diff --git a/src/main/java/com/dnd/moddo/event/application/impl/SettlementReader.java b/src/main/java/com/dnd/moddo/event/application/impl/SettlementReader.java
index 2b133253..5f051593 100644
--- a/src/main/java/com/dnd/moddo/event/application/impl/SettlementReader.java
+++ b/src/main/java/com/dnd/moddo/event/application/impl/SettlementReader.java
@@ -44,7 +44,9 @@ public SettlementHeaderResponse findByHeader(Long settlementId) {
 
 		return SettlementHeaderResponse.of(settlement.getName(), totalAmount, settlement.getDeadline(),
 			settlement.getBank(),
-			settlement.getAccountNumber());
+			settlement.getAccountNumber(),
+			settlement.getCreatedAt(),
+			settlement.getCompletedAt());
 	}
 
 	@Transactional(readOnly = true)
diff --git a/src/main/java/com/dnd/moddo/event/presentation/response/SettlementHeaderResponse.java b/src/main/java/com/dnd/moddo/event/presentation/response/SettlementHeaderResponse.java
index b6dbbd4e..15f223d8 100644
--- a/src/main/java/com/dnd/moddo/event/presentation/response/SettlementHeaderResponse.java
+++ b/src/main/java/com/dnd/moddo/event/presentation/response/SettlementHeaderResponse.java
@@ -7,10 +7,13 @@ public record SettlementHeaderResponse(
 	Long totalAmount,
 	LocalDateTime deadline,
 	String bank,
-	String accountNumber
+	String accountNumber,
+	LocalDateTime createdAt,
+	LocalDateTime completedAt
 ) {
 	public static SettlementHeaderResponse of(String groupName, Long totalAmount, LocalDateTime deadline, String bank,
-		String accountNumber) {
-		return new SettlementHeaderResponse(groupName, totalAmount, deadline, bank, accountNumber);
+		String accountNumber, LocalDateTime createdAt, LocalDateTime completedAt) {
+		return new SettlementHeaderResponse(groupName, totalAmount, deadline, bank, accountNumber, createdAt,
+			completedAt);
 	}
 }
diff --git a/src/test/java/com/dnd/moddo/domain/settlement/controller/SettlementControllerTest.java b/src/test/java/com/dnd/moddo/domain/settlement/controller/SettlementControllerTest.java
index 21ea542b..57cd04c2 100644
--- a/src/test/java/com/dnd/moddo/domain/settlement/controller/SettlementControllerTest.java
+++ b/src/test/java/com/dnd/moddo/domain/settlement/controller/SettlementControllerTest.java
@@ -121,7 +121,7 @@ void getHeader() throws Exception {
 		// given
 		SettlementHeaderResponse response = SettlementHeaderResponse.of("모또 모임", 10000L,
 			LocalDateTime.now().plusDays(1), "우리은행",
-			"1111-1111");
+			"1111-1111", LocalDateTime.now(), null);
 
 		given(querySettlementService.findIdByCode("code")).willReturn(100L);
 		given(querySettlementService.findBySettlementHeader(100L)).willReturn(response);
diff --git a/src/test/java/com/dnd/moddo/domain/settlement/service/QuerySettlementServiceTest.java b/src/test/java/com/dnd/moddo/domain/settlement/service/QuerySettlementServiceTest.java
index 8313f7fd..b07f7442 100644
--- a/src/test/java/com/dnd/moddo/domain/settlement/service/QuerySettlementServiceTest.java
+++ b/src/test/java/com/dnd/moddo/domain/settlement/service/QuerySettlementServiceTest.java
@@ -123,7 +123,8 @@ void FindOne_Failure_WhenGroupNotFound() {
 	void FindBySettlementHeader_Success() {
 		// Given
 		SettlementHeaderResponse expectedResponse = new SettlementHeaderResponse(settlement.getName(), 1000L,
-			LocalDateTime.now().plusDays(1), settlement.getBank(), settlement.getAccountNumber());
+			LocalDateTime.now().plusDays(1), settlement.getBank(), settlement.getAccountNumber(),
+			settlement.getCreatedAt(), settlement.getCompletedAt());
 		when(cacheExecutor.execute(anyString(), any(), any())).thenReturn(expectedResponse);
 
 		// When
diff --git a/src/test/java/com/dnd/moddo/domain/settlement/service/implementation/SettlementReaderTest.java b/src/test/java/com/dnd/moddo/domain/settlement/service/implementation/SettlementReaderTest.java
index d66893b5..a579c16f 100644
--- a/src/test/java/com/dnd/moddo/domain/settlement/service/implementation/SettlementReaderTest.java
+++ b/src/test/java/com/dnd/moddo/domain/settlement/service/implementation/SettlementReaderTest.java
@@ -95,6 +95,8 @@ void findByHeader_Success() {
 		when(mockSettlement.getName()).thenReturn("모임 이름");
 		when(mockSettlement.getBank()).thenReturn("은행");
 		when(mockSettlement.getAccountNumber()).thenReturn("1234-1234");
+		when(mockSettlement.getCreatedAt()).thenReturn(LocalDateTime.of(2026, 5, 10, 12, 0));
+		when(mockSettlement.getCompletedAt()).thenReturn(LocalDateTime.of(2026, 5, 11, 12, 0));
 		when(settlementRepository.getById(anyLong())).thenReturn(mockSettlement);
 
 		Long totalAmount = 1000L;
@@ -109,6 +111,8 @@ void findByHeader_Success() {
 		assertThat(result.totalAmount()).isEqualTo(1000L);
 		assertThat(result.bank()).isEqualTo("은행");
 		assertThat(result.accountNumber()).isEqualTo("1234-1234");
+		assertThat(result.createdAt()).isEqualTo(LocalDateTime.of(2026, 5, 10, 12, 0));
+		assertThat(result.completedAt()).isEqualTo(LocalDateTime.of(2026, 5, 11, 12, 0));
 		verify(settlementRepository, times(1)).getById(groupId);
 		verify(expenseRepository, times(1)).sumAmountBySettlement(mockSettlement);
 	}