Anthony James Best
CIK 1364843 · View on SEC EDGAR ↗
First SEC filing: May 20, 2022 · Latest: May 20, 2022
On this page
- Insider at Companies where this person is a reporting insider.
- Insider transactions Every share this person bought or sold, from Form 4 filings.
- Derivatives Options and other derivative holdings reported by this person.
- Initial holdings The stakes this person held when they first started reporting.
- Compensation Executive pay disclosed in company proxy statements.
Insider at
Insider transactions
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.
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| May 12, 2023 | PUMP | A | 21,116 | — | — | 21,116 Direct | — | Acquired | (price as of 2026-08-20) |
| April 26, 2023 | PUMP | M | 10,137 | — | — | 0 Direct | -100.00% | Disposed | (price as of 2026-08-20) |
| April 26, 2023 | PUMP | M | 10,137 | — | — | 71,884 Direct | +16.42% | Acquired | (price as of 2026-08-20) |
| May 19, 2022 | NPKI | A | 41,363 | — | — | 237,809 Direct | +21.06% | Acquired | (price as of 2026-08-20) |
| April 26, 2022 | PUMP | A | 10,137 | — | — | 10,137 Direct | — | Acquired | (price as of 2026-08-20) |
| April 18, 2022 | PUMP | M | 13,384 | — | — | 0 Direct | -100.00% | Disposed | (price as of 2026-08-20) |
| April 18, 2022 | PUMP | M | 13,384 | — | — | 61,747 Direct | +27.67% | Acquired | (price as of 2026-08-20) |
| May 20, 2021 | NPKI | A | 38,872 | — | — | 196,446 Direct | +24.67% | Acquired | (price as of 2026-08-20) |
| May 18, 2021 | PUMP | A | 13,384 | — | — | 13,384 Direct | — | Acquired | (price as of 2026-08-20) |
| April 24, 2021 | PUMP | M | 32,336 | — | — | 0 Direct | -100.00% | Disposed | (price as of 2026-08-20) |
| April 24, 2021 | PUMP | M | 32,336 | — | — | 48,363 Direct | +201.76% | Acquired | (price as of 2026-08-20) |
| June 14, 2020 | PUMP | M | 7,878 | — | — | 32,336 Direct | -19.59% | Disposed | (price as of 2026-08-20) |
| June 14, 2020 | PUMP | M | 7,878 | — | — | 16,027 Direct | +96.67% | Acquired | (price as of 2026-08-20) |
| May 21, 2020 | NPKI | A | 34,638 | — | — | 157,574 Direct | +28.18% | Acquired | (price as of 2026-08-20) |
| April 24, 2020 | PUMP | A | 32,336 | — | — | 40,214 Direct | +410.46% | Acquired | (price as of 2026-08-20) |
| June 14, 2019 | PUMP | A | 7,878 | — | — | 7,878 Direct | — | Acquired | (price as of 2026-08-20) |
| May 23, 2019 | NPKI | A | 23,160 | — | — | 122,936 Direct | +23.21% | Acquired | (price as of 2026-08-20) |
| May 17, 2018 | NPKI | A | 15,813 | — | — | 99,776 Direct | +18.83% | Acquired | (price as of 2026-08-20) |
| May 18, 2017 | NPKI | A | 19,230 | — | — | 83,963 Direct | +29.71% | Acquired | (price as of 2026-08-20) |
| May 19, 2016 | NPKI | A | 34,722 | — | — | 64,733 Direct | +115.70% | Acquired | (price as of 2026-08-20) |
| May 22, 2015 | NPKI | A | 16,666 | — | — | 30,011 Direct | +124.89% | Acquired | (price as of 2026-08-20) |
