Insider · CIK 0001381846

Emeka Chukwu

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

Open-market buys & salesbuys $0 · 0sales $3.2M · 35net −$3.2M

Reported trades — common stock

Trade	Reported (ET)	Company	Shares	Avg price	Total	Owned after	Δ stake	Flags
Mar 6, 2019 FMForm 4 →	Mar 8, 6:07 pm EST	SEMTECH CORPSMTC	9,738	$55.04	$177,669	130,086	—	plan?
Mar 5, 2019 AForm 4 →	Mar 7, 7:05 pm EST	SEMTECH CORPSMTC	28,507	—	—	126,804	—	plan?
Feb 28, 2019 SForm 4 →	Feb 28, 5:53 pm EST	SEMTECH CORPSMTC	1,100	$54.97	$60,468	98,297	−1.11%	plan?
Feb 21, 2019 FMForm 4 →	Feb 25, 6:44 pm EST	SEMTECH CORPSMTC	32,501	$55.74	$502,597	99,397	—	plan?
Feb 6, 2019 SForm 4 →	Feb 6, 7:52 pm EST	SEMTECH CORPSMTC	1,100	$51.00	$56,100	84,930	−1.28%	plan?
Jan 11, 2019 SForm 4 →	Jan 11, 6:59 pm EST	SEMTECH CORPSMTC	1,100	$51.00	$56,100	86,030	−1.26%	plan?
Nov 30, 2018 SForm 4 →	Nov 30, 7:42 pm EST	SEMTECH CORPSMTC	1,100	$52.10	$57,314	87,130	−1.25%	plan?
Nov 29, 2018 SForm 4 →	Nov 29, 6:08 pm EST	SEMTECH CORPSMTC	1,100	$50.00	$55,000	88,230	−1.23%	plan?
Sep 12, 2018 SForm 4 →	Sep 12, 7:53 pm EDT	SEMTECH CORPSMTC	1,100	$58.23	$64,050	89,330	−1.22%	plan?
Jul 13, 2018 SForm 4 →	Jul 13, 6:45 pm EDT	SEMTECH CORPSMTC	13,000	$50.13	$651,663	90,430	−12.6%	plan?
Jul 13, 2018 MForm 4 →	Jul 13, 6:45 pm EDT	SEMTECH CORPSMTC	13,000	$30.82	$400,660	103,430	—	plan?
Apr 4, 2018 SForm 4 →	Apr 4, 5:58 pm EDT	SEMTECH CORPSMTC	1,900	$39.00	$74,100	90,430	−2.06%	plan?
Apr 2, 2018 SForm 4/A →	Apr 4, 5:17 pm EDT	SEMTECH CORPSMTC	100	$39.00	$3,900	92,330	−0.11%	plan?
Apr 2, 2018 SForm 4 →	Apr 2, 4:46 pm EDT	SEMTECH CORPSMTC	2,000	$39.00	$78,000	90,430	−2.16%	plan? amended
Mar 15, 2018 SForm 4 →	Mar 16, 4:57 pm EDT	SEMTECH CORPSMTC	2,000	$39.00	$78,000	92,430	−2.12%	plan?
Mar 6, 2018 AForm 4 →	Mar 8, 7:00 pm EST	SEMTECH CORPSMTC	7,113	—	—	94,430	—	plan?
Feb 28, 2018 SForm 4 →	Feb 28, 6:24 pm EST	SEMTECH CORPSMTC	2,000	$34.32	$68,630	87,317	−2.24%	plan?
Feb 23, 2018 FMForm 4 →	Feb 26, 4:31 pm EST	SEMTECH CORPSMTC	33,717	$33.69	$293,644	89,317	—	plan?
Feb 21, 2018 FMForm 4 →	Feb 23, 4:31 pm EST	SEMTECH CORPSMTC	7,042	$33.80	$63,950	73,034	—	plan?
Jan 12, 2018 SForm 4 →	Jan 12, 6:15 pm EST	SEMTECH CORPSMTC	2,000	$38.00	$76,000	69,776	−2.79%	plan?
Dec 29, 2017 SForm 4 →	Jan 2, 2018, 6:08 pm EST	SEMTECH CORPSMTC	2,000	$34.32	$68,634	71,776	−2.71%	plan?
