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Robin Sanderford
Insider
First SEC filing: Oct. 29, 2014 · Latest: Oct. 29, 2014
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. 27, 2014 | DDS | A | 46 | $106.64 | $4,905 | 28,375 Direct | +0.16% | Acquired | |
| Sept. 29, 2014 | DDS | A | 54 | $112.73 | $6,087 | 28,329 Direct | +0.19% | Acquired | |
| Aug. 25, 2014 | DDS | A | 43 | $113.46 | $4,879 | 28,275 Direct | +0.15% | Acquired | |
| July 28, 2014 | DDS | A | 41 | $119.71 | $4,908 | 28,232 Direct | +0.15% | Acquired | |
| June 30, 2014 | DDS | A | 52 | $117.10 | $6,089 | 28,191 Direct | +0.18% | Acquired | |
| May 27, 2014 | DDS | A | 44 | $111.10 | $4,888 | 28,139 Direct | +0.16% | Acquired | |
| April 28, 2014 | DDS | A | 3 | $97.58 | $293 | 28,095 Direct | +0.01% | Acquired | |
| Jan. 31, 2014 | DDS | A | 323 | $88.18 | $28,482 | 28,092 Direct | +1.16% | Acquired | |
| Dec. 30, 2013 | DDS | A | 63 | $96.68 | $6,091 | 27,769 Direct | +0.23% | Acquired | |
| Nov. 25, 2013 | DDS | A | 53 | $91.09 | $4,828 | 27,706 Direct | +0.19% | Acquired | |
| Oct. 28, 2013 | DDS | A | 58 | $83.58 | $4,848 | 27,653 Direct | +0.21% | Acquired | |
| Sept. 30, 2013 | DDS | A | 77 | $78.68 | $6,058 | 27,595 Direct | +0.28% | Acquired | |
| Aug. 26, 2013 | DDS | A | 62 | $78.16 | $4,846 | 27,518 Direct | +0.23% | Acquired | |
| July 29, 2013 | DDS | A | 59 | $81.96 | $4,836 | 27,456 Direct | +0.22% | Acquired | |
| July 2, 2013 | DDS | A | 74 | $82.44 | $6,101 | 27,397 Direct | +0.27% | Acquired | |
| May 28, 2013 | DDS | A | 52 | $93.88 | $4,882 | 27,323 Direct | +0.19% | Acquired | |
| April 29, 2013 | DDS | A | 105 | $82.59 | $8,672 | 27,271 Direct | +0.39% | Acquired | |
| Feb. 1, 2013 | DDS | A | 326 | $85.31 | $27,811 | 27,166 Direct | +1.21% | Acquired | |
| Feb. 1, 2013 | DDS | A | 315 | $85.31 | $26,873 | 27,155 Direct | +1.17% | Acquired | |
| Dec. 28, 2012 | DDS | A | 88 | $81.19 | $7,145 | 26,840 Direct | +0.33% | Acquired | |
| Dec. 26, 2012 | DDS | A | 46 | $83.27 | $3,830 | 26,752 Direct | +0.17% | Acquired | |
| Nov. 19, 2012 | DDS | A | 56 | $84.48 | $4,731 | 26,706 Direct | +0.21% | Acquired | |
| Oct. 22, 2012 | DDS | A | 61 | $77.08 | $4,702 | 26,650 Direct | +0.23% | Acquired | |
| Sept. 24, 2012 | DDS | A | 78 | $76.24 | $5,947 | 26,589 Direct | +0.29% | Acquired | |
| Sept. 21, 2012 | DDS | S | 11,351 | $77.14 | $875,616 | 0 Direct | -100.00% | Disposed | |
| Aug. 20, 2012 | DDS | A | 63 | $75.28 | $4,743 | 26,511 Direct | +0.24% | Acquired | |
