Wayne Chang
Insider
First SEC filing: Jan. 26, 2009 · Latest: Jan. 26, 2009
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. 19, 2015 | SD | A | 95,998 | $2.37 | $227,515 | 95,998 Direct | · | Acquired | 474.7% (price as of 2026-10-02) |
| Feb. 15, 2015 | SD | F | 4,235 | $2.09 | $8,851 | 321,624 Direct | -1.30% | Disposed | 551.7% (price as of 2026-10-02) |
| Jan. 15, 2015 | SD | F | 3,554 | $1.21 | $4,300 | 325,859 Direct | -1.08% | Disposed | 1025.6% (price as of 2026-10-02) |
| Jan. 14, 2015 | SD | F | 3,554 | $1.28 | $4,549 | 329,413 Direct | -1.07% | Disposed | 964.1% (price as of 2026-10-02) |
| Jan. 13, 2015 | SD | F | 3,554 | $1.34 | $4,762 | 332,967 Direct | -1.06% | Disposed | 916.4% (price as of 2026-10-02) |
| Jan. 2, 2015 | SD | A | 5,936 | $1.77 | $10,507 | 336,521 Direct | +1.80% | Acquired | 669.5% (price as of 2026-10-02) |
| Oct. 1, 2014 | SD | A | 2,524 | $4.16 | $10,500 | 330,585 Direct | +0.77% | Acquired | 227.4% (price as of 2026-10-02) |
| Sept. 12, 2014 | SD | P | 10,088 | $4.96 | $50,036 | 15,793 Indirect | +176.83% | Acquired | 174.6% (price as of 2026-10-02) |
| July 13, 2014 | SD | F | 3,057 | $6.58 | $20,115 | 328,061 Direct | -0.92% | Disposed | 107.0% (price as of 2026-10-02) |
| July 9, 2014 | SD | F | 1,698 | $6.97 | $11,835 | 331,118 Direct | -0.51% | Disposed | 95.4% (price as of 2026-10-02) |
| July 8, 2014 | SD | F | 3,057 | $6.97 | $21,307 | 332,816 Direct | -0.91% | Disposed | 95.4% (price as of 2026-10-02) |
| July 1, 2014 | SD | A | 1,271 | $7.08 | $8,999 | 335,873 Direct | +0.38% | Acquired | 92.4% (price as of 2026-10-02) |
| April 1, 2014 | SD | A | 11,745 | $6.15 | $72,232 | 334,602 Direct | +3.64% | Acquired | 121.5% (price as of 2026-10-02) |
| Feb. 15, 2014 | SD | A | 44,696 | · | · | 322,857 Direct | +16.07% | Acquired | (price as of 2026-10-02) |
| Jan. 15, 2014 | SD | F | 2,994 | $5.94 | $17,784 | 278,161 Direct | -1.06% | Disposed | 129.3% (price as of 2026-10-02) |
| Jan. 14, 2014 | SD | F | 3,121 | $5.96 | $18,601 | 281,155 Direct | -1.10% | Disposed | 128.5% (price as of 2026-10-02) |
| Jan. 13, 2014 | SD | F | 3,554 | $5.91 | $21,004 | 284,276 Direct | -1.23% | Disposed | 130.5% (price as of 2026-10-02) |
| Jan. 8, 2014 | SD | F | 1,185 | $5.78 | $6,849 | 287,830 Direct | -0.41% | Disposed | 135.6% (price as of 2026-10-02) |
| Jan. 2, 2014 | SD | A | 2,224 | $5.95 | $13,233 | 289,015 Direct | +0.78% | Acquired | 128.9% (price as of 2026-10-02) |
| Oct. 1, 2013 | SD | A | 7,174 | $6.14 | $44,048 | 286,791 Direct | +2.57% | Acquired | 121.8% (price as of 2026-10-02) |
| July 13, 2013 | SD | F | 3,057 | $4.87 | $14,888 | 279,617 Direct | -1.08% | Disposed | 179.7% (price as of 2026-10-02) |
| July 10, 2013 | SD | F | 815 | $5.05 | $4,116 | 282,674 Direct | -0.29% | Disposed | 169.7% (price as of 2026-10-02) |
| July 9, 2013 | SD | F | 1,698 | $4.90 | $8,320 | 283,489 Direct | -0.60% | Disposed | 178.0% (price as of 2026-10-02) |
