Charles Oliver Buckner

CIK 1263376 · View on SEC EDGAR ↗

Insider

First SEC filing: March 2, 2007 · Latest: March 2, 2007

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Insider at

Insider transactions

0 buys (P) 0 sells (S) Net: $0 + 36 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

36 other filings hidden
Date Ticker Code Shares Price Value Owned after Δ own A/D vs now
March 11, 2020 PTEN P 10,000 $2.09 $20,900 55,881 Direct +21.80% Acquired 484.7% (price as of 2026-08-20)
Jan. 3, 2020 PTEN S 10b5-1 5,918 $10.76 $63,678 45,881 Direct -11.42% Disposed 13.6% (price as of 2026-08-20)
Dec. 9, 2019 PTEN S 2,011 $9.86 $19,828 35,133 Direct -5.41% Disposed 23.9% (price as of 2026-08-20)
Dec. 20, 2013 PTEN S 10,000 $25.14 $251,400 11,000 Direct -47.62% Disposed -51.4% (price as of 2026-08-20)

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.

Date Ticker Security Underlying Exercise price Expiration Shares A/D
Jan. 1, 2019 PTEN Restricted Stock Units Common Stock, $.01 par value per share (7,605) $0.00 — 7,605 Disposed
Jan. 1, 2018 PTEN Restricted Stock Units Common Stock, $.01 par value per share (7,605) — — 7,605 Acquired
Dec. 1, 2017 PTEN Stock Option (Right to Buy) Common Stock, $.01 par value per share (10,000) $19.52 Dec. 31, 2017 10,000 Disposed
Feb. 27, 2017 PTEN Stock Option (Right to Buy) Common Stock, $.01 par value per share (10,000) $22.29 Feb. 27, 2017 10,000 Disposed
Jan. 1, 2016 PTEN Stock Option (Right to Buy) Common Stock, $.01 par value per share (10,000) $15.08 Dec. 31, 2025 10,000 Acquired
Jan. 1, 2015 PTEN Stock Option (Right to Buy) Common Stock, $.01 par value per share (10,000) $16.59 Dec. 31, 2024 10,000 Acquired
Nov. 12, 2014 PTEN Stock Option (Right to Buy) Common Stock, $.01 par value per share (10,000) $11.51 Dec. 31, 2018 10,000 Disposed
Jan. 1, 2014 PTEN Stock Option (Right to Buy) Common Stock, $.01 par value per share (10,000) $25.32 Dec. 31, 2023 10,000 Acquired
Jan. 1, 2013 PTEN Stock Option (Right to Buy) Common Stock, $.01 par value per share (10,000) $18.63 Dec. 31, 2022 10,000 Acquired
Jan. 1, 2012 PTEN Stock Option (Right to Buy) Common Stock, $.01 par value per share (10,000) $19.98 Dec. 31, 2021 10,000 Acquired
Jan. 1, 2011 PTEN Stock Option (Right to Buy) Common Stock, $.01 par value per share (10,000) $21.55 Dec. 31, 2020 10,000 Acquired
Jan. 1, 2010 PTEN Stock Option (Right to Buy) Common Stock, $.01 par value per share (10,000) $15.35 Dec. 31, 2019 10,000 Acquired
Jan. 1, 2009 PTEN Stock Option (Right to Buy) Common Stock, $.01 par value per share (10,000) $11.51 Dec. 31, 2018 10,000 Acquired
Jan. 1, 2008 PTEN Stock Option (Right to Buy) Common Stock, $.01 par value per share (10,000) $19.52 Dec. 31, 2017 10,000 Acquired
Feb. 28, 2007 PTEN Stock Option (Right to Buy) Common Stock, $.01 par value per share (10,000) $22.29 Feb. 27, 2017 10,000 Acquired

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

Initial ownership (Form 3) 1 holding

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

Date Ticker Security Shares Ownership
March 2, 2007 PTEN Common Stock, $.01 par value per share 0 Direct