Insider · CIK 0001189831

Bernstein H Carol Eckstein

Period1M 3M 6M 1Y 2Y All datashares as filed — not split-adjusted

Open-market buys & salesbuys $0 · 0sales $11.1M · 9net −$11.1M

Reported trades — common stock

Trade	Reported (ET)	Company	Shares	Avg price	Total	Owned after	Δ stake	Flags
Dec 31, 2018 AForm 4 →	Jan 2, 2019, 2:47 pm EST	CABOT MICROELECTRONICS CORPCCMP	116	$81.05	$9,408	45,828	—	plan?
Dec 12, 2018 GForm 4 →	Dec 13, 10:54 am EST	CABOT MICROELECTRONICS CORPCCMP	2,946	—	—	45,712	—	plan?
Dec 6, 2018 AFForm 4 →	Dec 10, 3:07 pm EST	CABOT MICROELECTRONICS CORPCCMP	3,413	$101.73	$347,204	48,658	—	plan?
Dec 3, 2018 FForm 4 →	Dec 6, 11:12 am EST	CABOT MICROELECTRONICS CORPCCMP	1,230	$109.21	$134,328	47,727	—	plan?
Jun 29, 2018 AForm 4 →	Jul 2, 3:55 pm EDT	CABOT MICROELECTRONICS CORPCCMP	45	$81.37	$3,653	48,957	—	plan?
Mar 13, 2018 SForm 4 →	Mar 14, 2:14 pm EDT	CABOT MICROELECTRONICS CORPCCMP	4,500	$112.34	$505,535	48,912	−8.43%	plan?
Jan 30, 2018 SForm 4 →	Feb 1, 8:45 am EST	CABOT MICROELECTRONICS CORPCCMP	19,425	$101.51	$1,971,847	53,412	−26.7%	plan?
Jan 30, 2018 MForm 4 →	Feb 1, 8:45 am EST	CABOT MICROELECTRONICS CORPCCMP	19,425	$47.03	$913,644	57,362	—	plan?
Dec 29, 2017 AForm 4 →	Jan 3, 2018, 12:24 pm EST	CABOT MICROELECTRONICS CORPCCMP	167	$62.37	$10,425	53,412	—	plan?
Dec 14, 2017 SForm 4 →	Dec 14, 4:11 pm EST	CABOT MICROELECTRONICS CORPCCMP	905	$91.94	$83,206	53,245	−1.67%	plan?
Dec 14, 2017 GForm 4 →	Dec 14, 4:11 pm EST	CABOT MICROELECTRONICS CORPCCMP	3,000	—	—	54,150	—	plan?
Dec 4, 2017 AFForm 4 →	Dec 6, 3:00 pm EST	CABOT MICROELECTRONICS CORPCCMP	5,350	$92.51	$494,949	57,150	—	plan?
Oct 30, 2017 SForm 4 →	Oct 30, 5:30 pm EDT	CABOT MICROELECTRONICS CORPCCMP	18,525	$94.48	$1,750,235	57,900	−24.2%	plan?
Oct 30, 2017 MForm 4 →	Oct 30, 5:30 pm EDT	CABOT MICROELECTRONICS CORPCCMP	18,525	$44.90	$831,758	64,200	—	plan?
Jun 30, 2017 AForm 4 →	Jul 5, 3:33 pm EDT	CABOT MICROELECTRONICS CORPCCMP	66	$53.59	$3,547	57,900	—	plan?
Mar 8, 2017 SForm 4 →	Mar 10, 4:07 pm EST	CABOT MICROELECTRONICS CORPCCMP	20,700	$69.49	$1,438,459	57,834	−26.4%	plan?
Mar 8, 2017 MForm 4 →	Mar 10, 4:07 pm EST	CABOT MICROELECTRONICS CORPCCMP	20,700	$32.64	$675,648	65,255	—	plan?
Dec 30, 2016 AForm 4 →	Jan 3, 2017, 5:40 pm EST	CABOT MICROELECTRONICS CORPCCMP	115	$36.12	$4,144	57,834	—	plan?
Dec 13, 2016 SForm 4 →	Dec 13, 5:42 pm EST	CABOT MICROELECTRONICS CORPCCMP	13,268	$62.52	$829,571	57,719	−18.7%	plan?
Dec 13, 2016 MForm 4 →	Dec 13, 5:42 pm EST	CABOT MICROELECTRONICS CORPCCMP	13,268	$27.94	$370,708	70,987	—	plan?
Dec 5, 2016 AFForm 4 →	Dec 6, 5:33 pm EST	CABOT MICROELECTRONICS CORPCCMP	11,644	$60.27	$165,381	57,719	—	plan?
Aug 25, 2016 SForm 4 →	Aug 25, 5:24 pm EDT	CABOT MICROELECTRONICS CORPCCMP	25,803	$50.42	$1,300,972	51,563	−33.4%	plan?
Aug 25, 2016 MForm 4 →	Aug 25, 5:24 pm EDT	CABOT MICROELECTRONICS CORPCCMP	25,803	$28.27	$729,452	64,842	—	plan?
Aug 1, 2016 SForm 4 →	Aug 2, 5:15 pm EDT	CABOT MICROELECTRONICS CORPCCMP	39,917	$50.33	$2,008,993	51,563	−43.6%	plan?
Aug 1, 2016 MForm 4 →	Aug 2, 5:15 pm EDT	CABOT MICROELECTRONICS CORPCCMP	39,917	$23.70	$945,845	64,063	—	plan?
Jun 30, 2016 AForm 4 →	Jul 5, 2:28 pm EDT	CABOT MICROELECTRONICS CORPCCMP	94	$35.99	$3,378	51,563	—	plan?
Dec 31, 2015 AForm 4 →	Jan 4, 2016, 3:44 pm EST	CABOT MICROELECTRONICS CORPCCMP	215	$37.21	$8,010	51,470	—	plan?
Dec 14, 2015 FForm 4 →	Dec 15, 1:32 pm EST	CABOT MICROELECTRONICS CORPCCMP	134	$41.47	$5,557	51,254	—	plan?
Dec 3, 2015 AFForm 4 →	Dec 7, 3:05 pm EST	CABOT MICROELECTRONICS CORPCCMP	7,858	$42.37	$66,012	51,388	—	plan?
Dec 1, 2015 FForm 4/A →	Dec 7, 4:57 pm EST	CABOT MICROELECTRONICS CORPCCMP	475	$42.44	$20,159	46,646	—	plan?
Dec 1, 2015 FForm 4 →	Dec 2, 4:19 pm EST	CABOT MICROELECTRONICS CORPCCMP	475	$42.44	$20,159	48,171	—	plan? amended
Jun 30, 2015 AForm 4 →	Jul 1, 3:00 pm EDT	CABOT MICROELECTRONICS CORPCCMP	85	$39.80	$3,378	47,121	—	plan?
Feb 4, 2015 SForm 4 →	Feb 4, 4:56 pm EST	CABOT MICROELECTRONICS CORPCCMP	23,392	$50.20	$1,174,218	47,036	−33.2%	plan?
Feb 4, 2015 MForm 4 →	Feb 4, 4:56 pm EST	CABOT MICROELECTRONICS CORPCCMP	23,392	$16.00	$374,272	70,428	—	plan?
Dec 31, 2014 AForm 4 →	Jan 5, 2015, 1:53 pm EST	CABOT MICROELECTRONICS CORPCCMP	140	$38.90	$5,464	47,036	—	plan?

