Insider at

04

Insider transactions

05
0 buys (P) 0 sells (S) Net: $0 + 100 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

No open-market trades on record; showing all filings.

DateTickerCodeSharesPriceValue Owned afterΔ ownA/Dvs now
June 15, 2026 ATRO J 1,517 · · 1,517 Direct · Acquired (price as of 2026-10-05)
June 1, 2026 KWR A 975 · · 975 Direct · Acquired (price as of 2026-10-05)
May 31, 2026 KWR M 18 · · 0 Direct -100.00% Disposed (price as of 2026-10-05)
May 31, 2026 KWR M 1,198 · · 0 Direct -100.00% Disposed (price as of 2026-10-05)
May 31, 2026 KWR M 18 · · 5,279 Direct +0.34% Acquired (price as of 2026-10-05)
May 31, 2026 KWR M 1,198 · · 5,261 Direct +29.49% Acquired (price as of 2026-10-05)
Feb. 28, 2026 TNC F 945 $61.03 $57,673 48,253 Direct -1.92% Disposed 10.7% (price as of 2026-10-05)
Feb. 26, 2026 TNC A 11,697 · · 45,009 Direct +35.11% Acquired (price as of 2026-10-05)
Feb. 26, 2026 TNC F 3,646 $62.73 $228,714 41,363 Direct -8.10% Disposed 7.7% (price as of 2026-10-05)
Feb. 26, 2026 TNC A 7,835 · · 49,198 Direct +18.94% Acquired (price as of 2026-10-05)
Feb. 19, 2026 ATRO A 1,533 · · 7,588 Direct +25.32% Acquired (price as of 2026-10-05)
Aug. 27, 2025 ATRO M 6,055 · · 6,055 Direct · Acquired (price as of 2026-10-05)
Aug. 27, 2025 ATRO M 6,055 · · 0 Direct -100.00% Disposed (price as of 2026-10-05)
June 1, 2025 KWR A 1,198 · · 1,198 Direct · Acquired (price as of 2026-10-05)
May 31, 2025 KWR M 9 · · 0 Direct -100.00% Disposed (price as of 2026-10-05)
May 31, 2025 KWR M 716 · · 0 Direct -100.00% Disposed (price as of 2026-10-05)
May 31, 2025 KWR M 9 · · 4,063 Direct +0.22% Acquired (price as of 2026-10-05)
May 31, 2025 KWR M 716 · · 4,054 Direct +21.45% Acquired (price as of 2026-10-05)
March 1, 2025 TNC F 849 $86.56 $73,489 33,312 Direct -2.49% Disposed -21.9% (price as of 2026-10-05)
Feb. 27, 2025 ATRO A 6,055 · · 6,055 Direct · Acquired (price as of 2026-10-05)
Feb. 21, 2025 TNC A 5,352 · · 29,441 Direct +22.22% Acquired (price as of 2026-10-05)
Feb. 21, 2025 TNC A 6,863 · · 36,304 Direct +23.31% Acquired (price as of 2026-10-05)
Feb. 21, 2025 TNC F 2,143 $89.16 $191,070 34,161 Direct -5.90% Disposed -24.2% (price as of 2026-10-05)
June 1, 2024 KWR A 716 · · 716 Direct · Acquired (price as of 2026-10-05)
May 7, 2024 TNC F 1,128 $106.99 $120,685 24,089 Direct -4.47% Disposed -36.8% (price as of 2026-10-05)
Feb. 27, 2024 TNC F 2,599 $110.16 $286,306 25,217 Direct -9.34% Disposed -38.7% (price as of 2026-10-05)
Feb. 27, 2024 TNC A 4,206 · · 21,441 Direct +24.40% Acquired (price as of 2026-10-05)
Feb. 27, 2024 TNC A 6,375 · · 27,816 Direct +29.73% Acquired (price as of 2026-10-05)
Feb. 27, 2024 TNC F 1,988 $110.16 $218,998 25,828 Direct -7.15% Disposed -38.7% (price as of 2026-10-05)
June 1, 2023 KWR A 672 · · 3,338 Direct +25.21% Acquired (price as of 2026-10-05)
May 7, 2023 TNC F 1,964 $78.31 $153,801 17,235 Direct -10.23% Disposed -13.7% (price as of 2026-10-05)
Feb. 28, 2023 TNC A 3,086 · · 19,199 Direct +19.15% Acquired (price as of 2026-10-05)
