Insider at

04

Insider transactions

05
0 buys (P) 2 sells (S) Net: $-128,576 + 42 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

42 other filings hidden
DateTickerCodeSharesPriceValue Owned afterΔ ownA/Dvs now
July 30, 2026 NTIC S 16,070 $8.00 $128,560 105,284 Direct -13.24% Disposed -3.7% (price as of 2026-10-02)
July 29, 2026 NTIC S 2 $8.10 $16 121,354 Direct 0.00% Disposed -4.9% (price as of 2026-10-02)
April 16, 2014 NTIC S 12,000 $21.25 $255,000 37,052 Direct -24.46% Disposed -27.5% (price as of 2026-10-02)
Sept. 13, 2011 NTIC S 10b5-1 616 $14.80 $9,117 601,668 Indirect -0.10% Disposed 4.1% (price as of 2026-10-02)
Sept. 12, 2011 NTIC S 10b5-1 1,184 $15.20 $17,997 602,284 Indirect -0.20% Disposed 1.3% (price as of 2026-10-02)
Sept. 7, 2011 NTIC S 10b5-1 1,992 $15.81 $31,494 603,468 Indirect -0.33% Disposed -2.6% (price as of 2026-10-02)
Sept. 6, 2011 NTIC S 10b5-1 108 $16.00 $1,728 605,460 Indirect -0.02% Disposed -3.7% (price as of 2026-10-02)
Sept. 2, 2011 NTIC S 10b5-1 1,000 $16.00 $16,000 605,568 Indirect -0.16% Disposed -3.7% (price as of 2026-10-02)
Sept. 1, 2011 NTIC S 10b5-1 100 $16.45 $1,645 606,568 Indirect -0.02% Disposed -6.4% (price as of 2026-10-02)
June 10, 2011 NTIC S 10b5-1 690 $15.79 $10,895 606,668 Indirect -0.11% Disposed -2.5% (price as of 2026-10-02)
June 7, 2011 NTIC S 10b5-1 600 $16.24 $9,744 607,358 Indirect -0.10% Disposed -5.2% (price as of 2026-10-02)
June 6, 2011 NTIC S 10b5-1 500 $16.32 $8,160 607,958 Indirect -0.08% Disposed -5.6% (price as of 2026-10-02)
June 3, 2011 NTIC S 10b5-1 1,410 $16.31 $22,997 608,458 Indirect -0.23% Disposed -5.6% (price as of 2026-10-02)
June 2, 2011 NTIC S 10b5-1 300 $16.55 $4,965 609,868 Indirect -0.05% Disposed -6.9% (price as of 2026-10-02)
June 1, 2011 NTIC S 10b5-1 1,500 $16.34 $24,510 610,168 Indirect -0.25% Disposed -5.8% (price as of 2026-10-02)
March 4, 2011 NTIC S 10b5-1 1,500 $16.00 $24,000 611,668 Indirect -0.24% Disposed -3.7% (price as of 2026-10-02)
March 3, 2011 NTIC S 10b5-1 2,500 $15.96 $39,900 613,168 Indirect -0.41% Disposed -3.5% (price as of 2026-10-02)
March 2, 2011 NTIC S 10b5-1 1,000 $16.00 $16,000 615,668 Indirect -0.16% Disposed -3.7% (price as of 2026-10-02)
Dec. 7, 2010 NTIC S 10b5-1 600 $13.00 $7,800 616,668 Indirect -0.10% Disposed 18.5% (price as of 2026-10-02)
Dec. 6, 2010 NTIC S 10b5-1 1,500 $12.93 $19,395 617,268 Indirect -0.24% Disposed 19.1% (price as of 2026-10-02)
Dec. 3, 2010 NTIC S 10b5-1 500 $13.40 $6,700 618,768 Indirect -0.08% Disposed 14.9% (price as of 2026-10-02)
Dec. 2, 2010 NTIC S 10b5-1 2,000 $13.53 $27,060 619,268 Indirect -0.32% Disposed 13.8% (price as of 2026-10-02)
Dec. 1, 2010 NTIC S 10b5-1 400 $13.81 $5,524 621,268 Indirect -0.06% Disposed 11.5% (price as of 2026-10-02)
Sept. 22, 2010 NTIC S 10b5-1 900 $9.50 $8,550 621,668 Indirect -0.14% Disposed 62.1% (price as of 2026-10-02)
Sept. 21, 2010 NTIC S 10b5-1 1,200 $9.50 $11,400 622,668 Indirect -0.19% Disposed 62.1% (price as of 2026-10-02)
Sept. 21, 2010 NTIC S 10b5-1 100 $9.67 $967 622,568 Indirect -0.02% Disposed 59.3% (price as of 2026-10-02)
Sept. 20, 2010 NTIC S 10b5-1 1,000 $9.50 $9,500 623,868 Indirect -0.16% Disposed 62.1% (price as of 2026-10-02)
Sept. 15, 2010 NTIC S 10b5-1 100 $9.50 $950 624,868 Indirect -0.02% Disposed 62.1% (price as of 2026-10-02)
