomar Holdings, Inc., any security holder of Palomar Holdings, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote to this Form 4.

SEC source: 0001214659-26-008828 · marketforms-73626.xml · nonDerivative · entry 4

Armstrong Mac · CIK 0001772383 · Director · CEO and Chairman

10b5-1 filing: Plan reported

Ownership: Indirect · By Armstrong Family Trust

Disclosed balance after: 326,088

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $136.18 to $137.17 (weighted average of $136.6983), inclusive; $137.18 to $138.16 (weighted average of $137.7382), inclusive; $138.41 to $138.52 (weighted average of $138.4658), inclusive; $139.43 to $139.43 (weighted average of $139.4300). The Reporting Person undertakes to provide to Palomar Holdings, Inc., any security holder of Palomar Holdings, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote to this Form 4.

SEC source: 0001214659-26-008828 · marketforms-73626.xml · nonDerivative · entry 3

Armstrong Mac · CIK 0001772383 · Director · CEO and Chairman

10b5-1 filing: Plan reported

Ownership: Indirect · By Armstrong Family Trust

Disclosed balance after: 326,348

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $136.18 to $137.17 (weighted average of $136.6983), inclusive; $137.18 to $138.16 (weighted average of $137.7382), inclusive; $138.41 to $138.52 (weighted average of $138.4658), inclusive; $139.43 to $139.43 (weighted average of $139.4300). The Reporting Person undertakes to provide to Palomar Holdings, Inc., any security holder of Palomar Holdings, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote to this Form 4.

SEC source: 0001214659-26-008828 · marketforms-73626.xml · nonDerivative · entry 2

Armstrong Mac · CIK 0001772383 · Director · CEO and Chairman

10b5-1 filing: Plan reported

Ownership: Indirect · By Armstrong Family Trust

Disclosed balance after: 327,285

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $136.18 to $137.17 (weighted average of $136.6983), inclusive; $137.18 to $138.16 (weighted average of $137.7382), inclusive; $138.41 to $138.52 (weighted average of $138.4658), inclusive; $139.43 to $139.43 (weighted average of $139.4300). The Reporting Person undertakes to provide to Palomar Holdings, Inc., any security holder of Palomar Holdings, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote to this Form 4.

SEC source: 0001214659-26-008673 · marketforms-73616.xml · derivative · entry 8

Armstrong Mac · CIK 0001772383 · Director · CEO and Chairman

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 112,500 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F7 · derivative.exercise_date: The original PSU grant was for 225,000 shares on 7/15/2021, vesting in eight equal installments, of which four installments (112,500 shares) vested as reported in this Form 4 and the remaining four installments (112,500 shares) were forfeited as described below. Subject to the Reporting Person's continuing service with the Company as an Employee and/or Director of the Issuer and the achievement of the applicable per-share market price threshold for each individual installment, the PSUs shall vest on July 15, 2026. If the applicable market price thresholds have not been achieved by July 15, 2026 or such earlier date that the Reporting Person ceases to be an Employee before December 31, 2025 or ceases to be either an Employee or a Director (or both) before the fifth anniversary of the Grant Date/Vesting Start Date, all unvested PSUs will be forfeited.

F7 · derivative.expiration_date: The original PSU grant was for 225,000 shares on 7/15/2021, vesting in eight equal installments, of which four installments (112,500 shares) vested as reported in this Form 4 and the remaining four installments (112,500 shares) were forfeited as described below. Subject to the Reporting Person's continuing service with the Company as an Employee and/or Director of the Issuer and the achievement of the applicable per-share market price threshold for each individual installment, the PSUs shall vest on July 15, 2026. If the applicable market price thresholds have not been achieved by July 15, 2026 or such earlier date that the Reporting Person ceases to be an Employee before December 31, 2025 or ceases to be either an Employee or a Director (or both) before the fifth anniversary of the Grant Date/Vesting Start Date, all unvested PSUs will be forfeited.

F7 · balance_after: The original PSU grant was for 225,000 shares on 7/15/2021, vesting in eight equal installments, of which four installments (112,500 shares) vested as reported in this Form 4 and the remaining four installments (112,500 shares) were forfeited as described below. Subject to the Reporting Person's continuing service with the Company as an Employee and/or Director of the Issuer and the achievement of the applicable per-share market price threshold for each individual installment, the PSUs shall vest on July 15, 2026. If the applicable market price thresholds have not been achieved by July 15, 2026 or such earlier date that the Reporting Person ceases to be an Employee before December 31, 2025 or ceases to be either an Employee or a Director (or both) before the fifth anniversary of the Grant Date/Vesting Start Date, all unvested PSUs will be forfeited.

