Brand of this faucet?

I've tried to replace the broken aerator but it isn't a standard one! Hoping finding the brand will help me replace the aerator.

The basin is Koehler, if that helps, though I imagine it doesn't.

https://preview.redd.it/20cy43lp9vgf1.jpg?width=4284&format=pjpg&auto=webp&s=2e5806fa8f08a6acfcd9091389e4837a94ef9261

https://preview.redd.it/ym4buvcs9vgf1.jpg?width=4284&format=pjpg&auto=webp&s=6aa5aa0fe77672af9f8335b7dfbfd65fd3f453be

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https://preview.redd.it/67onazst9vgf1.jpg?width=4032&format=pjpg&auto=webp&s=3fd1ce2d50ffad682ce7b643c9a3d065df8cbce5