Reported trades — derivatives (options, RSUs, warrants)

Trade	Reported (ET)	Company	Shares	Avg price	Total	Owned after	Δ stake
Dec 6, 2018 AForm 4 →	Dec 10, 3:07 pm EST	CABOT MICROELECTRONICS CORPCCMP	8,044	$101.73	$818,316	8,044	—
Jan 30, 2018 MForm 4 →	Feb 1, 8:45 am EST	CABOT MICROELECTRONICS CORPCCMP	19,425	—	—	11,850	—
Dec 5, 2017 AForm 4 →	Dec 6, 3:00 pm EST	CABOT MICROELECTRONICS CORPCCMP	7,800	$92.57	$722,046	7,800	—
Oct 30, 2017 MForm 4 →	Oct 30, 5:30 pm EDT	CABOT MICROELECTRONICS CORPCCMP	18,525	—	—	6,300	—
Mar 8, 2017 MForm 4 →	Mar 10, 4:07 pm EST	CABOT MICROELECTRONICS CORPCCMP	20,700	—	—	0	—
Dec 13, 2016 MForm 4 →	Dec 13, 5:42 pm EST	CABOT MICROELECTRONICS CORPCCMP	13,268	—	—	0	—
Dec 5, 2016 AForm 4 →	Dec 6, 5:33 pm EST	CABOT MICROELECTRONICS CORPCCMP	15,800	$60.27	$952,266	15,800	—
Aug 25, 2016 MForm 4 →	Aug 25, 5:24 pm EDT	CABOT MICROELECTRONICS CORPCCMP	25,803	—	—	13,268	—
Aug 1, 2016 MForm 4 →	Aug 2, 5:15 pm EDT	CABOT MICROELECTRONICS CORPCCMP	39,917	—	—	12,524	—
Dec 3, 2015 AForm 4 →	Dec 7, 3:05 pm EST	CABOT MICROELECTRONICS CORPCCMP	16,500	$42.37	$699,105	16,500	—
Feb 4, 2015 MForm 4 →	Feb 4, 4:56 pm EST	CABOT MICROELECTRONICS CORPCCMP	23,392	—	—	0	—