I found the following flights on the slot list, feel free to add more info or flights:
10 june:
Cello Aviation BAe146:
STA 2130 Lt. from AMS as 'CLJ398'.
13 june:
Cello Aviation BAe146:
STD 1300 Lt. to HRK as 'CLJ400'...arrived the 10th.
14 june:
Cello Aviation BAe146:
0700-0800 Lt., HRK-RTM-LTN, 'CLJ401/401'.
16 june:
Yes Airways A320:
0755-0840 Lt., GDN-RTM-HRK, 'YAP227/2271'.
18 june:
Enter Air B737-400:
1520-1605 Lt., HRK-RTM-POZ, 'ENT765/765'.