Sept. 14, 2010 NTIC S 10b5-1 700 $9.50 $6,650 624,968 Indirect -0.11% Disposed 62.1% (price as of 2026-10-02)
Sept. 13, 2010 NTIC S 10b5-1 1,000 $9.50 $9,500 625,668 Indirect -0.16% Disposed 62.1% (price as of 2026-10-02)
Aug. 25, 2010 NTIC S 10b5-1 100 $9.62 $962 628,883 Indirect -0.02% Disposed 60.1% (price as of 2026-10-02)
Aug. 25, 2010 NTIC S 10b5-1 100 $9.66 $966 628,783 Indirect -0.02% Disposed 59.4% (price as of 2026-10-02)
Aug. 25, 2010 NTIC S 10b5-1 94 $9.67 $909 628,689 Indirect -0.01% Disposed 59.3% (price as of 2026-10-02)
Aug. 25, 2010 NTIC S 10b5-1 100 $9.80 $980 628,589 Indirect -0.02% Disposed 57.1% (price as of 2026-10-02)
Aug. 25, 2010 NTIC S 10b5-1 300 $9.81 $2,943 628,289 Indirect -0.05% Disposed 57.0% (price as of 2026-10-02)
Aug. 25, 2010 NTIC S 10b5-1 100 $9.83 $983 628,189 Indirect -0.02% Disposed 56.7% (price as of 2026-10-02)
Aug. 25, 2010 NTIC S 10b5-1 11 $9.87 $109 628,178 Indirect 0.00% Disposed 56.0% (price as of 2026-10-02)
Aug. 25, 2010 NTIC S 10b5-1 89 $9.96 $886 628,089 Indirect -0.01% Disposed 54.6% (price as of 2026-10-02)
Aug. 25, 2010 NTIC S 10b5-1 100 $10.02 $1,002 627,989 Indirect -0.02% Disposed 53.7% (price as of 2026-10-02)
Aug. 25, 2010 NTIC S 10b5-1 900 $10.75 $9,675 627,089 Indirect -0.14% Disposed 43.3% (price as of 2026-10-02)
Aug. 25, 2010 NTIC S 10b5-1 115 $10.75 $1,236 626,974 Indirect -0.02% Disposed 43.3% (price as of 2026-10-02)
Aug. 25, 2010 NTIC S 10b5-1 100 $10.76 $1,076 626,874 Indirect -0.02% Disposed 43.1% (price as of 2026-10-02)
Aug. 25, 2010 NTIC S 10b5-1 206 $10.86 $2,237 626,668 Indirect -0.03% Disposed 41.8% (price as of 2026-10-02)
Aug. 20, 2010 NTIC S 859 $11.69 $10,042 628,983 Indirect -0.14% Disposed 31.7% (price as of 2026-10-02)
Aug. 18, 2010 NTIC S 526 $12.90 $6,785 629,842 Indirect -0.08% Disposed 19.4% (price as of 2026-10-02)
Aug. 17, 2010 NTIC S 396 $12.50 $4,950 631,072 Indirect -0.06% Disposed 23.2% (price as of 2026-10-02)
Aug. 17, 2010 NTIC S 104 $12.51 $1,301 630,968 Indirect -0.02% Disposed 23.1% (price as of 2026-10-02)
Aug. 17, 2010 NTIC S 200 $12.52 $2,504 630,768 Indirect -0.03% Disposed 23.0% (price as of 2026-10-02)
Aug. 17, 2010 NTIC S 100 $12.52 $1,252 630,668 Indirect -0.02% Disposed 23.0% (price as of 2026-10-02)
Aug. 17, 2010 NTIC S 100 $12.55 $1,255 630,568 Indirect -0.02% Disposed 22.7% (price as of 2026-10-02)
Aug. 17, 2010 NTIC S 200 $12.55 $2,510 630,368 Indirect -0.03% Disposed 22.7% (price as of 2026-10-02)
Aug. 16, 2010 NTIC S 200 $13.18 $2,636 631,468 Indirect -0.03% Disposed 16.8% (price as of 2026-10-02)
Jan. 19, 2010 NTIC S 100 $9.58 $958 631,668 Indirect -0.02% Disposed 60.8% (price as of 2026-10-02)
Jan. 15, 2010 NTIC S 17,900 $7.50 $134,250 631,768 Indirect -2.76% Disposed 105.3% (price as of 2026-10-02)
Dec. 4, 2009 NTIC S 202,400 $7.50 $1,518,000 649,668 Indirect -23.75% Disposed 105.3% (price as of 2026-10-02)
Nov. 28, 2008 NTIC S 19,500 $10.25 $199,875 892,168 Indirect -2.14% Disposed 50.2% (price as of 2026-10-02)
Nov. 28, 2008 NTIC S 19,500 $10.25 $199,875 872,668 Indirect -2.19% Disposed 50.2% (price as of 2026-10-02)
Nov. 28, 2008 NTIC S 20,600 $9.75 $200,850 852,068 Indirect -2.36% Disposed 57.9% (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.

