David M Bump
Insider
First SEC filing: Nov. 16, 2018 · Latest: Nov. 16, 2018
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 |
|---|---|---|---|---|---|---|---|---|---|
| Aug. 23, 2019 | WTI | S | 13,500 | $4.31 | $58,185 | 41,219 Direct | -24.67% | Disposed | -16.5% (price as of 2026-10-05) |
| March 5, 2019 | WTI | S | 10,000 | $5.40 | $54,000 | 54,719 Direct | -15.45% | Disposed | -33.3% (price as of 2026-10-05) |
| Dec. 19, 2018 | WTI | M | 73,733 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-05) |
| Dec. 19, 2018 | WTI | F | 29,014 | $4.84 | $140,428 | 64,719 Direct | -30.95% | Disposed | -25.6% (price as of 2026-10-05) |
| Dec. 19, 2018 | WTI | M | 73,733 | · | · | 93,733 Direct | +368.67% | 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.
| Date | Ticker | Security | Underlying | Exercise price | Expiration | Shares | A/D |
|---|---|---|---|---|---|---|---|
| Dec. 19, 2018 | WTI | Restricted Stock Units | Common Stock | · | · | 73,733 | Disposed |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
Initial ownership (Form 3) 4 holdings
Securities held when first becoming an insider, per SEC Form 3.