Feb. 28, 2023 TNC A 9,290 · · 9,290 Direct · Acquired (price as of 2026-10-05)
June 1, 2022 KWR A 693 · · 2,666 Direct +35.12% Acquired (price as of 2026-10-05)
May 7, 2022 TNC F 1,963 $60.51 $118,781 16,113 Direct -10.86% Disposed 11.7% (price as of 2026-10-05)
March 1, 2022 TNC A 2,772 · · 18,076 Direct +18.11% Acquired (price as of 2026-10-05)
March 1, 2022 TNC A 9,312 · · 9,312 Direct · Acquired (price as of 2026-10-05)
Jan. 5, 2022 KWR G 2,492 · · 0 Indirect -100.00% Disposed (price as of 2026-10-05)
June 1, 2021 KWR A 446 · · 1,973 Direct +29.21% Acquired (price as of 2026-10-05)
May 7, 2021 TNC A 8,808 · · 8,808 Direct · Acquired (price as of 2026-10-05)
May 7, 2021 TNC A 12,831 · · 15,304 Direct +518.84% Acquired (price as of 2026-10-05)
May 7, 2021 TNC A 2,473 · · 2,473 Direct · Acquired (price as of 2026-10-05)
Feb. 25, 2021 SXC A 63,716 · · 63,716 Direct · Acquired (price as of 2026-10-05)
Feb. 25, 2021 SXC J 13,703 $6.68 $91,536 158,924 Direct +9.44% Acquired 50.8% (price as of 2026-10-05)
Feb. 19, 2021 SXC M 15,598 · · 31,195 Direct -33.33% Disposed (price as of 2026-10-05)
Feb. 19, 2021 SXC F 4,493 $6.36 $28,575 145,221 Direct -3.00% Disposed 58.4% (price as of 2026-10-05)
Feb. 19, 2021 SXC M 15,598 · · 149,714 Direct +11.63% Acquired (price as of 2026-10-05)
Feb. 14, 2021 SXC M 4,092 · · 0 Direct -100.00% Disposed (price as of 2026-10-05)
Feb. 14, 2021 SXC F 1,416 $6.06 $8,581 134,116 Direct -1.04% Disposed 66.3% (price as of 2026-10-05)
Feb. 14, 2021 SXC M 4,092 · · 135,532 Direct +3.11% Acquired (price as of 2026-10-05)
Feb. 13, 2021 SXC M 6,950 · · 6,950 Direct -50.00% Disposed (price as of 2026-10-05)
Feb. 13, 2021 SXC F 2,405 $6.06 $14,574 131,440 Direct -1.80% Disposed 66.3% (price as of 2026-10-05)
Feb. 13, 2021 SXC M 6,950 · · 133,845 Direct +5.48% Acquired (price as of 2026-10-05)
June 1, 2020 KWR A 183 · · 1,527 Direct +13.62% Acquired (price as of 2026-10-05)
June 1, 2020 KWR A 379 · · 1,344 Direct +39.27% Acquired (price as of 2026-10-05)
June 1, 2020 KWR A 496 · · 965 Direct +105.76% Acquired (price as of 2026-10-05)
Feb. 19, 2020 SXC A 46,793 · · 46,793 Direct · Acquired (price as of 2026-10-05)
Feb. 19, 2020 SXC J 9,600 $6.04 $57,984 126,895 Direct +8.18% Acquired 66.8% (price as of 2026-10-05)
Feb. 15, 2020 SXC M 2,802 · · 0 Direct -100.00% Disposed (price as of 2026-10-05)
Feb. 15, 2020 SXC F 934 $6.02 $5,623 117,295 Direct -0.79% Disposed 67.4% (price as of 2026-10-05)
Feb. 15, 2020 SXC M 2,802 · · 118,229 Direct +2.43% Acquired (price as of 2026-10-05)
Feb. 14, 2020 SXC M 4,093 · · 4,092 Direct -50.01% Disposed (price as of 2026-10-05)
Feb. 14, 2020 SXC F 1,417 $6.02 $8,530 115,427 Direct -1.21% Disposed 67.4% (price as of 2026-10-05)
Feb. 14, 2020 SXC M 4,093 · · 116,844 Direct +3.63% Acquired (price as of 2026-10-05)
Feb. 13, 2020 SXC M 6,951 · · 13,900 Direct -33.34% Disposed (price as of 2026-10-05)
Feb. 13, 2020 SXC F 2,406 $6.18 $14,869 112,751 Direct -2.09% Disposed 63.0% (price as of 2026-10-05)