| Aug. 11, 2014 | SM | A | 10,999 | — | — | 10,999 Direct | — | Acquired | (price as of 2026-08-20) |
| July 2, 2014 | SM | M | 16,927 | — | — | 0 Direct | -100.00% | Disposed | (price as of 2026-08-20) |
| July 2, 2014 | SM | A | 16,927 | — | — | 16,927 Direct | — | Acquired | (price as of 2026-08-20) |
| July 2, 2014 | SM | F | 7,886 | $84.35 | $665,184 | 205,161 Direct | -3.70% | Disposed | -55.1% (price as of 2026-08-20) |
| July 2, 2014 | SM | M | 16,927 | — | — | 213,047 Direct | +8.63% | Acquired | (price as of 2026-08-20) |
| July 1, 2014 | SM | M | 5,140 | — | — | 10,282 Direct | -33.33% | Disposed | (price as of 2026-08-20) |
| July 1, 2014 | SM | M | 5,939 | — | — | 5,940 Direct | -50.00% | Disposed | (price as of 2026-08-20) |
| July 1, 2014 | SM | M | 5,869 | — | — | 0 Direct | -100.00% | Disposed | (price as of 2026-08-20) |
| July 1, 2014 | SM | F | 2,395 | $84.10 | $201,420 | 196,120 Direct | -1.21% | Disposed | -54.9% (price as of 2026-08-20) |
| July 1, 2014 | SM | M | 5,140 | — | — | 198,515 Direct | +2.66% | Acquired | (price as of 2026-08-20) |
| July 1, 2014 | SM | F | 2,767 | $84.10 | $232,705 | 193,375 Direct | -1.41% | Disposed | -54.9% (price as of 2026-08-20) |
| July 1, 2014 | SM | M | 5,939 | — | — | 196,142 Direct | +3.12% | Acquired | (price as of 2026-08-20) |
| July 1, 2014 | SM | F | 2,735 | $84.10 | $230,014 | 190,203 Direct | -1.42% | Disposed | -54.9% (price as of 2026-08-20) |
| July 1, 2014 | SM | M | 5,869 | — | — | 192,938 Direct | +3.14% | Acquired | (price as of 2026-08-20) |
| June 30, 2014 | SM | J | 300 | $70.64 | $21,192 | 187,069 Direct | +0.16% | Acquired | -46.4% (price as of 2026-08-20) |
| May 22, 2014 | NPKI | A | 13,345 | — | — | 13,345 Direct | — | Acquired | (price as of 2026-08-20) |
| July 22, 2013 | SM | A | 15,422 | — | — | 15,422 Direct | — | Acquired | (price as of 2026-08-20) |
| July 2, 2013 | SM | M | 63,216 | — | — | 292,405 Direct | +27.58% | Acquired | (price as of 2026-08-20) |
| July 2, 2013 | SM | F | 29,447 | $60.61 | $1,784,783 | 262,958 Direct | -10.07% | Disposed | -37.5% (price as of 2026-08-20) |
| July 2, 2013 | SM | A | 63,216 | — | — | 63,216 Direct | — | Acquired | (price as of 2026-08-20) |
| July 2, 2013 | SM | M | 63,216 | — | — | 0 Direct | -100.00% | Disposed | (price as of 2026-08-20) |
| July 1, 2013 | SM | M | 5,938 | — | — | 231,088 Direct | +2.64% | Acquired | (price as of 2026-08-20) |
| July 1, 2013 | SM | F | 1,899 | $59.98 | $113,902 | 229,189 Direct | -0.82% | Disposed | -36.8% (price as of 2026-08-20) |
| July 1, 2013 | SM | M | 6,824 | — | — | 0 Direct | -100.00% | Disposed | (price as of 2026-08-20) |
| July 1, 2013 | SM | M | 5,938 | — | — | 11,879 Direct | -33.33% | Disposed | (price as of 2026-08-20) |
| July 1, 2013 | SM | M | 2,936 | — | — | 5,869 Direct | -33.34% | Disposed | (price as of 2026-08-20) |
| July 1, 2013 | SM | F | 1,368 | $59.98 | $82,053 | 225,150 Direct | -0.60% | Disposed | -36.8% (price as of 2026-08-20) |