| July 8, 2013 | SD | F | 3,057 | $4.87 | $14,888 | 285,187 Direct | -1.06% | Disposed | 179.7% (price as of 2026-10-02) |
| July 1, 2013 | SD | A | 2,753 | $4.80 | $13,214 | 288,244 Direct | +0.96% | Acquired | 183.8% (price as of 2026-10-02) |
| April 5, 2013 | SD | P | 10,000 | $4.99 | $49,900 | 285,491 Direct | +3.63% | Acquired | 172.9% (price as of 2026-10-02) |
| April 1, 2013 | SD | A | 4,035 | $5.22 | $21,063 | 275,491 Direct | +1.49% | Acquired | 160.9% (price as of 2026-10-02) |
| Jan. 15, 2013 | SD | A | 37,500 | · | · | 271,456 Direct | +16.03% | Acquired | (price as of 2026-10-02) |
| Jan. 14, 2013 | SD | F | 3,056 | $6.66 | $20,353 | 233,956 Direct | -1.29% | Disposed | 104.5% (price as of 2026-10-02) |
| Jan. 13, 2013 | SD | F | 3,056 | $6.86 | $20,964 | 237,012 Direct | -1.27% | Disposed | 98.5% (price as of 2026-10-02) |
| Jan. 9, 2013 | SD | F | 816 | $6.93 | $5,655 | 240,068 Direct | -0.34% | Disposed | 96.5% (price as of 2026-10-02) |
| Jan. 8, 2013 | SD | F | 1,019 | $6.97 | $7,102 | 240,884 Direct | -0.42% | Disposed | 95.4% (price as of 2026-10-02) |
| Jan. 2, 2013 | SD | A | 2,059 | $6.42 | $13,219 | 241,903 Direct | +0.86% | Acquired | 112.1% (price as of 2026-10-02) |
| Oct. 7, 2012 | SD | F | 397 | $7.27 | $2,886 | 239,844 Direct | -0.17% | Disposed | 87.3% (price as of 2026-10-02) |
| Oct. 1, 2012 | SD | A | 6,247 | $7.06 | $44,104 | 240,241 Direct | +2.67% | Acquired | 92.9% (price as of 2026-10-02) |
| July 13, 2012 | SD | A | 37,500 | · | · | 233,994 Direct | +19.08% | Acquired | (price as of 2026-10-02) |
| July 11, 2012 | SD | F | 397 | $6.16 | $2,446 | 196,494 Direct | -0.20% | Disposed | 121.1% (price as of 2026-10-02) |
| July 10, 2012 | SD | F | 793 | $6.10 | $4,837 | 196,891 Direct | -0.40% | Disposed | 123.3% (price as of 2026-10-02) |
| July 9, 2012 | SD | F | 1,651 | $6.41 | $10,583 | 197,684 Direct | -0.83% | Disposed | 112.5% (price as of 2026-10-02) |
| July 8, 2012 | SD | F | 2,972 | $6.43 | $19,110 | 199,335 Direct | -1.47% | Disposed | 111.8% (price as of 2026-10-02) |
| July 2, 2012 | SD | A | 2,023 | $6.54 | $13,230 | 202,307 Direct | +1.01% | Acquired | 108.3% (price as of 2026-10-02) |
| April 2, 2012 | SD | A | 2,689 | $8.00 | $21,512 | 200,284 Direct | +1.36% | Acquired | 70.2% (price as of 2026-10-02) |
| Jan. 14, 2012 | SD | F | 2,972 | $8.05 | $23,925 | 197,595 Direct | -1.48% | Disposed | 69.2% (price as of 2026-10-02) |
| Jan. 13, 2012 | SD | A | 37,500 | · | · | 200,567 Direct | +23.00% | Acquired | (price as of 2026-10-02) |
| Jan. 11, 2012 | SD | F | 318 | $8.47 | $2,693 | 163,067 Direct | -0.19% | Disposed | 60.8% (price as of 2026-10-02) |
| Jan. 9, 2012 | SD | F | 897 | $8.50 | $7,624 | 163,385 Direct | -0.55% | Disposed | 60.2% (price as of 2026-10-02) |
| Jan. 8, 2012 | SD | F | 1,122 | $8.54 | $9,582 | 164,282 Direct | -0.68% | Disposed | 59.5% (price as of 2026-10-02) |