06
DateTickerSecurityUnderlying Exercise priceExpirationSharesA/D
Sept. 1, 2026 NTIC Stock Option (right to buy) Common Stock (40,257) $8.08 Aug. 31, 2036 40,257 Acquired
July 29, 2026 NTIC Stock Option (right to buy) Common Stock (16,072) $6.70 Aug. 31, 2026 16,072 Disposed
Sept. 1, 2025 NTIC Stock Option (right to buy) Common Stock (44,051) $7.42 Aug. 31, 2035 44,051 Acquired
Sept. 1, 2024 NTIC Stock Option (right to buy) Common Stock (44,858) $13.26 Aug. 31, 2034 44,858 Acquired
Aug. 26, 2024 NTIC Stock Option (right to buy) Common Stock (10,488) $10.05 Aug. 31, 2024 10,488 Disposed
Sept. 1, 2023 NTIC Stock Option (right to buy) Common Stock (45,381) $13.25 Aug. 31, 2033 45,381 Acquired
Aug. 8, 2023 NTIC Stock Option (right to buy) Common Stock (11,610) $7.35 Aug. 31, 2023 11,610 Disposed
Oct. 4, 2022 NTIC Stock Option (right to buy) Common Stock (36,824) $5.12 Nov. 16, 2022 36,824 Disposed
Sept. 1, 2022 NTIC Stock Option (right to buy) Common Stock (47,517) $11.38 Aug. 31, 2032 47,517 Acquired
Sept. 1, 2021 NTIC Stock Option (right to buy) Common Stock (32,540) $16.97 Aug. 31, 2031 32,540 Acquired
Sept. 1, 2020 NTIC Stock Option (right to buy) Common Stock (74,742) $8.24 Aug. 31, 2030 74,742 Acquired
Sept. 1, 2019 NTIC Stock Option (right to buy) Common Stock (58,651) $10.80 Aug. 31, 2029 58,651 Acquired
Sept. 1, 2018 NTIC Stock Option (right to buy) Common Stock (13,798) $36.45 Aug. 31, 2028 13,798 Acquired
Sept. 1, 2017 NTIC Stock Option (right to buy) Common Stock (5,852) $18.35 Aug. 31, 2027 5,852 Acquired
Sept. 1, 2016 NTIC Stock Option (right to buy) Common Stock (8,036) $13.40 Aug. 31, 2026 8,036 Acquired
Sept. 1, 2015 NTIC Stock Option (right to buy) Common Stock (7,287) $14.85 Aug. 31, 2025 7,287 Acquired
Sept. 1, 2014 NTIC Stock Option (right to buy) Common Stock (5,244) $20.10 Aug. 31, 2024 5,244 Acquired
April 16, 2014 NTIC Stock Option (right to buy) Common Stock (12,000) $7.65 Nov. 19, 2014 12,000 Disposed
Sept. 1, 2013 NTIC Stock Option (right to buy) Common Stock (5,805) $14.70 Aug. 31, 2023 5,805 Acquired
Nov. 16, 2012 NTIC Stock Option (right to buy) Common Stock (3,362) $10.25 Nov. 16, 2022 3,362 Acquired
Nov. 16, 2012 NTIC Stock Option (right to buy) Common Stock (6,725) $10.25 Nov. 16, 2022 6,725 Acquired
Nov. 16, 2012 NTIC Stock Option (right to buy) Common Stock (8,325) $10.25 Nov. 16, 2022 8,325 Acquired
Nov. 14, 2012 NTIC Stock Option (right to buy) Common Stock (3,540) $9.95 Nov. 16, 2012 3,540 Disposed
Nov. 2, 2010 NTIC Stock Option - Right to Buy Common Stock (8,000) $5.38 Nov. 4, 2010 8,000 Disposed
Nov. 20, 2009 NTIC Employee Stock Option (right to buy) Common Stock (12,000) $7.65 Nov. 19, 2019 12,000 Acquired
Nov. 16, 2007 NTIC Employee Stock Option (right to buy) Common Stock (3,540) $9.95 Nov. 16, 2017 3,540 Acquired

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

Initial ownership (Form 3) 1 holding

07

Securities held when first becoming an insider, per SEC Form 3.

DateTickerSecuritySharesOwnership
March 12, 2004 NTIC Common Stock 1,700 Direct

Compensation (DEF 14A)

08

Matched by name from proxy statements (DEF 14A) — verify against the filing.

Fiscal yearSalaryBonusStock awards Option awardsNon-equity incentivePension changeOtherTotal
2024 $503,610 · · $228,721 $201,164 · $13,102 $946,597
2023 $493,735 · · $230,455 $151,752 · $13,102 $889,044
2022 $470,224 · · $237,217 $169,310 · $13,102 $889,853

Figures from the Summary Compensation Table of the company's proxy statement (DEF 14A). Compensation is not a recommendation.