Stuart W Booth

CIK 1227131 · View on SEC EDGAR ↗

Insider

First SEC filing: Jan. 20, 2010 · Latest: Jan. 20, 2010

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Insider at

Insider transactions

0 buys (P) 0 sells (S) Net: $0 + 63 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

63 other filings hidden
Date Ticker Code Shares Price Value Owned after Δ own A/D vs now
Aug. 27, 2009 CENTA S 13,000 $11.88 $154,440 27,874 Direct -31.81% Disposed 310.8% (price as of 2026-08-19)
Aug. 26, 2009 CENTA S 5,417 $13.22 $71,613 6,000 Direct -47.45% Disposed 269.2% (price as of 2026-08-19)
Aug. 26, 2009 CENTA S 32,000 $11.93 $381,760 40,874 Direct -43.91% Disposed 309.1% (price as of 2026-08-19)
Aug. 25, 2009 CENTA S 12,000 $12.01 $144,120 72,874 Direct -14.14% Disposed 306.4% (price as of 2026-08-19)
Feb. 29, 2008 CENTA P 22,000 $4.55 $100,100 74,027 Direct +42.29% Acquired 972.7% (price as of 2026-08-19)
Nov. 29, 2007 CENTA P 28,300 $4.42 $125,086 52,027 Direct +119.27% Acquired 1004.2% (price as of 2026-08-19)
May 22, 2007 CENTA S 10b5-1 631 $14.75 $9,307 10,819 Direct -5.51% Disposed 230.9% (price as of 2026-08-19)
April 23, 2007 CENTA S 10b5-1 1,326 $14.75 $19,558 20,000 Direct -6.22% Disposed 230.9% (price as of 2026-08-19)
April 20, 2007 CENTA S 10b5-1 666 $14.75 $9,824 10,000 Direct -6.24% Disposed 230.9% (price as of 2026-08-19)
March 27, 2007 CENTA S 10b5-1 1,383 $14.79 $20,455 20,000 Direct -6.47% Disposed 230.0% (price as of 2026-08-19)
March 27, 2007 CENTA S 10b5-1 693 $14.92 $10,340 10,000 Direct -6.48% Disposed 227.1% (price as of 2026-08-19)
March 22, 2007 CENTA S 10b5-1 699 $14.75 $10,310 20,000 Direct -3.38% Disposed 230.9% (price as of 2026-08-19)
March 21, 2007 CENTA S 10b5-1 480 $14.75 $7,080 20,699 Direct -2.27% Disposed 230.9% (price as of 2026-08-19)
March 21, 2007 CENTA S 10b5-1 598 $14.75 $8,820 10,000 Direct -5.64% Disposed 230.9% (price as of 2026-08-19)
July 21, 2006 CENTA S 10b5-1 733 $37.51 $27,495 10,000 Direct -6.83% Disposed 30.1% (price as of 2026-08-19)
July 21, 2006 CENTA S 10b5-1 100 $37.53 $3,753 10,733 Direct -0.92% Disposed 30.0% (price as of 2026-08-19)
June 26, 2006 CENTA S 10b5-1 875 $41.83 $36,601 10,000 Direct -8.05% Disposed 16.7% (price as of 2026-08-19)
