NATL GEN PFD

CUSIP: 636220808 Class: Preferred stock

RPG Investment Advisory, LLC's Holding History (CIK: 0001666664)

Note: Option positions (PUT/CALL) are excluded.

Q1 2018
Shares 1,303 Value ($000) $32 Avg Close — Range —
Q4 2017
Shares 1,303 Value ($000) $33 Avg Close — Range —