SEC source: 0001214659-26-008673 · marketforms-73616.xml · derivative · entry 7

Armstrong Mac · CIK 0001772383 · Director · CEO and Chairman

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 6,250 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F6 · derivative.exercise_date: The original RSU grant was for 125,000 shares on 7/15/2021. Subject to the Reporting Person's continuing service with the Company, the RSUs shall vest as follows: 25,000 shares shall vest on the first year anniversary of the Grant Date/Vesting Base Date; 25,000 shares shall vest on the second year anniversary of the Grant Date/Vesting Base Date; 25,000 shares shall vest on the third year anniversary of the Grant Date/Vesting Base Date; after the third anniversary of the Grant Date/Vesting Base Date, 6,250 shares shall vest on a quarterly basis thereafter, until fully vested.

F6 · derivative.expiration_date: The original RSU grant was for 125,000 shares on 7/15/2021. Subject to the Reporting Person's continuing service with the Company, the RSUs shall vest as follows: 25,000 shares shall vest on the first year anniversary of the Grant Date/Vesting Base Date; 25,000 shares shall vest on the second year anniversary of the Grant Date/Vesting Base Date; 25,000 shares shall vest on the third year anniversary of the Grant Date/Vesting Base Date; after the third anniversary of the Grant Date/Vesting Base Date, 6,250 shares shall vest on a quarterly basis thereafter, until fully vested.

SEC source: 0001214659-26-008673 · marketforms-73616.xml · nonDerivative · entry 6

Armstrong Mac · CIK 0001772383 · Director · CEO and Chairman

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 160,068

F5 · kind: Represents shares automatically sold by the Company on behalf of the Reporting Person pursuant to a mandatory sell-to-cover provision in the PSU award agreement required to cover minimum statutory tax withholding obligations that became due upon the PSU vesting event.

F1 · balance_after: Includes 2,754 shares purchased pursuant to the Palomar Holdings, Inc. 2019 Employee Stock Purchase Plan (ESPP).

SEC source: 0001214659-26-008673 · marketforms-73616.xml · nonDerivative · entry 5

Armstrong Mac · CIK 0001772383 · Director · CEO and Chairman

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 217,612

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · date: Represents the vesting date of previously granted performance stock unit ("PSU") awards, which vested based on the applicable per-share market price thresholds having been achieved and the grantee completing the required service period through such date.

F4 · shares: Represents the number of shares determined to have been earned and vested from a previously granted PSU award. The PSU award was granted on 7/15/2021 and the number of shares that vested was based on achievement of the applicable per-share market price thresholds and the grantee completing the required service period through 7/15/2026.

F1 · balance_after: Includes 2,754 shares purchased pursuant to the Palomar Holdings, Inc. 2019 Employee Stock Purchase Plan (ESPP).

SEC source: 0001214659-26-008673 · marketforms-73616.xml · nonDerivative · entry 4

Armstrong Mac · CIK 0001772383 · Director · CEO and Chairman

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 105,112

F2 · kind: Represents shares automatically sold by the Company on behalf of the Reporting Person pursuant to a mandatory sell-to-cover provision in the RSU award agreement required to cover minimum statutory tax withholding obligations that became due upon the RSU vesting event.

F1 · balance_after: Includes 2,754 shares purchased pursuant to the Palomar Holdings, Inc. 2019 Employee Stock Purchase Plan (ESPP).

SEC source: 0001214659-26-008673 · marketforms-73616.xml · nonDerivative · entry 3

Armstrong Mac · CIK 0001772383 · Director · CEO and Chairman

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 108,309

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · balance_after: Includes 2,754 shares purchased pursuant to the Palomar Holdings, Inc. 2019 Employee Stock Purchase Plan (ESPP).

SEC source: 0001214659-26-007698 · marketforms-73444.xml · nonDerivative · entry 3

Armstrong Mac · CIK 0001772383 · Director · CEO and Chairman

10b5-1 filing: Plan reported

Ownership: Indirect · By Armstrong Family Trust

Disclosed balance after: 329,388

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $112.16 to $113.11 (weighted average of $112.7204), inclusive; $113.19 to $113.50 (weighted average of $113.2784). The Reporting Person undertakes to provide to Palomar Holdings, Inc., any security holder of Palomar Holdings, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote to this Form 4.