| Jan. 3, 2012 | SD | A | 1,542 | $8.30 | $12,799 | 165,404 Direct | +0.94% | Acquired | 64.1% (price as of 2026-10-02) |
| Oct. 7, 2011 | SD | F | 400 | $6.11 | $2,444 | 163,862 Direct | -0.24% | Disposed | 122.9% (price as of 2026-10-02) |
| Oct. 3, 2011 | SD | A | 8,409 | $5.07 | $42,634 | 164,262 Direct | +5.40% | Acquired | 168.6% (price as of 2026-10-02) |
| July 11, 2011 | SD | F | 400 | $10.28 | $4,112 | 156,093 Direct | -0.26% | Disposed | 32.5% (price as of 2026-10-02) |
| July 11, 2011 | SD | F | 240 | $10.28 | $2,467 | 155,853 Direct | -0.15% | Disposed | 32.5% (price as of 2026-10-02) |
| July 10, 2011 | SD | F | 799 | $10.83 | $8,653 | 156,493 Direct | -0.51% | Disposed | 25.8% (price as of 2026-10-02) |
| July 9, 2011 | SD | F | 1,665 | $10.83 | $18,032 | 157,292 Direct | -1.05% | Disposed | 25.8% (price as of 2026-10-02) |
| July 8, 2011 | SD | A | 37,500 | · | · | 158,957 Direct | +30.88% | Acquired | (price as of 2026-10-02) |
| July 1, 2011 | SD | A | 1,171 | $10.55 | $12,354 | 121,457 Direct | +0.97% | Acquired | 29.1% (price as of 2026-10-02) |
| April 1, 2011 | SD | A | 1,495 | $13.01 | $19,450 | 120,286 Direct | +1.26% | Acquired | 4.7% (price as of 2026-10-02) |
| March 1, 2011 | SD | S | 11,591 | $10.83 | $125,531 | 118,791 Direct | -8.89% | Disposed | 25.8% (price as of 2026-10-02) |
| March 1, 2011 | SD | S | 7,956 | $11.00 | $87,516 | 0 Indirect | -100.00% | Disposed | 23.8% (price as of 2026-10-02) |
| Feb. 28, 2011 | SD | F | 400 | $10.81 | $4,324 | 130,382 Direct | -0.31% | Disposed | 26.0% (price as of 2026-10-02) |
| Jan. 14, 2011 | SD | A | 37,500 | · | · | 130,782 Direct | +40.20% | Acquired | (price as of 2026-10-02) |
| Jan. 11, 2011 | SD | F | 362 | $7.80 | $2,824 | 93,282 Direct | -0.39% | Disposed | 74.6% (price as of 2026-10-02) |
| Jan. 9, 2011 | SD | F | 904 | $7.81 | $7,060 | 93,644 Direct | -0.96% | Disposed | 74.4% (price as of 2026-10-02) |
| Jan. 8, 2011 | SD | F | 1,130 | $7.81 | $8,825 | 94,548 Direct | -1.18% | Disposed | 74.4% (price as of 2026-10-02) |
| Jan. 3, 2011 | SD | A | 1,607 | $7.54 | $12,117 | 95,678 Direct | +1.71% | Acquired | 80.6% (price as of 2026-10-02) |
| Oct. 7, 2010 | SD | F | 399 | $5.69 | $2,270 | 94,071 Direct | -0.42% | Disposed | 139.4% (price as of 2026-10-02) |
| Oct. 5, 2010 | SD | A | 6,880 | $5.87 | $40,386 | 94,470 Direct | +7.85% | Acquired | 132.0% (price as of 2026-10-02) |
| Aug. 24, 2010 | SD | P | 10,000 | $4.03 | $40,300 | 87,590 Direct | +12.89% | Acquired | 238.0% (price as of 2026-10-02) |
| July 20, 2010 | SD | F | 3,438 | $6.43 | $22,106 | 77,590 Direct | -4.24% | Disposed | 111.8% (price as of 2026-10-02) |
| July 11, 2010 | SD | F | 399 | $6.26 | $2,498 | 81,267 Direct | -0.49% | Disposed | 117.6% (price as of 2026-10-02) |
| July 11, 2010 | SD | F | 239 | $6.26 | $1,496 | 81,028 Direct | -0.29% | Disposed | 117.6% (price as of 2026-10-02) |
| July 10, 2010 | SD | F | 798 | $6.26 | $4,995 | 81,666 Direct | -0.97% | Disposed | 117.6% (price as of 2026-10-02) |
