diff --git a/third_party/blink/renderer/core/html/forms/multiple_fields_temporal_input_type_view.cc b/third_party/blink/renderer/core/html/forms/multiple_fields_temporal_input_type_view.cc
index 045dc043a265e..378225e1159c1 100644
--- a/third_party/blink/renderer/core/html/forms/multiple_fields_temporal_input_type_view.cc
+++ b/third_party/blink/renderer/core/html/forms/multiple_fields_temporal_input_type_view.cc
@@ -487,8 +487,15 @@ void MultipleFieldsTemporalInputTypeView::ForwardEvent(Event& event) {
 
 void MultipleFieldsTemporalInputTypeView::DisabledAttributeChanged() {
   EventQueueScope scope;
-  if (SpinButtonElement* spin_button = GetSpinButtonElement())
-    spin_button->ReleaseCapture();
+  if (SpinButtonElement* spin_button = GetSpinButtonElement()) {
+    // This may run inside Node::moveBefore() via
+    // HTMLFieldSetElement::ChildrenChanged(); skip dispatching the change event
+    // in that case so that author script does not run during the atomic move.
+    spin_button->ReleaseCapture(
+        GetElement().GetDocument().StatePreservingAtomicMoveInProgress()
+            ? SpinButtonElement::kEventDispatchDisallowed
+            : SpinButtonElement::kEventDispatchAllowed);
+  }
   if (DateTimeEditElement* edit = GetDateTimeEditElement())
     edit->DisabledStateChanged();
 }
@@ -542,8 +549,12 @@ void MultipleFieldsTemporalInputTypeView::MinOrMaxAttributeChanged() {
 
 void MultipleFieldsTemporalInputTypeView::ReadonlyAttributeChanged() {
   EventQueueScope scope;
-  if (SpinButtonElement* spin_button = GetSpinButtonElement())
-    spin_button->ReleaseCapture();
+  if (SpinButtonElement* spin_button = GetSpinButtonElement()) {
+    spin_button->ReleaseCapture(
+        GetElement().GetDocument().StatePreservingAtomicMoveInProgress()
+            ? SpinButtonElement::kEventDispatchDisallowed
+            : SpinButtonElement::kEventDispatchAllowed);
+  }
   if (DateTimeEditElement* edit = GetDateTimeEditElement())
     edit->ReadOnlyStateChanged();
 }
diff --git a/third_party/blink/renderer/core/html/forms/text_field_input_type.cc b/third_party/blink/renderer/core/html/forms/text_field_input_type.cc
index c7eebf2e73161..bc561678d64bd 100644
--- a/third_party/blink/renderer/core/html/forms/text_field_input_type.cc
+++ b/third_party/blink/renderer/core/html/forms/text_field_input_type.cc
@@ -572,8 +572,15 @@ void TextFieldInputType::ValueAttributeChanged() {
 }
 
 void TextFieldInputType::DisabledOrReadonlyAttributeChanged() {
-  if (SpinButtonElement* spin_button = GetSpinButtonElement())
-    spin_button->ReleaseCapture();
+  if (SpinButtonElement* spin_button = GetSpinButtonElement()) {
+    // This may run inside Node::moveBefore() via
+    // HTMLFieldSetElement::ChildrenChanged(); skip dispatching the change event
+    // in that case so that author script does not run during the atomic move.
+    spin_button->ReleaseCapture(
+        GetElement().GetDocument().StatePreservingAtomicMoveInProgress()
+            ? SpinButtonElement::kEventDispatchDisallowed
+            : SpinButtonElement::kEventDispatchAllowed);
+  }
   UpdateWheelEventRegistration(/*is_detaching=*/false);
 }
 
diff --git a/third_party/blink/web_tests/external/wpt/dom/nodes/moveBefore/fieldset-child-number-input-change-event.html b/third_party/blink/web_tests/external/wpt/dom/nodes/moveBefore/fieldset-child-number-input-change-event.html
new file mode 100644
index 0000000000000..44cb681cb0dcf
--- /dev/null
+++ b/third_party/blink/web_tests/external/wpt/dom/nodes/moveBefore/fieldset-child-number-input-change-event.html
@@ -0,0 +1,43 @@
+<!DOCTYPE html>
+<title>moveBefore should not fire change on a number input whose spin button has capture in a disabled fieldset</title>
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="/resources/testdriver.js"></script>
+<script src="/resources/testdriver-vendor.js"></script>
+<script src="/resources/testdriver-actions.js"></script>
+<body>
+<fieldset disabled id="fs">
+  <legend id="L1">
+    <input type="number" id="victim" value="5">
+  </legend>
+  <legend id="L2"></legend>
+</fieldset>
+<script>
+promise_test(async t => {
+  // Press (and hold) the spin button so the input has the value stepped and
+  // pointer capture set. The spin button sits at the inline-end of the input.
+  const x = victim.offsetLeft + victim.offsetWidth - 6;
+  const y = victim.offsetTop + victim.offsetHeight / 4;
+  await new test_driver.Actions()
+      .pointerMove(x, y)
+      .pointerDown()
+      .send();
+  t.add_cleanup(() => new test_driver.Actions().pointerUp().send());
+
+  assert_equals(victim.value, "6",
+      "spin button step-up runs on pointerdown");
+
+  let changeDuringMove = false;
+  victim.addEventListener("change", () => { changeDuringMove = true; });
+
+  // Reorder the legends so the input is no longer in the first legend and
+  // becomes disabled while the atomic move is in progress.
+  fs.moveBefore(L1, null);
+  assert_true(victim.matches(":disabled"),
+      "input becomes disabled once its legend is no longer first");
+  assert_false(changeDuringMove,
+      "'change' is not fired on <input type=number> during moveBefore()");
+}, "The 'change' event is not fired on an <input type=number> child of " +
+   "HTMLFieldSetElement during moveBefore() when releasing spin button capture");
+</script>
+</body>