SEC source: 0001214659-26-007698 · marketforms-73444.xml · nonDerivative · entry 2

Armstrong Mac · CIK 0001772383 · Director · CEO and Chairman

10b5-1 filing: Plan reported

Ownership: Indirect · By Armstrong Family Trust

Disclosed balance after: 330,883

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $112.16 to $113.11 (weighted average of $112.7204), inclusive; $113.19 to $113.50 (weighted average of $113.2784). The Reporting Person undertakes to provide to Palomar Holdings, Inc., any security holder of Palomar Holdings, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote to this Form 4.

SEC source: 0001214659-26-006696 · marketforms-73237.xml · nonDerivative · entry 3

Armstrong Mac · CIK 0001772383 · Director · CEO and Chairman

10b5-1 filing: Plan reported

Ownership: Indirect · By Armstrong Family Trust

Disclosed balance after: 332,888

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $113.34 to $114.32 (weighted average of $113.9306), inclusive; $114.37 to $115.25 (weighted average of $114.6693). The Reporting Person undertakes to provide to Palomar Holdings, Inc., any security holder of Palomar Holdings, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote to this Form 4.

SEC source: 0001214659-26-006696 · marketforms-73237.xml · nonDerivative · entry 2

Armstrong Mac · CIK 0001772383 · Director · CEO and Chairman

10b5-1 filing: Plan reported

Ownership: Indirect · By Armstrong Family Trust

Disclosed balance after: 335,060

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $113.34 to $114.32 (weighted average of $113.9306), inclusive; $114.37 to $115.25 (weighted average of $114.6693). The Reporting Person undertakes to provide to Palomar Holdings, Inc., any security holder of Palomar Holdings, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote to this Form 4.

SEC source: 0001214659-26-004979 · marketforms-72973.xml · nonDerivative · entry 4

Armstrong Mac · CIK 0001772383 · Director · CEO and Chairman

10b5-1 filing: Plan reported

Ownership: Indirect · By Armstrong Family Trust

Disclosed balance after: 336,388

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $129.48 to $130.46 (weighted average of $129.9052), inclusive; $130.48 to $131.32 (weighted average of $131.1113); and $131.50 to $132.01 (weighted average of $131.7333). The Reporting Person undertakes to provide to Palomar Holdings, Inc., any security holder of Palomar Holdings, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote to this Form 4.

SEC source: 0001214659-26-004979 · marketforms-72973.xml · nonDerivative · entry 3

Armstrong Mac · CIK 0001772383 · Director · CEO and Chairman

10b5-1 filing: Plan reported

Ownership: Indirect · By Armstrong Family Trust

Disclosed balance after: 337,588

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $129.48 to $130.46 (weighted average of $129.9052), inclusive; $130.48 to $131.32 (weighted average of $131.1113); and $131.50 to $132.01 (weighted average of $131.7333). The Reporting Person undertakes to provide to Palomar Holdings, Inc., any security holder of Palomar Holdings, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote to this Form 4.

SEC source: 0001214659-26-004979 · marketforms-72973.xml · nonDerivative · entry 2

Armstrong Mac · CIK 0001772383 · Director · CEO and Chairman

10b5-1 filing: Plan reported

Ownership: Indirect · By Armstrong Family Trust

Disclosed balance after: 338,266

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $129.48 to $130.46 (weighted average of $129.9052), inclusive; $130.48 to $131.32 (weighted average of $131.1113); and $131.50 to $132.01 (weighted average of $131.7333). The Reporting Person undertakes to provide to Palomar Holdings, Inc., any security holder of Palomar Holdings, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote to this Form 4.

SEC source: 0001214659-26-004800 · marketforms-72946.xml · derivative · entry 5

Armstrong Mac · CIK 0001772383 · Director · CEO and Chairman

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 6,250

Underlying: Common Stock · 6,250 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · derivative.exercise_date: The original RSU grant was for 125,000 shares on 7/15/2021. Subject to the Reporting Person's continuing service with the Company, the RSUs shall vest as follows: 25,000 shares shall vest on the first year anniversary of the Grant Date/Vesting Base Date; 25,000 shares shall vest on the second year anniversary of the Grant Date/Vesting Base Date; 25,000 shares shall vest on the third year anniversary of the Grant Date/Vesting Base Date; after the third anniversary of the Grant Date/Vesting Base Date, 6,250 shares shall vest on a quarterly basis thereafter, until fully vested.

