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United States Chemicals

NewMarket Corp (NEU)

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The most recent insider transaction at NewMarket Corp was a BUY of 400 shares by Xu Ting on February 24, 2026. Prior to this, significant SELL transactions were observed in March 2024, primarily by Chairman, President & CEO Thomas E. Gottwald, totaling over $3.5 million. Bruce R. Hazelgrove III also engaged in SELL transactions in May 2025 and August 2024.
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Ticker: NEU Exchange: NYS
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• Purchase • Sale • Planned purchase • Planned sale Net purchase Net sale Activity signal Earnings
Top insiders
Trades
Xu Ting
1 purchase — total 247,684 USD
Buy 24 Feb 2026
Value US$2,942,208.75 | Price 424.26 | Shares 89,492
Proposed sale 12 May 2025
Value US$4,738,701.76 | Price 272.54 | Shares 63,003
Sale 12 May 2025
Value US$199,795.73 | Price 642.43 | Shares 311
Sale 9 Aug 2024
Value US$17,996.88 | Price 545.36 | Shares 33
Sale 9 Aug 2024
Value US$673,274.36 | Price 544.28 | Shares 1,237
Proposed sale 9 Aug 2024
Value US$691,235.00 | Price 544.28 | Shares 1,270
Sale 6 Mar 2024
Value US$136,512.00 | Price 632.00 | Shares 216
Sale 5 Mar 2024
Value US$1,929,420.00 | Price 643.14 | Shares 3,000
Sale 4 Mar 2024
Value US$294,454.53 | Price 650.01 | Shares 453
Sale 4 Mar 2024
Value US$5,184.64 | Price 648.08 | Shares 8
Sale 4 Mar 2024
Value US$556,936.00 | Price 647.60 | Shares 860
Sale 4 Mar 2024
Value US$663,103.80 | Price 646.30 | Shares 1,026
Sale 4 Mar 2024
Value US$1,636,948.51 | Price 645.23 | Shares 2,537
Sale 6 Feb 2023
Value US$141,574.32 | Price 360.24 | Shares 393
Sale 8 Nov 2021
Value US$186,432.89 | Price 337.13 | Shares 553
Sale 31 Oct 2019
Value US$81,936.36 | Price 479.16 | Shares 171
Sale 22 Feb 2019
Value US$355,687.80 | Price 441.30 | Shares 806
Sale 22 Feb 2019
Value US$43,800.00 | Price 438.00 | Shares 100
Sale 22 Feb 2019
Value US$87,400.00 | Price 437.00 | Shares 200
Sale 22 Feb 2019
Value US$402,047.32 | Price 436.06 | Shares 922
Sale 22 Feb 2019
Value US$1,293,533.28 | Price 435.24 | Shares 2,972
Sale 21 Feb 2019
Value US$88,090.00 | Price 440.45 | Shares 200
Sale 21 Feb 2019
Value US$1,870,014.96 | Price 439.28 | Shares 4,257
Sale 21 Feb 2019
Value US$468,981.00 | Price 438.30 | Shares 1,070
Sale 21 Feb 2019
Value US$206,691.54 | Price 436.98 | Shares 473
Sale 12 Feb 2019
Value US$216,983.50 | Price 433.97 | Shares 500
Buy 1 May 2018
Value US$37,700.00 | Price 377.00 | Shares 100
Buy 1 May 2018
Value US$62,008.40 | Price 378.10 | Shares 164
Sale 15 May 2017
Value US$105,478.00 | Price 458.60 | Shares 230
Sale 28 Feb 2017
Value US$910,457.92 | Price 436.88 | Shares 2,084
Sale 28 Feb 2017
Value US$132,000.00 | Price 440.00 | Shares 300
Sale 28 Feb 2017
Value US$226,524.00 | Price 439.00 | Shares 516
Sale 28 Feb 2017
Value US$925,470.00 | Price 440.70 | Shares 2,100
Sale 17 Nov 2015
Value US$109,809.20 | Price 400.76 | Shares 274
Sale 24 Apr 2015