| July 1, 2013 | SM | M | 2,936 | — | — | 226,518 Direct | +1.31% | Acquired | (price as of 2026-08-20) |
| July 1, 2013 | SM | F | 2,990 | $59.98 | $179,340 | 223,582 Direct | -1.32% | Disposed | -36.8% (price as of 2026-08-20) |
| July 1, 2013 | SM | M | 6,824 | — | — | 226,572 Direct | +3.11% | Acquired | (price as of 2026-08-20) |
| June 28, 2013 | SM | J | 478 | $44.38 | $21,214 | 143,559 Direct | +0.33% | Acquired | -14.6% (price as of 2026-08-20) |
| June 28, 2013 | SM | J | 478 | $44.38 | $21,214 | 219,748 Direct | +0.22% | Acquired | -14.6% (price as of 2026-08-20) |
| Aug. 1, 2012 | SM | M | 9,999 | — | — | 0 Direct | -100.00% | Disposed | (price as of 2026-08-20) |
| Aug. 1, 2012 | SM | M | 105,000 | — | — | 0 Direct | -100.00% | Disposed | (price as of 2026-08-20) |
| Aug. 1, 2012 | SM | F | 4,108 | $47.30 | $194,308 | 143,081 Direct | -2.79% | Disposed | -19.9% (price as of 2026-08-20) |
| Aug. 1, 2012 | SM | M | 9,999 | — | — | 147,189 Direct | +7.29% | Acquired | (price as of 2026-08-20) |
| Aug. 1, 2012 | SM | F | 43,136 | $47.30 | $2,040,333 | 137,190 Direct | -23.92% | Disposed | -19.9% (price as of 2026-08-20) |
| Aug. 1, 2012 | SM | M | 105,000 | — | — | 180,326 Direct | +139.39% | Acquired | (price as of 2026-08-20) |
| July 23, 2012 | SM | A | 105,000 | — | — | 105,000 Direct | — | Acquired | (price as of 2026-08-20) |
| July 17, 2012 | SM | A | 17,817 | — | — | 17,817 Direct | — | Acquired | (price as of 2026-08-20) |
| July 2, 2012 | SM | M | 1,468 | — | — | 8,805 Direct | -14.29% | Disposed | (price as of 2026-08-20) |
| July 2, 2012 | SM | M | 3,412 | — | — | 6,824 Direct | -33.33% | Disposed | (price as of 2026-08-20) |
| July 2, 2012 | SM | F | 605 | $48.11 | $29,107 | 75,326 Direct | -0.80% | Disposed | -21.2% (price as of 2026-08-20) |
| July 2, 2012 | SM | M | 1,468 | — | — | 75,931 Direct | +1.97% | Acquired | (price as of 2026-08-20) |
| July 2, 2012 | SM | F | 1,251 | $48.11 | $60,186 | 74,463 Direct | -1.65% | Disposed | -21.2% (price as of 2026-08-20) |
| July 2, 2012 | SM | M | 3,412 | — | — | 75,714 Direct | +4.72% | Acquired | (price as of 2026-08-20) |
| June 29, 2012 | SM | J | 341 | $41.74 | $14,233 | 72,302 Direct | +0.47% | Acquired | -9.2% (price as of 2026-08-20) |
| March 15, 2012 | SM | G | 100 | — | — | 71,961 Direct | -0.14% | Disposed | (price as of 2026-08-20) |
| March 14, 2012 | SM | G | 300 | — | — | 72,061 Direct | -0.41% | Disposed | (price as of 2026-08-20) |
| Sept. 28, 2011 | SM | A | 1,448 | — | — | 10,273 Direct | +16.41% | Acquired | (price as of 2026-08-20) |
| Aug. 1, 2011 | SM | M | 5,000 | — | — | 9,999 Direct | -33.34% | Disposed | (price as of 2026-08-20) |
| Aug. 1, 2011 | SM | M | 18,689 | — | — | 0 Direct | -100.00% | Disposed | (price as of 2026-08-20) |
| Aug. 1, 2011 | SM | F | 2,054 | $75.56 | $155,200 | 72,361 Direct | -2.76% | Disposed | -49.9% (price as of 2026-08-20) |
| Aug. 1, 2011 | SM | M | 5,000 | — | — | 74,415 Direct | +7.20% | Acquired | (price as of 2026-08-20) |