| July 9, 2010 | SD | A | 20,833 | · | · | 82,464 Direct | +33.80% | Acquired | (price as of 2026-10-02) |
| July 6, 2010 | SD | A | 2,053 | $5.90 | $12,113 | 61,631 Direct | +3.45% | Acquired | 130.8% (price as of 2026-10-02) |
| April 5, 2010 | SD | A | 3,121 | $7.58 | $23,657 | 59,578 Direct | +5.53% | Acquired | 79.7% (price as of 2026-10-02) |
| Feb. 28, 2010 | SD | F | 399 | $7.94 | $3,168 | 56,457 Direct | -0.70% | Disposed | 71.5% (price as of 2026-10-02) |
| Jan. 11, 2010 | SD | F | 319 | $10.34 | $3,298 | 56,856 Direct | -0.56% | Disposed | 31.7% (price as of 2026-10-02) |
| Jan. 9, 2010 | SD | F | 798 | $10.84 | $8,650 | 57,175 Direct | -1.38% | Disposed | 25.6% (price as of 2026-10-02) |
| Jan. 8, 2010 | SD | A | 12,500 | · | · | 57,973 Direct | +27.49% | Acquired | (price as of 2026-10-02) |
| Jan. 4, 2010 | SD | A | 1,060 | $10.12 | $10,727 | 45,473 Direct | +2.39% | Acquired | 34.6% (price as of 2026-10-02) |
| Oct. 12, 2009 | SD | S | 1,000 | $13.61 | $13,610 | 45,413 Direct | -2.15% | Disposed | 0.1% (price as of 2026-10-02) |
| Oct. 12, 2009 | SD | S | 1,000 | $13.60 | $13,600 | 44,413 Direct | -2.20% | Disposed | 0.1% (price as of 2026-10-02) |
| Oct. 7, 2009 | SD | A | 2,386 | $13.08 | $31,209 | 46,812 Direct | +5.37% | Acquired | 4.1% (price as of 2026-10-02) |
| Oct. 7, 2009 | SD | F | 399 | $13.08 | $5,219 | 46,413 Direct | -0.85% | Disposed | 4.1% (price as of 2026-10-02) |
| July 11, 2009 | SD | F | 239 | $8.77 | $2,096 | 44,825 Direct | -0.53% | Disposed | 55.3% (price as of 2026-10-02) |
| July 11, 2009 | SD | F | 399 | $8.77 | $3,499 | 44,426 Direct | -0.89% | Disposed | 55.3% (price as of 2026-10-02) |
| July 10, 2009 | SD | A | 10,000 | · | · | 45,064 Direct | +28.52% | Acquired | (price as of 2026-10-02) |
| July 9, 2009 | SD | S | 1,000 | $8.20 | $8,200 | 36,596 Direct | -2.66% | Disposed | 66.1% (price as of 2026-10-02) |
| July 9, 2009 | SD | S | 332 | $8.62 | $2,862 | 36,264 Direct | -0.91% | Disposed | 58.0% (price as of 2026-10-02) |
| July 9, 2009 | SD | S | 1,200 | $8.62 | $10,344 | 35,064 Direct | -3.31% | Disposed | 58.0% (price as of 2026-10-02) |
| July 1, 2009 | SD | A | 1,409 | $8.61 | $12,131 | 37,596 Direct | +3.89% | Acquired | 58.2% (price as of 2026-10-02) |
| March 30, 2009 | SD | A | 1,819 | $6.57 | $11,951 | 36,187 Direct | +5.29% | Acquired | 107.3% (price as of 2026-10-02) |
| Feb. 28, 2009 | SD | F | 399 | $6.76 | $2,697 | 34,368 Direct | -1.15% | Disposed | 101.5% (price as of 2026-10-02) |
| Jan. 11, 2009 | SD | F | 319 | $7.85 | $2,504 | 34,767 Direct | -0.91% | Disposed | 73.5% (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 |
|---|---|---|---|---|---|---|---|
| Feb. 19, 2015 | SD | Common Stock | Common Stock | · | · | 95,998 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
Initial ownership (Form 3) 3 holdings
Securities held when first becoming an insider, per SEC Form 3.