Value US$185,399.00 | Price 463.50 | Shares 400
Sale 25 Feb 2015
Value US$3,809,349.00 | Price 470.29 | Shares 8,100
Sale 25 Feb 2015
Value US$901,740.00 | Price 474.60 | Shares 1,900
Sale 3 Feb 2015
Value US$132,914.46 | Price 452.09 | Shares 294
Sale 6 Nov 2014
Value US$232,046.10 | Price 386.10 | Shares 601
Sale 31 Oct 2014
Value US$93,602.00 | Price 385.19 | Shares 243
Sale 26 Aug 2014
Value US$408,410.00 | Price 408.41 | Shares 1,000
Sale 26 Aug 2014
Value US$541,133.44 | Price 407.48 | Shares 1,328
Sale 26 Aug 2014
Value US$3,118,744.72 | Price 406.51 | Shares 7,672
Sale 21 Feb 2014
Value US$257,089.00 | Price 367.27 | Shares 700
Sale 11 Nov 2013
Value US$312,090.30 | Price 312.09 | Shares 1,000
Sale 1 May 2013
Value US$263,213.80 | Price 263.21 | Shares 1,000
Buy 30 Jan 2013
Value US$128,035.00 | Price 256.07 | Shares 500
Buy 30 Jan 2013
Value US$51,234.00 | Price 256.17 | Shares 200
Sale 1 Nov 2012
Value US$277,360.30 | Price 277.36 | Shares 1,000
Sale 26 Apr 2011
Value US$1,040,820.00 | Price 182.60 | Shares 5,700
Sale 26 Apr 2011
Value US$1,688,136.00 | Price 181.52 | Shares 9,300
Sale 16 Nov 2010
Value US$1,159,122.84 | Price 119.50 | Shares 9,700
Sale 16 Nov 2010
Value US$330,718.92 | Price 118.11 | Shares 2,800
Sale 16 Nov 2010
Value US$293,171.00 | Price 117.27 | Shares 2,500
Sale 24 Nov 2009
Value US$110,363.20 | Price 110.36 | Shares 1,000
Sale 23 Nov 2009
Value US$112,000.00 | Price 112.00 | Shares 1,000
Sale 25 Jun 2009
Value US$14,805.25 | Price 66.69 | Shares 222
Sale 28 May 2009
Value US$16,505.73 | Price 71.15 | Shares 232
Buy 20 Nov 2008
Value US$9,496.96 | Price 26.98 | Shares 352
Buy 27 Aug 2008
Value US$110,279.00 | Price 64.87 | Shares 1,700
Buy 27 Aug 2008
Value US$97,419.72 | Price 64.86 | Shares 1,502
Buy 27 Aug 2008
Value US$188,065.00 | Price 64.85 | Shares 2,900
Buy 27 Aug 2008
Value US$6,484.50 | Price 64.85 | Shares 100
Buy 27 Aug 2008
Value US$45,388.00 | Price 64.84 | Shares 700
Buy 27 Aug 2008
Value US$6,483.80 | Price 64.84 | Shares 100
Buy 27 Aug 2008
Value US$12,967.00 | Price 64.84 | Shares 200
Buy 27 Aug 2008
Value US$12,966.00 | Price 64.83 | Shares 200
Buy 27 Aug 2008
Value US$12,964.00 | Price 64.82 | Shares 200
Buy 27 Aug 2008
Value US$6,481.50 | Price 64.82 | Shares 100
Buy 27 Aug 2008
Value US$58,329.00 | Price 64.81 | Shares 900
Buy 27 Aug 2008
Value US$6,480.50 | Price 64.81 | Shares 100
Buy 27 Aug 2008
Value US$78,343.20 | Price 64.80 | Shares 1,209
Buy 27 Aug 2008
Value US$71,139.42 | Price 64.79 | Shares 1,098
Buy 27 Aug 2008
Value US$13,150.34 | Price 64.78 | Shares 203
Buy 27 Aug 2008
Value US$9,715.50 | Price 64.77 | Shares 150
Abbreviations B: Buy, S: Sell, PP: Planned purchase, PlS: Planned sale, PrS: Proposed sale, O: Option / Other
Notification date Transaction date B/S Transaction type Insider and/or position Nb. shares
Price
Value 		Number of shares Price Value Details
2026-02-25 2026-02-24 B Purchase
Xu Ting
Non-Executive Director
89,492 -37.0%
424.26
US$2,942,209 		89,492 -37.0% 424.26 US$2,942,209
2025-05-14 2025-05-12 PrS Proposed sale
2.1
HAZELGROVE BRUCE R III

