diff --git a/migrations_lockfile.txt b/migrations_lockfile.txt
index e337db045d2889..fa47e549684dab 100644
--- a/migrations_lockfile.txt
+++ b/migrations_lockfile.txt
@@ -31,7 +31,7 @@ releases: 0004_cleanup_failed_safe_deletes
 
 replays: 0006_add_bulk_delete_job
 
-sentry: 1013_add_repositorysettings_table
+sentry: 1014_transactions_to_spans_widgets_self_hosted
 
 social_auth: 0003_social_auth_json_field
 
diff --git a/src/sentry/migrations/1014_transactions_to_spans_widgets_self_hosted.py b/src/sentry/migrations/1014_transactions_to_spans_widgets_self_hosted.py
new file mode 100644
index 00000000000000..09e11b51e07546
--- /dev/null
+++ b/src/sentry/migrations/1014_transactions_to_spans_widgets_self_hosted.py
@@ -0,0 +1,216 @@
+# Generated by Django 5.2.8 on 2025-12-04 15:11
+
+
+from enum import Enum
+
+import sentry_sdk
+from django.db import migrations
+from django.db.backends.base.schema import BaseDatabaseSchemaEditor
+from django.db.migrations.state import StateApps
+from django.db.models import Q
+
+from sentry.explore.translation.dashboards_translation import (
+    restore_transaction_widget,
+    translate_dashboard_widget,
+)
+from sentry.models.dashboard_widget import DashboardWidget
+from sentry.new_migrations.migrations import CheckedMigration
+from sentry.utils.query import RangeQuerySetWrapperWithProgressBar
+
+
+class TypesClass:
+    TYPES: list[tuple[int, str]]
+
+    @classmethod
+    def as_choices(cls) -> list[tuple[int, str]]:
+        return [(k, str(v)) for k, v in cls.TYPES]
+
+    @classmethod
+    def as_text_choices(cls) -> list[tuple[str, str]]:
+        return [(str(v), str(v)) for _, v in cls.TYPES]
+
+    @classmethod
+    def get_type_name(cls: type["TypesClass"], num: int) -> str | None:
+        for id, name in cls.TYPES:
+            if id == num:
+                return name
+        return None
+
+    @classmethod
+    def get_id_for_type_name(cls: type["TypesClass"], type_name: str) -> int | None:
+        for id, name in cls.TYPES:
+            if type_name == name:
+                return id
+        return None
+
+
+class DashboardWidgetTypes(TypesClass):
+    DISCOVER = 0
+    """
+    Old way of accessing error events and transaction events simultaneously @deprecated. Use ERROR_EVENTS or TRANSACTION_LIKE instead.
+    """
+    ISSUE = 1
+    RELEASE_HEALTH = 2
+    METRICS = 3
+    ERROR_EVENTS = 100
+    """
+     Error side of the split from Discover.
+    """
+    TRANSACTION_LIKE = 101
+    """
+    This targets transaction-like data from the split from discover. Itt may either use 'Transactions' events or 'PerformanceMetrics' depending on on-demand, MEP metrics, etc.
+    """
+    SPANS = 102
+    """
+    These represent the logs trace item type on the EAP dataset.
+    """
+    LOGS = 103
+    """
+    These represent the tracemetrics item type on the EAP dataset.
+    """
+    TRACEMETRICS = 104
+
+    TYPES = [
+        (DISCOVER, "discover"),
+        (ISSUE, "issue"),
+        (
+            RELEASE_HEALTH,
+            "metrics",
+        ),
+        (ERROR_EVENTS, "error-events"),
+        (TRANSACTION_LIKE, "transaction-like"),
+        (SPANS, "spans"),
+        (LOGS, "logs"),
+        (TRACEMETRICS, "tracemetrics"),
+    ]
+    TYPE_NAMES = [t[1] for t in TYPES]
+
+
+class DatasetSourcesTypes(Enum):
+    """
+    Ambiguous queries that haven't been or couldn't be categorized into a
+    specific dataset.
