diff --git a/packages/web/scripts/backfill-action-proposals-executed.ts b/packages/web/scripts/backfill-action-proposals-executed.ts
new file mode 100644
index 00000000..502dd7d4
--- /dev/null
+++ b/packages/web/scripts/backfill-action-proposals-executed.ts
@@ -0,0 +1,271 @@
+import { db } from '@/db';
+import { actionProposals } from '@/db/schema';
+import { and, eq, isNotNull } from 'drizzle-orm';
+import {
+  decodeEventLog,
+  getEventSelector,
+  parseAbiItem,
+  type Address,
+  type Hex,
+  type TransactionReceipt,
+} from 'viem';
+import {
+  isSupportedChain,
+  SUPPORTED_CHAINS,
+  type SupportedChainId,
+} from '@/lib/constants/chains';
+import { getRPCManager } from '@/lib/multi-chain-rpc';
+
+type VaultPayload = Record<string, unknown>;
+
+function resolvePayloadChainId(payload: VaultPayload): SupportedChainId {
+  const chainIdRaw =
+    (payload.chainId as number | string | undefined) ??
+    (payload.chain_id as number | string | undefined);
+
+  const chainId =
+    typeof chainIdRaw === 'number'
+      ? chainIdRaw
+      : typeof chainIdRaw === 'string'
+        ? Number(chainIdRaw)
+        : null;
+
+  if (chainId && isSupportedChain(chainId)) {
+    return chainId;
+  }
+
+  return SUPPORTED_CHAINS.BASE;
+}
+
+function isHexHash(value: string): value is Hex {
+  return /^0x[a-fA-F0-9]{64}$/.test(value);
+}
+
+const SAFE_EXECUTION_SUCCESS_EVENT = parseAbiItem(
+  'event ExecutionSuccess(bytes32 txHash,uint256 payment)',
+);
+
+const SAFE_EXECUTION_FAILURE_EVENT = parseAbiItem(
+  'event ExecutionFailure(bytes32 txHash,uint256 payment)',
+);
+
+const SAFE_EXECUTION_SUCCESS_SELECTOR = getEventSelector(
+  SAFE_EXECUTION_SUCCESS_EVENT,
+);
+
+const SAFE_EXECUTION_FAILURE_SELECTOR = getEventSelector(
+  SAFE_EXECUTION_FAILURE_EVENT,
+);
+
+function findSafeExecutionEvent(receipt: TransactionReceipt): {
+  status: 'success' | 'failure';
+  safeTxHash: Hex;
+  safeAddress: Address;
+} | null {
+  for (const log of receipt.logs) {
+    if (log.topics[0] === SAFE_EXECUTION_FAILURE_SELECTOR) {
+      const decoded = decodeEventLog({
+        abi: [SAFE_EXECUTION_FAILURE_EVENT],
+        data: log.data,
+        topics: log.topics,
+      });
+      if (decoded.eventName === 'ExecutionFailure') {
+        return {
+          status: 'failure',
+          safeTxHash: decoded.args.txHash as Hex,
+          safeAddress: log.address as Address,
+        };
+      }
+    }
+  }
+
+  for (const log of receipt.logs) {
+    if (log.topics[0] === SAFE_EXECUTION_SUCCESS_SELECTOR) {
+      const decoded = decodeEventLog({
+        abi: [SAFE_EXECUTION_SUCCESS_EVENT],
+        data: log.data,
+        topics: log.topics,
+      });
+      if (decoded.eventName === 'ExecutionSuccess') {
+        return {
+          status: 'success',
+          safeTxHash: decoded.args.txHash as Hex,
+          safeAddress: log.address as Address,
+        };
+      }
+    }
+  }
+
+  return null;
+}
+
+function parseArgs(argv: string[]) {
+  const args = argv.slice(2);
+  const dryRun = args.includes('--dry-run');
+
+  const get = (flag: string): string | null => {
+    const index = args.indexOf(flag);
+    if (index === -1) return null;
+    return args[index + 1] ?? null;
+  };
+
+  const limitRaw = get('--limit');
+  const limit = limitRaw ? Number(limitRaw) : 500;
+  const workspaceId = get('--workspace-id');
+
+  return {
+    dryRun,
+    limit: Number.isFinite(limit) ? limit : 500,
+    workspaceId,
+  };
+}
+
+function formatErrorMessage(error: unknown): string {
+  if (error instanceof Error) {
+    return (error as { shortMessage?: string }).shortMessage ?? error.message;
+  }
+
+  return String(error);
+}
+
+async function main() {
+  const { dryRun, limit, workspaceId } = parseArgs(process.argv);