May 19, 2006 CENTA S 10b5-1 993 $44.31 $44,000 10,000 Direct -9.03% Disposed 10.1% (price as of 2026-08-19)
April 21, 2006 CENTA S 10b5-1 500 $50.71 $25,355 10,000 Direct -4.76% Disposed -3.8% (price as of 2026-08-19)
April 21, 2006 CENTA S 10b5-1 100 $50.70 $5,070 10,500 Direct -0.94% Disposed -3.7% (price as of 2026-08-19)
April 21, 2006 CENTA S 10b5-1 494 $50.20 $24,799 10,600 Direct -4.45% Disposed -2.8% (price as of 2026-08-19)
March 17, 2006 CENTA S 10b5-1 900 $52.31 $47,079 10,000 Direct -8.26% Disposed -6.7% (price as of 2026-08-19)
March 17, 2006 CENTA S 10b5-1 55 $52.30 $2,876 10,900 Direct -0.50% Disposed -6.7% (price as of 2026-08-19)
Jan. 18, 2006 CENTA S 10b5-1 3,000 $47.10 $141,300 10,000 Direct -23.08% Disposed 3.6% (price as of 2026-08-19)
Jan. 18, 2006 CENTA S 10b5-1 1,000 $47.35 $47,350 13,000 Direct -7.14% Disposed 3.1% (price as of 2026-08-19)
Jan. 18, 2006 CENTA S 10b5-1 1,000 $47.54 $47,540 14,000 Direct -6.67% Disposed 2.7% (price as of 2026-08-19)
Jan. 18, 2006 CENTA S 10b5-1 1,000 $47.50 $47,500 15,000 Direct -6.25% Disposed 2.8% (price as of 2026-08-19)
Jan. 18, 2006 CENTA S 10b5-1 1,000 $47.67 $47,670 16,000 Direct -5.88% Disposed 2.4% (price as of 2026-08-19)
Dec. 14, 2005 CENTA S 10b5-1 1,000 $45.68 $45,680 10,000 Direct -9.09% Disposed 6.8% (price as of 2026-08-19)
Dec. 14, 2005 CENTA S 10b5-1 1,000 $45.67 $45,670 11,000 Direct -8.33% Disposed 6.9% (price as of 2026-08-19)
Dec. 14, 2005 CENTA S 10b5-1 1,000 $45.62 $45,620 12,000 Direct -7.69% Disposed 7.0% (price as of 2026-08-19)
Dec. 14, 2005 CENTA S 10b5-1 1,500 $45.65 $68,475 13,000 Direct -10.34% Disposed 6.9% (price as of 2026-08-19)
Dec. 14, 2005 CENTA S 10b5-1 500 $45.67 $22,835 14,500 Direct -3.33% Disposed 6.9% (price as of 2026-08-19)
Dec. 14, 2005 CENTA S 10b5-1 2,000 $45.70 $91,400 15,000 Direct -11.76% Disposed 6.8% (price as of 2026-08-19)
Nov. 16, 2005 CENTA S 10b5-1 1,500 $41.84 $62,760 10,000 Direct -13.04% Disposed 16.6% (price as of 2026-08-19)
Nov. 16, 2005 CENTA S 10b5-1 500 $41.84 $20,920 11,500 Direct -4.17% Disposed 16.6% (price as of 2026-08-19)
Nov. 16, 2005 CENTA S 10b5-1 2,000 $41.80 $83,600 12,000 Direct -14.29% Disposed 16.8% (price as of 2026-08-19)

