Albert Yc Yu
CIK 1320023 · View on SEC EDGAR ↗
Insider
First SEC filing: Nov. 29, 2010 · Latest: Nov. 29, 2010
On this page
Insider at
Insider transactions
0 buys (P)
0 sells (S)
Net:
$0
+ 36 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
36 other filings hidden
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| Nov. 26, 2010 | PDFS | S | 400 | $4.10 | $1,640 | 16,516 Direct | -2.36% | Disposed | 1006.6% (price as of 2026-08-20) |
| Nov. 24, 2010 | PDFS | S | 1,000 | $4.03 | $4,030 | 16,916 Direct | -5.58% | Disposed | 1025.8% (price as of 2026-08-20) |
| Nov. 5, 2010 | PDFS | S | 813 | $4.10 | $3,333 | 17,916 Direct | -4.34% | Disposed | 1006.6% (price as of 2026-08-20) |
| Nov. 4, 2010 | PDFS | S | 1,000 | $4.05 | $4,050 | 18,729 Direct | -5.07% | Disposed | 1020.2% (price as of 2026-08-20) |
| Nov. 4, 2010 | PDFS | S | 1,000 | $4.03 | $4,030 | 19,729 Direct | -4.82% | Disposed | 1025.8% (price as of 2026-08-20) |
| April 27, 2010 | PDFS | S | 800 | $4.82 | $3,856 | 20,729 Direct | -3.72% | Disposed | 841.3% (price as of 2026-08-20) |
| April 27, 2010 | PDFS | S | 100 | $4.84 | $484 | 21,529 Direct | -0.46% | Disposed | 837.4% (price as of 2026-08-20) |
| April 27, 2010 | PDFS | S | 1,612 | $4.85 | $7,818 | 21,629 Direct | -6.94% | Disposed | 835.5% (price as of 2026-08-20) |
| April 27, 2010 | PDFS | S | 300 | $4.86 | $1,458 | 23,241 Direct | -1.27% | Disposed | 833.5% (price as of 2026-08-20) |
| Feb. 16, 2010 | PDFS | S | 300 | $3.95 | $1,185 | 0 Direct | -100.00% | Disposed | 1048.6% (price as of 2026-08-20) |
| Feb. 16, 2010 | PDFS | S | 400 | $3.93 | $1,572 | 300 Direct | -57.14% | Disposed | 1054.5% (price as of 2026-08-20) |
| Feb. 16, 2010 | PDFS | S | 100 | $3.91 | $391 | 700 Direct | -12.50% | Disposed | 1060.4% (price as of 2026-08-20) |
| Feb. 16, 2010 | PDFS | S | 1,045 | $3.90 | $4,076 | 800 Direct | -56.64% | Disposed | 1063.3% (price as of 2026-08-20) |
| Feb. 16, 2010 | PDFS | S | 600 | $3.90 | $2,340 | 1,845 Direct | -24.54% | Disposed | 1063.3% (price as of 2026-08-20) |
| May 20, 2009 | PDFS | S | 100 | $1.73 | $173 | 14,736 Direct | -0.67% | Disposed | 2522.5% (price as of 2026-08-20) |
| May 20, 2009 | PDFS | S | 100 | $1.72 | $172 | 14,836 Direct | -0.67% | Disposed | 2537.8% (price as of 2026-08-20) |
| May 20, 2009 | PDFS | S | 1,047 | $1.71 | $1,790 | 14,936 Direct | -6.55% | Disposed | 2553.2% (price as of 2026-08-20) |
| May 20, 2009 | PDFS | S | 1,200 | $1.70 | $2,040 | 15,983 Direct | -6.98% | Disposed | 2568.8% (price as of 2026-08-20) |
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 |
|---|---|---|---|---|---|---|---|
| May 18, 2010 | PDFS | 2001 Stock Plan Option (right to buy) | Common Stock (20,000) | $4.82 | May 18, 2020 | 20,000 | Acquired |
| Dec. 16, 2009 | PDFS | 2001 Stock Plan Option (Right to Buy) | Common Stock (22,500) | $5.40 | May 21, 2018 | 22,500 | Disposed |
| July 31, 2009 | PDFS | 2001 Stock Plan Option (right to buy) | Common Stock (22,500) | $2.30 | July 30, 2019 | 22,500 | Acquired |
| Aug. 19, 2008 | PDFS | Restricted Stock Right | Common Stock (514) | — | — | 514 | Acquired |
| Aug. 19, 2008 | PDFS | 2001 Stock Plan Option (right to buy) | Common Stock (2,158) | $12.26 | July 19, 2017 | 2,158 | Disposed |
| Aug. 19, 2008 | PDFS | Restricted Stock Right | Common Stock (1,191) | — | — | 1,191 | Acquired |
| Aug. 19, 2008 | PDFS | 2001 Stock Plan Option (right to buy) | Common Stock (5,000) | $10.35 | June 5, 2017 | 5,000 | Disposed |
