Mark J Stone

CIK 1258539 · View on SEC EDGAR ↗

Insider

First SEC filing: Sept. 3, 2008 · Latest: Sept. 3, 2008

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Insider at

Insider transactions

0 buys (P) 0 sells (S) Net: $0 + 16 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

16 other filings hidden
Date Ticker Code Shares Price Value Owned after Δ own A/D vs now
Jan. 31, 2006 NTIC S 1,000 $5.70 $5,700 1,000 Direct — Acquired 180.4% (price as of 2026-08-18)
Jan. 31, 2006 NTIC S 2,000 $5.00 $10,000 3,000 Direct +200.00% Acquired 219.6% (price as of 2026-08-18)
Jan. 31, 2006 NTIC S 2,000 $3.34 $6,680 5,000 Direct +66.67% Acquired 378.4% (price as of 2026-08-18)

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, 2009 NTIC Stock Option (right to buy) Common Stock (4,000) $8.57 Aug. 31, 2014 4,000 Acquired
Sept. 1, 2008 NTIC Stock Option (Right to Buy) Common Stock (4,000) $12.84 Aug. 31, 2013 4,000 Acquired
Sept. 1, 2008 NTIC Stock Option (Right to Buy) Common Stock (4,000) $12.84 Aug. 31, 2018 4,000 Acquired
Sept. 1, 2004 NTIC Stock Option (right to buy) Common Stock (2,000) $5.25 Sept. 1, 2009 2,000 Acquired
Sept. 24, 2003 NTIC Non-Statutory Stock Option (right to buy) Common Stock (2,000) $5.30 Sept. 2, 2008 2,000 Disposed

Exercise/conversion price is blank when not applicable (e.g. RSUs).