On this page
Sunggyu Lee
Insider
First SEC filing: Sept. 3, 2008 · Latest: Sept. 3, 2008
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
No open-market trades on record; showing all filings.
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| Sept. 1, 2026 | NTIC | A | 6,188 | · | · | 9,507 Direct | +186.44% | Acquired | (price as of 2026-10-06) |
| Sept. 1, 2025 | NTIC | A | 16,287 | · | · | 16,287 Direct | · | Acquired | (price as of 2026-10-06) |
| Sept. 1, 2024 | NTIC | A | 9,843 | · | · | 9,843 Direct | · | Acquired | (price as of 2026-10-06) |
| Sept. 1, 2023 | NTIC | A | 9,921 | · | · | 9,921 Direct | · | Acquired | (price as of 2026-10-06) |
| Aug. 17, 2023 | NTIC | M | 8,000 | $7.35 | $58,800 | 8,000 Direct | · | Acquired | 4.8% (price as of 2026-10-06) |
| Aug. 17, 2023 | NTIC | F | 4,681 | $12.56 | $58,793 | 3,319 Direct | -58.51% | Disposed | -38.7% (price as of 2026-10-06) |
| Aug. 17, 2023 | NTIC | M | 8,000 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-06) |
| Sept. 1, 2022 | NTIC | A | 10,309 | · | · | 10,309 Direct | · | Acquired | (price as of 2026-10-06) |
| Sept. 1, 2013 | NTIC | A | 4,000 | · | · | 4,000 Direct | · | Acquired | (price as of 2026-10-06) |
| Sept. 1, 2012 | NTIC | A | 4,000 | · | · | 4,000 Direct | · | Acquired | (price as of 2026-10-06) |
| Sept. 1, 2012 | NTIC | A | 4,000 | · | · | 4,000 Direct | · | Acquired | (price as of 2026-10-06) |
| Sept. 1, 2011 | NTIC | A | 4,000 | · | · | 4,000 Direct | · | Acquired | (price as of 2026-10-06) |
| Sept. 1, 2010 | NTIC | A | 4,000 | · | · | 4,000 Direct | · | Acquired | (price as of 2026-10-06) |
| Sept. 1, 2009 | NTIC | A | 4,000 | · | · | 4,000 Direct | · | Acquired | (price as of 2026-10-06) |
| Sept. 1, 2008 | NTIC | A | 4,000 | · | · | 4,000 Direct | · | Acquired | (price as of 2026-10-06) |
| Sept. 1, 2007 | NTIC | A | 2,000 | $9.75 | $19,500 | 2,000 Direct | · | Acquired | 57.9% (price as of 2026-10-06) |
| Sept. 1, 2006 | NTIC | A | 2,000 | $8.07 | $16,140 | 2,000 Direct | · | Acquired | 90.8% (price as of 2026-10-06) |
| Sept. 1, 2005 | NTIC | A | 2,000 | $5.70 | $11,400 | 0 Direct | · | Acquired | 170.2% (price as of 2026-10-06) |
| Sept. 1, 2004 | NTIC | A | 2,000 | $5.25 | $10,500 | 2,000 Direct | · | Acquired | 193.3% (price as of 2026-10-06) |
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 |
|---|---|---|---|---|---|---|---|
| Sept. 1, 2025 | NTIC | Stock Option (right to buy) | Common Stock | $7.42 | Aug. 31, 2035 | 16,287 | Acquired |
| Sept. 1, 2024 | NTIC | Stock Option (right to buy) | Common Stock | $13.26 | Aug. 31, 2034 | 9,843 | Acquired |
| Sept. 1, 2023 | NTIC | Stock Option (right to buy) | Common Stock | $13.25 | Aug. 31, 2033 | 9,921 | Acquired |
| Aug. 17, 2023 | NTIC | Stock Option (right to buy) | Common Stock | $7.35 | Aug. 31, 2023 | 8,000 | Disposed |
| Sept. 1, 2022 | NTIC | Stock Option (right to buy) | Common Stock | $11.38 | Aug. 31, 2032 | 10,309 | Acquired |
| Sept. 1, 2013 | NTIC | Stock Option (right to buy) | Common Stock | $14.70 | Aug. 31, 2023 | 4,000 | Acquired |
| Sept. 1, 2012 | NTIC | Stock Option (right to buy) | Common Stock | $10.25 | Aug. 31, 2017 | 4,000 | Acquired |
| Sept. 1, 2012 | NTIC | Stock Option (right to buy) | Common Stock | $10.25 | Aug. 31, 2017 | 4,000 | Acquired |
| Sept. 1, 2011 | NTIC | Stock Option (right to buy) | Common Stock | $16.45 | Aug. 31, 2016 | 4,000 | Acquired |
| Sept. 1, 2010 | NTIC | Stock Option (Right-to-Buy) | Common Stock | $9.76 | Aug. 13, 2015 | 4,000 | Acquired |
| Sept. 1, 2009 | NTIC | Stock Option (right to buy) | Common Stock | $8.57 | Aug. 31, 2014 | 4,000 | Acquired |
| Sept. 1, 2008 | NTIC | Stock Option (Right to Buy) | Common Stock | $12.84 | Aug. 31, 2013 | 4,000 | Acquired |
| Sept. 1, 2004 | NTIC | Stock Option (right to buy) | Common Stock | $5.25 | Sept. 1, 2009 | 2,000 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).