Feb. 13, 2020 SXC M 6,951 · · 115,157 Direct +6.42% Acquired (price as of 2026-10-05)
June 1, 2019 KWR A 469 · · 860 Direct +119.95% Acquired (price as of 2026-10-05)
Feb. 17, 2019 SXC J 75,951 $9.87 $749,636 104,367 Direct +267.28% Acquired 2.1% (price as of 2026-10-05)
Feb. 15, 2019 SXC M 2,802 · · 2,802 Direct -50.00% Disposed (price as of 2026-10-05)
Feb. 15, 2019 SXC F 1,242 $9.87 $12,259 32,255 Direct -3.71% Disposed 2.1% (price as of 2026-10-05)
Feb. 15, 2019 SXC M 2,802 · · 33,497 Direct +9.13% Acquired (price as of 2026-10-05)
Feb. 14, 2019 SXC M 4,093 · · 8,185 Direct -33.34% Disposed (price as of 2026-10-05)
Feb. 14, 2019 SXC F 1,814 $9.61 $17,433 30,695 Direct -5.58% Disposed 4.8% (price as of 2026-10-05)
Feb. 14, 2019 SXC M 4,093 · · 32,509 Direct +14.40% Acquired (price as of 2026-10-05)
Feb. 13, 2019 SXC A 33,545 $9.87 $331,089 67,090 Direct +100.00% Acquired 2.1% (price as of 2026-10-05)
Feb. 13, 2019 SXC A 20,851 · · 41,702 Direct +100.00% Acquired (price as of 2026-10-05)
Oct. 1, 2018 SXC M 2,986 · · 0 Direct -100.00% Disposed (price as of 2026-10-05)
Oct. 1, 2018 SXC F 875 · · 28,416 Direct -2.99% Disposed (price as of 2026-10-05)
Oct. 1, 2018 SXC M 2,986 · · 29,291 Direct +11.35% Acquired (price as of 2026-10-05)
June 1, 2018 KWR A 391 · · 1,079 Direct +56.83% Acquired (price as of 2026-10-05)
June 1, 2018 KWR A 267 $154.08 $41,139 688 Direct +63.42% Acquired 4.0% (price as of 2026-10-05)
Feb. 18, 2018 SXC M 3,037 · · 0 Direct -100.00% Disposed (price as of 2026-10-05)
Feb. 18, 2018 SXC F 1,051 $10.80 $11,351 26,305 Direct -3.84% Disposed -6.7% (price as of 2026-10-05)
Feb. 18, 2018 SXC M 3,037 · · 27,356 Direct +12.49% Acquired (price as of 2026-10-05)
Feb. 15, 2018 SXC M 2,802 · · 5,604 Direct -33.33% Disposed (price as of 2026-10-05)
Feb. 15, 2018 SXC F 970 $10.61 $10,292 24,319 Direct -3.84% Disposed -5.0% (price as of 2026-10-05)
Feb. 15, 2018 SXC M 2,802 · · 25,289 Direct +12.46% Acquired (price as of 2026-10-05)
Feb. 14, 2018 SXC J 80 $10.49 $839 22,487 Direct +0.36% Acquired -4.0% (price as of 2026-10-05)
Feb. 14, 2018 SXC A 23,940 $10.49 $251,131 23,940 Direct · Acquired -4.0% (price as of 2026-10-05)
Feb. 14, 2018 SXC A 12,278 · · 12,278 Direct · Acquired (price as of 2026-10-05)
Oct. 1, 2017 SXC M 2,987 · · 2,986 Direct -50.01% Disposed (price as of 2026-10-05)
Oct. 1, 2017 SXC F 965 · · 22,407 Direct -4.13% Disposed (price as of 2026-10-05)
Oct. 1, 2017 SXC M 2,987 · · 23,372 Direct +14.65% Acquired (price as of 2026-10-05)
June 1, 2017 KWR A 421 · · 1,286 Direct +48.67% Acquired (price as of 2026-10-05)
June 1, 2017 KWR A 295 $139.55 $41,167 865 Direct +51.75% Acquired 14.8% (price as of 2026-10-05)
Feb. 26, 2017 SXC M 2,040 · · 0 Direct -100.00% Disposed (price as of 2026-10-05)
Feb. 26, 2017 SXC F 743 $9.55 $7,096 20,385 Direct -3.52% Disposed 5.5% (price as of 2026-10-05)
Feb. 26, 2017 SXC M 2,040 · · 21,128 Direct +10.69% Acquired (price as of 2026-10-05)
Feb. 18, 2017 SXC M 3,037 · · 3,037 Direct -50.00% Disposed (price as of 2026-10-05)