F3 · derivative.expiration_date: The original RSU grant was for 125,000 shares on 7/15/2021. Subject to the Reporting Person's continuing service with the Company, the RSUs shall vest as follows: 25,000 shares shall vest on the first year anniversary of the Grant Date/Vesting Base Date; 25,000 shares shall vest on the second year anniversary of the Grant Date/Vesting Base Date; 25,000 shares shall vest on the third year anniversary of the Grant Date/Vesting Base Date; after the third anniversary of the Grant Date/Vesting Base Date, 6,250 shares shall vest on a quarterly basis thereafter, until fully vested.

SEC source: 0001214659-26-004800 · marketforms-72946.xml · nonDerivative · entry 4

Armstrong Mac · CIK 0001772383 · Director · CEO and Chairman

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 102,059

F1 · kind: Represents shares automatically sold by the Company on behalf of the Reporting Person pursuant to a mandatory sell-to-cover provision in the RSU award agreement required to cover minimum statutory tax withholding obligations that became due upon the RSU vesting event.

F2 · balance_after: Includes 2,754 shares purchased pursuant to the Palomar Holdings, Inc. 2019 Employee Stock Purchase Plan (ESPP).

SEC source: 0001214659-26-004800 · marketforms-72946.xml · nonDerivative · entry 3

Armstrong Mac · CIK 0001772383 · Director · CEO and Chairman

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 105,256

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · balance_after: Includes 2,754 shares purchased pursuant to the Palomar Holdings, Inc. 2019 Employee Stock Purchase Plan (ESPP).

SEC source: 0001214659-26-003787 · marketforms-72731.xml · nonDerivative · entry 5

Armstrong Mac · CIK 0001772383 · Director · CEO and Chairman

10b5-1 filing: Plan reported

Ownership: Indirect · By Armstrong Family Trust

Disclosed balance after: 339,888

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $117.84 to $118.71 (weighted average of $118.3340), inclusive; $119.26 to $119.54 (weighted average of $119.4680), inclusive; $120.41 to $121.39 (weighted average of $120.7757), inclusive; $121.41 to $122.11 (weighted average of $121.7400), inclusive. The Reporting Person undertakes to provide to Palomar Holdings, Inc., any security holder of Palomar Holdings, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote to this Form 4.

SEC source: 0001214659-26-003787 · marketforms-72731.xml · nonDerivative · entry 4

Armstrong Mac · CIK 0001772383 · Director · CEO and Chairman

10b5-1 filing: Plan reported

Ownership: Indirect · By Armstrong Family Trust

Disclosed balance after: 340,866

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $117.84 to $118.71 (weighted average of $118.3340), inclusive; $119.26 to $119.54 (weighted average of $119.4680), inclusive; $120.41 to $121.39 (weighted average of $120.7757), inclusive; $121.41 to $122.11 (weighted average of $121.7400), inclusive. The Reporting Person undertakes to provide to Palomar Holdings, Inc., any security holder of Palomar Holdings, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote to this Form 4.

SEC source: 0001214659-26-003787 · marketforms-72731.xml · nonDerivative · entry 3

Armstrong Mac · CIK 0001772383 · Director · CEO and Chairman

10b5-1 filing: Plan reported

Ownership: Indirect · By Armstrong Family Trust

Disclosed balance after: 342,488

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $117.84 to $118.71 (weighted average of $118.3340), inclusive; $119.26 to $119.54 (weighted average of $119.4680), inclusive; $120.41 to $121.39 (weighted average of $120.7757), inclusive; $121.41 to $122.11 (weighted average of $121.7400), inclusive. The Reporting Person undertakes to provide to Palomar Holdings, Inc., any security holder of Palomar Holdings, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote to this Form 4.

SEC source: 0001214659-26-003787 · marketforms-72731.xml · nonDerivative · entry 2

Armstrong Mac · CIK 0001772383 · Director · CEO and Chairman

10b5-1 filing: Plan reported

Ownership: Indirect · By Armstrong Family Trust

Disclosed balance after: 342,988

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $117.84 to $118.71 (weighted average of $118.3340), inclusive; $119.26 to $119.54 (weighted average of $119.4680), inclusive; $120.41 to $121.39 (weighted average of $120.7757), inclusive; $121.41 to $122.11 (weighted average of $121.7400), inclusive. The Reporting Person undertakes to provide to Palomar Holdings, Inc., any security holder of Palomar Holdings, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote to this Form 4.

