diff --git a/src/logic/safe/store/actions/createTransaction.ts b/src/logic/safe/store/actions/createTransaction.ts
index 6f0424a730..f21a5d349d 100644
--- a/src/logic/safe/store/actions/createTransaction.ts
+++ b/src/logic/safe/store/actions/createTransaction.ts
@@ -5,6 +5,7 @@ import semverSatisfies from 'semver/functions/satisfies'
 import { ThunkAction } from 'redux-thunk'
 
 import { onboardUser } from 'src/components/ConnectButton'
+import { decodeMethods } from 'src/logic/contracts/methodIds'
 import { getGnosisSafeInstanceAt } from 'src/logic/contracts/safeContracts'
 import { getNotificationsFromTxType } from 'src/logic/notifications'
 import {
@@ -205,6 +206,7 @@ const createTransaction = (
       confirmations: [], // this is used to determine if a tx is pending or not. See `calculateTransactionStatus` helper
       value: txArgs.valueInWei,
       safeTxHash,
+      dataDecoded: decodeMethods(txArgs.data),
       submissionDate: new Date().toISOString(),
     }
     const mockedTx = await mockTransaction(txToMock, safeAddress, state)
diff --git a/src/logic/safe/store/actions/processTransaction.ts b/src/logic/safe/store/actions/processTransaction.ts
index 0791584c75..9c016876c6 100644
--- a/src/logic/safe/store/actions/processTransaction.ts
+++ b/src/logic/safe/store/actions/processTransaction.ts
@@ -1,4 +1,3 @@
-import { fromJS } from 'immutable'
 import semverSatisfies from 'semver/functions/satisfies'
 
 import { getGnosisSafeInstanceAt } from 'src/logic/contracts/safeContracts'
@@ -20,9 +19,9 @@ import {
 import { getLastTx, getNewTxNonce, shouldExecuteTransaction } from 'src/logic/safe/store/actions/utils'
 
 import { getErrorMessage } from 'src/test/utils/ethereumErrors'
-import { makeConfirmation } from '../models/confirmation'
 import { storeTx } from './createTransaction'
-import { TransactionStatus } from '../models/types/transaction'
+import { TransactionStatus } from 'src/logic/safe/store/models/types/transaction'
+import { makeConfirmation } from 'src/logic/safe/store/models/confirmation'
 
 const processTransaction = ({ approveAndExecute, notifiedTransaction, safeAddress, tx, userAddress }) => async (
   dispatch,
@@ -85,6 +84,8 @@ const processTransaction = ({ approveAndExecute, notifiedTransaction, safeAddres
         dispatch(closeSnackbarAction(beforeExecutionKey))
 
         await saveTxToHistory({ ...txArgs, signature })
+        // TODO: while we wait for the tx to be stored in the service and later update the tx info
+        //  we should update the tx status in the store to disable owners' action buttons
         dispatch(enqueueSnackbar(notificationsQueue.afterExecution.moreConfirmationsNeeded))
 
         dispatch(fetchTransactions(safeAddress))
@@ -105,9 +106,7 @@ const processTransaction = ({ approveAndExecute, notifiedTransaction, safeAddres
 
     const txToMock: TxToMock = {
       ...txArgs,
-      confirmations: txArgs.confirmations, // this is used to determine if a tx is pending or not. See `calculateTransactionStatus` helper
       value: txArgs.valueInWei,
-      submissionDate: txArgs.submissionDate,
     }
     const mockedTx = await mockTransaction(txToMock, safeAddress, state)
 
@@ -123,10 +122,14 @@ const processTransaction = ({ approveAndExecute, notifiedTransaction, safeAddres
           await Promise.all([
             saveTxToHistory({ ...txArgs, txHash }),
             storeTx(
-              mockedTx.updateIn(
-                ['ownersWithPendingActions', mockedTx.isCancellationTx ? 'reject' : 'confirm'],
-                (previous) => previous.push(from),
-              ),
+              mockedTx.withMutations((record) => {
+                record
+                  .updateIn(
+                    ['ownersWithPendingActions', mockedTx.isCancellationTx ? 'reject' : 'confirm'],
+                    (previous) => previous.push(from),
+                  )
+                  .set('status', TransactionStatus.PENDING)
+              }),
               safeAddress,
               dispatch,
               state,
@@ -175,16 +178,20 @@ const processTransaction = ({ approveAndExecute, notifiedTransaction, safeAddres
                     : TransactionStatus.FAILED,
                 )
                 .updateIn(['ownersWithPendingActions', 'reject'], (prev) => prev.clear())
+                .updateIn(['ownersWithPendingActions', 'confirm'], (prev) => prev.clear())
+            })
+          : mockedTx.withMutations((record) => {
+              record
+                .updateIn(['ownersWithPendingActions', toStoreTx.isCancellationTx ? 'reject' : 'confirm'], (previous) =>
+                  previous.pop(),
+                )
+                .set('status', TransactionStatus.AWAITING_CONFIRMATIONS)
             })
-          : mockedTx.set('status', TransactionStatus.AWAITING_CONFIRMATIONS)
 
