diff --git a/activerecord/CHANGELOG.md b/activerecord/CHANGELOG.md
index 7d7870fe13..02660ae4c2 100644
--- a/activerecord/CHANGELOG.md
+++ b/activerecord/CHANGELOG.md
@@ -1,3 +1,9 @@
+*   Fix regression on after_commit that didnt fire when having nested transactions.
+
+    Fixes #16425
+
+    *arthurnn*
+
 *   Do not try to write timestamps when a table has no timestamps columns.
 
     Fixes #8813.
diff --git a/activerecord/lib/active_record/connection_adapters/abstract/transaction.rb b/activerecord/lib/active_record/connection_adapters/abstract/transaction.rb
index 3fce32211d..8f06cf3a1f 100644
--- a/activerecord/lib/active_record/connection_adapters/abstract/transaction.rb
+++ b/activerecord/lib/active_record/connection_adapters/abstract/transaction.rb
@@ -111,6 +111,8 @@ module ActiveRecord
       def commit
         super
         connection.release_savepoint(savepoint_name)
+        parent = connection.transaction_manager.current_transaction
+        records.each { |r| parent.add_record(r) }
       end
 
       def full_rollback?; false; end
diff --git a/activerecord/test/cases/transaction_callbacks_test.rb b/activerecord/test/cases/transaction_callbacks_test.rb
index 3d64ecb464..a3f39804b7 100644
--- a/activerecord/test/cases/transaction_callbacks_test.rb
+++ b/activerecord/test/cases/transaction_callbacks_test.rb
@@ -129,6 +129,19 @@ class TransactionCallbacksTest < ActiveRecord::TestCase
     assert_equal [:commit_on_update], @first.history
   end
 
+  def test_only_call_after_commit_on_top_level_transactions
+    @first.after_commit_block{|r| r.history << :after_commit}
+    assert @first.history.empty?
+
+    @first.transaction do
+      @first.transaction(requires_new: true) do
+        @first.touch
+      end
+      assert @first.history.empty?
+    end
+    assert_equal [:after_commit], @first.history
+  end
+
   def test_call_after_rollback_after_transaction_rollsback
     @first.after_commit_block{|r| r.history << :after_commit}
     @first.after_rollback_block{|r| r.history << :after_rollback}