diff --git a/app/Http/Controllers/Admin/Inventory/RawMaterialStockController.php b/app/Http/Controllers/Admin/Inventory/RawMaterialStockController.php
index 492bfbb..6d9ab50 100644
--- a/app/Http/Controllers/Admin/Inventory/RawMaterialStockController.php
+++ b/app/Http/Controllers/Admin/Inventory/RawMaterialStockController.php
@@ -111,7 +111,11 @@ class RawMaterialStockController extends Controller
         $minAlert = $ingredient->min_stock_alert !== null ? (float) $ingredient->min_stock_alert : null;
         $leadDays = $ingredient->delivery_time_days !== null ? (int) $ingredient->delivery_time_days : null;
 
-        $lastPriceBySupplier = $this->stockEntryRepository->lastNetPricePerSupplier($ingredient->id);
+        // Prüfung 08.09.2026 F-11: Einkaufspreise nur für Admins (wie Einkauf/Wareneingang),
+        // Copyreader (Versand/Produktion) sehen die Rohstoffseite ohne Preise.
+        $lastPriceBySupplier = auth()->user()->isAdmin()
+            ? $this->stockEntryRepository->lastNetPricePerSupplier($ingredient->id)
+            : [];
 
         $productStock = $this->productStockService->currentStockByProduct($ingredient->products->pluck('id')->all());
 
diff --git a/resources/views/admin/inventory/raw-material-stock/show.blade.php b/resources/views/admin/inventory/raw-material-stock/show.blade.php
index e62b92a..85cfe2d 100644
--- a/resources/views/admin/inventory/raw-material-stock/show.blade.php
+++ b/resources/views/admin/inventory/raw-material-stock/show.blade.php
@@ -129,7 +129,9 @@
                         <tr>
                             <th>{{ __('Lieferant') }}</th>
                             <th>{{ __('Lieferzeit') }}</th>
-                            <th class="text-right">{{ __('Letzter Einkauf (Netto/kg)') }}</th>
+                            @if(Auth::user()->isAdmin())
+                                <th class="text-right">{{ __('Letzter Einkauf (Netto/kg)') }}</th>
+                            @endif
                             <th class="text-right" style="width: 11rem;"></th>
                         </tr>
                     </thead>
@@ -153,13 +155,15 @@
                                     @endif
                                 </td>
                                 <td>{{ $deliveryTime ?: '—' }}</td>
-                                <td class="text-right">
-                                    @if($lastPrice !== null)
-                                        {{ \App\Services\Util::formatNumber($lastPrice, 2) }} €
-                                    @else
-                                        <span class="text-muted">—</span>
-                                    @endif
-                                </td>
+                                @if(Auth::user()->isAdmin())
+                                    <td class="text-right">
+                                        @if($lastPrice !== null)
+                                            {{ \App\Services\Util::formatNumber($lastPrice, 2) }} €
+                                        @else
+                                            <span class="text-muted">—</span>
+                                        @endif
+                                    </td>
+                                @endif
                                 <td class="text-right">
                                     @if($orderUrl)
                                         <a href="{{ $orderUrl }}" target="_blank" rel="noopener" class="btn btn-sm btn-outline-secondary">{{ __('Zum Shop') }}</a>
diff --git a/tests/Feature/RawMaterialStockTest.php b/tests/Feature/RawMaterialStockTest.php
index ffcb097..c798f62 100644
--- a/tests/Feature/RawMaterialStockTest.php
+++ b/tests/Feature/RawMaterialStockTest.php
@@ -463,3 +463,35 @@ test('AP-37: enthalten-in listet ein produkt trotz doppelter rezeptzeilen nur ei
 
     expect(substr_count($html, 'AP37-Zaubercreme-Unikat'))->toBe(1);
 });
+
+function f11Setup(): array
+{
+    $admin = ap10MakeUser(7);
+    $location = Location::factory()->create();
+    $supplier = Supplier::factory()->create(['name' => 'F11-Lieferant']);
+    $ing = ap10MakeIngredient('F11-Preis');
+    $ing->suppliers()->attach($supplier->id, ['preferred' => true]);
+    ap10MakeStock($ing, $location, $supplier, $admin, ['price_per_kg' => 123.45]);
+
+    return [$admin, $ing];
+}
+
+test('F-11: copyreader sehen auf der rohstoff-detailseite keine einkaufspreise', function () {
+    [, $ing] = f11Setup();
+
+    $this->actingAs(ap10MakeUser(1), 'user')
+        ->get(route('admin.inventory.raw-material-stock.show', $ing))
+        ->assertSuccessful()
+        ->assertSee('F11-Lieferant')
+        ->assertDontSee('123,45')
+        ->assertDontSee('Letzter Einkauf');
+});
+
+test('F-11: admins sehen den letzten einkaufspreis weiterhin', function () {
+    [$admin, $ing] = f11Setup();
+
+    $this->actingAs($admin, 'user')
+        ->get(route('admin.inventory.raw-material-stock.show', $ing))
+        ->assertSuccessful()
+        ->assertSee('123,45');
+});