Insider · CIK 0001574827

Eric Howard Starkloff

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

Open-market buys & salesbuys $0 · 0sales $646k · 10net −$646k

Reported trades — common stock

Trade	Reported (ET)	Company	Shares	Avg price	Total	Owned after	Δ stake	Flags
Jan 22, 2019 AForm 4 →	Jan 24, 7:06 pm EST	NATIONAL INSTRUMENTS CORPNATI	16,625	—	—	84,188	—	plan?
Oct 30, 2018 SForm 4 →	Oct 31, 12:02 pm EDT	NATIONAL INSTRUMENTS CORPNATI	2,500	$49.18	$122,950	67,562	−3.57%	plan?
Oct 23, 2018 AForm 4 →	Oct 25, 4:34 pm EDT	NATIONAL INSTRUMENTS CORPNATI	25,000	—	—	70,062	—	plan?
Aug 1, 2018 MForm 4 →	Nov 19, 7:05 pm EST	NATIONAL INSTRUMENTS CORPNATI	1	$34.76	$35	67,563	—	plan? late
May 1, 2018 FMForm 4 →	May 3, 4:18 pm EDT	NATIONAL INSTRUMENTS CORPNATI	20,986	$39.75	$174,650	45,062	—	plan?
Apr 25, 2018 AForm 4 →	Apr 27, 7:25 pm EDT	NATIONAL INSTRUMENTS CORPNATI	21,740	—	—	32,334	—	plan?
Feb 1, 2018 MForm 4 →	Mar 12, 7:18 pm EDT	NATIONAL INSTRUMENTS CORPNATI	261	$38.25	$9,983	10,594	—	plan? late
Aug 1, 2017 MForm 4 →	Nov 16, 4:20 pm EST	NATIONAL INSTRUMENTS CORPNATI	16	$29.67	$475	10,333	—	plan? late
May 5, 2017 SForm 4 →	May 8, 9:21 am EDT	NATIONAL INSTRUMENTS CORPNATI	6,888	$34.91	$240,477	10,317	−40.0%	plan?
May 1, 2017 FMForm 4 →	May 2, 4:05 pm EDT	NATIONAL INSTRUMENTS CORPNATI	12,752	$33.51	$102,914	17,205	—	plan?
Feb 1, 2017 MForm 4 →	Mar 10, 3:59 pm EST	NATIONAL INSTRUMENTS CORPNATI	443	$23.88	$10,577	9,831	—	plan? late
Nov 11, 2016 SForm 4 →	Nov 18, 2:17 pm EST	NATIONAL INSTRUMENTS CORPNATI	1,222	$29.00	$35,438	9,388	−11.5%	plan? late
Nov 8, 2016 SForm 4 →	Nov 9, 1:46 pm EST	NATIONAL INSTRUMENTS CORPNATI	1,393	$28.50	$39,701	10,610	−11.6%	plan?
Nov 7, 2016 SForm 4 →	Nov 7, 8:28 pm EST	NATIONAL INSTRUMENTS CORPNATI	437	$28.50	$12,455	12,003	−3.51%	plan?
Nov 1, 2016 SForm 4 →	Nov 1, 7:16 pm EDT	NATIONAL INSTRUMENTS CORPNATI	1,709	$28.09	$48,006	12,440	−12.1%	plan?
Aug 1, 2016 MForm 4 →	Nov 1, 7:16 pm EDT	NATIONAL INSTRUMENTS CORPNATI	14	$23.43	$328	14,149	—	plan? late
May 2, 2016 FMForm 4 →	May 3, 6:47 pm EDT	NATIONAL INSTRUMENTS CORPNATI	10,294	$26.88	$69,158	14,135	—	plan?
Feb 1, 2016 MForm 4 →	Mar 4, 6:07 pm EST	NATIONAL INSTRUMENTS CORPNATI	411	$24.23	$9,956	8,139	—	plan? late
Aug 3, 2015 MForm 4 →	Dec 1, 6:04 pm EST	NATIONAL INSTRUMENTS CORP /DE/NATI	85	$24.31	$2,066	7,728	—	plan? late
May 18, 2015 SForm 4 →	May 19, 3:58 pm EDT	NATIONAL INSTRUMENTS CORP /DE/NATI	1,108	$30.00	$33,240	7,643	−12.7%	plan?
May 14, 2015 SForm 4 →	May 15, 5:15 pm EDT	NATIONAL INSTRUMENTS CORP /DE/NATI	996	$29.50	$29,382	8,751	−10.2%	plan?
May 13, 2015 SForm 4 →	May 13, 6:20 pm EDT	NATIONAL INSTRUMENTS CORP /DE/NATI	1,675	$29.01	$48,585	9,747	−14.7%	plan?
May 1, 2015 FMForm 4 →	May 5, 4:29 pm EDT	NATIONAL INSTRUMENTS CORP /DE/NATI	8,811	$27.65	$61,263	11,422	—	plan?
Feb 2, 2015 MForm 4 →	Mar 16, 7:35 pm EDT	NATIONAL INSTRUMENTS CORP /DE/NATI	350	$25.57	$8,949	6,279	—	plan? late
May 27, 2014 SForm 5 →	Feb 13, 2015, 12:23 pm EST	NATIONAL INSTRUMENTS CORP /DE/NATI	1,254	$28.50	$35,739	5,929	−17.5%	plan?

Reported trades — derivatives (options, RSUs, warrants)

Trade	Reported (ET)	Company	Shares	Avg price	Total	Owned after	Δ stake
Jan 22, 2019 AForm 4 →	Jan 24, 7:06 pm EST	NATIONAL INSTRUMENTS CORPNATI	16,625	—	—	16,625	—
May 1, 2018 MForm 4 →	May 3, 4:18 pm EDT	NATIONAL INSTRUMENTS CORPNATI	16,592	—	—	18,750	—
May 1, 2017 MForm 4 →	May 2, 4:05 pm EDT	NATIONAL INSTRUMENTS CORPNATI	9,681	—	—	22,500	—
Apr 25, 2017 AForm 4 →	Apr 26, 5:35 pm EDT	NATIONAL INSTRUMENTS CORPNATI	25,000	—	—	25,000	—
May 2, 2016 MForm 4 →	May 3, 6:47 pm EDT	NATIONAL INSTRUMENTS CORPNATI	7,721	—	—	22,500	—
Apr 26, 2016 AForm 4 →	Apr 27, 5:45 pm EDT	NATIONAL INSTRUMENTS CORPNATI	25,000	—	—	25,000	—
May 1, 2015 MForm 4 →	May 5, 4:29 pm EDT	NATIONAL INSTRUMENTS CORP /DE/NATI	6,595	—	—	13,309	—
Apr 21, 2015 AForm 4 →	Apr 22, 8:53 pm EDT	NATIONAL INSTRUMENTS CORP /DE/NATI	25,000	—	—	25,000	—