diff --git a/rl.routing.yml b/rl.routing.yml
index 98e6e53..401e8fa 100644
--- a/rl.routing.yml
+++ b/rl.routing.yml
@@ -1,11 +1,20 @@
 rl.reports.experiments:
   path: '/admin/reports/rl'
   defaults:
-    _controller: '\Drupal\rl\Controller\ReportsController::experimentsOverview'
+    _form: '\Drupal\rl\Form\ExperimentsOverviewForm'
     _title: 'RL: A/B Testing'
   requirements:
     _permission: 'view rl reports'
 
+rl.experiment.delete_multiple:
+  path: '/admin/reports/rl/delete/{selection}'
+  defaults:
+    _form: '\Drupal\rl\Form\ExperimentDeleteMultipleForm'
+    _title: 'Delete experiments'
+  requirements:
+    _permission: 'administer rl experiments'
+    selection: '[a-zA-Z0-9_-]+'
+
 rl.reports.experiment_detail:
   path: '/admin/reports/rl/experiment/{experiment_id}'
   defaults:
diff --git a/rl.services.yml b/rl.services.yml
index ba7d82f..5dfaac4 100644
--- a/rl.services.yml
+++ b/rl.services.yml
@@ -1,4 +1,8 @@
 services:
+  rl.experiment_deletion:
+    class: Drupal\rl\Service\ExperimentDeletion
+    arguments: ['@database']
+
   logger.channel.rl:
     parent: logger.channel_base
     arguments: ['rl']
diff --git a/src/Controller/ReportsController.php b/src/Controller/ReportsController.php
index 8c1e68a..911c283 100644
--- a/src/Controller/ReportsController.php
+++ b/src/Controller/ReportsController.php
@@ -5,11 +5,11 @@
 use Drupal\Component\Utility\Html;
 use Drupal\Core\Controller\ControllerBase;
 use Drupal\Core\Datetime\DateFormatterInterface;
-use Drupal\Core\Link;
 use Drupal\Core\Render\RendererInterface;
 use Drupal\Core\Url;
 use Symfony\Component\HttpKernel\Exception\NotFoundHttpException;
 use Drupal\rl\Decorator\ExperimentDecoratorManager;
+use Drupal\rl\Form\ExperimentsOverviewForm;
 use Drupal\rl\Registry\ExperimentRegistryInterface;
 use Drupal\rl\Service\ArmDataValidator;
 use Drupal\rl\Storage\ExperimentDataStorageInterface;
@@ -129,103 +129,7 @@ public static function create(ContainerInterface $container): static {
    *   A render array.
    */
   public function experimentsOverview() {
-    $header = [
-      $this->t('Operations'),
-      $this->t('Experiment'),
-      $this->t('Source'),
-      $this->t('Impressions'),
-      $this->t('Conversions'),
-      $this->t('Variants'),
-      $this->t('Created'),
-      $this->t('Last Activity'),
-    ];
-
-    $rows = [];
-
-    // Get all experiments with their statistics from storage.
-    $experiments = $this->experimentStorage->getExperimentsWithStats();
-
-    foreach ($experiments as $experiment) {
-      $arms_count = $experiment->arm_count;
-      $total_rewards = $experiment->total_rewards;
-
-      $operations = [];
-
-      $detail_url = Url::fromRoute('rl.reports.experiment_detail', [
-        'experiment_id' => $experiment->experiment_id,
-      ]);
-      $operations[] = Link::fromTextAndUrl($this->t('View'), $detail_url);
-
-      if ($this->currentUser()->hasPermission('administer rl experiments')) {
-        $delete_url = Url::fromRoute('rl.experiment.delete', [
-          'experiment_id' => $experiment->experiment_id,
-        ]);
-        $operations[] = Link::fromTextAndUrl($this->t('Delete'), $delete_url);
-      }
-
-      $operations_markup = implode(' | ', array_map(function ($link) {
-        return $link->toString();
-      }, $operations));
-
-      // Format last activity timestamp - use totals_updated if available,
-      // otherwise registered_at.
