Robert A Cohen
CIK 1512807 · View on SEC EDGAR ↗
Insider
First SEC filing: May 10, 2023 · Latest: May 10, 2023
On this page
Insider at
Insider transactions
0 buys (P)
0 sells (S)
Net:
$0
+ 8 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
8 other filings hidden
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| Sept. 16, 2022 | BOOM | P | 10,000 | $18.75 | $187,500 | 30,195 Direct | +49.52% | Acquired | -62.6% (price as of 2026-08-19) |
| Feb. 25, 2021 | BOOM | S | 2,947 | $66.00 | $194,502 | 13,301 Direct | -18.14% | Disposed | -89.4% (price as of 2026-08-19) |
| Feb. 24, 2021 | BOOM | S | 7,054 | $65.02 | $458,651 | 16,248 Direct | -30.27% | Disposed | -89.2% (price as of 2026-08-19) |
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) | — | — | 4,211 | 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 |