| Aug. 19, 2008 | PDFS | Restricted Stock Right | Common Stock (3,572) | — | — | 3,572 | Acquired |
| Aug. 19, 2008 | PDFS | 2001 Stock Plan Option (right to buy) | Common Stock (15,000) | $10.43 | May 29, 2017 | 15,000 | Disposed |
| Aug. 19, 2008 | PDFS | Restricted Stock Right | Common Stock (1,191) | — | — | 1,191 | Acquired |
| Aug. 19, 2008 | PDFS | 2001 Stock Plan Option (right to buy) | Common Stock (5,000) | $11.49 | Feb. 1, 2017 | 5,000 | Disposed |
| Aug. 19, 2008 | PDFS | Restricted Stock Right | Common Stock (3,572) | — | — | 3,572 | Acquired |
| Aug. 19, 2008 | PDFS | 2001 Stock Plan Option (Right to Buy) | Common Stock (15,000) | $13.60 | May 23, 2016 | 15,000 | Disposed |
| Aug. 19, 2008 | PDFS | Restricted Stock Right | Common Stock (7,143) | — | — | 7,143 | Acquired |
| Aug. 19, 2008 | PDFS | 2001 Stock Plan Option (Right to Buy) | Common Stock (30,000) | $16.00 | July 31, 2015 | 30,000 | Disposed |
| Aug. 18, 2008 | PDFS | Restricted Stock Right | Common Stock (514) | — | — | 514 | Acquired |
| Aug. 18, 2008 | PDFS | 2001 Stock Plan Option (right to buy) | Common Stock (2,158) | $12.26 | July 19, 2017 | 2,158 | Disposed |
| Aug. 18, 2008 | PDFS | Restricted Stock Right | Common Stock (1,191) | — | — | 1,191 | Acquired |
| Aug. 18, 2008 | PDFS | 2001 Stock Plan Option (right to buy) | Common Stock (5,000) | $10.35 | June 5, 2017 | 5,000 | Disposed |
| Aug. 18, 2008 | PDFS | Restricted Stock Right | Common Stock (3,572) | — | — | 3,572 | Acquired |
| Aug. 18, 2008 | PDFS | 2001 Stock Plan Option (right to buy) | Common Stock (15,000) | $10.43 | May 29, 2017 | 15,000 | Disposed |
| Aug. 18, 2008 | PDFS | Restricted Stock Right | Common Stock (1,191) | — | — | 1,191 | Acquired |
| Aug. 18, 2008 | PDFS | 2001 Stock Plan Option (right to buy) | Common Stock (5,000) | $11.49 | Feb. 1, 2017 | 5,000 | Disposed |
| Aug. 18, 2008 | PDFS | Restricted Stock Right | Common Stock (3,572) | — | — | 3,572 | Acquired |
| Aug. 18, 2008 | PDFS | 2001 Stock Plan Option (Right to Buy) | Common Stock (15,000) | $13.60 | May 23, 2016 | 15,000 | Disposed |
| Aug. 18, 2008 | PDFS | Restricted Stock Right | Common Stock (7,143) | — | — | 7,143 | Acquired |
| Aug. 18, 2008 | PDFS | 2001 Stock Plan Option (Right to Buy) | Common Stock (30,000) | $16.00 | July 31, 2015 | 30,000 | Disposed |
| May 22, 2008 | PDFS | 2001 Stock Plan Option (right to buy) | Common Stock (22,500) | $5.40 | May 21, 2018 | 22,500 | Acquired |
| July 20, 2007 | PDFS | 2001 Stock Plan Option (right to buy) | Common Stock (2,158) | — | July 19, 2017 | 2,158 | Acquired |
| July 20, 2007 | PDFS | 2001 Stock Plan Option (right to buy) | Common Stock (2,158) | $12.12 | July 19, 2017 | 2,158 | Acquired |
| June 6, 2007 | PDFS | 2001 Stock Plan Option (right to buy) | Common Stock (5,000) | $10.35 | June 5, 2017 | 5,000 | Acquired |
| May 30, 2007 | PDFS | 2001 Stock Plan Option (right to buy) | Common Stock (15,000) | $10.43 | May 29, 2017 | 15,000 | Acquired |
| Feb. 2, 2007 | PDFS | 2001 Stock Plan Option (right to buy) | Common Stock (5,000) | $11.49 | Feb. 1, 2017 | 5,000 | Acquired |
| May 24, 2006 | PDFS | 2001 Stock Plan Option (Right to Buy) | Common Stock (15,000) | $13.60 | May 23, 2016 | 15,000 | Acquired |
| Aug. 1, 2005 | PDFS | 2001 Stock Plan Option (Right to Buy) | Common Stock (30,000) | $16.00 | July 31, 2015 | 30,000 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).