-      $last_activity_timestamp = $experiment->totals_updated ?: $experiment->registered_at;
-      $last_activity = $last_activity_timestamp > 0
-            ? $this->dateFormatter->format($last_activity_timestamp, 'short')
-            : $this->t('Never');
-
-      $created = $experiment->registered_at > 0
-            ? $this->dateFormatter->format($experiment->registered_at, 'short')
-            : $this->t('Never');
-
-      // Use experiment name from registry or fallback to experiment ID.
-      $experiment_name = $experiment->experiment_name ?: $experiment->experiment_id;
-
-      $rows[] = [
-        ['data' => ['#markup' => $operations_markup]],
-        $experiment_name,
-        $experiment->module,
-        $experiment->total_turns ?: 0,
-        $total_rewards,
-        $arms_count,
-        $created,
-        $last_activity,
-      ];
-    }
-
-    $build = [];
-
-    $actions = [];
-
-    if ($this->currentUser()->hasPermission('administer rl experiments')) {
-      $add_url = Url::fromRoute('rl.experiment.add');
-      $actions[] = [
-        '#type' => 'link',
-        '#title' => $this->t('Add experiment'),
-        '#url' => $add_url,
-        '#attributes' => ['class' => ['button', 'button--primary']],
-      ];
-    }
-
-    if (!empty($actions)) {
-      $build['actions'] = [
-        '#type' => 'container',
-        '#attributes' => ['class' => ['rl-actions']],
-        'links' => $actions,
-        '#suffix' => '<br><br>',
-      ];
-    }
-
-    $build['table'] = [
-      '#theme' => 'table',
-      '#header' => $header,
-      '#rows' => $rows,
-      '#empty' => $this->t('No experiments found.'),
-    ];
-
-    $build['#prefix'] = '<p>' . $this->t('<strong>Tip:</strong> Deleting an experiment resets its data. Experiments auto-recreate on next render.') . '</p>';
-
-    return $build;
+    return $this->formBuilder()->getForm(ExperimentsOverviewForm::class);
   }
 
   /**
diff --git a/src/Form/ExperimentDeleteForm.php b/src/Form/ExperimentDeleteForm.php
index 0e56c48..628c2e6 100644
--- a/src/Form/ExperimentDeleteForm.php
+++ b/src/Form/ExperimentDeleteForm.php
@@ -6,6 +6,7 @@
 use Drupal\Core\Form\FormStateInterface;
 use Drupal\Core\Database\Connection;
 use Drupal\Core\Url;
+use Drupal\rl\Service\ExperimentDeletion;
 use Symfony\Component\DependencyInjection\ContainerInterface;
 
 /**
@@ -30,7 +31,7 @@ class ExperimentDeleteForm extends ConfirmFormBase {
   /**
    * Constructs an ExperimentDeleteForm object.
    */
-  public function __construct(Connection $database) {
+  public function __construct(Connection $database, protected ExperimentDeletion $experimentDeletion) {
     $this->database = $database;
   }
 
@@ -40,7 +41,8 @@ public function __construct(Connection $database) {
   public static function create(ContainerInterface $container): static {
     // @phpstan-ignore new.static
     return new static(
-      $container->get('database')
+      $container->get('database'),
+      $container->get('rl.experiment_deletion')
     );
   }
 
@@ -99,31 +101,14 @@ public function getCancelUrl() {
    * {@inheritdoc}
    */
   public function submitForm(array &$form, FormStateInterface $form_state) {
-    $transaction = $this->database->startTransaction();
-
     try {
-      $this->database->delete('rl_arm_data')
-        ->condition('experiment_id', $this->experimentId)
-        ->execute();
-
-      $this->database->delete('rl_experiment_totals')
-        ->condition('experiment_id', $this->experimentId)
-        ->execute();
-
-      $this->database->delete('rl_arm_snapshots')
-        ->condition('experiment_id', $this->experimentId)
-        ->execute();
-
-      $this->database->delete('rl_experiment_registry')
-        ->condition('experiment_id', $this->experimentId)
-        ->execute();
+      $this->experimentDeletion->deleteMultiple([$this->experimentId]);
 
       $this->messenger()->addStatus($this->t('Experiment %id has been deleted.', [
         '%id' => $this->experimentId,
       ]));
     }
     catch (\Exception $e) {
-      $transaction->rollBack();
