diff --git a/res/css/components/views/settings/devices/_FilteredDeviceList.pcss b/res/css/components/views/settings/devices/_FilteredDeviceList.pcss
index d60c9628fb..d34270e8ad 100644
--- a/res/css/components/views/settings/devices/_FilteredDeviceList.pcss
+++ b/res/css/components/views/settings/devices/_FilteredDeviceList.pcss
@@ -45,4 +45,8 @@ limitations under the License.
 
 .mx_FilteredDeviceList_headerButton {
     flex-shrink: 0;
+    // override inline button styling
+    display: flex !important;
+    flex-direction: row;
+    gap: $spacing-8;
 }
diff --git a/res/css/views/elements/_AccessibleButton.pcss b/res/css/views/elements/_AccessibleButton.pcss
index f891e810be..dd3d0945e0 100644
--- a/res/css/views/elements/_AccessibleButton.pcss
+++ b/res/css/views/elements/_AccessibleButton.pcss
@@ -25,6 +25,8 @@ limitations under the License.
         &.mx_AccessibleButton_kind_primary_sm,
         &.mx_AccessibleButton_kind_link,
         &.mx_AccessibleButton_kind_link_inline,
+        &.mx_AccessibleButton_kind_danger_inline,
+        &.mx_AccessibleButton_kind_content_inline,
         &.mx_AccessibleButton_kind_link_sm {
             opacity: 0.4;
         }
diff --git a/src/components/views/settings/devices/FilteredDeviceList.tsx b/src/components/views/settings/devices/FilteredDeviceList.tsx
index 31ed9f2dca..9bc216a086 100644
--- a/src/components/views/settings/devices/FilteredDeviceList.tsx
+++ b/src/components/views/settings/devices/FilteredDeviceList.tsx
@@ -37,6 +37,7 @@ import {
 } from './types';
 import { DevicesState } from './useOwnDevices';
 import FilteredDeviceListHeader from './FilteredDeviceListHeader';
+import Spinner from '../../elements/Spinner';
 
 interface Props {
     devices: DevicesDictionary;
@@ -183,6 +184,7 @@ const DeviceListItem: React.FC<{
         onClick={onDeviceExpandToggle}
         device={device}
     >
+        { isSigningOut && <Spinner w={16} h={16} /> }
         <DeviceExpandDetailsButton
             isExpanded={isExpanded}
             onClick={onDeviceExpandToggle}
@@ -276,6 +278,8 @@ export const FilteredDeviceList =
             }
         };
 
+        const isSigningOut = !!signingOutDeviceIds.length;
+
         return <div className='mx_FilteredDeviceList' ref={ref}>
             <FilteredDeviceListHeader
                 selectedDeviceCount={selectedDeviceIds.length}
@@ -287,14 +291,17 @@ export const FilteredDeviceList =
                         <AccessibleButton
                             data-testid='sign-out-selection-cta'
                             kind='danger_inline'
+                            disabled={isSigningOut}
                             onClick={() => onSignOutDevices(selectedDeviceIds)}
                             className='mx_FilteredDeviceList_headerButton'
                         >
+                            { isSigningOut && <Spinner w={16} h={16} /> }
                             { _t('Sign out') }
                         </AccessibleButton>
                         <AccessibleButton
                             data-testid='cancel-selection-cta'
                             kind='content_inline'
+                            disabled={isSigningOut}
                             onClick={() => setSelectedDeviceIds([])}
                             className='mx_FilteredDeviceList_headerButton'
                         >
diff --git a/test/components/views/settings/tabs/user/SessionManagerTab-test.tsx b/test/components/views/settings/tabs/user/SessionManagerTab-test.tsx
index ed10e64336..5bcb6cc36c 100644
--- a/test/components/views/settings/tabs/user/SessionManagerTab-test.tsx
+++ b/test/components/views/settings/tabs/user/SessionManagerTab-test.tsx
@@ -69,7 +69,7 @@ describe('<SessionManagerTab />', () => {
     };
 
     const alicesInactiveDevice = {
-        device_id: 'alices_older_mobile_device',
+        device_id: 'alices_older_inactive_mobile_device',
         last_seen_ts: Date.now() - (INACTIVE_DEVICE_AGE_MS + 1000),
     };
 
@@ -105,7 +105,7 @@ describe('<SessionManagerTab />', () => {
     const toggleDeviceDetails = (
         getByTestId: ReturnType<typeof render>['getByTestId'],
         deviceId: ExtendedDevice['device_id'],
-    ) => {
+    ): void => {
         // open device detail
         const tile = getByTestId(`device-tile-${deviceId}`);
         const toggle = tile.querySelector('[aria-label="Toggle device details"]') as Element;
@@ -115,11 +115,18 @@ describe('<SessionManagerTab />', () => {
     const toggleDeviceSelection = (
         getByTestId: ReturnType<typeof render>['getByTestId'],
         deviceId: ExtendedDevice['device_id'],
-    ) => {
+    ): void => {
         const checkbox = getByTestId(`device-tile-checkbox-${deviceId}`);
         fireEvent.click(checkbox);
     };
 
+    const getDeviceTile = (
+        getByTestId: ReturnType<typeof render>['getByTestId'],
+        deviceId: ExtendedDevice['device_id'],
+    ): HTMLElement => {
+        return getByTestId(`device-tile-${deviceId}`);
+    };
+
     const setFilter = async (
         container: HTMLElement,
         option: DeviceSecurityVariation | string,
@@ -749,6 +756,7 @@ describe('<SessionManagerTab />', () => {
             it('deletes multiple devices', async () => {
                 mockClient.getDevices.mockResolvedValue({ devices: [
                     alicesDevice, alicesMobileDevice, alicesOlderMobileDevice,
+                    alicesInactiveDevice,
                 ] });
                 mockClient.deleteMultipleDevices.mockResolvedValue({});
 
@@ -763,6 +771,24 @@ describe('<SessionManagerTab />', () => {
 
                 fireEvent.click(getByTestId('sign-out-selection-cta'));
 
+                // buttons disabled in list header
+                expect(getByTestId('sign-out-selection-cta').getAttribute('aria-disabled')).toBeTruthy();
+                expect(getByTestId('cancel-selection-cta').getAttribute('aria-disabled')).toBeTruthy();
+                // spinner rendered in list header
+                expect(getByTestId('sign-out-selection-cta').querySelector('.mx_Spinner')).toBeTruthy();
+
+                // spinners on signing out devices
+                expect(getDeviceTile(
+                    getByTestId, alicesMobileDevice.device_id,
+                ).querySelector('.mx_Spinner')).toBeTruthy();
+                expect(getDeviceTile(
+                    getByTestId, alicesOlderMobileDevice.device_id,
+                ).querySelector('.mx_Spinner')).toBeTruthy();
+                // no spinner for device that is not signing out
+                expect(getDeviceTile(
+                    getByTestId, alicesInactiveDevice.device_id,
+                ).querySelector('.mx_Spinner')).toBeFalsy();
+
                 // delete called with both ids
                 expect(mockClient.deleteMultipleDevices).toHaveBeenCalledWith(
                     [