Walter T Erazmus

CIK 1225529 · View on SEC EDGAR ↗

Insider

First SEC filing: Aug. 17, 2004 · Latest: Aug. 17, 2004

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Insider at

Insider transactions

0 buys (P) 0 sells (S) Net: $0 + 36 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

36 other filings hidden
Date Ticker Code Shares Price Value Owned after Δ own A/D vs now
Aug. 16, 2004 ROCK S 1,000 $30.00 $30,000 26,396 Direct -3.65% Disposed 133.9% (price as of 2026-08-21)
May 11, 2004 ROCK S 500 $25.05 $12,525 0 Indirect -100.00% Disposed 180.1% (price as of 2026-08-21)
May 11, 2004 ROCK S 800 $25.05 $20,040 0 Indirect -100.00% Disposed 180.1% (price as of 2026-08-21)
Feb. 13, 2004 ROCK S 20,354 $24.00 $488,496 16,375 Direct -55.42% Disposed 192.4% (price as of 2026-08-21)
Feb. 10, 2004 ROCK S 17,500 $24.00 $420,000 16,375 Direct -51.66% Disposed 192.4% (price as of 2026-08-21)
Aug. 13, 2003 ROCK S 4,000 $22.75 $91,000 11,000 Direct -26.67% Disposed 208.4% (price as of 2026-08-21)
Aug. 12, 2003 ROCK S 5,375 $22.97 $123,464 15,000 Direct -26.38% Disposed 205.5% (price as of 2026-08-21)

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
Feb. 17, 2004 ROCK Option (right to buy) [F3] Common stock (5,066) $14.07 July 18, 2010 5,066 Disposed
Feb. 17, 2004 ROCK Option (right to buy) [F3] Common stock (4,030) $15.62 Oct. 7, 2008 4,030 Disposed
Feb. 17, 2004 ROCK Option (right to buy) [F3] Common stock (9,925) $16.75 July 7, 2006 9,925 Disposed
Feb. 13, 2004 ROCK Option (right to buy) [F3] Common stock (4,309) $14.07 July 18, 2010 4,309 Disposed
Feb. 13, 2004 ROCK Option (right to buy) [F3] Common stock (10,970) $15.62 Oct. 7, 2008 10,970 Disposed
Feb. 13, 2004 ROCK Option (right to buy) [F3] Common stock (5,075) $16.75 July 7, 2006 5,075 Disposed
Feb. 10, 2004 ROCK Option (right to buy) [F3] Common stock (15,000) $21.75 July 8, 2007 15,000 Disposed
Feb. 10, 2004 ROCK Option (right to Buy) [F3] Common stock (2,500) $22.50 March 27, 2008 2,500 Disposed
Aug. 13, 2003 ROCK Option (right to buy) Common stock (5,375) $11.00 Nov. 5, 2005 5,375 Disposed
Aug. 8, 1988 ROCK Option (right to buy) [F3] Common stock (0) $14.07 July 18, 2010 0 Acquired
Aug. 8, 1988 ROCK Option (right to buy) [F3] Common stock (0) $15.62 Oct. 7, 2008 0 Acquired
Aug. 8, 1988 ROCK Option (right to buy) [F3] Common stock (0) $22.50 March 27, 2008 0 Acquired
Aug. 8, 1988 ROCK Option (right to buy) [F3] Common stock (0) $21.75 July 8, 2007 0 Acquired
Aug. 8, 1988 ROCK Option (right to buy) [F3] Common stock (0) $16.75 July 7, 2006 0 Acquired
Aug. 8, 1988 ROCK Option (right to buy) [F2] Common Stock (0) $21.75 July 8, 2007 0 Acquired
Aug. 8, 1988 ROCK Option (right to buy) [F2] Common Stock (0) $16.75 July 7, 2006 0 Acquired
Aug. 8, 1988 ROCK Option (right to buy) [F2] Common Stock (0) $11.00 Nov. 5, 2005 0 Acquired
Aug. 8, 1988 ROCK Option (right to buy) [F2] Common Stock (0) $14.07 July 18, 2010 0 Acquired
Aug. 8, 1988 ROCK Option (right to buy) [F2] Common Stock (0) $15.62 Oct. 7, 2008 0 Acquired
Aug. 8, 1988 ROCK Option (right to buy) [F2] Common Stock (0) $22.50 March 27, 2008 0 Acquired

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