Nov 1, 2017 SForm 4 →	Nov 2, 4:46 pm EDT	SEMTECH CORPSMTC	2,000	$40.67	$81,335	73,776	−2.64%	plan?
Oct 2, 2017 SForm 4 →	Oct 3, 5:13 pm EDT	SEMTECH CORPSMTC	2,000	$37.72	$75,438	75,776	−2.57%	plan?
Oct 2, 2017 MForm 4 →	Oct 3, 5:13 pm EDT	SEMTECH CORPSMTC	2,000	$29.35	$58,700	77,776	—	plan?
Sep 1, 2017 SForm 4 →	Sep 1, 6:50 pm EDT	SEMTECH CORPSMTC	2,000	$37.56	$75,116	75,776	−2.57%	plan?
Sep 1, 2017 MForm 4 →	Sep 1, 6:50 pm EDT	SEMTECH CORPSMTC	2,000	$29.35	$58,700	77,776	—	plan?
Aug 1, 2017 SForm 4 →	Aug 2, 5:06 pm EDT	SEMTECH CORPSMTC	2,000	$39.89	$79,770	75,776	−2.57%	plan?
Aug 1, 2017 MForm 4 →	Aug 2, 5:06 pm EDT	SEMTECH CORPSMTC	2,000	$29.35	$58,700	77,776	—	plan?
Jul 5, 2017 SForm 4 →	Jul 6, 6:02 pm EDT	SEMTECH CORPSMTC	1,200	$35.00	$42,000	75,776	−1.56%	plan?
Jul 5, 2017 MForm 4 →	Jul 6, 6:02 pm EDT	SEMTECH CORPSMTC	1,200	$29.35	$35,220	76,976	—	plan?
Jul 3, 2017 SForm 4 →	Jul 5, 5:49 pm EDT	SEMTECH CORPSMTC	800	$35.49	$28,390	75,776	−1.04%	plan?
Jul 3, 2017 MForm 4 →	Jul 5, 5:49 pm EDT	SEMTECH CORPSMTC	800	$29.35	$23,480	76,576	—	plan?
Jun 1, 2017 SForm 4 →	Jun 2, 4:24 pm EDT	SEMTECH CORPSMTC	2,000	$36.66	$73,325	75,776	−2.57%	plan?
Jun 1, 2017 MForm 4 →	Jun 2, 4:24 pm EDT	SEMTECH CORPSMTC	2,000	$29.35	$58,700	77,776	—	plan?
May 30, 2017 SForm 4 →	May 30, 5:32 pm EDT	SEMTECH CORPSMTC	2,000	$37.02	$74,030	75,776	−2.57%	plan?
May 30, 2017 MForm 4 →	May 30, 5:32 pm EDT	SEMTECH CORPSMTC	2,000	$29.35	$58,700	77,776	—	plan?
Feb 23, 2017 FMForm 4 →	Feb 27, 4:37 pm EST	SEMTECH CORPSMTC	41,563	$35.37	$409,017	75,776	—	plan?
Dec 13, 2016 SForm 4 →	Dec 14, 4:15 pm EST	SEMTECH CORPSMTC	12,100	$32.05	$387,805	57,339	−17.4%	plan?
Dec 13, 2016 MForm 4 →	Dec 14, 4:15 pm EST	SEMTECH CORPSMTC	12,100	$23.33	$282,293	69,439	—	plan?
Dec 9, 2016 SForm 4 →	Dec 12, 6:51 pm EST	SEMTECH CORPSMTC	5,000	$31.90	$159,500	57,339	−8.02%	plan?
Dec 9, 2016 MForm 4 →	Dec 12, 6:51 pm EST	SEMTECH CORPSMTC	5,000	$23.33	$116,650	62,339	—	plan?
Feb 29, 2016 SForm 4 →	Mar 1, 8:07 pm EST	SEMTECH CORPSMTC	3,000	$19.22	$57,663	57,339	−4.97%	plan?
Feb 29, 2016 MForm 4 →	Mar 1, 8:07 pm EST	SEMTECH CORPSMTC	3,000	$16.68	$50,040	58,339	—	plan?
Feb 26, 2016 FMForm 4 →	Feb 29, 6:47 pm EST	SEMTECH CORPSMTC	6,879	$18.50	$34,762	57,339	—	plan?
Feb 24, 2016 FMForm 4 →	Feb 26, 7:14 pm EST	SEMTECH CORPSMTC	16,201	$17.77	$80,585	54,218	—	plan?
Jan 29, 2016 SForm 4 →	Jan 29, 6:09 pm EST	SEMTECH CORPSMTC	2,000	$19.64	$39,277	47,087	−4.07%	plan?