| Aug. 1, 2011 | SM | F | 7,678 | $75.56 | $580,150 | 69,415 Direct | -9.96% | Disposed | -49.9% (price as of 2026-08-20) |
| Aug. 1, 2011 | SM | M | 18,689 | — | — | 77,093 Direct | +32.00% | Acquired | (price as of 2026-08-20) |
| July 28, 2011 | SM | A | 18,689 | — | — | 18,689 Direct | — | Acquired | (price as of 2026-08-20) |
| July 19, 2011 | SM | A | 8,825 | — | — | 8,825 Direct | — | Acquired | (price as of 2026-08-20) |
| July 1, 2011 | SM | M | 1,707 | — | — | 10,236 Direct | -14.29% | Disposed | (price as of 2026-08-20) |
| July 1, 2011 | SM | M | 1,707 | — | — | 58,404 Direct | +3.01% | Acquired | (price as of 2026-08-20) |
| June 30, 2011 | SM | J | 424 | $50.09 | $21,238 | 56,697 Direct | +0.75% | Acquired | -24.4% (price as of 2026-08-20) |
| Feb. 28, 2011 | SM | M | 1,131 | — | — | 0 Direct | -100.00% | Disposed | (price as of 2026-08-20) |
| Feb. 28, 2011 | SM | M | 1,131 | — | — | 56,273 Direct | +2.05% | Acquired | (price as of 2026-08-20) |
| Dec. 15, 2010 | SM | M | 5,176 | — | — | 0 Direct | -100.00% | Disposed | (price as of 2026-08-20) |
| Dec. 15, 2010 | SM | M | 5,176 | — | — | 55,142 Direct | +10.36% | Acquired | (price as of 2026-08-20) |
| Aug. 1, 2010 | SM | M | 2,501 | — | — | 14,999 Direct | -14.29% | Disposed | (price as of 2026-08-20) |
| Aug. 1, 2010 | SM | M | 2,501 | — | — | 49,966 Direct | +5.27% | Acquired | (price as of 2026-08-20) |
| July 1, 2010 | SM | A | 11,943 | — | — | 11,943 Direct | — | Acquired | (price as of 2026-08-20) |
| June 30, 2010 | SM | J | 730 | $29.10 | $21,243 | 47,465 Direct | +1.56% | Acquired | 30.2% (price as of 2026-08-20) |
| Feb. 28, 2010 | SM | M | 1,131 | — | — | 1,131 Direct | -50.00% | Disposed | (price as of 2026-08-20) |
| Feb. 28, 2010 | SM | M | 432 | — | — | 0 Direct | -100.00% | Disposed | (price as of 2026-08-20) |
| Feb. 28, 2010 | SM | A | 1,250 | — | — | 46,735 Direct | +2.75% | Acquired | (price as of 2026-08-20) |
| Feb. 28, 2010 | SM | M | 1,131 | — | — | 45,485 Direct | +2.55% | Acquired | (price as of 2026-08-20) |
| Feb. 28, 2010 | SM | M | 432 | — | — | 44,354 Direct | +0.98% | Acquired | (price as of 2026-08-20) |
| Dec. 15, 2009 | SM | M | 5,176 | — | — | 5,176 Direct | -50.00% | Disposed | (price as of 2026-08-20) |
| Dec. 15, 2009 | SM | M | 5,176 | — | — | 43,922 Direct | +13.36% | Acquired | (price as of 2026-08-20) |
| Aug. 1, 2009 | SM | A | 17,500 | — | — | 17,500 Direct | — | Acquired | (price as of 2026-08-20) |
| June 30, 2009 | SM | J | 1,230 | $17.26 | $21,230 | 38,746 Direct | +3.28% | Acquired | 119.5% (price as of 2026-08-20) |
| June 8, 2009 | SM | G | 1,700 | — | — | 37,516 Direct | -4.33% | Disposed | (price as of 2026-08-20) |
Showing latest 100 of 135 transactions
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 |
|---|---|---|---|---|---|---|---|
| May 12, 2023 | PUMP | Restricted Stock Units | Common Stock (21,116) | — | — | 21,116 | Acquired |
