Insider at

04

Insider transactions

05
0 buys (P) 0 sells (S) Net: $0 + 26 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

26 other filings hidden
DateTickerCodeSharesPriceValue Owned afterΔ ownA/Dvs now
Aug. 3, 2015 BOOM P 40,000 $10.52 $420,800 40,000 Indirect · Acquired -44.8% (price as of 2026-10-05)
June 10, 2005 BOOM S 5,000 $39.35 $196,750 0 Direct -100.00% Disposed -70.5% (price as of 2026-10-05)
May 16, 2005 BOOM S 12,500 $31.27 $390,875 0 Direct -100.00% Disposed -62.8% (price as of 2026-10-05)
April 6, 2005 BOOM S 10,000 $33.82 $338,200 12,500 Direct -44.44% Disposed -65.6% (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
May 13, 2015 BOOM Deferred Stock Common Stock (4,648) · · 4,648 Acquired
June 10, 2005 BOOM Non-Qualified Stock Option (right to buy) Common Stock (5,000) $3.25 June 10, 2014 5,000 Disposed
June 3, 2005 BOOM Incentive Stock Option (right to buy) Common Stock (5,000) $41.23 June 3, 2015 5,000 Acquired
April 6, 2005 BOOM Non-Qualified Stock Option (right to buy) Common Stock (7,500) $1.33 Sept. 12, 2010 7,500 Disposed
April 6, 2005 BOOM Non-Qualified Stock Option (right to buy) Common Stock (5,000) $2.25 Sept. 12, 2012 5,000 Disposed
April 6, 2005 BOOM Non-Qualified Stock Option (right to buy) Common Stock (5,000) $2.65 Sept. 13, 2011 5,000 Disposed
April 6, 2005 BOOM Non-Qualified Stock Option (right to buy) Common Stock (5,000) $2.95 Jan. 28, 2014 5,000 Disposed
June 10, 2004 BOOM Non-Qualifed Stock Option (right to buy) Common Stock (5,000) $3.25 June 10, 2014 5,000 Acquired
Jan. 28, 2004 BOOM Non-Qualified Stock Option (right to buy) Common Stock (5,000) $2.95 Jan. 28, 2014 5,000 Acquired

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