+    """
+
+    UNKNOWN = 0
+    """
+     Dataset inferred by either running the query or using heuristics.
+    """
+    INFERRED = 1
+    """
+     Canonical dataset, user explicitly selected it.
+    """
+    USER = 2
+    """
+     Was an ambiguous dataset forced to split (i.e. we picked a default)
+    """
+    FORCED = 3
+    """
+     Dataset inferred by split script, version 1
+    """
+    SPLIT_VERSION_1 = 4
+    """
+     Dataset inferred by split script, version 2
+    """
+    SPLIT_VERSION_2 = 5
+    """
+     Dataset modified by transaction -> span migration
+    """
+    SPAN_MIGRATION_VERSION_1 = 6
+    """
+     Dataset modified by using the widget snapshot to restore the original transaction query
+    """
+    RESTORED_SPAN_MIGRATION_VERSION_1 = 7
+    """
+     Dataset modified by the transaction -> span migration version 2
+    """
+    SPAN_MIGRATION_VERSION_2 = 8
+    """
+    Dataset modified by the transaction -> span migration version 3
+    """
+    SPAN_MIGRATION_VERSION_3 = 9
+    """
+    Dataset modified by the transaction -> span migration version 4 (fixing boolean bug)
+    """
+    SPAN_MIGRATION_VERSION_4 = 10
+    """
+    Dataset modified by the transaction -> span migration version 5 (fixing boolean bug again)
+    """
+    SPAN_MIGRATION_VERSION_5 = 11
+
+    @classmethod
+    def as_choices(cls) -> tuple[tuple[int, str], ...]:
+        return tuple((source.value, source.name.lower()) for source in cls)
+
+    @classmethod
+    def as_text_choices(cls) -> tuple[tuple[str, int], ...]:
+        return tuple((source.name.lower(), source.value) for source in cls)
+
+
+def migrate_transactions_to_spans_widgets_self_hosted(
+    apps: StateApps, schema_editor: BaseDatabaseSchemaEditor
+) -> None:
+
+    qs = DashboardWidget.objects.filter(
+        Q(widget_type=DashboardWidgetTypes.TRANSACTION_LIKE)
+        | Q(
+            widget_type=DashboardWidgetTypes.DISCOVER,
+            discover_widget_split=DashboardWidgetTypes.TRANSACTION_LIKE,
+        )
+    )
+
+    for widget in RangeQuerySetWrapperWithProgressBar(qs):
+        try:
+            translate_dashboard_widget(widget)
+        except Exception as e:
+            sentry_sdk.capture_exception(e)
+
+
+def reverse_migrate_transactions_to_spans_widgets_self_hosted(
+    apps: StateApps, schema_editor: BaseDatabaseSchemaEditor
+) -> None:
+
+    qs = DashboardWidget.objects.filter(
+        widget_type=DashboardWidgetTypes.SPANS,
+        dataset_source__in=[
+            DatasetSourcesTypes.SPAN_MIGRATION_VERSION_1.value,
+            DatasetSourcesTypes.SPAN_MIGRATION_VERSION_2.value,
+            DatasetSourcesTypes.SPAN_MIGRATION_VERSION_3.value,
+            DatasetSourcesTypes.SPAN_MIGRATION_VERSION_4.value,
+            DatasetSourcesTypes.SPAN_MIGRATION_VERSION_5.value,
+        ],
+    )
+
+    for widget in RangeQuerySetWrapperWithProgressBar(qs):
+        try:
+            restore_transaction_widget(widget)
+        except Exception as e:
+            sentry_sdk.capture_exception(e)
+
+
+class Migration(CheckedMigration):
+    # This flag is used to mark that a migration shouldn't be automatically run in production.
+    # This should only be used for operations where it's safe to run the migration after your
+    # code has deployed. So this should not be used for most operations that alter the schema
+    # of a table.