SEC source: 0001214659-26-001729 · marketforms-72159.xml · nonDerivative · entry 9

Armstrong Mac · CIK 0001772383 · Director · CEO and Chairman

10b5-1 filing: Plan reported

Ownership: Indirect · By Armstrong Family Trust

Disclosed balance after: 343,388

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $117.27 to $117.73 (weighted average of $117.5767), inclusive; $119.02 to $119.88 (weighted average of $119.4245),inclusive; $120.12 to $121.02 (weighted average of $120.5740), inclusive; $121.16 to $121.5 (weighted average of $121.3225), inclusive; $123.12 to $124.04 (weighted average of $123.6333), inclusive; $124.23 to $125.15 (weighted average of $124.7764), inclusive; $126.06 to $126.17 (weighted average of $126.1469), inclusive; and $127.51 to $128.4 (weighted average of $128.2546), inclusive. The Reporting Person undertakes to provide to Palomar Holdings, Inc., any security holder of Palomar Holdings, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote to this Form 4.

SEC source: 0001214659-26-001729 · marketforms-72159.xml · nonDerivative · entry 8

Armstrong Mac · CIK 0001772383 · Director · CEO and Chairman

10b5-1 filing: Plan reported

Ownership: Indirect · By Armstrong Family Trust

Disclosed balance after: 343,811

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $117.27 to $117.73 (weighted average of $117.5767), inclusive; $119.02 to $119.88 (weighted average of $119.4245),inclusive; $120.12 to $121.02 (weighted average of $120.5740), inclusive; $121.16 to $121.5 (weighted average of $121.3225), inclusive; $123.12 to $124.04 (weighted average of $123.6333), inclusive; $124.23 to $125.15 (weighted average of $124.7764), inclusive; $126.06 to $126.17 (weighted average of $126.1469), inclusive; and $127.51 to $128.4 (weighted average of $128.2546), inclusive. The Reporting Person undertakes to provide to Palomar Holdings, Inc., any security holder of Palomar Holdings, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote to this Form 4.

SEC source: 0001214659-26-001729 · marketforms-72159.xml · nonDerivative · entry 7

Armstrong Mac · CIK 0001772383 · Director · CEO and Chairman

10b5-1 filing: Plan reported

Ownership: Indirect · By Armstrong Family Trust

Disclosed balance after: 343,911

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $117.27 to $117.73 (weighted average of $117.5767), inclusive; $119.02 to $119.88 (weighted average of $119.4245),inclusive; $120.12 to $121.02 (weighted average of $120.5740), inclusive; $121.16 to $121.5 (weighted average of $121.3225), inclusive; $123.12 to $124.04 (weighted average of $123.6333), inclusive; $124.23 to $125.15 (weighted average of $124.7764), inclusive; $126.06 to $126.17 (weighted average of $126.1469), inclusive; and $127.51 to $128.4 (weighted average of $128.2546), inclusive. The Reporting Person undertakes to provide to Palomar Holdings, Inc., any security holder of Palomar Holdings, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote to this Form 4.

SEC source: 0001214659-26-001729 · marketforms-72159.xml · nonDerivative · entry 6

Armstrong Mac · CIK 0001772383 · Director · CEO and Chairman

10b5-1 filing: Plan reported

Ownership: Indirect · By Armstrong Family Trust

Disclosed balance after: 344,934

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $117.27 to $117.73 (weighted average of $117.5767), inclusive; $119.02 to $119.88 (weighted average of $119.4245),inclusive; $120.12 to $121.02 (weighted average of $120.5740), inclusive; $121.16 to $121.5 (weighted average of $121.3225), inclusive; $123.12 to $124.04 (weighted average of $123.6333), inclusive; $124.23 to $125.15 (weighted average of $124.7764), inclusive; $126.06 to $126.17 (weighted average of $126.1469), inclusive; and $127.51 to $128.4 (weighted average of $128.2546), inclusive. The Reporting Person undertakes to provide to Palomar Holdings, Inc., any security holder of Palomar Holdings, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote to this Form 4.