       $this->messenger()->addError($this->t('An error occurred while deleting the experiment.'));
       $this->getLogger('rl')->error('Error deleting experiment @id: @message', [
         '@id' => $this->experimentId,
diff --git a/src/Form/ExperimentDeleteMultipleForm.php b/src/Form/ExperimentDeleteMultipleForm.php
new file mode 100644
index 0000000..8493f02
--- /dev/null
+++ b/src/Form/ExperimentDeleteMultipleForm.php
@@ -0,0 +1,136 @@
+<?php
+
+namespace Drupal\rl\Form;
+
+use Drupal\Core\Form\ConfirmFormBase;
+use Drupal\Core\Form\FormStateInterface;
+use Drupal\Core\TempStore\PrivateTempStoreFactory;
+use Drupal\Core\Url;
+use Drupal\rl\Service\ExperimentDeletion;
+use Symfony\Component\DependencyInjection\ContainerInterface;
+use Symfony\Component\HttpFoundation\RedirectResponse;
+use Symfony\Component\HttpKernel\Exception\AccessDeniedHttpException;
+
+/**
+ * Confirms deletion of the current user's selected experiments.
+ *
+ * @see \Drupal\Core\Entity\Form\DeleteMultipleForm
+ */
+class ExperimentDeleteMultipleForm extends ConfirmFormBase {
+
+  /**
+   * The selected experiments.
+   *
+   * @var array
+   */
+  protected array $selection = [];
+
+  /**
+   * The private selection token.
+   *
+   * @var string
+   */
+  protected string $selectionToken;
+
+  /**
+   * Constructs a bulk deletion confirmation form.
+   */
+  public function __construct(
+    protected PrivateTempStoreFactory $tempStoreFactory,
+    protected ExperimentDeletion $experimentDeletion,
+  ) {}
+
+  /**
+   * {@inheritdoc}
+   */
+  public static function create(ContainerInterface $container): static {
+    // @phpstan-ignore new.static
+    return new static(
+      $container->get('tempstore.private'),
+      $container->get('rl.experiment_deletion'),
+    );
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function getFormId(): string {
+    return 'rl_experiment_delete_multiple_confirm';
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function getQuestion() {
+    return $this->formatPlural(count($this->selection), 'Are you sure you want to delete this experiment?', 'Are you sure you want to delete these @count experiments?');
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function getDescription() {
+    return $this->t('This will permanently delete the selected experiments and all their data (turns, rewards, totals, snapshots). This action cannot be undone. Experiments auto-recreate on next render.');
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function getConfirmText() {
+    return $this->t('Delete');
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function getCancelUrl(): Url {
+    return Url::fromRoute('rl.reports.experiments', [], [
+      'query' => array_intersect_key($this->getRequest()->query->all(), array_flip(['order', 'sort', 'page'])),
+    ]);
+  }
+
+  /**
+   * {@inheritdoc}
+   *
+   * @return array|\Symfony\Component\HttpFoundation\RedirectResponse
+   *   The confirmation form, or a redirect when the selection has expired.
+   */
+  public function buildForm(array $form, FormStateInterface $form_state, ?string $selection = NULL) {
+    $this->selectionToken = $selection ?? '';
+    $this->selection = $this->tempStoreFactory->get('rl_experiment_delete_multiple')->get($this->selectionToken) ?? [];
+    if (!$this->selection) {
+      return new RedirectResponse($this->getCancelUrl()->toString());
+    }
+    $items = [];
+    foreach ($this->selection as $experiment) {
+      $items[] = $this->t('@name (@id)', ['@name' => $experiment['name'], '@id' => $experiment['id']]);
+    }
+    $form['experiments'] = ['#theme' => 'item_list', '#items' => $items];
+    return parent::buildForm($form, $form_state);
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function submitForm(array &$form, FormStateInterface $form_state): void {
+    if (!$this->currentUser()->hasPermission('administer rl experiments')) {
+      throw new AccessDeniedHttpException();
+    }
+    $store = $this->tempStoreFactory->get('rl_experiment_delete_multiple');
+    // Expired or already consumed confirmations must not delete anything.