+
+  console.log('[backfill] Starting action_proposals execution verification', {
+    dryRun,
+    limit,
+    workspaceId: workspaceId ?? null,
+  });
+
+  const conditions = [
+    eq(actionProposals.status, 'executed'),
+    isNotNull(actionProposals.txHash),
+  ];
+
+  if (workspaceId) {
+    conditions.push(eq(actionProposals.workspaceId, workspaceId));
+  }
+
+  const proposals = await db.query.actionProposals.findMany({
+    where: and(...conditions),
+    limit,
+    orderBy: (table, { desc }) => [desc(table.updatedAt)],
+  });
+
+  console.log(`[backfill] Loaded ${proposals.length} executed proposals`);
+
+  const rpcManager = getRPCManager();
+
+  let checked = 0;
+  let reclassified = 0;
+  let skipped = 0;
+
+  for (const proposal of proposals) {
+    checked += 1;
+
+    const storedHash = proposal.txHash;
+    if (!storedHash || !isHexHash(storedHash)) {
+      skipped += 1;
+      console.warn('[backfill] Skipping proposal with invalid txHash', {
+        proposalId: proposal.id,
+        txHash: storedHash,
+      });
+      continue;
+    }
+
+    const chainId = resolvePayloadChainId(proposal.payload as VaultPayload);
+    const publicClient = rpcManager.getClient(chainId);
+
+    let receipt: TransactionReceipt;
+    try {
+      receipt = await publicClient.getTransactionReceipt({
+        hash: storedHash,
+      });
+    } catch (error) {
+      skipped += 1;
+      console.warn('[backfill] Receipt not found', {
+        proposalId: proposal.id,
+        chainId,
+        txHash: storedHash,
+        error: formatErrorMessage(error),
+      });
+      continue;
+    }
+
+    if (receipt.status !== 'success') {
+      const reason = `Transaction ${storedHash} reverted on-chain.`;
+      console.warn('[backfill] Reclassifying reverted transaction', {
+        proposalId: proposal.id,
+        chainId,
+        txHash: storedHash,
+        blockNumber: receipt.blockNumber?.toString(),
+      });
+
+      if (!dryRun) {
+        const updatedMessage = proposal.proposalMessage
+          ? `${proposal.proposalMessage}\n\nExecution failed: ${reason}`
+          : reason;
+
+        await db
+          .update(actionProposals)
+          .set({
+            status: 'failed',
+            proposalMessage: updatedMessage,
+          })
+          .where(eq(actionProposals.id, proposal.id));
+      }
+
+      reclassified += 1;
+      continue;
+    }
+
+    const safeExecution = findSafeExecutionEvent(receipt);
+    if (!safeExecution) {
+      skipped += 1;
+      console.warn('[backfill] Missing Safe execution logs', {
+        proposalId: proposal.id,
+        chainId,
+        txHash: storedHash,
+      });
+      continue;
+    }
+
+    if (safeExecution.status === 'success') {
+      continue;
+    }
+
+    const reason = `Safe execution failed (ExecutionFailure). safeTxHash: ${safeExecution.safeTxHash}`;
+    console.warn('[backfill] Reclassifying safe ExecutionFailure', {
+      proposalId: proposal.id,
+      chainId,
+      txHash: storedHash,
+      safeAddress: safeExecution.safeAddress,
+      safeTxHash: safeExecution.safeTxHash,
+    });
+
+    if (!dryRun) {
+      const updatedMessage = proposal.proposalMessage
+        ? `${proposal.proposalMessage}\n\nExecution failed: ${reason}`
+        : reason;
+
+      await db
+        .update(actionProposals)
+        .set({
+          status: 'failed',
+          proposalMessage: updatedMessage,
+        })
+        .where(eq(actionProposals.id, proposal.id));
+    }
+
+    reclassified += 1;
+  }
+
+  console.log('[backfill] Completed', { checked, reclassified, skipped });
+}
+
+main()
+  .then(() => process.exit(0))
+  .catch((error) => {
+    console.error('[backfill] Failed', error);
+    process.exit(1);
+  });