SEC CIK 1320023
Yu Albert YC
Reported ownership across 1 company, sourced from SEC Form 4 filings and updated daily.
Current Positions
| Company | Shares Owned | As Of |
|---|---|---|
| PDFSview stock → | 16,414 | 2014-02-20 |
Position History — PDFS
Reported shares owned immediately after each Form 4 transaction, over time.
Recent Filings — PDFS
| Date | Activity | Shares | Price | Owned After |
|---|---|---|---|---|
| 2014-02-20 | Option exercise (derivative) | 7,501 | $0.00 | 1,250 |
| 2014-02-20 | Option exercise | 7,501 | $4.82 | 16,414 |
| 2014-02-20 | Open-market sale | 7,501 | $22.25 | 8,913 |
| 2013-11-29 | Open-market sale | 468 | $23.35 | 8,913 |
| 2013-11-04 | Option exercise (derivative) | 5,158 | $0.00 | 0 |
| 2013-11-04 | Open-market sale | 5,158 | $23.00 | 12,194 |
| 2013-11-04 | Open-market sale | 2,813 | $22.95 | 9,381 |
| 2013-11-04 | Option exercise | 5,158 | $2.30 | 17,352 |
| 2013-08-02 | Open-market sale | 2,445 | $21.18 | 12,194 |
| 2013-08-02 | Open-market sale | 2,812 | $20.94 | 14,639 |
| 2013-08-01 | Open-market sale | 3,490 | $20.56 | 17,451 |
| 2013-05-30 | Open-market sale | 2,313 | $18.50 | 20,941 |
| 2013-05-28 | Open-market sale | 469 | $18.30 | 15,880 |
| 2013-05-28 | Grant / award | 7,374 | $0.00 | 23,254 |
| 2013-02-23 | Open-market sale | 3,500 | $6.80 | 17,629 |
| 2012-09-13 | Option exercise (derivative) | 3,515 | $0.00 | — |
| 2012-09-13 | Option exercise (derivative) | 234 | $0.00 | 7,735 |
| 2012-09-13 | Option exercise (derivative) | 416 | $0.00 | 8,751 |
| 2012-09-13 | Option exercise (derivative) | 468 | $0.00 | 5,158 |
| 2012-09-13 | Option exercise | 3,515 | $8.79 | 20,332 |
| 2012-09-13 | Option exercise | 468 | $2.30 | 16,817 |
| 2012-09-13 | Option exercise | 416 | $4.82 | 20,748 |
| 2012-09-13 | Option exercise | 234 | $6.21 | 20,982 |
| 2012-09-13 | Open-market sale | 4,633 | $12.86 | 16,349 |
| 2012-08-16 | Option exercise (derivative) | 3,281 | $0.00 | 7,969 |
| 2012-08-16 | Open-market sale | 2,581 | $10.40 | 16,349 |
| 2012-08-16 | Open-market sale | 700 | $10.40 | 18,930 |
| 2012-08-16 | Option exercise | 3,281 | $6.21 | 19,630 |
| 2012-08-15 | Option exercise (derivative) | 2,813 | $0.00 | 5,626 |
| 2012-08-15 | Option exercise | 2,813 | $2.30 | 19,162 |
| 2012-08-15 | Option exercise | 2,084 | $4.82 | 18,433 |
| 2012-08-15 | Open-market sale | 2,084 | $10.37 | 16,349 |
| 2012-05-22 | Grant / award (derivative) | 11,250 | $0.00 | 11,250 |
| 2012-05-22 | Grant / award | 3,750 | $8.79 | 18,224 |
| 2012-02-24 | Option exercise (derivative) | 3,500 | $4.82 | 11,251 |
| 2012-02-24 | Open-market sale | 3,500 | $7.00 | 14,474 |
| 2012-02-24 | Option exercise | 3,500 | $4.82 | 17,974 |
| 2012-02-23 | Option exercise (derivative) | 1,406 | $2.30 | 8,439 |
| 2012-02-23 | Option exercise (derivative) | 1,749 | $4.82 | 14,751 |
| 2012-02-23 | Option exercise (derivative) | 3,500 | $4.82 | 16,500 |
| 2012-02-23 | Option exercise | 3,500 | $4.82 | 17,974 |
| 2012-02-23 | Open-market sale | 1,406 | $6.70 | 14,474 |
| 2012-02-23 | Open-market sale | 1,749 | $6.75 | 15,880 |
| 2012-02-23 | Option exercise | 1,749 | $4.82 | 19,723 |
