Insider at

04

Insider transactions

05
0 buys (P) 0 sells (S) Net: $0 + 8 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
March 23, 2010 NGS A 5,000 · · 5,000 Direct · Acquired (price as of 2026-10-02)
March 18, 2009 NGS A 2,500 · · 2,500 Direct · Acquired (price as of 2026-10-02)
March 18, 2008 NGS A 2,500 · · 2,500 Direct · Acquired (price as of 2026-10-02)
Dec. 31, 2007 NGS A 2,500 · · 2,500 Direct · Acquired (price as of 2026-10-02)
June 6, 2007 NGS M 2,500 · · 0 Direct -100.00% Disposed (price as of 2026-10-02)
June 6, 2007 NGS M 2,500 $13.90 $34,750 2,500 Direct · Acquired 138.6% (price as of 2026-10-02)
Dec. 29, 2006 NGS A 2,500 · · 2,500 Direct · Acquired (price as of 2026-10-02)
Dec. 29, 2006 NGS A 2,500 · · 2,500 Direct · Acquired (price as of 2026-10-02)

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.

06
DateTickerSecurityUnderlying Exercise priceExpirationSharesA/D
March 23, 2010 NGS Nonqualified Stock Option (right to buy) [F1] Common Stock (5,000) $16.74 March 22, 2020 5,000 Acquired
March 18, 2009 NGS Nonqualified Stock Option (right to buy) [F1] Common Stock (2,500) $8.00 March 18, 2019 2,500 Acquired
March 18, 2008 NGS Nonqualified Stock Option (right to buy) [F1] Common Stock (2,500) $20.48 March 18, 2018 2,500 Acquired
Dec. 31, 2007 NGS Nonqualified Stock Option (right to buy) [F1] Common Stock (2,500) $19.61 Dec. 31, 2017 2,500 Acquired
June 6, 2007 NGS Nonqualified Stock Option (right to buy) Common Stock (2,500) $13.90 Jan. 1, 2017 2,500 Disposed
Dec. 29, 2006 NGS Nonqualified Stock Option (right to buy) [F1] Common Stock (2,500) $13.90 Jan. 1, 2017 2,500 Acquired
Dec. 29, 2006 NGS Nonqualified Stock Option (right to buy) [F1] Common Stock (2,500) $13.90 Dec. 29, 2016 2,500 Acquired

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