Paul (Sheng-Chun) Lo
CIK 1375366 · View on SEC EDGAR ↗
Insider
First SEC filing: Sept. 25, 2006 · Latest: Sept. 25, 2006
On this page
Insider at
Insider transactions
0 buys (P)
0 sells (S)
Net:
$0
+ 30 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
30 other filings hidden
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| Dec. 13, 2006 | SNPS | S | 800 | $26.62 | $21,296 | 7,184 Direct | -10.02% | Disposed | 1395.8% (price as of 2026-08-21) |
| Dec. 13, 2006 | SNPS | S | 1,200 | $26.58 | $31,896 | 7,184 Direct | -14.31% | Disposed | 1398.1% (price as of 2026-08-21) |
| Dec. 13, 2006 | SNPS | S | 1,017 | $26.59 | $27,042 | 7,184 Direct | -12.40% | Disposed | 1397.5% (price as of 2026-08-21) |
| Dec. 13, 2006 | SNPS | S | 983 | $26.58 | $26,128 | 7,184 Direct | -12.04% | Disposed | 1398.1% (price as of 2026-08-21) |
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 |
|---|---|---|---|---|---|---|---|
| Dec. 8, 2008 | SNPS | Restricted Stock Units | Common Stock (3,000) | $0.00 | Dec. 8, 2010 | 3,000 | Disposed |
| Dec. 3, 2008 | SNPS | Restricted Stock Units | Common Stock (15,000) | $0.00 | Dec. 10, 2011 | 15,000 | Acquired |
| Dec. 3, 2008 | SNPS | Restricted Stock Units | Common Stock (3,750) | $0.00 | Dec. 10, 2011 | 3,750 | Disposed |
| Dec. 10, 2007 | SNPS | Non-Qualified Stock Option (right to buy) | Common Stock (31,000) | $27.14 | Dec. 10, 2014 | 31,000 | Acquired |
| Dec. 6, 2007 | SNPS | Restricted Stock Units | Common Stock (12,000) | $0.00 | Dec. 6, 2010 | 12,000 | Acquired |
| Dec. 6, 2007 | SNPS | Restricted Stock Units | Common Stock (3,000) | $0.00 | Dec. 6, 2010 | 3,000 | Acquired |
| May 4, 2007 | SNPS | Non-Qualified Stock Option (right to buy) | Common Stock (2,000) | $16.00 | Oct. 15, 2011 | 2,000 | Disposed |
| May 4, 2007 | SNPS | Non-Qualified Stock Option (right to buy) | Common Stock (2,000) | $16.18 | Oct. 15, 2011 | 2,000 | Acquired |
| May 4, 2007 | SNPS | Non-Qualified Stock Option (right to buy) | Common Stock (6,000) | $17.58 | Dec. 10, 2011 | 6,000 | Disposed |
| May 4, 2007 | SNPS | Non-Qualified Stock Option (right to buy) | Common Stock (6,000) | $18.23 | Dec. 10, 2011 | 6,000 | Acquired |
| May 4, 2007 | SNPS | Non-Qualified Stock Option (right to buy) | Common Stock (6,500) | $19.78 | Feb. 18, 2013 | 6,500 | Disposed |
| May 4, 2007 | SNPS | Non-Qualified Stock Option (right to buy) | Common Stock (6,500) | $20.58 | Feb. 18, 2013 | 6,500 | Acquired |
| May 4, 2007 | SNPS | Non-Qualified Stock Option (right to buy) | Common Stock (9,000) | $24.94 | June 11, 2012 | 9,000 | Disposed |
| May 4, 2007 | SNPS | Non-Qualified Stock Option (right to buy) | Common Stock (9,000) | $25.46 | June 11, 2012 | 9,000 | Acquired |
| Dec. 13, 2006 | SNPS | Non-Qualified Stock Option (right to buy) | Common Stock (800) | $16.00 | Oct. 15, 2011 | 800 | Disposed |
| Dec. 13, 2006 | SNPS | Non-Qualified Stock Option (right to buy) | Common Stock (1,200) | $16.00 | Oct. 15, 2011 | 1,200 | Disposed |
| Dec. 13, 2006 | SNPS | Non-Qualified Stock Option (right to buy) | Common Stock (1,017) | $17.16 | Dec. 23, 2011 | 1,017 | Disposed |
| Dec. 13, 2006 | SNPS | Non-Qualified Stock Option (right to buy) | Common Stock (983) | $17.16 | Dec. 23, 2011 | 983 | Disposed |
| Dec. 5, 2006 | SNPS | Non-Qualified Stock Option (right to buy) | Common Stock (35,000) | $26.09 | Dec. 5, 2013 | 35,000 | Acquired |
| Sept. 13, 2006 | SNPS | Non-Qualified Stock Option (right to buy) | Common Stock (40,000) | $19.34 | Sept. 13, 2013 | 40,000 | 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 |
|---|---|---|---|---|
| Sept. 25, 2006 | SNPS | Common Stock | 7,184 | Direct |
| Sept. 14, 2006 | SNPS | Incentive Stock Option (right to buy)→ Common Stock (14,984) | 14,984 | Direct |
| Sept. 14, 2006 | SNPS | Non-Qualified Stock Option (right to buy)→ Common Stock (4,000) | 4,000 | Direct |
| Sept. 14, 2006 | SNPS | Non-Qualified Stock Option (right to buy)→ Common Stock (9,659) | 9,659 | Direct |
| Sept. 14, 2006 | SNPS | Non-Qualified Stock Option (right to buy)→ Common Stock (6,000) | 6,000 | Direct |
| Sept. 14, 2006 | SNPS | Non-Qualified Stock Option (right to buy)→ Common Stock (619) | 619 | Direct |
| Sept. 14, 2006 | SNPS | Non-Qualified Stock Option (right to buy)→ Common Stock (8,000) | 8,000 | Direct |
| Sept. 14, 2006 | SNPS | Non-Qualified Stock Option (right to buy)→ Common Stock (10,000) | 10,000 | Direct |
| Sept. 14, 2006 | SNPS | Non-Qualified Stock Option (right to buy)→ Common Stock (108,574) | 108,574 | Direct |
| Sept. 14, 2006 | SNPS | Non-Qualified Stock Option (right to buy)→ Common Stock (15,000) | 15,000 | Direct |