| July 23, 2012 | DDS | A | 74 | $63.97 | $4,734 | 26,448 Direct | +0.28% | Acquired | |
| June 25, 2012 | DDS | A | 92 | $64.38 | $5,923 | 26,374 Direct | +0.35% | Acquired | |
| May 31, 2012 | DDS | S | 13,295 | $67.67 | $899,673 | 26,282 Direct | -33.59% | Disposed | |
| May 30, 2012 | DDS | S | 21,705 | $68.64 | $1,489,831 | 39,577 Direct | -35.42% | Disposed | |
| May 18, 2012 | DDS | A | 73 | $64.83 | $4,733 | 61,282 Direct | +0.12% | Acquired | |
| April 23, 2012 | DDS | A | 114 | $63.32 | $7,218 | 61,209 Direct | +0.19% | Acquired | |
| Feb. 24, 2012 | DDS | A | 499 | $56.39 | $28,139 | 61,095 Direct | +0.82% | Acquired | |
| Jan. 31, 2012 | DDS | A | 1 | $44.57 | $45 | 60,596 Direct | 0.00% | Acquired | |
| Jan. 3, 2012 | DDS | A | 151 | $45.05 | $6,803 | 60,595 Direct | +0.25% | Acquired | |
| Nov. 21, 2011 | DDS | A | 93 | $48.71 | $4,530 | 60,444 Direct | +0.15% | Acquired | |
| Nov. 1, 2011 | DDS | A | 1 | $50.82 | $51 | 60,351 Direct | 0.00% | Acquired | |
| Oct. 24, 2011 | DDS | A | 87 | $52.02 | $4,526 | 60,350 Direct | +0.14% | Acquired | |
| Sept. 26, 2011 | DDS | A | 123 | $46.03 | $5,662 | 60,263 Direct | +0.20% | Acquired | |
| Aug. 22, 2011 | DDS | A | 112 | $40.48 | $4,534 | 60,140 Direct | +0.19% | Acquired | |
| July 25, 2011 | DDS | A | 76 | $59.40 | $4,514 | 60,028 Direct | +0.13% | Acquired | |
| July 13, 2011 | DDS | M | 50,000 | · | · | 0 Direct | -100.00% | Disposed | |
| July 13, 2011 | DDS | S | 50,000 | $58.76 | $2,938,000 | 59,952 Direct | -45.47% | Disposed | |
| July 13, 2011 | DDS | M | 50,000 | $25.74 | $1,287,000 | 109,952 Direct | +83.40% | Acquired | |
| June 27, 2011 | DDS | A | 109 | $51.84 | $5,651 | 59,952 Direct | +0.18% | Acquired | |
| May 23, 2011 | DDS | A | 86 | $52.71 | $4,533 | 59,843 Direct | +0.14% | Acquired | |
| May 18, 2011 | DDS | M | 50,000 | · | · | 50,000 Direct | -50.00% | Disposed | |
| May 18, 2011 | DDS | S | 50,000 | $53.66 | $2,683,000 | 59,757 Direct | -45.56% | Disposed | |
| May 18, 2011 | DDS | M | 50,000 | $25.74 | $1,287,000 | 109,757 Direct | +83.67% | Acquired | |
| April 25, 2011 | DDS | A | 147 | $45.82 | $6,736 | 59,757 Direct | +0.25% | Acquired | |
| March 4, 2011 | DDS | A | 628 | $39.52 | $24,819 | 59,610 Direct | +1.06% | Acquired | |
| Feb. 2, 2011 | DDS | A | 1 | $38.74 | $39 | 58,982 Direct | 0.00% | Acquired | |
| Dec. 31, 2010 | DDS | A | 172 | $37.93 | $6,524 | 58,981 Direct | +0.29% | Acquired | |
| Nov. 22, 2010 | DDS | A | 137 | $31.84 | $4,362 | 58,809 Direct | +0.23% | Acquired | |