SEC source: 0001214659-26-001729 · marketforms-72159.xml · nonDerivative · entry 5

Armstrong Mac · CIK 0001772383 · Director · CEO and Chairman

10b5-1 filing: Plan reported

Ownership: Indirect · By Armstrong Family Trust

Disclosed balance after: 346,242

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $117.27 to $117.73 (weighted average of $117.5767), inclusive; $119.02 to $119.88 (weighted average of $119.4245),inclusive; $120.12 to $121.02 (weighted average of $120.5740), inclusive; $121.16 to $121.5 (weighted average of $121.3225), inclusive; $123.12 to $124.04 (weighted average of $123.6333), inclusive; $124.23 to $125.15 (weighted average of $124.7764), inclusive; $126.06 to $126.17 (weighted average of $126.1469), inclusive; and $127.51 to $128.4 (weighted average of $128.2546), inclusive. The Reporting Person undertakes to provide to Palomar Holdings, Inc., any security holder of Palomar Holdings, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote to this Form 4.

SEC source: 0001214659-26-001729 · marketforms-72159.xml · nonDerivative · entry 4

Armstrong Mac · CIK 0001772383 · Director · CEO and Chairman

10b5-1 filing: Plan reported

Ownership: Indirect · By Armstrong Family Trust

Disclosed balance after: 346,488

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $117.27 to $117.73 (weighted average of $117.5767), inclusive; $119.02 to $119.88 (weighted average of $119.4245),inclusive; $120.12 to $121.02 (weighted average of $120.5740), inclusive; $121.16 to $121.5 (weighted average of $121.3225), inclusive; $123.12 to $124.04 (weighted average of $123.6333), inclusive; $124.23 to $125.15 (weighted average of $124.7764), inclusive; $126.06 to $126.17 (weighted average of $126.1469), inclusive; and $127.51 to $128.4 (weighted average of $128.2546), inclusive. The Reporting Person undertakes to provide to Palomar Holdings, Inc., any security holder of Palomar Holdings, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote to this Form 4.

SEC source: 0001214659-26-001729 · marketforms-72159.xml · nonDerivative · entry 3

Armstrong Mac · CIK 0001772383 · Director · CEO and Chairman

10b5-1 filing: Plan reported

Ownership: Indirect · By Armstrong Family Trust

Disclosed balance after: 346,988

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $117.27 to $117.73 (weighted average of $117.5767), inclusive; $119.02 to $119.88 (weighted average of $119.4245),inclusive; $120.12 to $121.02 (weighted average of $120.5740), inclusive; $121.16 to $121.5 (weighted average of $121.3225), inclusive; $123.12 to $124.04 (weighted average of $123.6333), inclusive; $124.23 to $125.15 (weighted average of $124.7764), inclusive; $126.06 to $126.17 (weighted average of $126.1469), inclusive; and $127.51 to $128.4 (weighted average of $128.2546), inclusive. The Reporting Person undertakes to provide to Palomar Holdings, Inc., any security holder of Palomar Holdings, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote to this Form 4.

SEC source: 0001214659-26-001729 · marketforms-72159.xml · nonDerivative · entry 2

Armstrong Mac · CIK 0001772383 · Director · CEO and Chairman

10b5-1 filing: Plan reported

Ownership: Indirect · By Armstrong Family Trust

Disclosed balance after: 348,088

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $117.27 to $117.73 (weighted average of $117.5767), inclusive; $119.02 to $119.88 (weighted average of $119.4245),inclusive; $120.12 to $121.02 (weighted average of $120.5740), inclusive; $121.16 to $121.5 (weighted average of $121.3225), inclusive; $123.12 to $124.04 (weighted average of $123.6333), inclusive; $124.23 to $125.15 (weighted average of $124.7764), inclusive; $126.06 to $126.17 (weighted average of $126.1469), inclusive; and $127.51 to $128.4 (weighted average of $128.2546), inclusive. The Reporting Person undertakes to provide to Palomar Holdings, Inc., any security holder of Palomar Holdings, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote to this Form 4.

SEC source: 0001214659-26-001089 · marketforms-71991.xml · derivative · entry 11

Armstrong Mac · CIK 0001772383 · Director · CEO and Chairman

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 4,266 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F5 · derivative.exercise_date: The original RSU grant was for 12,798 shares on 1/31/2023. Subject to continuing service with the Company, the restricted stock units shall vest as follows: one-third (1/3) shall vest on the first year anniversary of the date of the grant; an additional one-third (1/3) shall vest on the second year anniversary of the date of the grant; and the final one-third (1/3) shall vest on the third year anniversary of the date of grant.

