Bruce A Westphal
Insider
First SEC filing: Nov. 14, 2006 · Latest: Nov. 14, 2006
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 |
|---|---|---|---|---|---|---|---|---|---|
| Feb. 11, 2008 | CENTA | A | 28,341 | · | · | 28,341 Direct | · | Acquired | (price as of 2026-10-02) |
| Feb. 11, 2008 | CENTA | A | 3,037 | · | · | 21,205 Direct | +16.72% | Acquired | (price as of 2026-10-02) |
| Nov. 29, 2007 | CENTA | P | 10,000 | $4.78 | $47,800 | 10,000 Indirect | · | Acquired | 796.4% (price as of 2026-10-02) |
| Nov. 29, 2007 | CENTA | P | 10,000 | $4.78 | $47,800 | 10,000 Indirect | · | Acquired | 796.4% (price as of 2026-10-02) |
| May 24, 2007 | CENTA | M | 5,924 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| May 24, 2007 | CENTA | M | 2,962 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| May 24, 2007 | CENTA | S | 5,924 | $13.72 | $81,277 | 18,168 Direct | -24.59% | Disposed | 212.3% (price as of 2026-10-02) |
| May 24, 2007 | CENTA | M | 5,924 | $11.23 | $66,527 | 24,092 Direct | +32.61% | Acquired | 281.6% (price as of 2026-10-02) |
| May 24, 2007 | CENTA | S | 2,962 | $14.61 | $43,275 | 10,225 Direct | -22.46% | Disposed | 193.3% (price as of 2026-10-02) |
| May 24, 2007 | CENTA | M | 2,962 | $11.30 | $33,471 | 13,187 Direct | +28.97% | Acquired | 279.2% (price as of 2026-10-02) |
| Feb. 12, 2007 | CENTA | A | 11,024 | · | · | 11,024 Direct | · | Acquired | (price as of 2026-10-02) |
| Feb. 12, 2007 | CENTA | A | 1,141 | · | · | 10,225 Direct | +12.56% | Acquired | (price as of 2026-10-02) |
| Aug. 7, 2006 | CENTA | M | 4,547 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| Aug. 7, 2006 | CENTA | S | 200 | $43.11 | $8,622 | 9,084 Direct | -2.15% | Disposed | -0.6% (price as of 2026-10-02) |
| Aug. 7, 2006 | CENTA | S | 4,347 | $43.10 | $187,356 | 9,284 Direct | -31.89% | Disposed | -0.6% (price as of 2026-10-02) |
| Aug. 7, 2006 | CENTA | M | 4,547 | $21.99 | $99,989 | 13,631 Direct | +50.06% | Acquired | 94.9% (price as of 2026-10-02) |
| Feb. 13, 2006 | CENTA | A | 2,896 | · | · | 2,896 Direct | · | Acquired | (price as of 2026-10-02) |
| Feb. 13, 2006 | CENTA | A | 311 | · | · | 9,084 Direct | +3.54% | Acquired | (price as of 2026-10-02) |
| Feb. 8, 2006 | CENTA | M | 3,175 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| Feb. 8, 2006 | CENTA | S | 750 | $48.30 | $36,225 | 8,773 Direct | -7.88% | Disposed | -11.3% (price as of 2026-10-02) |
| Feb. 8, 2006 | CENTA | S | 20 | $48.33 | $967 | 9,523 Direct | -0.21% | Disposed | -11.3% (price as of 2026-10-02) |
| Feb. 8, 2006 | CENTA | S | 730 | $48.43 | $35,354 | 9,543 Direct | -7.11% | Disposed | -11.5% (price as of 2026-10-02) |
| Feb. 8, 2006 | CENTA | S | 450 | $48.45 | $21,802 | 10,273 Direct | -4.20% | Disposed | -11.6% (price as of 2026-10-02) |
| Feb. 8, 2006 | CENTA | S | 925 | $48.47 | $44,835 | 10,723 Direct | -7.94% | Disposed | -11.6% (price as of 2026-10-02) |
| Feb. 8, 2006 | CENTA | S | 200 | $48.48 | $9,696 | 11,648 Direct | -1.69% | Disposed | -11.6% (price as of 2026-10-02) |
| Feb. 8, 2006 | CENTA | S | 100 | $48.50 | $4,850 | 11,848 Direct | -0.84% | Disposed | -11.6% (price as of 2026-10-02) |
| Feb. 8, 2006 | CENTA | M | 3,175 | $7.88 | $25,019 | 11,948 Direct | +36.19% | Acquired | 443.8% (price as of 2026-10-02) |
| Feb. 7, 2005 | CENTA | A | 230 | · | · | 8,773 Direct | +2.69% | Acquired | (price as of 2026-10-02) |
| Feb. 7, 2005 | CENTA | A | 2,295 | · | · | 2,295 Direct | · | Acquired | (price as of 2026-10-02) |
| May 20, 2004 | CENTA | M | 7,000 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| May 20, 2004 | CENTA | S | 7,000 | $37.19 | $260,330 | 8,543 Direct | -45.04% | Disposed | 15.2% (price as of 2026-10-02) |
| May 20, 2004 | CENTA | M | 7,000 | $7.22 | $50,540 | 15,543 Direct | +81.94% | Acquired | 493.5% (price as of 2026-10-02) |
| Feb. 9, 2004 | CENTA | A | 2,962 | · | · | 2,962 Direct | · | Acquired | (price as of 2026-10-02) |
| Feb. 9, 2004 | CENTA | A | 297 | · | · | 8,543 Direct | +3.60% | 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 |
|---|---|---|---|---|---|---|---|
| Feb. 11, 2008 | CENTA | Director Stock Option (right to buy) | Class A Common Stock | $4.94 | Aug. 11, 2011 | 28,341 | Acquired |
| May 24, 2007 | CENTA | Director Stock Option (right to buy) | Class A Common Stock | $11.23 | Aug. 9, 2007 | 5,924 | Disposed |
| May 24, 2007 | CENTA | Director Stock Option (right to buy) | Common Stock | $11.30 | Aug. 9, 2007 | 2,962 | Disposed |
| Feb. 12, 2007 | CENTA | Director Stock Option (right to buy) | Class A Common Stock | $12.70 | Aug. 12, 2010 | 11,024 | Acquired |
| Aug. 7, 2006 | CENTA | Director Stock Option (right to buy) | Common Stock | $21.99 | Aug. 10, 2006 | 4,547 | Disposed |
| Feb. 13, 2006 | CENTA | Director Stock Option | Common Stock | $48.35 | Aug. 13, 2009 | 2,896 | Acquired |
| Feb. 8, 2006 | CENTA | Director Stock Option (right to buy) | Common Stock | $7.88 | Feb. 12, 2006 | 3,175 | Disposed |
| Feb. 7, 2005 | CENTA | Director Stock Option (right to buy) | Common Stock | $43.58 | Aug. 7, 2008 | 2,295 | Acquired |
| May 20, 2004 | CENTA | Stock Option (right to buy) | Common Stock | $7.22 | Dec. 6, 2004 | 7,000 | Disposed |
| Feb. 9, 2004 | CENTA | Director Stock Option (right to buy) | Common Stock | $33.76 | Aug. 9, 2007 | 2,962 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).