event_id,sku,delta,occurred_at
S01,CABLE,12,2026-06-02T08:00:00Z
S01,CABLE,12,2026-06-02T08:00:00Z
S02,CABLE,-1,2026-06-02T08:01:00Z
S03,USB-C,-2,2026-06-02T08:02:00Z
S04,HUB,7,2026-06-02T08:03:00Z
S05,HUB,-1,2026-06-02T08:04:00Z
S06,HUB,-1,2026-06-02T08:05:00Z
S07,DOCK,3,2026-06-02T08:06:00Z
S08,DOCK,-1,2026-06-02T08:07:00Z
S09,DOCK,4,2026-06-02T08:08:00Z
S09,DOCK,5,2026-06-02T08:08:00Z
S10,HUB,20,2026-06-03T12:01:00Z