         await storeTx(
-          toStoreTx.withMutations((record) => {
-            record
-              .set('confirmations', fromJS([...tx.confirmations, makeConfirmation({ owner: from })]))
-              .updateIn(['ownersWithPendingActions', toStoreTx.isCancellationTx ? 'reject' : 'confirm'], (previous) =>
-                previous.pop(from),
-              )
+          toStoreTx.update('confirmations', (confirmations) => {
+            const index = confirmations.findIndex(({ owner }) => owner === from)
+            return index === -1 ? confirmations.push(makeConfirmation({ owner: from })) : confirmations
           }),
           safeAddress,
           dispatch,
diff --git a/src/logic/safe/store/actions/transactions/utils/transactionHelpers.ts b/src/logic/safe/store/actions/transactions/utils/transactionHelpers.ts
index 05b89bb8fc..71512cc085 100644
--- a/src/logic/safe/store/actions/transactions/utils/transactionHelpers.ts
+++ b/src/logic/safe/store/actions/transactions/utils/transactionHelpers.ts
@@ -34,7 +34,7 @@ import { TypedDataUtils } from 'eth-sig-util'
 import { Token } from 'src/logic/tokens/store/model/token'
 import { ProviderRecord } from 'src/logic/wallets/store/model/provider'
 import { SafeRecord } from 'src/logic/safe/store/models/safe'
-import { DecodedParams } from 'src/routes/safe/store/models/types/transactions.d'
+import { DataDecoded, DecodedParams } from 'src/routes/safe/store/models/types/transactions.d'
 
 export const isEmptyData = (data?: string | null): boolean => {
   return !data || data === EMPTY_DATA
@@ -316,6 +316,7 @@ export type TxToMock = TxArgs & {
   safeTxHash: string
   value: string
   submissionDate: string
+  dataDecoded: DataDecoded | null
 }
 
 export const mockTransaction = (tx: TxToMock, safeAddress: string, state: AppReduxState): Promise<Transaction> => {
diff --git a/src/routes/safe/components/Transactions/TxsTable/ExpandedTx/OwnersColumn/index.tsx b/src/routes/safe/components/Transactions/TxsTable/ExpandedTx/OwnersColumn/index.tsx
index 0413ee4860..bf23228989 100644
--- a/src/routes/safe/components/Transactions/TxsTable/ExpandedTx/OwnersColumn/index.tsx
+++ b/src/routes/safe/components/Transactions/TxsTable/ExpandedTx/OwnersColumn/index.tsx
@@ -142,6 +142,7 @@ const OwnersColumn = ({
     displayButtonRow = false
   }
 
+  // TODO: simplify this whole logic around tx status, it's getting hard to maintain and follow
   const showConfirmBtn =
     !tx.isExecuted &&
     tx.status !== 'pending' &&
@@ -151,7 +152,8 @@ const OwnersColumn = ({
     !currentUserAlreadyConfirmed &&
     !thresholdReached
 
-  const showExecuteBtn = canExecute && !tx.isExecuted && thresholdReached
+  const showExecuteBtn =
+    canExecute && !tx.isExecuted && thresholdReached && tx.status !== 'pending' && cancelTx.status !== 'pending'
 
   const showRejectBtn =
     !cancelTx.isExecuted &&
@@ -163,7 +165,13 @@ const OwnersColumn = ({
     !cancelThresholdReached &&
     displayButtonRow
 
-  const showExecuteRejectBtn = !cancelTx.isExecuted && !tx.isExecuted && canExecuteCancel && cancelThresholdReached
+  const showExecuteRejectBtn =
+    !cancelTx.isExecuted &&
+    !tx.isExecuted &&
+    canExecuteCancel &&
+    cancelThresholdReached &&
+    tx.status !== 'pending' &&
+    cancelTx.status !== 'pending'
 
   const txThreshold = cancelTx.isExecuted ? tx.confirmations.size : threshold
   const cancelThreshold = tx.isExecuted ? cancelTx.confirmations.size : threshold