Officer

Officer
63,003
272.54
US$4,738,702 		63,003 272.54 US$4,738,702
2025-05-14 2025-05-12 S Sale
2.1
Hazelgrove Bruce R III

EVP & CAO

Officer
40,298 +36.1%
424.30
US$203,027 		40,298 +36.1% 424.30 US$203,027
2024-08-13 2024-08-09 S Sale
2.1
Hazelgrove Bruce R III

EVP & CAO

Officer
33 -8.4%
545.36
US$17,997 		33 -8.4% 545.36 US$17,997
2024-08-13 2024-08-09 S Sale
2.1
Hazelgrove Bruce R III

EVP & CAO

Officer
1,237 -76.0%
544.28
US$673,274 		1,237 -76.0% 544.28 US$673,274
2024-08-09 2024-08-09 PrS Proposed sale
2.1
Hazelgrove Bruce R III

Officer

Officer
1,270
544.28
US$691,235 		1,270 544.28 US$691,235
2024-03-08 2024-03-06 S Sale
3.5
GOTTWALD THOMAS E

Chairman, President & CEO

Executive Director
216 -0.1%
632.00
US$136,512 		216 -0.1% 632.00 US$136,512
2024-03-07 2024-03-05 S Sale
3.5
GOTTWALD THOMAS E

Chairman, President & CEO

Executive Director
3,000 -1.9%
643.14
US$1,929,420 		3,000 -1.9% 643.14 US$1,929,420
2024-03-06 2024-03-04 S Sale
3.5
GOTTWALD THOMAS E

Chairman, President & CEO

Executive Director
453 -0.3%
650.01
US$294,455 		453 -0.3% 650.01 US$294,455
2024-03-06 2024-03-04 S Sale
3.5
GOTTWALD THOMAS E

Chairman, President & CEO

Executive Director
8 -0.0%
648.08
US$5,185 		8 -0.0% 648.08 US$5,185
2024-03-06 2024-03-04 S Sale
3.5
GOTTWALD THOMAS E

Chairman, President & CEO

Executive Director
860 -0.5%
647.60
US$556,936 		860 -0.5% 647.60 US$556,936
2024-03-06 2024-03-04 S Sale
3.5
GOTTWALD THOMAS E

Chairman, President & CEO

Executive Director
1,026 -0.6%
646.30
US$663,104 		1,026 -0.6% 646.30 US$663,104
2024-03-06 2024-03-04 S Sale
3.5
GOTTWALD THOMAS E

Chairman, President & CEO

Executive Director
2,537 -1.6%
645.23
US$1,636,949 		2,537 -1.6% 645.23 US$1,636,949
2023-02-06 2023-02-06 S Sale
3.0
ROGERS JAMES E
Non-Executive Director
393 -10.9%
360.24
US$141,574 		393 -10.9% 360.24 US$141,574
2021-11-10 2021-11-08 S Sale
3.0
ROGERS JAMES E
Non-Executive Director
553 -14.4%
337.13
US$186,433 		553 -14.4% 337.13 US$186,433
2019-10-31 2019-10-31 S Sale
2.1
Hazelgrove Bruce R III

EVP & CAO
171 -32.3%
479.16
US$81,936 		171 -32.3% 479.16 US$81,936
2019-02-25 2019-02-22 S Sale
3.5
GOTTWALD THOMAS E

Chairman, President & CEO

Executive Director
806 -0.6%
441.30
US$355,688 		806 -0.6% 441.30 US$355,688
2019-02-25 2019-02-22 S Sale
3.5
GOTTWALD THOMAS E

Chairman, President & CEO

Executive Director
100 -0.1%
438.00
US$43,800 		100 -0.1% 438.00 US$43,800
2019-02-25 2019-02-22 S Sale
3.5
GOTTWALD THOMAS E

