Insider at

04

Insider transactions

05
0 buys (P) 0 sells (S) Net: $0 + 9 non-open-market transactions below last 12 months, based on the transactions shown below

Price change vs current quote, split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted

No open-market trades on record; showing all filings.

DateTickerCodeSharesPriceValue Owned afterΔ ownA/Dvs now
May 24, 2017 NOG A 94,443 · · 187,308 Direct +101.70% Acquired (price as of 2026-10-05)
April 6, 2016 NOG A 30,150 · · 92,865 Direct +48.07% Acquired (price as of 2026-10-05)
Feb. 12, 2016 NOG A 250,000 · · 250,000 Direct · Acquired (price as of 2026-10-05)
Feb. 12, 2016 NOG A 16,778 · · 62,715 Direct +36.52% Acquired (price as of 2026-10-05)
April 7, 2015 NOG A 13,437 · · 45,937 Direct +41.34% Acquired (price as of 2026-10-05)
Feb. 25, 2014 NOG A 7,500 · · 32,500 Direct +30.00% Acquired (price as of 2026-10-05)
Jan. 17, 2013 NOG A 10,000 · · 25,000 Direct +66.67% Acquired (price as of 2026-10-05)
Dec. 29, 2011 NOG A 10,000 · · 15,000 Direct +200.00% Acquired (price as of 2026-10-05)
Aug. 30, 2011 NOG A 5,000 · · 5,000 Direct · Acquired (price as of 2026-10-05)

P = Open-market purchase · S = Sale · A = Grant/award · M = Option exercise · G = Gift · F = Tax withholding

Insider transactions are not a recommendation; sales are often driven by liquidity or tax reasons.

Derivative holdings (Form 4 Table II) Options, RSUs and convertible securities reported on Form 4 Table II.

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DateTickerSecurityUnderlying Exercise priceExpirationSharesA/D
Feb. 12, 2016 NOG Option to Purchase Common Stock [F2] Common Stock (250,000) $2.79 Feb. 12, 2021 250,000 Acquired

Exercise/conversion price is blank when not applicable (e.g. RSUs).

Initial ownership (Form 3) 1 holding

07

Securities held when first becoming an insider, per SEC Form 3.

DateTickerSecuritySharesOwnership
Sept. 1, 2011 NOG Common Stock 0 Direct