+    if ($store->get($this->selectionToken) !== $this->selection) {
+      $form_state->setRedirectUrl($this->getCancelUrl());
+      return;
+    }
+    try {
+      $count = $this->experimentDeletion->deleteMultiple(array_column($this->selection, 'id'));
+      $store->delete($this->selectionToken);
+      $this->messenger()->addStatus($this->formatPlural($count, 'Deleted @count experiment.', 'Deleted @count experiments.'));
+    }
+    catch (\Exception $e) {
+      $this->messenger()->addError($this->t('An error occurred while deleting the experiments.'));
+      $this->getLogger('rl')->error('Error deleting experiments: @message', ['@message' => $e->getMessage()]);
+    }
+    $form_state->setRedirectUrl($this->getCancelUrl());
+  }
+
+}
diff --git a/src/Form/ExperimentsOverviewForm.php b/src/Form/ExperimentsOverviewForm.php
new file mode 100644
index 0000000..ab9ca7a
--- /dev/null
+++ b/src/Form/ExperimentsOverviewForm.php
@@ -0,0 +1,227 @@
+<?php
+
+namespace Drupal\rl\Form;
+
+use Drupal\Component\Utility\Crypt;
+use Drupal\Core\Datetime\DateFormatterInterface;
+use Drupal\Core\Form\FormBase;
+use Drupal\Core\Form\FormStateInterface;
+use Drupal\Core\Pager\PagerManagerInterface;
+use Drupal\Core\TempStore\PrivateTempStoreFactory;
+use Drupal\Core\Url;
+use Drupal\Core\Utility\TableSort;
+use Drupal\rl\Storage\ExperimentDataStorageInterface;
+use Symfony\Component\DependencyInjection\ContainerInterface;
+use Symfony\Component\HttpKernel\Exception\AccessDeniedHttpException;
+
+/**
+ * Lists experiments with sortable statistics and bulk operations.
+ *
+ * @see \Drupal\comment\Form\CommentAdminOverview
+ */
+class ExperimentsOverviewForm extends FormBase {
+
+  /**
+   * Constructs the experiment overview form.
+   */
+  public function __construct(
+    protected ExperimentDataStorageInterface $experimentStorage,
+    protected DateFormatterInterface $dateFormatter,
+    protected PrivateTempStoreFactory $tempStoreFactory,
+    protected PagerManagerInterface $pagerManager,
+  ) {}
+
+  /**
+   * {@inheritdoc}
+   */
+  public static function create(ContainerInterface $container): static {
+    // @phpstan-ignore new.static
+    return new static(
+      $container->get('rl.experiment_data_storage'),
+      $container->get('date.formatter'),
+      $container->get('tempstore.private'),
+      $container->get('pager.manager'),
+    );
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function getFormId(): string {
+    return 'rl_experiments_overview';
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function buildForm(array $form, FormStateInterface $form_state): array {
+    $can_administer = $this->currentUser()->hasPermission('administer rl experiments');
+    $header = [
+      'experiment_name' => ['data' => $this->t('Experiment'), 'field' => 'experiment_name'],
+      'module' => ['data' => $this->t('Source'), 'field' => 'module', 'class' => [RESPONSIVE_PRIORITY_LOW]],
+      'total_turns' => ['data' => $this->t('Impressions'), 'field' => 'total_turns'],
+      'total_rewards' => ['data' => $this->t('Conversions'), 'field' => 'total_rewards'],
+      'arm_count' => ['data' => $this->t('Variants'), 'field' => 'arm_count', 'class' => [RESPONSIVE_PRIORITY_MEDIUM]],
+      'registered_at' => [
+        'data' => $this->t('Created'),
+        'field' => 'registered_at',
+        'sort' => 'desc',
+        'class' => [RESPONSIVE_PRIORITY_LOW],
+      ],
+      'last_activity' => [
+        'data' => $this->t('Last Activity'),
+        'field' => 'last_activity',
+        'class' => [RESPONSIVE_PRIORITY_LOW],
+      ],
+    ];
+
+    $experiments = [];
+    foreach ($this->experimentStorage->getExperimentsWithStats() as $experiment) {
+      // Sort the values users see, including names and activity fallbacks.