F5 · derivative.expiration_date: The original RSU grant was for 12,798 shares on 1/31/2023. Subject to continuing service with the Company, the restricted stock units shall vest as follows: one-third (1/3) shall vest on the first year anniversary of the date of the grant; an additional one-third (1/3) shall vest on the second year anniversary of the date of the grant; and the final one-third (1/3) shall vest on the third year anniversary of the date of grant.

SEC source: 0001214659-26-001089 · marketforms-71991.xml · nonDerivative · entry 8

Armstrong Mac · CIK 0001772383 · Director · CEO and Chairman

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 98,904

F1 · kind: Represents shares automatically sold by the Company on behalf of the Reporting Person pursuant to a mandatory sell-to-cover provision in the RSU award agreement required to cover minimum statutory tax withholding obligations that became due upon the RSU vesting event.

F2 · balance_after: Includes 2,652 shares purchased pursuant to the Palomar Holdings, Inc. 2019 Employee Stock Purchase Plan (ESPP).

SEC source: 0001214659-26-001089 · marketforms-71991.xml · nonDerivative · entry 7

Armstrong Mac · CIK 0001772383 · Director · CEO and Chairman

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 101,109

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · balance_after: Includes 2,652 shares purchased pursuant to the Palomar Holdings, Inc. 2019 Employee Stock Purchase Plan (ESPP).

SEC source: 0001214659-26-001089 · marketforms-71991.xml · derivative · entry 10

Armstrong Mac · CIK 0001772383 · Director · CEO and Chairman

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 11,437

Underlying: Common Stock · 5,719 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F4 · derivative.exercise_date: The original RSU grant was for 17,156 shares on 1/29/2025. Subject to continuing service with the Company, the restricted stock units shall vest as follows: one-third (1/3) shall vest on the first year anniversary of the date of the grant; an additional one-third (1/3) shall vest on the second year anniversary of the date of the grant; and the final one-third (1/3) shall vest on the third year anniversary of the date of grant.

F4 · derivative.expiration_date: The original RSU grant was for 17,156 shares on 1/29/2025. Subject to continuing service with the Company, the restricted stock units shall vest as follows: one-third (1/3) shall vest on the first year anniversary of the date of the grant; an additional one-third (1/3) shall vest on the second year anniversary of the date of the grant; and the final one-third (1/3) shall vest on the third year anniversary of the date of grant.

SEC source: 0001214659-26-001089 · marketforms-71991.xml · derivative · entry 9

Armstrong Mac · CIK 0001772383 · Director · CEO and Chairman

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 4,787

Underlying: Common Stock · 4,786 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · derivative.exercise_date: The original RSU grant was for 14,360 shares on 1/29/2024. Subject to continuing service with the Company, the restricted stock units shall vest as follows: one-third (1/3) shall vest on the first year anniversary of the date of the grant; an additional one-third (1/3) shall vest on the second year anniversary of the date of the grant; and the final one-third (1/3) shall vest on the third year anniversary of the date of grant.

F3 · derivative.expiration_date: The original RSU grant was for 14,360 shares on 1/29/2024. Subject to continuing service with the Company, the restricted stock units shall vest as follows: one-third (1/3) shall vest on the first year anniversary of the date of the grant; an additional one-third (1/3) shall vest on the second year anniversary of the date of the grant; and the final one-third (1/3) shall vest on the third year anniversary of the date of grant.

SEC source: 0001214659-26-001089 · marketforms-71991.xml · nonDerivative · entry 6

Armstrong Mac · CIK 0001772383 · Director · CEO and Chairman

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 96,843

F1 · kind: Represents shares automatically sold by the Company on behalf of the Reporting Person pursuant to a mandatory sell-to-cover provision in the RSU award agreement required to cover minimum statutory tax withholding obligations that became due upon the RSU vesting event.

F2 · balance_after: Includes 2,652 shares purchased pursuant to the Palomar Holdings, Inc. 2019 Employee Stock Purchase Plan (ESPP).

