diff --git a/Elwig/Helpers/Export/ElwigData.cs b/Elwig/Helpers/Export/ElwigData.cs
index b579220..2c0ca1b 100644
--- a/Elwig/Helpers/Export/ElwigData.cs
+++ b/Elwig/Helpers/Export/ElwigData.cs
@@ -766,7 +766,8 @@ namespace Elwig.Helpers.Export {
                 ["reason"] = h.Reason,
                 ["source"] = h.Source,
                 ["shares"] = h.Shares,
-                ["signed"] = h.MemberHasSigned,
+                ["signed_company"] = h.CompanyHasSigned,
+                ["signed_member"] = h.MemberHasSigned,
                 ["value_per_share"] = h.ValuePerShare,
                 ["currency"] = h.CurrencyCode,
                 ["deduct_year"] = h.DeductYear,
@@ -786,7 +787,8 @@ namespace Elwig.Helpers.Export {
                 Reason = json["reason"]!.AsValue().GetValue<string>(),
                 Source = json["source"]!.AsValue().GetValue<string>(),
                 Shares = json["shares"]!.AsValue().GetValue<int>(),
-                MemberHasSigned = json["signed"]?.AsValue().GetValue<bool>() ?? false,
+                CompanyHasSigned = json["signed_company"]?.AsValue().GetValue<bool>() ?? false,
+                MemberHasSigned = json["signed_member"]?.AsValue().GetValue<bool>() ?? false,
                 ValuePerShare = json["value_per_share"]?.AsValue().GetValue<decimal>(),
                 CurrencyCode = json["currency"]?.AsValue().GetValue<string>(),
                 DeductYear = json["deduct_year"]?.AsValue().GetValue<int>(),
diff --git a/Elwig/Models/Entities/MemberHistory.cs b/Elwig/Models/Entities/MemberHistory.cs
index f5a5041..2aa042c 100644
--- a/Elwig/Models/Entities/MemberHistory.cs
+++ b/Elwig/Models/Entities/MemberHistory.cs
@@ -76,7 +76,10 @@ namespace Elwig.Models.Entities {
         [Column("shares")]
         public int Shares { get; set; }
 
-        [Column("signed")]
+        [Column("signed_company")]
+        public bool CompanyHasSigned { get; set; }
+
+        [Column("signed_member")]
         public bool MemberHasSigned { get; set; }
 
         [Column("value_per_share")]
diff --git a/Elwig/Resources/Sql/41-42.sql b/Elwig/Resources/Sql/41-42.sql
index 2b296bf..d73f107 100644
--- a/Elwig/Resources/Sql/41-42.sql
+++ b/Elwig/Resources/Sql/41-42.sql
@@ -5,6 +5,9 @@ ALTER TABLE member ADD COLUMN org_auth_code    TEXT             CHECK (org_auth_
 
 ALTER TABLE wine_cultivation ADD COLUMN organic     INTEGER NOT NULL CHECK (organic IN (TRUE, FALSE)) DEFAULT FALSE;
 