Jan 29, 2016 MForm 4 →	Jan 29, 6:09 pm EST	SEMTECH CORPSMTC	2,000	$16.68	$33,360	49,087	—	plan?
Dec 31, 2015 SForm 4 →	Jan 4, 2016, 6:57 pm EST	SEMTECH CORPSMTC	2,000	$19.12	$38,239	47,087	−4.07%	plan?
Dec 31, 2015 MForm 4 →	Jan 4, 2016, 6:57 pm EST	SEMTECH CORPSMTC	2,000	$16.68	$33,360	49,087	—	plan?
Dec 2, 2015 SForm 4 →	Dec 2, 5:16 pm EST	SEMTECH CORPSMTC	2,000	$20.13	$40,252	47,087	−4.07%	plan?
Dec 2, 2015 MForm 4 →	Dec 2, 5:16 pm EST	SEMTECH CORPSMTC	2,000	$16.68	$33,360	49,087	—	plan?
Nov 30, 2015 SForm 4 →	Nov 30, 6:12 pm EST	SEMTECH CORPSMTC	2,000	$19.69	$39,370	47,087	−4.07%	plan?
Nov 30, 2015 MForm 4 →	Nov 30, 6:12 pm EST	SEMTECH CORPSMTC	2,000	$16.68	$33,360	49,087	—	plan?
Oct 30, 2015 SForm 4 →	Nov 2, 4:25 pm EST	SEMTECH CORPSMTC	2,000	$17.40	$34,806	47,087	−4.07%	plan?
Oct 30, 2015 MForm 4 →	Nov 2, 4:25 pm EST	SEMTECH CORPSMTC	2,000	$16.68	$33,360	49,087	—	plan?
Aug 31, 2015 SForm 4 →	Aug 31, 6:38 pm EDT	SEMTECH CORPSMTC	2,000	$17.02	$34,049	47,087	−4.07%	plan?
Aug 31, 2015 MForm 4 →	Aug 31, 6:38 pm EDT	SEMTECH CORPSMTC	2,000	$16.68	$33,360	49,087	—	plan?
Jul 31, 2015 SForm 4 →	Aug 3, 6:23 pm EDT	SEMTECH CORPSMTC	2,000	$17.63	$35,259	47,087	−4.07%	plan?
Jul 31, 2015 MForm 4 →	Aug 3, 6:23 pm EDT	SEMTECH CORPSMTC	2,000	$16.68	$33,360	49,087	—	plan?
Jun 30, 2015 SForm 4 →	Jun 30, 5:39 pm EDT	SEMTECH CORPSMTC	2,000	$20.05	$40,109	47,087	−4.07%	plan?
Jun 30, 2015 MForm 4 →	Jun 30, 5:39 pm EDT	SEMTECH CORPSMTC	2,000	$16.68	$33,360	49,087	—	plan?
Feb 28, 2015 FMForm 4 →	Mar 2, 4:33 pm EST	SEMTECH CORPSMTC	2,293	$28.93	$18,139	47,087	—	plan?
Feb 26, 2015 FMForm 4 →	Feb 27, 7:29 pm EST	SEMTECH CORPSMTC	6,880	$28.27	$53,148	46,048	—	plan?
Feb 25, 2015 FMForm 4 →	Feb 26, 7:42 pm EST	SEMTECH CORPSMTC	6,879	$28.60	$53,739	42,928	—	plan?
Feb 20, 2015 SForm 4 →	Feb 20, 6:14 pm EST	SEMTECH CORPSMTC	6,333	$27.25	$172,550	39,807	−13.7%	plan?
Feb 20, 2015 MForm 4 →	Feb 20, 6:14 pm EST	SEMTECH CORPSMTC	6,333	$11.23	$71,120	46,140	—	plan?
Jan 30, 2015 SForm 4 →	Feb 2, 6:05 pm EST	SEMTECH CORPSMTC	2,200	$25.81	$56,778	39,807	−5.24%	plan?
Jan 30, 2015 MForm 4 →	Feb 2, 6:05 pm EST	SEMTECH CORPSMTC	2,200	$11.23	$24,706	42,007	—	plan?
Jan 5, 2015 SForm 4 →	Jan 6, 6:00 pm EST	SEMTECH CORPSMTC	4,133	$28.02	$115,790	39,807	−9.41%	plan?
Jan 5, 2015 MForm 4 →	Jan 6, 6:00 pm EST	SEMTECH CORPSMTC	4,133	$11.23	$46,414	43,940	—	plan?

