Eric V. Walter
First SEC filing: March 3, 2023 · Latest: March 18, 2025
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 13, 2026 | BOOM | F | 11,427 | $7.51 | $85,817 | 88,603 Direct | -11.42% | Disposed | -22.8% (price as of 2026-10-02) |
| March 14, 2026 | BOOM | F | 2,272 | $4.73 | $10,747 | 100,030 Direct | -2.22% | Disposed | 22.6% (price as of 2026-10-02) |
| March 3, 2026 | BOOM | A | 54,274 | · | · | 54,274 Direct | · | Acquired | (price as of 2026-10-02) |
| Feb. 28, 2026 | BOOM | F | 2,921 | $5.89 | $17,205 | 102,302 Direct | -2.78% | Disposed | -1.5% (price as of 2026-10-02) |
| Feb. 26, 2026 | BOOM | F | 6,407 | $6.39 | $40,941 | 105,223 Direct | -5.74% | Disposed | -9.2% (price as of 2026-10-02) |
| March 14, 2025 | BOOM | F | 2,273 | $8.00 | $18,184 | 111,630 Direct | -2.00% | Disposed | -27.5% (price as of 2026-10-02) |
| Feb. 28, 2025 | BOOM | F | 2,843 | $8.49 | $24,137 | 113,903 Direct | -2.44% | Disposed | -31.7% (price as of 2026-10-02) |
| Feb. 26, 2025 | BOOM | A | 38,852 | · | · | 38,852 Direct | · | Acquired | (price as of 2026-10-02) |
| Feb. 26, 2025 | BOOM | A | 38,852 | · | · | 116,746 Direct | +49.88% | Acquired | (price as of 2026-10-02) |
| Jan. 23, 2025 | BOOM | F | 8,988 | $7.19 | $64,624 | 77,894 Direct | -10.35% | Disposed | -19.3% (price as of 2026-10-02) |
| Nov. 13, 2024 | BOOM | A | 26,119 | · | · | 86,882 Direct | +42.99% | Acquired | (price as of 2026-10-02) |
| March 14, 2024 | BOOM | F | 2,273 | $17.52 | $39,823 | 60,763 Direct | -3.61% | Disposed | -66.9% (price as of 2026-10-02) |
| Feb. 28, 2024 | BOOM | A | 19,503 | · | · | 19,503 Direct | · | Acquired | (price as of 2026-10-02) |
| Feb. 28, 2024 | BOOM | A | 19,503 | · | · | 63,036 Direct | +44.80% | Acquired | (price as of 2026-10-02) |
| Jan. 23, 2024 | BOOM | F | 8,362 | $17.45 | $145,917 | 43,533 Direct | -16.11% | Disposed | -66.8% (price as of 2026-10-02) |
| March 14, 2023 | BOOM | A | 15,581 | · | · | 15,581 Direct | · | Acquired | (price as of 2026-10-02) |
| March 14, 2023 | BOOM | A | 15,581 | · | · | 51,895 Direct | +42.91% | 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 |
|---|---|---|---|---|---|---|---|
| March 3, 2026 | BOOM | Performance Share Units | Common Stock | · | · | 54,274 | Acquired |
| Feb. 26, 2025 | BOOM | Performance Share Units | Common Stock | · | · | 38,852 | Acquired |
| Feb. 28, 2024 | BOOM | Performance Share Units | Common Stock | · | · | 19,503 | Acquired |
| March 14, 2023 | BOOM | Performance Share Units | Common Stock | · | · | 15,581 | 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 |
|---|---|---|---|---|
| March 3, 2023 | BOOM | Common Stock | 36,314 | 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 |
|---|---|---|---|---|---|---|---|---|
| 2025 | · | · | · | · | · | · | · | $1,557,507 |
Figures from the Summary Compensation Table of the company's proxy statement (DEF 14A). Compensation is not a recommendation.