+    # Here are some things that make sense to mark as post deployment:
+    # - Large data migrations. Typically we want these to be run manually so that they can be
+    #   monitored and not block the deploy for a long period of time while they run.
+    # - Adding indexes to large tables. Since this can take a long time, we'd generally prefer to
+    #   run this outside deployments so that we don't block them. Note that while adding an index
+    #   is a schema change, it's completely safe to run the operation after the code has deployed.
+    # Once deployed, run these manually via: https://develop.sentry.dev/database-migrations/#migration-deployment
+
+    is_post_deployment = True
+
+    dependencies = [
+        ("sentry", "1013_add_repositorysettings_table"),
+    ]
+
+    operations = [
+        migrations.RunPython(
+            migrate_transactions_to_spans_widgets_self_hosted,
+            reverse_code=reverse_migrate_transactions_to_spans_widgets_self_hosted,
+            hints={"tables": ["sentry_dashboardwidget"]},
+        )
+    ]
diff --git a/tests/sentry/migrations/test_1014_transactions_to_spans_widgets_self_hosted.py b/tests/sentry/migrations/test_1014_transactions_to_spans_widgets_self_hosted.py
new file mode 100644
index 00000000000000..2d215a8c261091
--- /dev/null
+++ b/tests/sentry/migrations/test_1014_transactions_to_spans_widgets_self_hosted.py
@@ -0,0 +1,147 @@
+from sentry.hybridcloud.models.outbox import outbox_context
+from sentry.models.dashboard import Dashboard
+from sentry.models.dashboard_widget import DashboardWidget, DashboardWidgetQuery
+from sentry.models.organization import Organization
+from sentry.testutils.cases import SnubaTestCase, TestMigrations
+
+
+class MigrateDiscoverQueriesToExploreQueriesSelfHostedTest(TestMigrations, SnubaTestCase):
+    migrate_from = "1013_add_repositorysettings_table"
+    migrate_to = "1014_transactions_to_spans_widgets_self_hosted"
+
+    def setup_before_migration(self, apps):
+
+        with outbox_context(flush=False):
+            self.org = Organization.objects.create(name="test", slug="test")
+            self.dashboard = Dashboard.objects.create(
+                organization_id=self.org.id, title="test dashboard"
+            )
+
+            self.transaction_widget = DashboardWidget.objects.create(
+                dashboard_id=self.dashboard.id, widget_type=101, display_type=4
+            )  # TRANSACTION_LIKE and TABLE
+            self.transaction_widget_query = DashboardWidgetQuery.objects.create(
+                order=0,
+                widget_id=self.transaction_widget.id,
+                name="Test Query",
+                fields=["title", "count()", "count_unique(user)"],
+                columns=["title"],
+                aggregates=["count()", "count_unique(user)"],
+                conditions="transaction:foo",
+                field_aliases=["Title", "Count", "Unique Users"],
+                orderby="count()",
+            )
+
+            self.transaction_widget_2 = DashboardWidget.objects.create(
+                dashboard_id=self.dashboard.id, widget_type=101, display_type=0
+            )  # TRANSACTION_LIKE and LINE CHART
+            self.transaction_widget_query_2 = DashboardWidgetQuery.objects.create(
+                order=0,
+                widget_id=self.transaction_widget_2.id,
+                name="Test Query 2",
+                fields=["apdex(300)"],
+                columns=[],
+                aggregates=["apdex(300)"],
+                conditions="transaction:foo",
+                field_aliases=[],
+            )
+
+            self.discover_split_transaction_widget = DashboardWidget.objects.create(
+                dashboard_id=self.dashboard.id,
+                widget_type=0,
+                display_type=0,
+                discover_widget_split=101,
+            )  # DISCOVER and TRANSACTION_LIKE and LINE CHART
+            self.discover_split_transaction_widget_query = DashboardWidgetQuery.objects.create(
+                order=0,
+                widget_id=self.discover_split_transaction_widget.id,
+                name="Test Query 3",
+                fields=["transaction", "sum(transaction.duration)"],