Showing latest 100 of 154 transactions

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
June 1, 2026 KWR Restricted Stock Units Common Stock (975) · · 975 Acquired
May 31, 2026 KWR Dividend Equivalent Rights Common Stock (18) · May 31, 2026 18 Disposed
May 31, 2026 KWR Restricted Stock Units Common Stock (1,198) · · 1,198 Disposed
Aug. 27, 2025 ATRO Restricted Stock Unit $.01 PV Com Stk (6,055) · · 6,055 Disposed
June 1, 2025 KWR Restricted Stock Units Common Stock (1,198) · · 1,198 Acquired
May 31, 2025 KWR Dividend Equivalent Rights Common Stock (9) · May 31, 2025 9 Disposed
May 31, 2025 KWR Restricted Stock Units Common Stock (716) · · 716 Disposed
Feb. 27, 2025 ATRO Restricted Stock Unit $.01 PV Com Stk (6,055) · · 6,055 Acquired
June 1, 2024 KWR Restricted Stock Units Common Stock (716) · · 716 Acquired
Feb. 28, 2023 TNC Employee Stock Option (right to buy) Common Stock (9,290) $72.88 Feb. 28, 2033 9,290 Acquired
March 1, 2022 TNC Employee Stock Option (right to buy) Common Stock (9,312) $78.78 March 1, 2032 9,312 Acquired
May 7, 2021 TNC Employee Stock Option (right to buy) Common Stock (8,808) $85.73 May 7, 2031 8,808 Acquired
Feb. 25, 2021 SXC RSU's (02.25.2021) [F1] Common Stock (63,716) · Feb. 25, 2024 63,716 Acquired
Feb. 19, 2021 SXC RSU's (02.19.2020) [F3] Common Stock (15,598) · Feb. 19, 2023 15,598 Disposed
Feb. 14, 2021 SXC RSU's (02.14.18) [F3] Common Stock (4,092) · Feb. 14, 2021 4,092 Disposed
Feb. 13, 2021 SXC RSU's (02.13.19) [F3] Common Stock (6,950) · Feb. 13, 2022 6,950 Disposed
Feb. 19, 2020 SXC RSU's (02.19.2020) [F2] Common Stock (46,793) · Feb. 19, 2023 46,793 Acquired
Feb. 15, 2020 SXC RSU's (02.15.17) [F3] Common Stock (2,802) · Feb. 15, 2020 2,802 Disposed
Feb. 14, 2020 SXC RSU's (02.14.18) [F3] Common Stock (4,093) · Feb. 14, 2021 4,093 Disposed
Feb. 13, 2020 SXC RSU's (02.13.19) [F3] Common Stock (6,951) · Feb. 13, 2022 6,951 Disposed
Feb. 15, 2019 SXC RSU's (02.15.17) [F3] Common Stock (2,802) · Feb. 15, 2021 2,802 Disposed
Feb. 14, 2019 SXC RSU's (02.14.18) [F3] Common Stock (4,093) · Feb. 14, 2021 4,093 Disposed
Feb. 13, 2019 SXC Stock Options (02.13.19) [F4] Common Stock (33,545) $9.87 Feb. 13, 2029 33,545 Acquired
Feb. 13, 2019 SXC RSU's (02.13.19) [F2] Common Stock (20,851) · Feb. 13, 2022 20,851 Acquired
Oct. 1, 2018 SXC RSU's (Oct 2015) [F2] Common Stock (2,986) · · 2,986 Disposed
Feb. 18, 2018 SXC RSU's (Feb 2015) [F2] Common Stock (3,037) · · 3,037 Disposed
Feb. 15, 2018 SXC RSU's (02.15.17) [F2] Common Stock (2,802) · Feb. 15, 2021 2,802 Disposed
Feb. 14, 2018 SXC Market Options (02.14.18) [F3] Common Stock (23,940) $10.49 Feb. 14, 2028 23,940 Acquired
Feb. 14, 2018 SXC RSU's (02.14.18) [F1] Common Stock (12,278) · Feb. 14, 2021 12,278 Acquired
Oct. 1, 2017 SXC RSU's (Oct 2015) [F2] Common Stock (2,987) · · 2,987 Disposed
Feb. 26, 2017 SXC RSU's (Feb 2014) [F2] Common Stock (2,040) · · 2,040 Disposed
Feb. 18, 2017 SXC RSU's (Feb 2015) [F2] Common Stock (3,037) · · 3,037 Disposed
Feb. 15, 2017 SXC Performance Options (02.15.17) [F4] Common Stock (9,105) $9.85 Feb. 15, 2027 9,105 Acquired