+      $experiment->experiment_name = $experiment->experiment_name ?: $experiment->experiment_id;
+      $experiment->last_activity = $experiment->totals_updated ?: $experiment->registered_at;
+      // IDs may contain brackets or be "0"; use safe, non-numeric form keys.
+      $experiments['experiment_' . hash('sha256', $experiment->experiment_id)] = $experiment;
+    }
+    $sort = TableSort::getContextFromRequest($header, $this->getRequest());
+    $field = $sort['sql'];
+    uasort($experiments, static function (object $a, object $b) use ($field, $sort): int {
+      $comparison = in_array($field, ['experiment_name', 'module'], TRUE)
+        ? strnatcasecmp($a->$field, $b->$field)
+        : (int) $a->$field <=> (int) $b->$field;
+      // Keep ties stable across pages and requests.
+      return ($sort['sort'] === 'desc' ? -$comparison : $comparison)
+        ?: strcmp($a->experiment_id, $b->experiment_id);
+    });
+    $pager = $this->pagerManager->createPager(count($experiments), 50);
+    $page = array_slice($experiments, $pager->getCurrentPage() * 50, 50, TRUE);
+    // Live statistics can move checked rows to another page between GET and
+    // POST. Retain submitted choices that still exist in the registry so core
+    // tableselect validation can process them. Never trust submitted labels.
+    $submitted = $form_state->getUserInput()['experiments'] ?? [];
+    if ($can_administer && $this->getRequest()->isMethod('POST') && is_array($submitted)) {
+      $page += array_intersect_key($experiments, $submitted);
+    }
+    $experiments = $page;
+
+    $form['add'] = [
+      '#type' => 'link',
+      '#title' => $this->t('Add experiment'),
+      '#url' => Url::fromRoute('rl.experiment.add'),
+      '#attributes' => ['class' => ['button', 'button--primary']],
+      '#access' => $can_administer,
+    ];
+    $form['description'] = [
+      '#markup' => '<p>' . $this->t('Deleting an experiment resets its data. Experiments auto-recreate on next render.') . '</p>',
+    ];
+    $form['selection_help'] = [
+      '#markup' => '<p>' . $this->t('Select experiments on this page to apply an action.') . '</p>',
+      '#access' => $can_administer && !empty($experiments),
+    ];
+    $form['options'] = [
+      '#type' => 'details',
+      '#title' => $this->t('Update options'),
+      '#open' => TRUE,
+      '#attributes' => ['class' => ['container-inline']],
+      '#access' => $can_administer && !empty($experiments),
+    ];
+    $form['options']['operation'] = [
+      '#type' => 'select',
+      '#title' => $this->t('Action'),
+      '#options' => ['delete' => $this->t('Delete selected experiments')],
+    ];
+    $form['options']['submit'] = [
+      '#type' => 'submit',
+      '#value' => $this->t('Apply to selected items'),
+    ];
+
+    $rows = [];
+    $form['#experiments'] = [];
+    foreach ($experiments as $key => $experiment) {
+      $id = $experiment->experiment_id;
+      $form['#experiments'][$key] = ['id' => $id, 'name' => $experiment->experiment_name];
+      $name = [
+        'view' => [
+          '#type' => 'container',
+          'link' => [
+            '#type' => 'link',
+            '#title' => $experiment->experiment_name,
+            '#url' => Url::fromRoute('rl.reports.experiment_detail', ['experiment_id' => $id]),
+          ],
+        ],
+        'operations' => [
+          '#type' => 'operations',
+          '#links' => [
+            'delete' => [
+              'title' => $this->t('Delete'),
+              'url' => Url::fromRoute('rl.experiment.delete', ['experiment_id' => $id], ['query' => $this->getDestinationArray()]),
+            ],
+          ],
+          '#access' => $can_administer,
+        ],
+      ];
+      $rows[$key] = [
+        'experiment_name' => ['data' => $name],
+        'module' => $experiment->module,
+        'total_turns' => $experiment->total_turns ?: 0,
+        'total_rewards' => $experiment->total_rewards,
+        'arm_count' => $experiment->arm_count,
+        'registered_at' => $experiment->registered_at > 0 ? $this->dateFormatter->format($experiment->registered_at, 'short') : $this->t('Never'),
+        'last_activity' => $experiment->last_activity > 0 ? $this->dateFormatter->format($experiment->last_activity, 'short') : $this->t('Never'),
+      ];
+    }
+    $form['experiments'] = [
+      '#type' => $can_administer ? 'tableselect' : 'table',
+      '#header' => $header,
+      '#empty' => $this->t('No experiments found.'),
+    ];
+    if ($can_administer) {
+      // Core tableselect uses this title for accessible checkbox labels.