+                columns=["transaction"],
+                aggregates=["sum(transaction.duration)"],
+                conditions="",
+                field_aliases=[],
+            )
+
+            self.error_widget = DashboardWidget.objects.create(
+                dashboard_id=self.dashboard.id, widget_type=100, display_type=4
+            )  # ERROR_EVENTS and TABLE
+            self.error_widget_query = DashboardWidgetQuery.objects.create(
+                order=0,
+                widget_id=self.error_widget.id,
+                name="Test Query 4",
+                fields=["title", "count()"],
+                columns=["title"],
+                aggregates=["count()"],
+                conditions="transaction:foo",
+                field_aliases=["Title", "Count"],
+                orderby="count()",
+            )
+
+            self.spans_widget = DashboardWidget.objects.create(
+                dashboard_id=self.dashboard.id, widget_type=102, display_type=4
+            )  # SPANS and TABLE
+            self.spans_widget_query = DashboardWidgetQuery.objects.create(
+                order=0,
+                widget_id=self.spans_widget.id,
+                name="Test Query 5",
+                fields=["transaction", "count(span.duration)"],
+                columns=["transaction"],
+                aggregates=["count(span.duration)"],
+                conditions="",
+                field_aliases=[],
+            )
+
+    def test(self):
+        self.transaction_widget.refresh_from_db()
+        transaction_widget_query = DashboardWidgetQuery.objects.get(
+            widget_id=self.transaction_widget.id
+        )
+        self.transaction_widget_2.refresh_from_db()
+        transaction_widget_query_2 = DashboardWidgetQuery.objects.get(
+            widget_id=self.transaction_widget_2.id
+        )
+        self.discover_split_transaction_widget.refresh_from_db()
+        discover_split_transaction_widget_query = DashboardWidgetQuery.objects.get(
+            widget_id=self.discover_split_transaction_widget.id
+        )
+        self.error_widget.refresh_from_db()
+        error_widget_query = DashboardWidgetQuery.objects.get(widget_id=self.error_widget.id)
+        self.spans_widget.refresh_from_db()
+        spans_widget_query = DashboardWidgetQuery.objects.get(widget_id=self.spans_widget.id)
+
+        # all tranasaction widgets should be spans widgets and have snapshots
+        assert self.transaction_widget.widget_type == 102
+        assert self.transaction_widget.widget_snapshot is not None
+        assert self.transaction_widget_2.widget_type == 102
+        assert self.transaction_widget_2.widget_snapshot is not None
+        assert self.discover_split_transaction_widget.widget_type == 102
+        assert self.discover_split_transaction_widget.widget_snapshot is not None
+
+        # all other widgets should not be changed
+        assert self.error_widget.widget_type == 100
+        assert self.error_widget.widget_snapshot is None
+        assert error_widget_query.id == self.error_widget_query.id
+        assert self.spans_widget.widget_type == 102
+        assert self.spans_widget.widget_snapshot is None
+        assert spans_widget_query.id == self.spans_widget_query.id
+
+        # all transaction widget queries should be translated appropriately
+        assert transaction_widget_query.fields == [
+            "transaction",
+            "count(span.duration)",
+            "count_unique(user)",
+        ]
+        assert transaction_widget_query.conditions == "(transaction:foo) AND is_transaction:1"
+        assert transaction_widget_query.orderby == "count(span.duration)"
+
+        assert transaction_widget_query_2.fields == ["equation|apdex(span.duration,300)"]
+        assert transaction_widget_query_2.conditions == "(transaction:foo) AND is_transaction:1"
+        assert transaction_widget_query_2.orderby == ""
+
+        assert discover_split_transaction_widget_query.fields == [
+            "transaction",
+            "sum(span.duration)",
+        ]
+        assert discover_split_transaction_widget_query.conditions == "is_transaction:1"
+        assert discover_split_transaction_widget_query.orderby == ""