Insider at

04

Insider transactions

05
0 buys (P) 0 sells (S) Net: $0 + 17 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

No open-market trades on record; showing all filings.

DateTickerCodeSharesPriceValue Owned afterΔ ownA/Dvs now
May 28, 2026 BOOM F 230 $7.16 $1,647 21,408 Direct -1.06% Disposed -18.4% (price as of 2026-10-05)
March 14, 2026 BOOM F 1,595 $4.73 $7,544 21,638 Direct -6.87% Disposed 23.5% (price as of 2026-10-05)
Feb. 26, 2026 BOOM F 1,212 $6.39 $7,745 23,233 Direct -4.96% Disposed -8.6% (price as of 2026-10-05)
May 28, 2025 BOOM F 233 $6.79 $1,582 24,445 Direct -0.94% Disposed -14.0% (price as of 2026-10-05)
March 14, 2025 BOOM F 1,379 $8.00 $11,032 24,678 Direct -5.29% Disposed -27.0% (price as of 2026-10-05)
March 9, 2025 BOOM F 399 $8.25 $3,292 26,057 Direct -1.51% Disposed -29.2% (price as of 2026-10-05)
Feb. 26, 2025 BOOM A 8,554 · · 8,554 Direct · Acquired (price as of 2026-10-05)
Feb. 26, 2025 BOOM A 8,554 · · 26,456 Direct +47.78% Acquired (price as of 2026-10-05)
Feb. 6, 2025 BOOM F 1,649 $8.01 $13,208 17,902 Direct -8.43% Disposed -27.1% (price as of 2026-10-05)
May 28, 2024 BOOM A 1,896 · · 19,551 Direct +10.74% Acquired (price as of 2026-10-05)
March 14, 2024 BOOM A 1,784 · · 1,784 Direct · Acquired (price as of 2026-10-05)
March 14, 2024 BOOM F 715 $17.52 $12,527 17,655 Direct -3.89% Disposed -66.7% (price as of 2026-10-05)
March 14, 2024 BOOM A 5,351 · · 18,370 Direct +41.10% Acquired (price as of 2026-10-05)
March 9, 2024 BOOM F 403 $17.13 $6,903 13,019 Direct -3.00% Disposed -65.9% (price as of 2026-10-05)
Feb. 6, 2024 BOOM A 3,878 · · 13,422 Direct +40.63% Acquired (price as of 2026-10-05)
March 14, 2023 BOOM A 5,901 · · 9,302 Direct +173.51% Acquired (price as of 2026-10-05)
March 9, 2023 BOOM F 461 $25.02 $11,534 3,401 Direct -11.94% Disposed -76.7% (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.

06
DateTickerSecurityUnderlying Exercise priceExpirationSharesA/D
Feb. 26, 2025 BOOM Performance Share Units Common Stock (8,554) · · 8,554 Acquired
March 14, 2024 BOOM Performance Share Units Common Stock (1,784) · · 1,784 Acquired

Exercise/conversion price is blank when not applicable (e.g. RSUs).

Initial ownership (Form 3) 2 holdings

07

Securities held when first becoming an insider, per SEC Form 3.

DateTickerSecuritySharesOwnership
March 14, 2023 BOOM Common Stock 3,862 Direct
March 13, 2023 BOOM Common Stock 3,250 Direct

Compensation (DEF 14A)

08

Matched by name from proxy statements (DEF 14A) — verify against the filing.

BOOM

Chief Accounting Officer
Fiscal yearSalaryBonusStock awards Option awardsNon-equity incentivePension changeOtherTotal
2025 · · · · · · · $667,862

Figures from the Summary Compensation Table of the company's proxy statement (DEF 14A). Compensation is not a recommendation.