secwatch / observer
RSRV RESERVE PETROLEUM CO
CIK 0000083350 6 ready 8-Ks latest May 20, 2026, 10:58 AM ET RSS · JSON
Activity: NORMAL 0 filings / 30d vs 0 baseline
Ready 8-Ks 6
Latest filing May 20, 2026, 10:58 AM ET
Top materiality 0.70
Event mix dividend ×5 · other_material ×1
Sentiment 6 pos · 0 neg · 0 neu

Recent 8-K filings for RSRV

Materiality & sentiment trend

Max materiality 0.70 · Median 0.65 · Most common event dividend

6 positive 0 negative 0 neutral

source · RSRV on sec.gov