When using track delays over -250ms, the MIDI info is all over the place.
It’s fairly easy to reproduce:
- Create a simple track with a click sound.
- Create a midi region with some rhythm.
- Set Track Delay to something above -250ms.
- Compensate by moving the notes equal amount counter.
The behaviour can be seen in this video:
Cubase 9.5.30, MacOS 10.12.6