Chairman, President & CEO

Executive Director
200 -0.1%
437.00
US$87,400 		200 -0.1% 437.00 US$87,400
2019-02-25 2019-02-22 S Sale
3.5
GOTTWALD THOMAS E

Chairman, President & CEO

Executive Director
922 -0.6%
436.06
US$402,047 		922 -0.6% 436.06 US$402,047
2019-02-25 2019-02-22 S Sale
3.5
GOTTWALD THOMAS E

Chairman, President & CEO

Executive Director
2,972 -2.0%
435.24
US$1,293,533 		2,972 -2.0% 435.24 US$1,293,533
2019-02-25 2019-02-21 S Sale
3.5
GOTTWALD THOMAS E

Chairman, President & CEO

Executive Director
200 -0.1%
440.45
US$88,090 		200 -0.1% 440.45 US$88,090
2019-02-25 2019-02-21 S Sale
3.5
GOTTWALD THOMAS E

Chairman, President & CEO

Executive Director
4,257 -2.0%
439.28
US$1,870,015 		4,257 -2.0% 439.28 US$1,870,015
2019-02-25 2019-02-21 S Sale
3.5
GOTTWALD THOMAS E

Chairman, President & CEO

Executive Director
1,070 -0.5%
438.30
US$468,981 		1,070 -0.5% 438.30 US$468,981
2019-02-25 2019-02-21 S Sale
3.5
GOTTWALD THOMAS E

Chairman, President & CEO

Executive Director
473 -0.2%
436.98
US$206,692 		473 -0.2% 436.98 US$206,692
2019-02-14 2019-02-12 S Sale
3.0
ROGERS JAMES E
Non-Executive Director
500 -11.3%
433.97
US$216,984 		500 -11.3% 433.97 US$216,984
2018-05-02 2018-05-01 B Purchase Warner Cameron D.

Treasurer & Corp Dev Dir

Officer
100 +13.1%
377.00
US$37,700 		100 +13.1% 377.00 US$37,700
2018-05-02 2018-05-01 B Purchase Warner Cameron D.

Treasurer & Corp Dev Dir

Officer
164 +27.4%
378.10
US$62,008 		164 +27.4% 378.10 US$62,008
2017-05-16 2017-05-15 S Sale Shama Robert A.

President Afton Chemical Corp

Officer
230 -11.1%
458.60
US$105,478 		230 -11.1% 458.60 US$105,478
2017-02-28 2017-02-28 S Sale GOTTWALD THOMAS E

Chairman, President & CEO

Executive Director
2,084 -2.3%
436.88
US$910,458 		2,084 -2.3% 436.88 US$910,458
2017-02-28 2017-02-28 S Sale GOTTWALD THOMAS E

Chairman, President & CEO

Executive Director
300 -0.3%
440.00
US$132,000 		300 -0.3% 440.00 US$132,000
2017-02-28 2017-02-28 S Sale GOTTWALD THOMAS E

Chairman, President & CEO

Executive Director
516 -0.6%
439.00
US$226,524 		516 -0.6% 439.00 US$226,524
2017-02-28 2017-02-28 S Sale GOTTWALD THOMAS E

Chairman, President & CEO

Executive Director
2,100 -2.3%
440.70
US$925,470 		2,100 -2.3% 440.70 US$925,470
2015-11-19 2015-11-17 S Sale Shama Robert A.

President Afton Chemical Corp

Officer
274 -12.3%
400.76
US$109,809 		274 -12.3% 400.76 US$109,809
2015-04-28 2015-04-24 S Sale Hazelgrove Bruce R III

Vice President & CAO

Officer
400 -37.4%
463.50
US$185,399 		400 -37.4% 463.50 US$185,399
2015-02-27 2015-02-25 S Sale GOTTWALD THOMAS E

Chairman, President & CEO

Executive Director
8,100 -2.5%
470.29
US$3,809,349 		8,100 -2.5% 470.29 US$3,809,349
2015-02-27 2015-02-25 S Sale GOTTWALD THOMAS E

Chairman, President & CEO

Executive Director
1,900 -0.6%
474.60
US$901,740 		1,900 -0.6% 474.60 US$901,740
2015-02-04 2015-02-03 S Sale FIORENZA DAVID A

VP & Chief Financial Officer

Officer
294 -51.7%
452.09
US$132,914 		294 -51.7% 452.09 US$132,914
2014-11-07 2014-11-06 S Sale Shama Robert A.