+ALTER TABLE member_history RENAME COLUMN signed TO signed_member;
+ALTER TABLE member_history ADD COLUMN signed_company  INTEGER NOT NULL CHECK (signed_company IN (TRUE, FALSE)) DEFAULT FALSE;
+
 UPDATE member SET org_auth_code = UPPER(SUBSTR(a.name, -11, 10)) FROM member m JOIN member_billing_address a ON a.mgnr = m.mgnr WHERE a.name LIKE '%AT-BIO-___)';
 UPDATE member SET org_auth_code = UPPER(SUBSTR(a.name, -10, 10)) FROM member m JOIN member_billing_address a ON a.mgnr = m.mgnr WHERE a.name LIKE '%AT-BIO-___';
 UPDATE member SET org_auth_code = UPPER(suffix) WHERE suffix LIKE 'AT-BIO-___';
diff --git a/Elwig/Services/MemberBusinessSharesService.cs b/Elwig/Services/MemberBusinessSharesService.cs
index c86996c..4ec2e46 100644
--- a/Elwig/Services/MemberBusinessSharesService.cs
+++ b/Elwig/Services/MemberBusinessSharesService.cs
@@ -26,6 +26,7 @@ namespace Elwig.Services {
             vm.DateEffective = h.DateEffective;
             vm.Reason = h.Reason + (h.Reason == MemberHistory.REASON_TRANSFER ? $"_{(h.ToMgNr == mgnr ? "from" : "to")}" : "");
             vm.Shares = h.Shares;
+            vm.CompanyHasSigned = h.CompanyHasSigned;
             vm.MemberHasSigned = h.MemberHasSigned;
             vm.ValuePerShare = h.ValuePerShare;
             vm.OtherMgNr = h.FromMgNr != null && h.FromMgNr != mgnr ? h.FromMgNr : h.ToMgNr != null && h.ToMgNr != mgnr ? h.ToMgNr : null;
@@ -63,6 +64,7 @@ namespace Elwig.Services {
                     Reason = vm.Reason?.Split("_")[0] ?? MemberHistory.REASON_CONVERT,
                     Source = "manual",
                     Shares = vm.Shares ?? 0,
+                    CompanyHasSigned = vm.CompanyHasSigned,
                     MemberHasSigned = vm.MemberHasSigned,
                     ValuePerShare = vm.ValuePerShare,
                     CurrencyCode = vm.ValuePerShare != null ? "EUR" : null,
diff --git a/Elwig/ViewModels/MemberBusinessSharesViewModel.cs b/Elwig/ViewModels/MemberBusinessSharesViewModel.cs
index f4146c5..edd4b06 100644
--- a/Elwig/ViewModels/MemberBusinessSharesViewModel.cs
+++ b/Elwig/ViewModels/MemberBusinessSharesViewModel.cs
@@ -52,6 +52,8 @@ namespace Elwig.ViewModels {
         [ObservableProperty]
         private bool _deduct;
         [ObservableProperty]
+        private bool _companyHasSigned;
+        [ObservableProperty]
         private bool _memberHasSigned;
         [ObservableProperty]
         private string? _valuePerShareString;
diff --git a/Elwig/Windows/MemberBusinessSharesAdminWindow.xaml b/Elwig/Windows/MemberBusinessSharesAdminWindow.xaml
index 2c43424..b2b11b2 100644
--- a/Elwig/Windows/MemberBusinessSharesAdminWindow.xaml
+++ b/Elwig/Windows/MemberBusinessSharesAdminWindow.xaml
@@ -173,8 +173,11 @@
                              Margin="0,100,10,0" Width="78" Grid.Column="1" HorizontalAlignment="Left" TextAlignment="Right"
                              TextChanged="DateNoticeInput_TextChanged" LostFocus="DateInput_LostFocus"/>
 
+                    <CheckBox x:Name="HasCompanySignedInput" IsChecked="{Binding CompanyHasSigned, Mode=TwoWay}" Content="Von WG unterfertigt"
+	                          Margin="88,105,10,0" Grid.Column="1" HorizontalAlignment="Left" VerticalAlignment="Top"
+	                          Checked="CheckBox_Changed" Unchecked="CheckBox_Changed"/>
                     <CheckBox x:Name="HasMemberSignedInput" IsChecked="{Binding MemberHasSigned, Mode=TwoWay}" Content="Von Mg. unterfertigt"
-                              Margin="88,105,10,0" Grid.Column="1" HorizontalAlignment="Left" VerticalAlignment="TOp"
+                              Margin="88,135,10,0" Grid.Column="1" HorizontalAlignment="Left" VerticalAlignment="Top"
                               Checked="CheckBox_Changed" Unchecked="CheckBox_Changed"/>
 
                     <Label Content="Wirksam:" Margin="10,130,0,0" Grid.Column="0"/>