Cook Pasta: Bring a large pot of salted water to a boil. Add pasta and cook until al dente, about 8-10 minutes. Drain and rinse under cold water.

Prepare Vegetables: In a mixing bowl, combine halved cherry tomatoes, diced cucumber, diced bell pepper, finely chopped red onion, and chopped spinach.

Make Dressing: In another bowl, whisk together mayonnaise, Greek yogurt, lemon juice, and apple cider vinegar. Add fresh herbs, salt, and pepper.

Combine Ingredients: Add cooled pasta to the vegetables, pour dressing over, and toss to combine.

Taste and Adjust: Sample and adjust seasoning if necessary.

Chill (if desired): Cover and refrigerate for at least 30 minutes.

Serve: Toss to redistribute ingredients before serving, garnishing with extra herbs if desired.