President Afton Chemical Corp

Officer
601 -44.3%
386.10
US$232,046 		601 -44.3% 386.10 US$232,046
2014-11-03 2014-10-31 S Sale Hazelgrove Bruce R III

Vice President & CAO

Officer
243 -24.9%
385.19
US$93,602 		243 -24.9% 385.19 US$93,602
2014-08-28 2014-08-26 S Sale GOTTWALD THOMAS E

Chairman, President & CEO

Executive Director
1,000 -0.3%
408.41
US$408,410 		1,000 -0.3% 408.41 US$408,410
2014-08-28 2014-08-26 S Sale GOTTWALD THOMAS E

Chairman, President & CEO

Executive Director
1,328 -0.4%
407.48
US$541,133 		1,328 -0.4% 407.48 US$541,133
2014-08-28 2014-08-26 S Sale GOTTWALD THOMAS E

Chairman, President & CEO

Executive Director
7,672 -2.3%
406.51
US$3,118,745 		7,672 -2.3% 406.51 US$3,118,745
2014-02-24 2014-02-21 S Sale FIORENZA DAVID A

VP & Chief Financial Officer

Officer
700 -35.8%
367.27
US$257,089 		700 -35.8% 367.27 US$257,089
2013-11-12 2013-11-11 S Sale FIORENZA DAVID A

VP & Chief Financial Officer

Officer
1,000 -34.0%
312.09
US$312,090 		1,000 -34.0% 312.09 US$312,090
2013-05-03 2013-05-01 S Sale FIORENZA DAVID A

VP & Chief Financial Officer

Officer
1,000 -25.6%
263.21
US$263,214 		1,000 -25.6% 263.21 US$263,214
2013-01-31 2013-01-30 B Purchase GAMBILL MARK M Non-Executive Director
500 +47.3%
256.07
US$128,035 		500 +47.3% 256.07 US$128,035
2013-01-31 2013-01-30 B Purchase HANLEY PATRICK D Non-Executive Director
200 +6.8%
256.17
US$51,234 		200 +6.8% 256.17 US$51,234
2012-11-02 2012-11-01 S Sale FIORENZA DAVID A

VP & Chief Financial Officer

Officer
1,000 -22.1%
277.36
US$277,360 		1,000 -22.1% 277.36 US$277,360
2011-04-27 2011-04-26 S Sale GOTTWALD THOMAS E

President & CEO

Executive Director
5,700 -1.5%
182.60
US$1,040,820 		5,700 -1.5% 182.60 US$1,040,820
2011-04-27 2011-04-26 S Sale GOTTWALD THOMAS E

President & CEO

Executive Director
9,300 -2.4%
181.52
US$1,688,136 		9,300 -2.4% 181.52 US$1,688,136
2010-11-17 2010-11-16 S Sale GOTTWALD THOMAS E

President & CEO

Executive Director
9,700 -3.5%
119.50
US$1,159,123 		9,700 -3.5% 119.50 US$1,159,123
2010-11-17 2010-11-16 S Sale GOTTWALD THOMAS E

President & CEO

Executive Director
2,800 -1.0%
118.11
US$330,719 		2,800 -1.0% 118.11 US$330,719
2010-11-17 2010-11-16 S Sale GOTTWALD THOMAS E

President & CEO

Executive Director
2,500 -0.9%
117.27
US$293,171 		2,500 -0.9% 117.27 US$293,171
2009-11-25 2009-11-24 S Sale HUANG C S WARREN

President Afton Chemical Corp

Officer
1,000 -7.1%
110.36
US$110,363 		1,000 -7.1% 110.36 US$110,363
2009-11-25 2009-11-23 S Sale HUANG C S WARREN