Reported trades — derivatives (options, RSUs, warrants)

Trade	Reported (ET)	Company	Shares	Avg price	Total	Owned after	Δ stake
Mar 6, 2019 MForm 4 →	Mar 8, 6:07 pm EST	SEMTECH CORPSMTC	6,510	—	—	13,021	—
Mar 5, 2019 AForm 4 →	Mar 7, 7:05 pm EST	SEMTECH CORPSMTC	15,000	—	—	15,000	—
Feb 21, 2019 MForm 4 →	Feb 25, 6:44 pm EST	SEMTECH CORPSMTC	23,484	—	—	5,151	—
Jul 13, 2018 MForm 4 →	Jul 13, 6:45 pm EDT	SEMTECH CORPSMTC	13,000	—	—	0	—
Mar 6, 2018 AForm 4 →	Mar 8, 7:00 pm EST	SEMTECH CORPSMTC	19,531	—	—	19,531	—
Feb 23, 2018 MForm 4 →	Feb 26, 4:31 pm EST	SEMTECH CORPSMTC	25,000	$33.68	$842,083	18,334	—
Feb 21, 2018 MForm 4 →	Feb 23, 4:31 pm EST	SEMTECH CORPSMTC	5,150	$33.80	$174,070	10,301	—
Oct 2, 2017 MForm 4 →	Oct 3, 5:13 pm EDT	SEMTECH CORPSMTC	2,000	—	—	0	—
Sep 1, 2017 MForm 4 →	Sep 1, 6:50 pm EDT	SEMTECH CORPSMTC	2,000	—	—	2,000	—
Aug 1, 2017 MForm 4 →	Aug 2, 5:06 pm EDT	SEMTECH CORPSMTC	2,000	—	—	4,000	—
Jul 5, 2017 MForm 4 →	Jul 6, 6:02 pm EDT	SEMTECH CORPSMTC	1,200	—	—	6,000	—
Jul 3, 2017 MForm 4 →	Jul 5, 5:49 pm EDT	SEMTECH CORPSMTC	800	—	—	7,200	—
Jun 1, 2017 MForm 4 →	Jun 2, 4:24 pm EDT	SEMTECH CORPSMTC	2,000	—	—	8,000	—
May 30, 2017 MForm 4 →	May 30, 5:32 pm EDT	SEMTECH CORPSMTC	2,000	—	—	10,000	—
Feb 23, 2017 MForm 4 →	Feb 27, 4:37 pm EST	SEMTECH CORPSMTC	30,000	—	—	0	—
Feb 21, 2017 AForm 4 →	Feb 23, 7:39 pm EST	SEMTECH CORPSMTC	15,451	—	—	15,451	—
Dec 13, 2016 MForm 4 →	Dec 14, 4:15 pm EST	SEMTECH CORPSMTC	12,100	—	—	0	—
Dec 9, 2016 MForm 4 →	Dec 12, 6:51 pm EST	SEMTECH CORPSMTC	5,000	—	—	12,100	—
Feb 29, 2016 MForm 4 →	Mar 1, 8:07 pm EST	SEMTECH CORPSMTC	3,000	—	—	0	—
Feb 26, 2016 MForm 4 →	Feb 29, 6:47 pm EST	SEMTECH CORPSMTC	5,000	—	—	0	—
Feb 24, 2016 MForm 4 →	Feb 26, 7:14 pm EST	SEMTECH CORPSMTC	11,666	—	—	5,000	—
Feb 23, 2016 AForm 4 →	Feb 25, 5:48 pm EST	SEMTECH CORPSMTC	70,000	—	—	55,000	—
Jan 29, 2016 MForm 4 →	Jan 29, 6:09 pm EST	SEMTECH CORPSMTC	2,000	—	—	3,000	—
Dec 31, 2015 MForm 4 →	Jan 4, 2016, 6:57 pm EST	SEMTECH CORPSMTC	2,000	—	—	5,000	—
Dec 2, 2015 MForm 4 →	Dec 2, 5:16 pm EST	SEMTECH CORPSMTC	2,000	—	—	7,000	—
Nov 30, 2015 MForm 4 →	Nov 30, 6:12 pm EST	SEMTECH CORPSMTC	2,000	—	—	9,000	—
Oct 30, 2015 MForm 4 →	Nov 2, 4:25 pm EST	SEMTECH CORPSMTC	2,000	—	—	11,000	—
Aug 31, 2015 MForm 4 →	Aug 31, 6:38 pm EDT	SEMTECH CORPSMTC	2,000	—	—	13,000	—
Jul 31, 2015 MForm 4 →	Aug 3, 6:23 pm EDT	SEMTECH CORPSMTC	2,000	—	—	15,000	—
Jun 30, 2015 MForm 4 →	Jun 30, 5:39 pm EDT	SEMTECH CORPSMTC	2,000	—	—	17,000	—
Feb 28, 2015 MForm 4 →	Mar 2, 4:33 pm EST	SEMTECH CORPSMTC	1,666	—	—	0	—
Feb 26, 2015 MForm 4 →	Feb 27, 7:29 pm EST	SEMTECH CORPSMTC	5,000	—	—	5,000	—
Feb 24, 2015 AMForm 4 →	Feb 26, 7:42 pm EST	SEMTECH CORPSMTC	40,000	—	—	10,000	—
Feb 20, 2015 MForm 4 →	Feb 20, 6:14 pm EST	SEMTECH CORPSMTC	6,333	—	—	0	—
Jan 30, 2015 MForm 4 →	Feb 2, 6:05 pm EST	SEMTECH CORPSMTC	2,200	—	—	6,333	—
Jan 5, 2015 MForm 4 →	Jan 6, 6:00 pm EST	SEMTECH CORPSMTC	4,133	—	—	8,533	—