Showing latest 100 of 156 transactions

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
June 4, 2010 CENTA Stock Option (right to buy) Class A Common Stock (38,000) $8.99 June 4, 2016 38,000 Acquired
Jan. 15, 2010 CENTA Stock Option (right to buy) Class A Common Stock (75,000) $9.41 April 14, 2015 75,000 Acquired
March 4, 2008 CENTA Stock Option (right to buy) Class A Common Stock (80,000) $4.60 March 4, 2014 80,000 Acquired
June 5, 2007 CENTA Stock Option (right to buy) Class A Common Stock (6,000) $8.67 June 16, 2007 6,000 Disposed
June 5, 2007 CENTA Stock Option (right to buy) Common Stock (3,000) $8.74 June 16, 2007 3,000 Disposed
May 23, 2007 CENTA Stock Option (Right to Buy) [F1] Class A Common Stock (27,000) $13.83 May 23, 2015 27,000 Acquired
May 21, 2007 CENTA Stock Option (right to buy) Class A Common Stock (6,000) $8.67 June 16, 2007 6,000 Disposed
May 21, 2007 CENTA Stock Option (right to buy) Common Stock (3,000) $8.74 June 16, 2007 3,000 Disposed
May 14, 2007 CENTA Stock Option (right to buy) Class A Common Stock (6,000) $7.23 Feb. 10, 2011 6,000 Disposed
May 14, 2007 CENTA Stock Option (right to buy) Common Stock (3,000) $7.28 Feb. 10, 2011 3,000 Disposed
April 19, 2007 CENTA Stock Option (right to buy) Class A Common Stock (6,000) $8.67 June 16, 2007 6,000 Disposed
April 19, 2007 CENTA Stock Option (right to buy) Common Stock (3,000) $8.74 June 16, 2007 3,000 Disposed
March 26, 2007 CENTA Stock Option (right to buy) Class A Common Stock (6,000) $8.67 June 16, 2007 6,000 Disposed
March 26, 2007 CENTA Stock Option (right to buy) Common Stock (3,000) $8.74 June 16, 2007 3,000 Disposed
March 15, 2007 CENTA Stock Option (right to buy) Class A Common Stock (6,000) $8.67 June 16, 2007 6,000 Disposed
March 15, 2007 CENTA Stock Option (right to buy) Common Stock (3,000) $8.74 June 16, 2007 3,000 Disposed
July 20, 2006 CENTA Stock Option (right to buy) Common Stock (3,000) $21.74 Aug. 11, 2006 3,000 Disposed
June 22, 2006 CENTA Stock Option (right to buy) Common Stock (3,000) $21.74 Aug. 11, 2006 3,000 Disposed
May 18, 2006 CENTA Stock Option (right to buy) Common Stock (3,000) $21.74 Aug. 11, 2006 3,000 Disposed
April 20, 2006 CENTA Stock Option (right to buy) Common Stock (3,000) $21.74 Aug. 11, 2006 3,000 Disposed
March 16, 2006 CENTA Stock Option (right to buy) Common Stock (3,000) $21.74 Aug. 11, 2006 3,000 Disposed
Jan. 18, 2006 CENTA Stock Option (right to buy) Common Stock (7,000) $7.64 Jan. 31, 2006 7,000 Disposed
Dec. 14, 2005 CENTA Stock Option (right to buy) [F4] Common Stock (13,000) $45.44 Dec. 14, 2013 13,000 Acquired
Dec. 14, 2005 CENTA Stock Option (right to buy) Common Stock (7,000) $7.64 Jan. 31, 2006 7,000 Disposed
Nov. 16, 2005 CENTA Stock Option (right to buy) Common Stock (7,000) $7.64 Jan. 31, 2006 7,000 Disposed
Oct. 19, 2005 CENTA Stock Option (right to buy) Common Stock (7,000) $7.64 Jan. 31, 2006 7,000 Disposed
Sept. 21, 2005 CENTA Stock Option (right to buy) Common Stock (7,000) $7.64 Jan. 31, 2006 7,000 Disposed
Aug. 17, 2005 CENTA Stock Option (right to buy) Common Stock (4,000) $7.64 Jan. 31, 2006 4,000 Disposed
July 20, 2005 CENTA Stock Option (right to buy) Common Stock (4,000) $7.64 Jan. 31, 2006 4,000 Disposed
June 15, 2005 CENTA Stock Option (right to buy) Common Stock (4,000) $7.64 Jan. 31, 2006 4,000 Disposed
May 17, 2005 CENTA Stock Option (right to buy) Common Stock (3,000) $7.64 Jan. 31, 2006 3,000 Disposed
Dec. 9, 2004 CENTA Stock Option (right to buy) [F1] Common Stock (10,000) $38.58 Dec. 9, 2013 10,000 Acquired
Dec. 16, 2003 CENTA Stock Option (right to buy) [F1] Common Stock (15,000) $26.08 June 16, 2007 15,000 Acquired

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

Initial ownership (Form 3) 10 holdings

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

Date Ticker Security Shares Ownership
Jan. 20, 2010 CENTA Common Stock 4,000 Direct
Jan. 20, 2010 CENTA Class A Common Stock 23,874 Direct
Jan. 20, 2010 CENTA Stock Option (Right to Buy)→ Common Stock — Direct
Jan. 20, 2010 CENTA Stock Option (Right to Buy)→ Common Stock — Direct
Jan. 20, 2010 CENTA Stock Option (Right to Buy)→ Common Stock — Direct
Jan. 20, 2010 CENTA Stock Option (Right to Buy)→ Class A Common Stock — Direct
Jan. 20, 2010 CENTA Stock Option (Right to Buy)→ Class A Common Stock — Direct
Jan. 20, 2010 CENTA Stock Option (Right to Buy)→ Class A Common Stock — Direct
Jan. 20, 2010 CENTA Stock Option (Right to Buy)→ Class A Common Stock — Direct
Jan. 20, 2010 CENTA Stock Option (Right to Buy)→ Class A Common Stock — Direct

Compensation (DEF 14A)

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

CENTA

Fiscal year Salary Bonus Stock awards Option awards Non-equity incentive Pension change Other Total
2007 $375,673 — — — — $3,962 $35,695 $551,738
2002 $196,154 — — — — — — —

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