Robert A Cohen
Insider
First SEC filing: May 10, 2023 · Latest: May 10, 2023
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 |
|---|---|---|---|---|---|---|---|---|---|
| May 10, 2023 | BOOM | A | 7,086 | · | · | 37,281 Direct | +23.47% | Acquired | (price as of 2026-10-02) |
| Sept. 16, 2022 | BOOM | P | 10,000 | $18.75 | $187,500 | 30,195 Direct | +49.52% | Acquired | -69.1% (price as of 2026-10-02) |
| May 11, 2022 | BOOM | A | 5,006 | · | · | 20,195 Direct | +32.96% | Acquired | (price as of 2026-10-02) |
| May 12, 2021 | BOOM | A | 1,888 | · | · | 15,189 Direct | +14.19% | Acquired | (price as of 2026-10-02) |
| Feb. 25, 2021 | BOOM | S | 2,947 | $66.00 | $194,502 | 13,301 Direct | -18.14% | Disposed | -91.2% (price as of 2026-10-02) |
| Feb. 24, 2021 | BOOM | S | 7,054 | $65.02 | $458,651 | 16,248 Direct | -30.27% | Disposed | -91.1% (price as of 2026-10-02) |
| May 20, 2020 | BOOM | A | 4,211 | · | · | 4,211 Direct | · | Acquired | (price as of 2026-10-02) |
| May 7, 2019 | BOOM | A | 1,096 | · | · | 39,750 Direct | +2.84% | Acquired | (price as of 2026-10-02) |
| May 31, 2018 | BOOM | A | 1,332 | · | · | 38,654 Direct | +3.57% | Acquired | (price as of 2026-10-02) |
| May 18, 2017 | BOOM | A | 4,724 | · | · | 37,215 Direct | +14.54% | Acquired | (price as of 2026-10-02) |
| May 12, 2016 | BOOM | A | 4,648 | · | · | 4,648 Direct | · | Acquired | (price as of 2026-10-02) |
| Dec. 2, 2015 | BOOM | P | 6,900 | $7.52 | $51,888 | 23,195 Direct | +42.34% | Acquired | -22.9% (price as of 2026-10-02) |
| May 13, 2015 | BOOM | A | 4,648 | $12.91 | $60,006 | 4,648 Direct | · | Acquired | -55.1% (price as of 2026-10-02) |
| May 15, 2014 | BOOM | A | 2,978 | · | · | 16,295 Direct | +22.36% | Acquired | (price as of 2026-10-02) |
| May 23, 2013 | BOOM | A | 3,717 | · | · | 13,317 Direct | +38.72% | Acquired | (price as of 2026-10-02) |
| May 24, 2012 | BOOM | A | 3,600 | · | · | 9,600 Direct | +60.00% | Acquired | (price as of 2026-10-02) |
| May 26, 2011 | BOOM | A | 3,000 | · | · | 6,000 Direct | +100.00% | Acquired | (price as of 2026-10-02) |
| Feb. 15, 2011 | BOOM | A | 3,000 | · | · | 3,000 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.
| Date | Ticker | Security | Underlying | Exercise price | Expiration | Shares | A/D |
|---|---|---|---|---|---|---|---|
| May 20, 2020 | BOOM | Deferred Stock | Common Stock | · | · | 4,211 | Acquired |
| May 12, 2016 | BOOM | Deferred Stock | Common Stock | · | · | 4,648 | Acquired |
| May 13, 2015 | BOOM | Deferred Stock | Common Stock | · | · | 4,648 | 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 |
|---|---|---|---|---|
| Feb. 15, 2011 | BOOM | Common Stock | 0 | Direct |