Feb. 15, 2017 SXC Market Options (02.15.17) [F3] Common Stock (8,007) $9.85 Feb. 15, 2027 8,007 Acquired
Feb. 15, 2017 SXC RSU's (02.15.17) [F1] Common Stock (8,406) · Feb. 15, 2021 8,406 Acquired
Oct. 1, 2016 SXC RSU's (Oct 2015) [F2] Common Stock (2,987) · · 2,987 Disposed
Feb. 26, 2016 SXC RSU's (Feb 2014) [F2] Common Stock (2,040) · · 2,040 Disposed
Feb. 20, 2016 SXC RSU's (Feb 2013) [F2] Common Stock (2,265) · · 2,265 Disposed
Feb. 18, 2016 SXC RSU's (Feb 2015) [F2] Common Stock (3,038) · · 3,038 Disposed
Feb. 17, 2016 SXC Performance Options (02.17.2016) [F2] Common Stock (24,210) $3.80 Feb. 17, 2026 24,210 Acquired
Feb. 17, 2016 SXC Market Options (02.17.2016) [F1] Common Stock (24,211) $3.80 Feb. 17, 2026 24,211 Acquired
Oct. 1, 2015 SXC Stock Options 2015.10.01 [F3] Common Stock (39,682) $8.37 Oct. 1, 2025 39,682 Acquired
Oct. 1, 2015 SXC RSU's (Oct 2015) [F1] Common Stock (8,960) $0.00 · 8,960 Acquired
July 21, 2015 SXC Common Stock Units [F3] Common Stock (2,692) · · 2,692 Disposed
Feb. 26, 2015 SXC RSU's (February 2014) Common Stock (2,041) · · 2,041 Disposed
Feb. 20, 2015 SXC Restricted Share Units (Feb 2013) Common Stock (2,265) · · 2,265 Disposed
Feb. 18, 2015 SXC Stock Options (Right to Buy) (02.18.15) [F4] Common Stock (32,754) $16.90 Feb. 18, 2025 32,754 Acquired
Feb. 18, 2015 SXC Restricted Share Units (02.18.15) [F1] Common Stock (9,112) · · 9,112 Acquired
July 21, 2014 SXC Common Stock Units [F3] Common Stock (897) · · 897 Disposed
Feb. 26, 2014 SXC Stock Options (February 2014) Common Stock (8,069) $22.30 Feb. 26, 2024 8,069 Acquired
Feb. 26, 2014 SXC RSU's (February 2014) Common Stock (6,121) · Feb. 26, 2017 6,121 Acquired
Feb. 20, 2014 SXC Restricted Share Units (Feb 2013) Common Stock (2,266) · · 2,266 Disposed
July 19, 2013 SXC Common Stock Units [F3] Common Stock (897) · · 897 Disposed
Feb. 20, 2013 SXC Stock Options (Right to Buy) (Feb 2013) [F4] Common Stock (8,034) $16.55 Feb. 20, 2023 8,034 Acquired
Feb. 20, 2013 SXC Restricted Share Units (Feb 2013) [F1] Common Stock (6,796) · · 6,796 Acquired
July 23, 2012 SXC Common Stock Units [F3] Common Stock (896) · · 896 Disposed
July 26, 2011 SXC Common Stock Unit [F2] Common Stock (5,382) · · 5,382 Acquired
July 26, 2011 SXC Stock Options (Right to Buy) [F1] Common Stock (31,515) $17.39 July 23, 2021 31,515 Acquired

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

Compensation (DEF 14A)

08

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

TNC

CFO
Fiscal yearSalaryBonusStock awards Option awardsNon-equity incentivePension changeOtherTotal
2025 $592,095 · $954,369 · $79,150 · $102,964 $1,728,577
2024 $574,928 · $926,666 · $400,132 · $138,339 $2,040,065
2023 $558,183 · $674,723 $224,923 $787,188 · $110,887 $2,355,904

SXC

Fiscal yearSalaryBonusStock awards Option awardsNon-equity incentivePension changeOtherTotal
2021 $176,944 · · · · · $34,287 $837,863
2020 $502,438 · · · $282,632 · $76,830 $1,379,737
2019 $487,692 · · · $457,562 · $68,501 $1,731,637

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