| April 26, 2023 | PUMP | Restricted Stock Units | Common Stock (10,137) | — | — | 10,137 | Disposed |
| April 26, 2022 | PUMP | Restricted Stock Units | Common Stock (10,137) | — | — | 10,137 | Acquired |
| April 18, 2022 | PUMP | Restricted Stock Units | Common Stock (13,384) | — | — | 13,384 | Disposed |
| May 18, 2021 | PUMP | Restricted Stock Units | Common Stock (13,384) | — | — | 13,384 | Acquired |
| April 24, 2021 | PUMP | Restricted Stock Units | Common Stock (32,336) | — | — | 32,336 | Disposed |
| June 14, 2020 | PUMP | Restricted Stock Units | Common Stock (7,878) | — | — | 7,878 | Disposed |
| April 24, 2020 | PUMP | Restricted Stock Units | Common Stock (32,336) | — | — | 32,336 | Acquired |
| June 14, 2019 | PUMP | Restricted Stock Units | Common Stock (7,878) | — | — | 7,878 | Acquired |
| Aug. 11, 2014 | SM | Restricted Stock Units | Common Stock (10,999) | — | — | 10,999 | Acquired |
| July 2, 2014 | SM | Performance Share Units | Common Stock (16,927) | — | — | 16,927 | Disposed |
| July 2, 2014 | SM | Performance Share Units | Common Stock (16,927) | — | — | 16,927 | Acquired |
| July 1, 2014 | SM | Restricted Stock Units | Common Stock (5,140) | — | — | 5,140 | Disposed |
| July 1, 2014 | SM | Restricted Stock Units | Common Stock (5,939) | — | — | 5,939 | Disposed |
| July 1, 2014 | SM | Restricted Stock Units | Common Stock (5,869) | — | — | 5,869 | Disposed |
| July 22, 2013 | SM | Restricted Stock Units | Common Stock (15,422) | — | — | 15,422 | Acquired |
| July 2, 2013 | SM | Performance Share Award | Common Stock (63,216) | — | July 2, 2013 | 63,216 | Acquired |
| July 2, 2013 | SM | Performance Share Award | Common Stock (63,216) | — | July 2, 2013 | 63,216 | Disposed |
| July 1, 2013 | SM | Restricted Stock Units | Common Stock (6,824) | — | July 1, 2013 | 6,824 | Disposed |
| July 1, 2013 | SM | Restricted Stock Units | Common Stock (5,938) | — | July 1, 2013 | 5,938 | Disposed |
| July 1, 2013 | SM | Restricted Stock Units | Common Stock (2,936) | — | July 1, 2013 | 2,936 | Disposed |
| Aug. 1, 2012 | SM | Restricted Stock Units | Common Stock (9,999) | — | Aug. 1, 2012 | 9,999 | Disposed |
| Aug. 1, 2012 | SM | Performance Share Award | Common Stock (105,000) | — | Aug. 1, 2012 | 105,000 | Disposed |
| July 23, 2012 | SM | Performance Share Award | Common Stock | — | Aug. 1, 2012 | 105,000 | Acquired |
| July 17, 2012 | SM | Restricted Stock Units | Common Stock (17,817) | — | — | 17,817 | Acquired |
| July 2, 2012 | SM | Restricted Stock Units | Common Stock (1,468) | — | July 2, 2012 | 1,468 | Disposed |
| July 2, 2012 | SM | Restricted Stock Units | Common Stock (3,412) | — | July 2, 2012 | 3,412 | Disposed |
| Sept. 28, 2011 | SM | Restricted Stock Units | Common Stock (1,448) | — | — | 1,448 | Acquired |
| Aug. 1, 2011 | SM | Restricted Stock Units | Common Stock (5,000) | — | Aug. 1, 2011 | 5,000 | Disposed |
