David L Bradshaw
Insider
First SEC filing: Dec. 20, 2011 · Latest: Dec. 20, 2011
Insider at
Insider transactions
0 buys (P)
0 sells (S)
Net: $0
Price change vs current quote, split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| June 13, 2024 | NGS | A | 5,620 | · | · | 5,620 Direct | · | Acquired | (price as of 2026-10-05) |
| May 13, 2024 | NGS | A | 9,470 | · | · | 45,726 Direct | +26.12% | Acquired | (price as of 2026-10-05) |
| May 9, 2024 | NGS | M | 9,470 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-05) |
| May 9, 2024 | NGS | A | 4,735 | · | · | 40,991 Direct | +13.06% | Acquired | (price as of 2026-10-05) |
| May 9, 2023 | NGS | A | 9,470 | · | · | 9,470 Direct | · | Acquired | (price as of 2026-10-05) |
| April 26, 2022 | NGS | A | 4,212 | $11.87 | $49,996 | 36,256 Direct | +13.14% | Acquired | 182.9% (price as of 2026-10-05) |
| March 18, 2021 | NGS | A | 5,612 | $8.91 | $50,003 | 32,044 Direct | +21.23% | Acquired | 276.9% (price as of 2026-10-05) |
| April 28, 2020 | NGS | A | 4,432 | $5.64 | $24,996 | 26,432 Direct | +20.15% | Acquired | 495.4% (price as of 2026-10-05) |
| June 4, 2019 | NGS | S | 1,600 | $14.98 | $23,968 | 22,000 Direct | -6.78% | Disposed | 124.2% (price as of 2026-10-05) |
| June 4, 2019 | NGS | S | 1,756 | $15.20 | $26,691 | 23,600 Direct | -6.93% | Disposed | 120.9% (price as of 2026-10-05) |
| March 29, 2019 | NGS | A | 5,784 | $17.29 | $100,005 | 25,356 Direct | +29.55% | Acquired | 94.2% (price as of 2026-10-05) |
| March 15, 2018 | NGS | A | 4,072 | $24.55 | $99,968 | 19,572 Direct | +26.27% | Acquired | 36.8% (price as of 2026-10-05) |
| March 13, 2018 | NGS | S | 1,853 | $27.35 | $50,680 | 15,500 Direct | -10.68% | Disposed | 22.8% (price as of 2026-10-05) |
| March 13, 2018 | NGS | S | 647 | $27.11 | $17,540 | 17,353 Direct | -3.59% | Disposed | 23.9% (price as of 2026-10-05) |
| June 20, 2017 | NGS | S | 2,540 | $23.60 | $59,944 | 18,000 Direct | -12.37% | Disposed | 42.3% (price as of 2026-10-05) |
| March 23, 2017 | NGS | A | 3,992 | $25.05 | $100,000 | 20,540 Direct | +24.12% | Acquired | 34.1% (price as of 2026-10-05) |
| June 23, 2016 | NGS | S | 2,500 | $24.35 | $60,875 | 16,548 Direct | -13.12% | Disposed | 37.9% (price as of 2026-10-05) |
| April 6, 2016 | NGS | A | 5,884 | $20.39 | $119,975 | 19,666 Direct | -23.03% | Disposed | 64.7% (price as of 2026-10-05) |
| Dec. 31, 2015 | NGS | F | 206 | $22.30 | $4,594 | 19,048 Direct | -1.07% | Disposed | 50.6% (price as of 2026-10-05) |
| Sept. 30, 2015 | NGS | F | 206 | $19.30 | $3,976 | 19,254 Direct | -1.06% | Disposed | 74.0% (price as of 2026-10-05) |
| June 30, 2015 | NGS | F | 206 | $22.82 | $4,701 | 19,460 Direct | -1.05% | Disposed | 47.2% (price as of 2026-10-05) |
| March 31, 2015 | NGS | F | 206 | $19.22 | $3,959 | 13,782 Direct | -1.47% | Disposed | 74.7% (price as of 2026-10-05) |
| March 19, 2015 | NGS | A | 5,492 | $18.75 | $102,975 | 13,988 Direct | +64.64% | Acquired | 79.1% (price as of 2026-10-05) |
| March 20, 2014 | NGS | A | 3,288 | $30.41 | $99,988 | 8,496 Direct | +63.13% | Acquired | 10.4% (price as of 2026-10-05) |
| March 21, 2013 | NGS | A | 2,500 | $18.75 | $46,875 | 5,208 Direct | +92.32% | Acquired | 79.1% (price as of 2026-10-05) |
| Dec. 12, 2012 | NGS | A | 208 | $16.48 | $3,428 | 2,708 Direct | +8.32% | Acquired | 103.8% (price as of 2026-10-05) |
| March 28, 2012 | NGS | A | 2,500 | $13.43 | $33,575 | 2,500 Direct | · | Acquired | 150.0% (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.
| Date | Ticker | Security | Underlying | Exercise price | Expiration | Shares | A/D |
|---|---|---|---|---|---|---|---|
| June 13, 2024 | NGS | Restricted Stock Units | Common Stock | · | · | 5,620 | Acquired |
| May 9, 2024 | NGS | Restricted Stock Units | Common Stock | · | · | 9,470 | Disposed |
| May 9, 2023 | NGS | Restricted Stock Unit | Common Stock | · | · | 9,470 | 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 |
|---|---|---|---|---|
| Dec. 20, 2011 | NGS | Common Stock | 0 | Direct |