| Nov. 2, 2010 | DDS | A | 2 | $25.68 | $51 | 58,672 Direct | 0.00% | Acquired | |
| Oct. 25, 2010 | DDS | A | 159 | $27.33 | $4,345 | 58,670 Direct | +0.27% | Acquired | |
| Sept. 27, 2010 | DDS | A | 228 | $23.91 | $5,451 | 58,511 Direct | +0.39% | Acquired | |
| Aug. 23, 2010 | DDS | A | 186 | $21.56 | $4,010 | 57,265 Direct | +0.33% | Acquired | |
| July 26, 2010 | DDS | A | 551 | $23.84 | $13,136 | 57,079 Direct | +0.97% | Acquired | |
| June 28, 2010 | DDS | A | 28 | $23.33 | $653 | 56,528 Direct | +0.05% | Acquired | |
| Feb. 1, 2010 | DDS | A | 1,245 | $16.54 | $20,592 | 56,500 Direct | +2.25% | Acquired | |
| Jan. 4, 2010 | DDS | A | 58 | $18.73 | $1,086 | 55,255 Direct | +0.11% | Acquired | |
| Dec. 30, 2009 | DDS | A | 287 | $18.95 | $5,439 | 55,197 Direct | +0.52% | Acquired | |
| Nov. 23, 2009 | DDS | A | 263 | $16.56 | $4,355 | 54,910 Direct | +0.48% | Acquired | |
| Nov. 3, 2009 | DDS | A | 3 | $13.37 | $40 | 54,647 Direct | +0.01% | Acquired | |
| Oct. 26, 2009 | DDS | A | 289 | $15.10 | $4,364 | 54,644 Direct | +0.53% | Acquired | |
| Sept. 28, 2009 | DDS | A | 371 | $14.68 | $5,446 | 54,355 Direct | +0.69% | Acquired | |
| Aug. 24, 2009 | DDS | A | 295 | $11.10 | $3,274 | 53,984 Direct | +0.55% | Acquired | |
| Aug. 3, 2009 | DDS | A | 102 | $10.69 | $1,090 | 53,689 Direct | +0.19% | Acquired | |
| July 28, 2009 | DDS | A | 571 | $9.47 | $5,407 | 53,587 Direct | +1.08% | Acquired | |
| Dec. 26, 2008 | DDS | A | 295 | $3.36 | $991 | 47,457 Direct | +0.63% | Acquired | |
| Dec. 19, 2008 | DDS | A | 244 | $4.06 | $991 | 47,162 Direct | +0.52% | Acquired | |
| Dec. 12, 2008 | DDS | A | 258 | $3.84 | $991 | 46,918 Direct | +0.55% | Acquired | |
| Dec. 5, 2008 | DDS | A | 265 | $3.74 | $991 | 46,660 Direct | +0.57% | Acquired | |
| Nov. 28, 2008 | DDS | A | 281 | $3.53 | $992 | 46,395 Direct | +0.61% | Acquired | |
| Nov. 21, 2008 | DDS | A | 476 | $2.91 | $1,385 | 46,114 Direct | +1.04% | Acquired | |
| Nov. 14, 2008 | DDS | A | 377 | $3.68 | $1,387 | 45,638 Direct | +0.83% | Acquired | |
| Nov. 7, 2008 | DDS | A | 285 | $4.87 | $1,388 | 45,261 Direct | +0.63% | Acquired | |
| Nov. 4, 2008 | DDS | A | 19 | $5.55 | $105 | 45 Direct | +73.08% | Acquired | |
| Oct. 31, 2008 | DDS | A | 264 | $5.26 | $1,389 | 44,957 Direct | +0.59% | Acquired | |
| Oct. 27, 2008 | DDS | A | 322 | $4.31 | $1,388 | 45 Direct | · | Acquired | |
| Oct. 17, 2008 | DDS | A | 209 | $6.65 | $1,390 | 44,371 Direct | +0.47% | Acquired | |
| Oct. 10, 2008 | DDS | A | 179 | $7.75 | $1,387 | 44,162 Direct | +0.41% | Acquired | |
