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Mark J Stone
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
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| Aug. 10, 2012 | NTIC | S | 2,059 | $9.85 | $20,281 | 0 Direct | -100.00% | Disposed | 56.3% (price as of 2026-10-02) |
| Feb. 28, 2012 | NTIC | S | 6,700 | $15.20 | $101,840 | 3,200 Direct | -67.68% | Disposed | 1.3% (price as of 2026-10-02) |
| Feb. 27, 2012 | NTIC | S | 100 | $15.70 | $1,570 | 9,900 Direct | -1.00% | Disposed | -1.9% (price as of 2026-10-02) |
| Sept. 1, 2011 | NTIC | A | 4,000 | · | · | 4,000 Direct | · | Acquired | (price as of 2026-10-02) |
| Aug. 31, 2011 | NTIC | S | 2,000 | $16.20 | $32,400 | 8,000 Direct | -20.00% | Disposed | -4.9% (price as of 2026-10-02) |
| Aug. 31, 2011 | NTIC | M | 2,000 | $8.01 | $16,020 | 10,000 Direct | +25.00% | Acquired | 92.3% (price as of 2026-10-02) |
| Aug. 31, 2011 | NTIC | M | 2,000 | $8.01 | $16,020 | 0 Direct | -100.00% | Disposed | 92.3% (price as of 2026-10-02) |
| Nov. 29, 2010 | NTIC | S | 2,000 | $14.39 | $28,780 | 10,000 Direct | -16.67% | Disposed | 7.0% (price as of 2026-10-02) |
| Sept. 1, 2010 | NTIC | A | 4,000 | · | · | 4,000 Direct | · | Acquired | (price as of 2026-10-02) |
| Aug. 30, 2010 | NTIC | M | 2,000 | $5.75 | $11,500 | 12,000 Direct | +20.00% | Acquired | 167.8% (price as of 2026-10-02) |
| Aug. 30, 2010 | NTIC | M | 2,000 | $5.75 | $11,500 | 0 Direct | -100.00% | Disposed | 167.8% (price as of 2026-10-02) |
| Aug. 30, 2010 | NTIC | M | 2,000 | $5.75 | $11,500 | 2,000 Direct | · | Acquired | 167.8% (price as of 2026-10-02) |
| Aug. 30, 2010 | NTIC | M | 2,000 | $5.75 | $11,500 | 0 Direct | -100.00% | Disposed | 167.8% (price as of 2026-10-02) |
| Sept. 1, 2009 | NTIC | A | 4,000 | · | · | 4,000 Direct | · | Acquired | (price as of 2026-10-02) |
| Sept. 1, 2008 | NTIC | A | 4,000 | · | · | 4,000 Direct | · | Acquired | (price as of 2026-10-02) |
| Sept. 1, 2008 | NTIC | A | 4,000 | · | · | 4,000 Direct | · | Acquired | (price as of 2026-10-02) |
| Sept. 1, 2007 | NTIC | A | 2,000 | $9.75 | $19,500 | 2,000 Direct | · | Acquired | 57.9% (price as of 2026-10-02) |
| Aug. 21, 2007 | NTIC | M | 2,000 | $5.25 | $10,500 | 2,000 Direct | · | Acquired | 193.3% (price as of 2026-10-02) |
| Aug. 21, 2007 | NTIC | M | 1,000 | $5.30 | $5,300 | 1,000 Direct | · | Acquired | 190.6% (price as of 2026-10-02) |
| Aug. 14, 2007 | NTIC | M | 500 | $8.50 | $4,250 | 500 Direct | · | Acquired | 81.2% (price as of 2026-10-02) |
| Aug. 9, 2007 | NTIC | M | 300 | $8.50 | $2,550 | 300 Direct | · | Acquired | 81.2% (price as of 2026-10-02) |
| Aug. 8, 2007 | NTIC | M | 200 | $8.80 | $1,760 | 200 Direct | · | Acquired | 75.0% (price as of 2026-10-02) |
| Sept. 1, 2006 | NTIC | A | 2,000 | $8.07 | $16,140 | 2,000 Direct | · | Acquired | 90.8% (price as of 2026-10-02) |
| Jan. 31, 2006 | NTIC | M | 1,000 | $5.70 | $5,700 | 1,000 Direct | · | Acquired | 170.2% (price as of 2026-10-02) |
| Jan. 31, 2006 | NTIC | S | 1,000 | $5.70 | $5,700 | 1,000 Direct | · | Acquired | 170.2% (price as of 2026-10-02) |
| Jan. 31, 2006 | NTIC | S | 2,000 | $5.00 | $10,000 | 3,000 Direct | +200.00% | Acquired | 208.0% (price as of 2026-10-02) |
| Jan. 31, 2006 | NTIC | S | 2,000 | $3.34 | $6,680 | 5,000 Direct | +66.67% | Acquired | 361.1% (price as of 2026-10-02) |
| Jan. 31, 2006 | NTIC | M | 2,000 | $5.00 | $10,000 | 3,000 Direct | +200.00% | Acquired | 208.0% (price as of 2026-10-02) |
| Jan. 31, 2006 | NTIC | M | 2,000 | $3.34 | $6,680 | 5,000 Direct | +66.67% | Acquired | 361.1% (price as of 2026-10-02) |
| Sept. 1, 2005 | NTIC | A | 2,000 | $5.70 | $11,400 | 0 Direct | · | Acquired | 170.2% (price as of 2026-10-02) |
| Sept. 1, 2004 | NTIC | A | 2,000 | $5.25 | $10,500 | 9,000 Direct | +28.57% | Acquired | 193.3% (price as of 2026-10-02) |
| Sept. 24, 2003 | NTIC | A | 2,000 | $5.30 | $10,600 | 7,000 Direct | -22.22% | Disposed | 190.6% (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 |
|---|---|---|---|---|---|---|---|
| Sept. 1, 2011 | NTIC | Stock Option (right to buy) | Common Stock | $16.45 | Aug. 31, 2016 | 4,000 | Acquired |
| Aug. 31, 2011 | NTIC | Stock Option (right to buy) | Common Stock | $8.01 | Aug. 31, 2011 | 2,000 | Disposed |
| Sept. 1, 2010 | NTIC | Stock Option (Right-to-Buy) | Common Stock | $9.76 | Aug. 31, 2015 | 4,000 | Acquired |
| Aug. 30, 2010 | NTIC | Stock Option- Right to Buy | Common Stock | $5.75 | Aug. 31, 2010 | 2,000 | Disposed |
| Aug. 30, 2010 | NTIC | Stock Option (Right to Buy) | Common Stock | $5.75 | Aug. 31, 2010 | 2,000 | Disposed |
| 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, 2008 | NTIC | Stock Option (Right to Buy) | Common Stock | $12.84 | Aug. 31, 2018 | 4,000 | Acquired |
| Sept. 1, 2004 | NTIC | Stock Option (right to buy) | Common Stock | $5.25 | Sept. 1, 2009 | 2,000 | Acquired |
| Sept. 24, 2003 | NTIC | Non-Statutory Stock Option (right to buy) | Common Stock | $5.30 | Sept. 2, 2008 | 2,000 | Disposed |
Exercise/conversion price is blank when not applicable (e.g. RSUs).