Align controls using mod

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;

namespace WindowsFormsApp1
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
            InitButtons();
        }

        private void InitButtons()
        {
            int lastX = textBox1.Location.X;
            Point points = textBox1.Location;

            int defaultX = textBox1.Left;

            int x = defaultX;
            int y = textBox1.Bottom + 10;

            for (int i = 1; i <= 12; i++)
            {
                // spawn an button
                Button button = SpawnButton(i.ToString(), $"button{i}");

                button.Location = new Point(x, y);
                Controls.Add(button);

                // if mod 4 go down couple pixels
                if (i % 4 == 0)
                {
                    x = defaultX;
                    y = button.Bottom + 10;
                }
                else
                {
                    x = button.Right + 10;
                }
            }
        }

        public static Button SpawnButton(string text, string name)
        {
            return new Button
            {
                Name = name,
                Text = text
            };
        }
    }
}