Insider NameBuy/SellAmountShares Change
Jul 31, 2024Aug 02, 2024Van Gunsteren Job Leonard
SVP
GM
Specialty Products
Sell$180.05$1M-47.58%
Jul 30, 2024Aug 01, 2024Backus William A.
VP
Chief Accounting Officer
Sell$178.93$859,560-48.41%
May 10, 2024May 13, 2024Sestrick Michael Robert
SVP
CTO
Sell$154.45$297,935-28.34%
May 08, 2024May 10, 2024Fischer David B
Dir
Sell$152.98$764,902-35.69%
Mar 08, 2024Mar 12, 2024Tignor Michael Brent
SVP
CHRO
Sell$157.52$840,985-38.95%
Mar 04, 2024Mar 06, 2024Wineinger Matthew David
Dir
Sell$156.89$209,128-17.79%
Feb 23, 2024Feb 27, 2024Backus William A.
VP
Chief Accounting Officer
Sell$155.86$3M-73.23%
Feb 21, 2024Feb 23, 2024Backus William A.
VP
Chief Accounting Officer
Sell$154.74$2M-53.74%
Feb 21, 2024Feb 23, 2024Sestrick Michael Robert
SVP
CTO
Sell$153.21$2M-62.23%
Feb 21, 2024Feb 23, 2024Harris Theodore L
COB
Pres
CEO
Sell$153.96$10M-49.09%
Sep 11, 2023Sep 12, 2023Fischer David B
Dir
Sell$131.57$499,979-22.00%
May 02, 2023May 04, 2023Sestrick Michael Robert
SVP
CTO
Sell$130.36$299,837-29.78%
Mar 20, 2023Mar 22, 2023Fischer David B
Dir
Sell$127.01$381,021-14.80%
Aug 12, 2022Aug 16, 2022Van Gunsteren Job Leonard
VP
Sell$131.12$131,121-41.15%
Aug 03, 2022Aug 05, 2022Van Gunsteren Job Leonard
VP
Sell$126$626,475-77.66%
Aug 06, 2021Aug 09, 2021Backus William A.
Chief Accounting Officer
Sell$133.11$3M-66.44%
Nov 13, 2020Nov 16, 2020Mason Scott C
VP
Sell$103$309,000-23.67%
Aug 29, 2019Aug 30, 2019Ludwig David F
VP
Specialty
In
Sell$90$1M-40.19%
Aug 05, 2019Aug 05, 2019Mason Scott C
VP
Buy$84.74$254,220+19.32%
Nov 13, 2018Nov 14, 2018Knutson Daniel E
Dir
Buy$89.11$57,922+30.30%
Jun 15, 2017Jun 15, 2017McMillan Edward
Dir
Sell$81.09$207,301-9.04%
Mar 13, 2017Mar 13, 2017Backus William A.
CFO
Treasurer
Sell$83.6$4M-74.30%
Mar 03, 2017Mar 03, 2017Backus William A.
CFO
Treasurer
Sell$86.88$1M-45.49%
Jan 03, 2017Jan 06, 2017Rossi Dino A
Retired Director
Sell$83.26$62,195-2.89%
Jan 04, 2017Jan 04, 2017McMillan Edward
Dir
Sell$85$131,750-5.43%
Dec 07, 2016Dec 08, 2016Rossi Dino A
Dir
Sell$84.68$1M-41.11%
Nov 15, 2016Nov 16, 2016Rossi Dino A
Dir
Sell$77.85$1M-49.45%
Oct 06, 2016Oct 07, 2016Rossi Dino A
Dir
Sell$78.57$1M-52.15%
Sep 20, 2016Sep 21, 2016Houston Matthew David
GC
Secretary
Sell$67.83$271,320-16.63%
Sep 08, 2016Sep 09, 2016Rossi Dino A
Dir
Sell$68.26$1M-34.28%
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