President Afton Chemical Corp

Officer
1,000 -6.6%
112.00
US$112,000 		1,000 -6.6% 112.00 US$112,000
2010-08-11 2009-06-25 S Sale GAMBILL MARK M Non-Executive Director
222 -44.6%
66.69
US$14,805 		222 -44.6% 66.69 US$14,805
2010-08-11 2009-05-28 S Sale GAMBILL MARK M Non-Executive Director
232 -31.8%
71.15
US$16,506 		232 -31.8% 71.15 US$16,506
2008-11-21 2008-11-20 B Purchase Hazelgrove Bruce R III

VP - Corporate Resources

Officer
352 +inf%
26.98
US$9,497 		352 +inf% 26.98 US$9,497
2008-08-29 2008-08-27 B Purchase GOTTWALD BRUCE C Non-Executive Director Large shareholder
1,700 +0.2%
64.87
US$110,279 		1,700 +0.2% 64.87 US$110,279
2008-08-29 2008-08-27 B Purchase GOTTWALD BRUCE C Non-Executive Director Large shareholder
1,502 +0.2%
64.86
US$97,420 		1,502 +0.2% 64.86 US$97,420
2008-08-29 2008-08-27 B Purchase GOTTWALD BRUCE C Non-Executive Director Large shareholder
2,900 +0.4%
64.85
US$188,065 		2,900 +0.4% 64.85 US$188,065
2008-08-29 2008-08-27 B Purchase GOTTWALD BRUCE C Non-Executive Director Large shareholder
100 +0.0%
64.85
US$6,484 		100 +0.0% 64.85 US$6,484
2008-08-29 2008-08-27 B Purchase GOTTWALD BRUCE C Non-Executive Director Large shareholder
700 +0.1%
64.84
US$45,388 		700 +0.1% 64.84 US$45,388
2008-08-29 2008-08-27 B Purchase GOTTWALD BRUCE C Non-Executive Director Large shareholder
100 +0.0%
64.84
US$6,484 		100 +0.0% 64.84 US$6,484
2008-08-29 2008-08-27 B Purchase GOTTWALD BRUCE C Non-Executive Director Large shareholder
200 +0.0%
64.84
US$12,967 		200 +0.0% 64.84 US$12,967
2008-08-29 2008-08-27 B Purchase GOTTWALD BRUCE C Non-Executive Director Large shareholder
200 +0.0%
64.83
US$12,966 		200 +0.0% 64.83 US$12,966
2008-08-29 2008-08-27 B Purchase GOTTWALD BRUCE C Non-Executive Director Large shareholder
200 +0.0%
64.82
US$12,964 		200 +0.0% 64.82 US$12,964
2008-08-29 2008-08-27 B Purchase GOTTWALD BRUCE C Non-Executive Director Large shareholder
100 +0.0%
64.82
US$6,482 		100 +0.0% 64.82 US$6,482
2008-08-29 2008-08-27 B Purchase GOTTWALD BRUCE C Non-Executive Director Large shareholder
900 +0.1%
64.81
US$58,329 		900 +0.1% 64.81 US$58,329
2008-08-29 2008-08-27 B Purchase GOTTWALD BRUCE C Non-Executive Director Large shareholder
100 +0.0%
64.81
US$6,480 		100 +0.0% 64.81 US$6,480
2008-08-29 2008-08-27 B Purchase GOTTWALD BRUCE C Non-Executive Director Large shareholder
1,209 +0.2%
64.80
US$78,343 		1,209 +0.2% 64.80 US$78,343
2008-08-29 2008-08-27 B Purchase GOTTWALD BRUCE C Non-Executive Director Large shareholder
1,098 +0.1%
64.79
US$71,139 		1,098 +0.1% 64.79 US$71,139
2008-08-29 2008-08-27 B Purchase GOTTWALD BRUCE C Non-Executive Director Large shareholder
203 +0.0%
64.78
US$13,150 		203 +0.0% 64.78 US$13,150
2008-08-29 2008-08-27 B Purchase GOTTWALD BRUCE C Non-Executive Director Large shareholder
150 +0.0%
64.77
US$9,716 		150 +0.0% 64.77 US$9,716
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