diff --git a/plugins/wporg-5ftf/includes/pledge-form.php b/plugins/wporg-5ftf/includes/pledge-form.php
index 95e6276..b7ac162 100755
--- a/plugins/wporg-5ftf/includes/pledge-form.php
+++ b/plugins/wporg-5ftf/includes/pledge-form.php
@@ -271,7 +271,7 @@ function process_form_remove( $pledge_id, $auth_token ) {
 		);
 	}
 
-	$result = Pledge\deactivate( $pledge_id, true );
+	$result = Pledge\deactivate( $pledge_id, true, 'Organization admin deactivated via Manage form.' );
 
 	if ( is_wp_error( $result ) ) {
 		return $result;
diff --git a/plugins/wporg-5ftf/includes/pledge-log.php b/plugins/wporg-5ftf/includes/pledge-log.php
index f7bdca7..ef50366 100644
--- a/plugins/wporg-5ftf/includes/pledge-log.php
+++ b/plugins/wporg-5ftf/includes/pledge-log.php
@@ -21,6 +21,8 @@ add_action( 'transition_post_status', __NAMESPACE__ . '\capture_transition_post_
 add_action( FiveForTheFuture\PREFIX . '_add_pledge_contributors', __NAMESPACE__ . '\capture_add_pledge_contributors', 99, 3 );
 add_action( FiveForTheFuture\PREFIX . '_remove_contributor', __NAMESPACE__ . '\capture_remove_contributor', 99, 3 );
 add_action( FiveForTheFuture\PREFIX . '_email_result', __NAMESPACE__ . '\capture_email_result', 99, 6 );
+add_action( FiveForTheFuture\PREFIX . '_deactivated_pledge', __NAMESPACE__ . '\capture_pledge_deactivation', 99, 4 );
+
 
 /**
  * Adds a meta box for the log on the custom post type.
@@ -121,7 +123,7 @@ function add_log_entry( $pledge_id, $type, $message, array $data = array(), $use
 
 	} elseif ( 'cli' === php_sapi_name() ) {
 		/*
-		 * `wp_shell`, etc can only be run from w.org sandboxes, and the hostname is the best way to identify
+		 * `wp shell`, etc can only be run from w.org sandboxes, and the hostname is the best way to identify
 		 * which sandbox was used.
 		 */
 		$entry['user_id'] = gethostname();
@@ -385,3 +387,18 @@ function capture_email_result( $to, $subject, $message, $headers, $result, $pled
 		compact( 'to', 'subject', 'message', 'headers', 'result' )
 	);
 }
+
+/**
+ * Capture the results of an attempt to send an email.
+ */
+function capture_pledge_deactivation( int $pledge_id, bool $notify, string $reason, /* mixed */ $result ) : void {
+	add_log_entry(
+		$pledge_id,
+		'deactivated_pledge',
+		sprintf(
+			'Reason for deactivation was: %s',
+			$reason ?? 'No reason given.'
+		),
+		compact( 'notify', 'result' )
+	);
+}
diff --git a/plugins/wporg-5ftf/includes/pledge.php b/plugins/wporg-5ftf/includes/pledge.php
index 38385b3..70b3061 100755
--- a/plugins/wporg-5ftf/includes/pledge.php
+++ b/plugins/wporg-5ftf/includes/pledge.php
@@ -205,7 +205,7 @@ function handle_activation_action( $post_id ) {
 	$sendback = remove_query_arg( array( 'deactivated', 'reactivated' ), $sendback );
 
 	if ( 'deactivate' === $action ) {
-		deactivate( $post_id );
+		deactivate( $post_id, false, 'Site admin deactivated via wp-admin list table.' );
 		wp_redirect( add_query_arg( 'deactivated', 1, $sendback ) );
 		exit();
 	} else {
@@ -368,10 +368,11 @@ function create_new_pledge( $name ) {
  *
  * @param int  $pledge_id The pledge to deactivate.
  * @param bool $notify    Whether the pledge admin should be notified of the deactivation.
+ * @param string $reason  The reason why the pledge is being deactivated.
  *
  * @return int|WP_Error Post ID on success. Otherwise WP_Error.
  */
-function deactivate( $pledge_id, $notify = false ) {
+function deactivate( $pledge_id, $notify = false, $reason = '' ) {
 	$pledge = get_post( $pledge_id );
 	$result = wp_update_post(
 		array(
@@ -385,6 +386,8 @@ function deactivate( $pledge_id, $notify = false ) {
 		Email\send_pledge_deactivation_email( $pledge );
 	}
 
+	do_action( FiveForTheFuture\PREFIX . '_deactivated_pledge', $pledge_id, $notify, $reason, $result );
+
 	return $result;
 }