| Oct. 3, 2008 | DDS | A | 123 | $11.29 | $1,389 | 43,983 Direct | +0.28% | Acquired | |
| Sept. 26, 2008 | DDS | A | 110 | $12.60 | $1,386 | 43,860 Direct | +0.25% | Acquired | |
| Sept. 19, 2008 | DDS | A | 103 | $13.47 | $1,387 | 43,750 Direct | +0.24% | Acquired | |
| Sept. 12, 2008 | DDS | A | 110 | $12.65 | $1,392 | 43,647 Direct | +0.25% | Acquired | |
| Sept. 4, 2008 | DDS | A | 105 | $13.21 | $1,387 | 43,537 Direct | +0.24% | Acquired | |
| Aug. 29, 2008 | DDS | A | 112 | $12.34 | $1,382 | 43,432 Direct | +0.26% | Acquired | |
| Aug. 22, 2008 | DDS | A | 123 | $11.30 | $1,390 | 43,320 Direct | +0.28% | Acquired | |
| Aug. 15, 2008 | DDS | A | 116 | $11.92 | $1,383 | 43,197 Direct | +0.27% | Acquired | |
| Aug. 14, 2008 | DDS | A | 123 | $11.29 | $1,389 | 43,081 Direct | +0.29% | Acquired | |
| Aug. 5, 2008 | DDS | A | 4 | $10.87 | $43 | 42,958 Direct | +0.01% | Acquired | |
| Aug. 1, 2008 | DDS | A | 136 | $10.16 | $1,382 | 42,954 Direct | +0.32% | Acquired | |
| Aug. 1, 2008 | DDS | A | 137 | $10.16 | $1,392 | 42,818 Direct | +0.32% | Acquired | |
| July 18, 2008 | DDS | A | 139 | $9.94 | $1,382 | 42,681 Direct | +0.33% | Acquired | |
| July 11, 2008 | DDS | A | 153 | $9.08 | $1,389 | 42,542 Direct | +0.36% | Acquired | |
| July 7, 2008 | DDS | A | 128 | $10.79 | $1,381 | 42,389 Direct | +0.30% | Acquired | |
| June 27, 2008 | DDS | A | 116 | $11.90 | $1,380 | 42,261 Direct | +0.28% | Acquired | |
| June 20, 2008 | DDS | A | 99 | $14.05 | $1,391 | 42,145 Direct | +0.24% | Acquired |
Showing latest 100 of 126 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 |
|---|---|---|---|---|---|---|---|
| July 13, 2011 | DDS | Common Class A | Common Class A | $25.74 | Jan. 24, 2016 | 50,000 | Disposed |
| May 18, 2011 | DDS | Common Class A | Common Class A | $25.74 | Jan. 24, 2016 | 50,000 | Disposed |
| Dec. 1, 2006 | DDS | Employee Stock Option | Common Class A | $27.19 | Dec. 15, 2007 | 3,177 | Disposed |
| Dec. 1, 2006 | DDS | Employee Stk Option | Common Class A | $10.44 | Dec. 15, 2007 | 116 | Disposed |
| Dec. 1, 2006 | DDS | Employee Stk Option | Common Class A | $24.01 | May 14, 2009 | 15,000 | Disposed |
| Dec. 1, 2006 | DDS | Employee Stock Option | Common Class A | $24.86 | Dec. 15, 2007 | 8,120 | Disposed |
| Jan. 24, 2006 | DDS | Employee Stock Option (right to buy) | Common Class A | $25.74 | Jan. 24, 2016 | 100,000 | Acquired |
| Nov. 23, 2004 | DDS | Common Class A | Common Class A | $18.12 | Dec. 10, 2004 | 40,000 | Disposed |
Exercise/conversion price is blank when not applicable (e.g. RSUs).