| 2012-02-23 | Option exercise | 1,406 | $2.30 | 21,129 |
| 2011-11-15 | Disposition to issuer | 2,655 | $5.91 | 12,611 |
| 2011-11-15 | Disposition to issuer | 5,000 | $5.95 | 7,611 |
| 2011-09-16 | Disposition to issuer | 4,900 | $5.05 | 15,366 |
| 2011-09-16 | Disposition to issuer | 100 | $5.12 | 15,266 |
| 2011-05-27 | Grant / award (derivative) | 11,250 | $0.00 | 11,250 |
| 2011-05-27 | Grant / award | 3,750 | $0.00 | 20,266 |
| 2010-11-26 | Open-market sale | 400 | $4.10 | 16,516 |
| 2010-11-24 | Open-market sale | 1,000 | $4.03 | 16,916 |
| 2010-11-05 | Open-market sale | 813 | $4.10 | 17,916 |
| 2010-11-04 | Open-market sale | 1,000 | $4.05 | 18,729 |
| 2010-11-04 | Open-market sale | 1,000 | $4.03 | 19,729 |
| 2010-08-15 | Option exercise (derivative) | 2,084 | $0.00 | 9,167 |
| 2010-05-18 | Grant / award (derivative) | 20,000 | $0.00 | 20,000 |
| 2010-04-27 | Open-market sale | 100 | $4.84 | 21,529 |
| 2010-04-27 | Open-market sale | 1,612 | $4.85 | 21,629 |
| 2010-04-27 | Open-market sale | 300 | $4.86 | 23,241 |
| 2010-04-27 | Open-market sale | 800 | $4.82 | 20,729 |
| 2010-02-16 | Open-market sale | 300 | $3.95 | 0 |
| 2010-02-16 | Open-market sale | 400 | $3.93 | 300 |
| 2010-02-16 | Open-market sale | 100 | $3.91 | 700 |
| 2010-02-16 | Open-market sale | 1,045 | $3.90 | 800 |
| 2010-02-16 | Open-market sale | 600 | $3.90 | 1,845 |
| 2009-12-16 | Disposition to issuer (derivative) | 22,500 | — | 0 |
| 2009-12-16 | Grant / award | 11,250 | — | 25,986 |
| 2009-07-31 | Grant / award (derivative) | 22,500 | $0.00 | 22,500 |
| 2009-05-20 | Open-market sale | 1,200 | $1.70 | 15,983 |
| 2009-05-20 | Open-market sale | 100 | $1.73 | 14,736 |
| 2009-05-20 | Open-market sale | 1,047 | $1.71 | 14,936 |
| 2009-05-20 | Open-market sale | 100 | $1.72 | 14,836 |
| 2008-08-19 | Grant / award (derivative) | 514 | $0.00 | 514 |
| 2008-08-19 | Grant / award (derivative) | 1,191 | $0.00 | 1,191 |
| 2008-08-19 | Grant / award (derivative) | 3,572 | $0.00 | 3,572 |
| 2008-08-19 | Grant / award (derivative) | 7,143 | $0.00 | 7,143 |
| 2008-08-19 | Disposition to issuer (derivative) | 30,000 | $0.00 | 0 |
| 2008-08-19 | Disposition to issuer (derivative) | 5,000 | $0.00 | 0 |
| 2008-08-18 | Grant / award (derivative) | 514 | $0.00 | 514 |
| 2008-08-18 | Grant / award (derivative) | 1,191 | $0.00 | 1,191 |
| 2008-08-18 | Grant / award (derivative) | 7,143 | $0.00 | 7,143 |
| 2008-08-18 | Disposition to issuer (derivative) | 15,000 | $0.00 | 0 |
| 2008-08-18 | Grant / award (derivative) | 3,572 | $0.00 | 3,572 |
| 2008-08-18 | Disposition to issuer (derivative) | 5,000 | $0.00 | 0 |
| 2008-05-22 | Grant / award (derivative) | 22,500 | $0.00 | 22,500 |
| 2007-07-20 | Grant / award (derivative) | 2,158 | $0.00 | 0 |
| 2007-07-20 | Grant / award (derivative) | 2,158 | $0.00 | 2,158 |
| 2007-06-06 | Grant / award (derivative) | 5,000 | $0.00 | 5,000 |
| 2007-05-30 | Grant / award (derivative) | 15,000 | $0.00 | 15,000 |
| 2007-02-02 | Grant / award (derivative) | 5,000 | $0.00 | 5,000 |
| 2006-05-24 | Grant / award (derivative) | 15,000 | $0.00 | 15,000 |
Source: SEC EDGAR Form 4 filings. For informational purposes only — not investment advice.