diff --git a/CHANGELOG.md b/CHANGELOG.md
index 168a88dd049..a9dcb72b421 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -446,9 +446,9 @@ Released with 1.0.0-beta.37 code base.
 - lerna from 3.22.1 to 4.0.0 (#4231)
 - Dropped build tests in CI for Node v8 and v10, and added support for Node v14
 - Change default value for `maxPriorityFeePerGas` from `1 Gwei` to `2.5 Gwei` (#4284)
+- Introduced new configuration "blockHeaderTimeout" for waiting of block headers for transaction receipt  (#3891)
 - Fixed bug in signTransaction (#4295)
 - Format `block.baseFeePerGas` to number (#4330)
-- Introduced new configuration "blockHeaderTimeout" for waiting of block headers for transaction receipt  (#3891)
 
 ## [Unreleased]
 
@@ -463,3 +463,4 @@ Released with 1.0.0-beta.37 code base.
 ### Changed
 
 - Not considering `tx.chainId` if `tx.common.customChain.chainId` is provided for `web3.eth.accounts.signTransaction` function (#4293)
+- Added missing PromiEvent handler types (#4194) 
diff --git a/packages/web3-core/types/index.d.ts b/packages/web3-core/types/index.d.ts
index adc7692213f..9845e3e61c5 100644
--- a/packages/web3-core/types/index.d.ts
+++ b/packages/web3-core/types/index.d.ts
@@ -87,8 +87,18 @@ export interface PromiEvent<T> extends Promise<T> {
     once(type: 'error', handler: (error: Error) => void): PromiEvent<T>;
 
     once(
-        type: 'error' | 'confirmation' | 'receipt' | 'transactionHash',
-        handler: (error: Error | TransactionReceipt | string) => void
+        type: 'error' | 'confirmation' | 'receipt' | 'transactionHash' | 'sent' | 'sending',
+        handler: (error: Error | TransactionReceipt | string | object) => void
+    ): PromiEvent<T>;
+
+    on(
+        type: 'sending',
+        handler: (payload: object) => void
+    ): PromiEvent<T>;
+
+    on(
+        type: 'sent',
+        handler: (payload: object) => void
     ): PromiEvent<T>;
 
     on(
@@ -109,8 +119,8 @@ export interface PromiEvent<T> extends Promise<T> {
     on(type: 'error', handler: (error: Error) => void): PromiEvent<T>;
 
     on(
-        type: 'error' | 'confirmation' | 'receipt' | 'transactionHash',
-        handler: (error: Error | TransactionReceipt | string) => void
+        type: 'error' | 'confirmation' | 'receipt' | 'transactionHash' | 'sent' | 'sending',
+        handler: (error: Error | TransactionReceipt | string | object) => void
     ): PromiEvent<T>;
 }