SEC source: 0001214659-26-001089 · marketforms-71991.xml · nonDerivative · entry 5

Armstrong Mac · CIK 0001772383 · Director · CEO and Chairman

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 99,782

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · balance_after: Includes 2,652 shares purchased pursuant to the Palomar Holdings, Inc. 2019 Employee Stock Purchase Plan (ESPP).

SEC source: 0001214659-26-001089 · marketforms-71991.xml · nonDerivative · entry 4

Armstrong Mac · CIK 0001772383 · Director · CEO and Chairman

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 94,063

F1 · kind: Represents shares automatically sold by the Company on behalf of the Reporting Person pursuant to a mandatory sell-to-cover provision in the RSU award agreement required to cover minimum statutory tax withholding obligations that became due upon the RSU vesting event.

F2 · balance_after: Includes 2,652 shares purchased pursuant to the Palomar Holdings, Inc. 2019 Employee Stock Purchase Plan (ESPP).

SEC source: 0001214659-26-001089 · marketforms-71991.xml · nonDerivative · entry 3

Armstrong Mac · CIK 0001772383 · Director · CEO and Chairman

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 96,523

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · balance_after: Includes 2,652 shares purchased pursuant to the Palomar Holdings, Inc. 2019 Employee Stock Purchase Plan (ESPP).

SEC source: 0001214659-26-001019 · marketforms-71960.xml · derivative · entry 5

Armstrong Mac · CIK 0001772383 · Director · CEO and Chairman

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 21,539

Underlying: Common Stock · 21,539 shares

Expires not disclosed

F5 · derivative.exercise_date: The original RSU grant was for 21,539 shares on 1/28/2026. Subject to continuing service with the Company, the restricted stock units shall vest as follows: one-third (1/3) shall vest on the first year anniversary of the date of the grant; an additional one-third (1/3) shall vest on the second year anniversary of the date of the grant; and the final one-third (1/3) shall vest on the third year anniversary of the date of grant.

F5 · derivative.expiration_date: The original RSU grant was for 21,539 shares on 1/28/2026. Subject to continuing service with the Company, the restricted stock units shall vest as follows: one-third (1/3) shall vest on the first year anniversary of the date of the grant; an additional one-third (1/3) shall vest on the second year anniversary of the date of the grant; and the final one-third (1/3) shall vest on the third year anniversary of the date of grant.

SEC source: 0001214659-26-001019 · marketforms-71960.xml · nonDerivative · entry 4

Armstrong Mac · CIK 0001772383 · Director · CEO and Chairman

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 91,737

F4 · kind: Represents shares automatically sold by the Company on behalf of the Reporting Person pursuant to a mandatory sell-to-cover provision in the PSU award agreement required to cover minimum statutory tax withholding obligations that became due upon the PSU vesting event.

F1 · balance_after: Includes 2,652 shares purchased pursuant to the Palomar Holdings, Inc. 2019 Employee Stock Purchase Plan (ESPP).

SEC source: 0001214659-26-001019 · marketforms-71960.xml · nonDerivative · entry 3

Armstrong Mac · CIK 0001772383 · Director · CEO and Chairman

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 103,221

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · date: Represents the date on which the Compensation Committee ratified the achievement of certain company financial performance criteria related to a previously granted performance stock unit ("PSU") award causing the award to become vested.

F3 · shares: Represents the number of shares of common stock determined to have been earned and vested from a previously granted PSU award. The PSU award was granted on 1/31/2023 and vested based on i. the grantee completing the required service period through 1/1/2026 and ii. the Compensation Committee ratifying the number of shares earned based on the achievement of certain company financial performance criteria.

F1 · balance_after: Includes 2,652 shares purchased pursuant to the Palomar Holdings, Inc. 2019 Employee Stock Purchase Plan (ESPP).

SEC source: 0001214659-26-000755 · marketforms-71920.xml · nonDerivative · entry 5

Armstrong Mac · CIK 0001772383 · Director · CEO and Chairman

10b5-1 filing: Plan reported

Ownership: Indirect · By Armstrong Family Trust

Disclosed balance after: 348,388

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $127.18 to $128.17 (weighted average of $127.8419), inclusive, $128.24 to $129.15 (weighted average of $128.6661), $129.24 to $130.21 (weighted average of $129.7523), and $130.26 to $130.29 (weighted average of $130.2893). The Reporting Person undertakes to provide to Palomar Holdings, Inc., any security holder of Palomar Holdings, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote to this Form 4.