+      foreach ($rows as $key => &$row) {
+        // A markup object also keeps a literal "0" from being treated as empty.
+        $row['title']['data']['#title'] = $this->t('@name', ['@name' => $form['#experiments'][$key]['name']]);
+      }
+      $form['experiments']['#options'] = $rows;
+    }
+    else {
+      $form['experiments']['#rows'] = $rows;
+    }
+    $form['pager'] = ['#type' => 'pager'];
+    $form['#cache']['max-age'] = 0;
+    return $form;
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function validateForm(array &$form, FormStateInterface $form_state): void {
+    if (!$this->currentUser()->hasPermission('administer rl experiments')) {
+      throw new AccessDeniedHttpException();
+    }
+    $selected = array_filter($form_state->getValue('experiments', []));
+    $selection = array_intersect_key($form['#experiments'], $selected);
+    if (!$selection) {
+      $form_state->setErrorByName('experiments', $this->t('Select one or more experiments.'));
+    }
+    $form_state->set('selection', array_values($selection));
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function submitForm(array &$form, FormStateInterface $form_state): void {
+    if (!$this->currentUser()->hasPermission('administer rl experiments')) {
+      throw new AccessDeniedHttpException();
+    }
+    // Separate tokens prevent another tab from replacing this selection.
+    $token = Crypt::randomBytesBase64();
+    $this->tempStoreFactory->get('rl_experiment_delete_multiple')->set($token, $form_state->get('selection'));
+    // Defer the destination until after confirmation, as in a multi-step form.
+    $form_state->setIgnoreDestination();
+    $query = array_intersect_key($this->getRequest()->query->all(), array_flip(['order', 'sort', 'page', 'destination']));
+    $form_state->setRedirect('rl.experiment.delete_multiple', ['selection' => $token], [
+      'query' => $query,
+    ]);
+  }
+
+}
diff --git a/src/Service/ExperimentDeletion.php b/src/Service/ExperimentDeletion.php
new file mode 100644
index 0000000..ad8ba84
--- /dev/null
+++ b/src/Service/ExperimentDeletion.php
@@ -0,0 +1,47 @@
+<?php
+
+namespace Drupal\rl\Service;
+
+use Drupal\Core\Database\Connection;
+
+/**
+ * Deletes experiments and their collected data atomically.
+ */
+class ExperimentDeletion {
+
+  /**
+   * Constructs the deletion service.
+   */
+  public function __construct(protected Connection $database) {}
+
+  /**
+   * Deletes the selected experiments, including all statistics and snapshots.
+   *
+   * @param string[] $experiment_ids
+   *   The experiment IDs.
+   *
+   * @return int
+   *   The number of registered experiments deleted.
+   */
+  public function deleteMultiple(array $experiment_ids): int {
+    if (!$experiment_ids) {
+      return 0;
+    }
+    $transaction = $this->database->startTransaction();
+    try {
+      foreach (['rl_arm_data', 'rl_experiment_totals', 'rl_arm_snapshots'] as $table) {
+        $this->database->delete($table)
+          ->condition('experiment_id', $experiment_ids, 'IN')
+          ->execute();
+      }
+      return (int) $this->database->delete('rl_experiment_registry')
+        ->condition('experiment_id', $experiment_ids, 'IN')
+        ->execute();
+    }
+    catch (\Exception $e) {
+      $transaction->rollBack();
+      throw $e;
+    }
+  }
+
+}