| Aug. 1, 2011 | SM | Performance Share Award | Common Stock (18,689) | — | Aug. 1, 2011 | 18,689 | Disposed |
| July 28, 2011 | SM | Performance Share Award | Common Stock (18,689) | — | Aug. 1, 2011 | 18,689 | Acquired |
| July 19, 2011 | SM | Restricted Stock Units | Common Stock (8,825) | — | — | 8,825 | Acquired |
| July 1, 2011 | SM | Restricted Stock Units | Common Stock (1,707) | — | July 1, 2011 | 1,707 | Disposed |
| Feb. 28, 2011 | SM | Restricted Stock Units | Common Stock (1,131) | — | Feb. 28, 2011 | 1,131 | Disposed |
| Dec. 15, 2010 | SM | Restricted Stock Units | Common Stock (5,176) | — | Dec. 15, 2010 | 5,176 | Disposed |
| Aug. 1, 2010 | SM | Restricted Stock Units | Common Stock (2,501) | — | Aug. 1, 2010 | 2,501 | Disposed |
| July 1, 2010 | SM | Restricted Stock Units | Common Stock (11,943) | — | — | 11,943 | Acquired |
| Feb. 28, 2010 | SM | Restricted Stock Units | Common Stock (1,131) | — | Feb. 28, 2010 | 1,131 | Disposed |
| Feb. 28, 2010 | SM | Restricted Stock Units | Common Stock (432) | — | Feb. 28, 2010 | 432 | Disposed |
| Dec. 15, 2009 | SM | Restricted Stock Units | Common Stock (5,176) | — | Dec. 15, 2009 | 5,176 | Disposed |
| Aug. 1, 2009 | SM | Restricted Stock Units | Common Stock (17,500) | — | — | 17,500 | Acquired |
| Feb. 28, 2009 | SM | Restricted Stock Units | Common Stock (1,132) | — | Feb. 28, 2009 | 1,132 | Disposed |
| Feb. 28, 2009 | SM | Restricted Stock Units | Common Stock (432) | — | Feb. 28, 2009 | 432 | Disposed |
| Dec. 15, 2008 | SM | Restricted Stock Units | Common Stock (5,176) | — | Dec. 15, 2008 | 5,176 | Disposed |
| July 1, 2008 | SM | Restricted Stock Units | Common Stock (15,528) | — | — | 15,528 | Acquired |
| June 30, 2008 | SM | Restricted Stock Units | Common Stock (15,528) | — | — | 15,528 | Acquired |
| Feb. 28, 2008 | SM | Restricted Stock Units | Common Stock (1,132) | — | Feb. 28, 2008 | 1,132 | Disposed |
| Feb. 28, 2008 | SM | Restricted Stock Units | Common Stock (4,526) | — | — | 4,526 | Acquired |
| Feb. 28, 2008 | SM | Restricted Stock Units | Common Stock (864) | — | Feb. 28, 2008 | 864 | Disposed |
| Feb. 28, 2007 | SM | Restricted Stock Units | Common Stock (1,728) | — | — | 1,728 | 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 |
|---|---|---|---|---|
| June 13, 2006 | SM | No securities are beneficially owned. | 0 | Direct |
Compensation (DEF 14A)
Matched by name from proxy statements (DEF 14A) — verify against the filing.
| Fiscal year | Salary | Bonus | Stock awards | Option awards | Non-equity incentive | Pension change | Other | Total |
|---|---|---|---|---|---|---|---|---|
| 2015 | $96,462 | — | $66,773 | — | — | $272,061 | $110,051 | $545,347 |
| 2014 | $826,308 | — | $3,699,974 | — | $1,280,777 | $270,022 | $64,794 | $6,141,875 |
| 2013 | $744,231 | — | $3,699,981 | — | $1,488,462 | $190,120 | $26,002 | $6,148,796 |
Figures from the Summary Compensation Table of the company's proxy statement (DEF 14A). Compensation is not a recommendation.