Kenneth Matz
Insider
First SEC filing: Dec. 17, 2004 · Latest: Dec. 17, 2004
Insider at
Insider transactions
0 buys (P)
0 sells (S)
Net: $0
Price change vs current quote, split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| Oct. 29, 2004 | ROCK | J | 2,500 | · | · | 7,500 Direct | +50.00% | Acquired | (price as of 2026-10-02) |
| Aug. 2, 2004 | ROCK | M | 2,500 | $15.63 | $39,075 | 0 Direct | -100.00% | Disposed | 285.3% (price as of 2026-10-02) |
| Aug. 2, 2004 | ROCK | M | 2,750 | $14.07 | $38,692 | 0 Direct | -100.00% | Disposed | 328.0% (price as of 2026-10-02) |
| Aug. 2, 2004 | ROCK | M | 2,500 | $21.75 | $54,375 | 0 Direct | -100.00% | Disposed | 176.9% (price as of 2026-10-02) |
| Aug. 2, 2004 | ROCK | M | 3,750 | $16.75 | $62,812 | 0 Direct | -100.00% | Disposed | 259.6% (price as of 2026-10-02) |
| Aug. 2, 2004 | ROCK | M | 625 | $11.00 | $6,875 | 0 Direct | -100.00% | Disposed | 447.5% (price as of 2026-10-02) |
| Aug. 2, 2004 | ROCK | S | 1,100 | $32.20 | $35,420 | 5,000 Direct | -18.03% | Disposed | 87.0% (price as of 2026-10-02) |
| Aug. 2, 2004 | ROCK | S | 1,125 | $32.17 | $36,191 | 6,100 Direct | -15.57% | Disposed | 87.2% (price as of 2026-10-02) |
| Aug. 2, 2004 | ROCK | S | 1,000 | $32.21 | $32,210 | 7,225 Direct | -12.16% | Disposed | 87.0% (price as of 2026-10-02) |
| Aug. 2, 2004 | ROCK | S | 900 | $32.35 | $29,115 | 8,225 Direct | -9.86% | Disposed | 86.2% (price as of 2026-10-02) |
| Aug. 2, 2004 | ROCK | S | 2,000 | $32.41 | $64,820 | 9,125 Direct | -17.98% | Disposed | 85.8% (price as of 2026-10-02) |
| Aug. 2, 2004 | ROCK | S | 3,000 | $32.30 | $96,900 | 11,125 Direct | -21.24% | Disposed | 86.5% (price as of 2026-10-02) |
| Aug. 2, 2004 | ROCK | S | 2,000 | $32.00 | $64,000 | 14,125 Direct | -12.40% | Disposed | 88.2% (price as of 2026-10-02) |
| Aug. 2, 2004 | ROCK | S | 1,000 | $32.25 | $32,250 | 16,125 Direct | -5.84% | Disposed | 86.7% (price as of 2026-10-02) |
| Aug. 2, 2004 | ROCK | M | 2,750 | $14.07 | $38,692 | 17,125 Direct | +19.13% | Acquired | 328.0% (price as of 2026-10-02) |
| Aug. 2, 2004 | ROCK | M | 2,500 | $15.63 | $39,075 | 14,375 Direct | +21.05% | Acquired | 285.3% (price as of 2026-10-02) |
| Aug. 2, 2004 | ROCK | M | 2,500 | $21.75 | $54,375 | 11,875 Direct | +26.67% | Acquired | 176.9% (price as of 2026-10-02) |
| Aug. 2, 2004 | ROCK | M | 3,750 | $16.75 | $62,812 | 9,375 Direct | +66.67% | Acquired | 259.6% (price as of 2026-10-02) |
| Aug. 2, 2004 | ROCK | M | 625 | $11.00 | $6,875 | 5,625 Direct | +12.50% | Acquired | 447.5% (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 |
|---|---|---|---|---|---|---|---|
| Aug. 2, 2004 | ROCK | Option to buy [F1] | Commons tock | $15.63 | Oct. 8, 2008 | 2,500 | Disposed |
| Aug. 2, 2004 | ROCK | Option to buy [F1] | Common stock | $14.07 | July 18, 2010 | 2,750 | Disposed |
| Aug. 2, 2004 | ROCK | Option to buy [F1] | Common stock | $21.75 | July 8, 2007 | 2,500 | Disposed |
| Aug. 2, 2004 | ROCK | Option to buy [F1] | Common stock | $16.75 | July 8, 2006 | 3,750 | Disposed |
| Aug. 2, 2004 | ROCK | Option to buy [F1] | Common stock | $11.00 | Nov. 6, 2005 | 625 | Disposed |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
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 |
|---|---|---|---|---|---|---|---|---|
| 2004 | · | · | · | · | · | · | · | · |
Figures from the Summary Compensation Table of the company's proxy statement (DEF 14A). Compensation is not a recommendation.