Kenneth Burhop

Insider

First SEC filing: March 5, 2014 · Latest: March 5, 2014

On this page

Insider at Companies where this person is a reporting insider.
Insider transactions Every share this person bought or sold, from Form 4 filings.
Derivatives Options and other derivative holdings reported by this person.
Initial holdings The stakes this person held when they first started reporting.

Insider at

IART selling July 30, 2019

Insider transactions

0 buys (P) 0 sells (S) Net: $0 + 47 non-open-market transactions below last 12 months, based on the transactions shown below

Price change vs current quote, split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted

47 other filings hidden

Date	Ticker	Code	Shares	Price	Value	Owned after	Δ own	A/D	vs now
Feb. 13, 2020	IART	A	678	—	—	15,100 Direct	+4.70%	Acquired	(price as of 2026-08-21)
Feb. 13, 2020	IART	A	654	—	—	14,422 Direct	+4.75%	Acquired	(price as of 2026-08-21)
Feb. 13, 2020	IART	A	1,303	—	—	13,768 Direct	+10.45%	Acquired	(price as of 2026-08-21)
July 30, 2019	IART	M	3,200	—	—	1,684 Direct	-65.52%	Disposed	(price as of 2026-08-21)
July 30, 2019	IART	M	3,456	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-21)
July 30, 2019	IART	S	3,200	$63.98	$204,736	12,465 Direct	-20.43%	Disposed	-74.2% (price as of 2026-08-21)
July 30, 2019	IART	M	3,200	$32.58	$104,256	15,665 Direct	+25.67%	Acquired	-49.4% (price as of 2026-08-21)
July 30, 2019	IART	S	3,456	$63.98	$221,115	12,465 Direct	-21.71%	Disposed	-74.2% (price as of 2026-08-21)
July 30, 2019	IART	M	3,456	$26.86	$92,828	15,921 Direct	+27.73%	Acquired	-38.6% (price as of 2026-08-21)
March 14, 2019	IART	F	124	$56.14	$6,961	12,465 Direct	-0.98%	Disposed	-70.6% (price as of 2026-08-21)
March 14, 2019	IART	F	461	$56.14	$25,881	12,589 Direct	-3.53%	Disposed	-70.6% (price as of 2026-08-21)
March 13, 2019	IART	F	117	$55.91	$6,541	12,296 Direct	-0.94%	Disposed	-70.5% (price as of 2026-08-21)
March 13, 2019	IART	A	3,795	—	—	3,795 Direct	—	Acquired	(price as of 2026-08-21)
March 13, 2019	IART	A	848	—	—	13,050 Direct	+6.95%	Acquired	(price as of 2026-08-21)
March 13, 2019	IART	F	94	$55.91	$5,256	12,202 Direct	-0.76%	Disposed	-70.5% (price as of 2026-08-21)
March 13, 2019	IART	F	208	$55.91	$11,629	12,413 Direct	-1.65%	Disposed	-70.5% (price as of 2026-08-21)
March 13, 2019	IART	F	437	$55.91	$24,433	12,621 Direct	-3.35%	Disposed	-70.5% (price as of 2026-08-21)
Feb. 14, 2019	IART	A	604	—	—	13,058 Direct	+4.85%	Acquired	(price as of 2026-08-21)
Feb. 14, 2019	IART	A	1,263	—	—	12,454 Direct	+11.29%	Acquired	(price as of 2026-08-21)
Feb. 14, 2019	IART	A	1,332	—	—	11,191 Direct	+13.51%	Acquired	(price as of 2026-08-21)
March 23, 2018	IART	F	263	$54.15	$14,241	9,859 Direct	-2.60%	Disposed	-69.5% (price as of 2026-08-21)
March 23, 2018	IART	F	264	$54.15	$14,296	10,122 Direct	-2.54%	Disposed	-69.5% (price as of 2026-08-21)
March 14, 2018	IART	F	448	$56.14	$25,151	10,386 Direct	-4.14%	Disposed	-70.6% (price as of 2026-08-21)
March 14, 2018	IART	F	119	$56.14	$6,681	10,834 Direct	-1.09%	Disposed	-70.6% (price as of 2026-08-21)
March 13, 2018	IART	A	3,169	—	—	3,169 Direct	—	Acquired	(price as of 2026-08-21)
March 13, 2018	IART	F	437	$56.23	$24,573	10,953 Direct	-3.84%	Disposed	-70.7% (price as of 2026-08-21)
March 13, 2018	IART	F	117	$56.23	$6,579	11,390 Direct	-1.02%	Disposed	-70.7% (price as of 2026-08-21)
March 13, 2018	IART	A	819	—	—	11,507 Direct	+7.66%	Acquired	(price as of 2026-08-21)
Feb. 15, 2018	IART	A	1,263	—	—	10,688 Direct	+13.40%	Acquired	(price as of 2026-08-21)
Feb. 15, 2018	IART	A	1,293	—	—	9,425 Direct	+15.90%	Acquired	(price as of 2026-08-21)
Feb. 15, 2018	IART	A	762	—	—	8,132 Direct	+10.34%	Acquired	(price as of 2026-08-21)
March 23, 2017	IART	F	277	$42.35	$11,731	7,370 Direct	-3.62%	Disposed	-61.0% (price as of 2026-08-21)
March 23, 2017	IART	F	278	$42.35	$11,773	7,647 Direct	-3.51%	Disposed	-61.0% (price as of 2026-08-21)
March 14, 2017	IART	F	130	$43.03	$5,594	7,925 Direct	-1.61%	Disposed	-61.7% (price as of 2026-08-21)
March 14, 2017	IART	F	485	$43.03	$20,870	8,055 Direct	-5.68%	Disposed	-61.7% (price as of 2026-08-21)
March 13, 2017	IART	A	3,947	—	—	3,947 Direct	—	Acquired	(price as of 2026-08-21)
March 13, 2017	IART	A	1,022	—	—	8,540 Direct	+13.59%	Acquired	(price as of 2026-08-21)
Feb. 18, 2017	IART	F	530	$44.16	$23,405	7,518 Direct	-6.59%	Disposed	-62.6% (price as of 2026-08-21)
Feb. 15, 2017	IART	A	1,290	—	—	8,048 Direct	+19.09%	Acquired	(price as of 2026-08-21)
Feb. 15, 2017	IART	A	736	—	—	6,758 Direct	+12.22%	Acquired	(price as of 2026-08-21)
March 23, 2016	IART	F	139	$64.81	$9,009	3,011 Direct	-4.41%	Disposed	-49.1% (price as of 2026-08-21)
March 23, 2016	IART	F	139	$64.81	$9,009	3,150 Direct	-4.23%	Disposed	-49.1% (price as of 2026-08-21)
March 14, 2016	IART	A	2,442	—	—	2,442 Direct	—	Acquired	(price as of 2026-08-21)
March 14, 2016	IART	A	522	—	—	3,289 Direct	+18.87%	Acquired	(price as of 2026-08-21)
Feb. 23, 2016	IART	A	368	—	—	2,767 Direct	+15.34%	Acquired	(price as of 2026-08-21)
Feb. 18, 2016	IART	F	230	$57.67	$13,264	2,399 Direct	-8.75%	Disposed	-42.8% (price as of 2026-08-21)
March 23, 2015	IART	A	1,495	—	—	1,495 Direct	—	Acquired	(price as of 2026-08-21)
March 23, 2015	IART	A	967	—	—	2,315 Direct	+71.74%	Acquired	(price as of 2026-08-21)
Feb. 18, 2015	IART	F	223	$56.92	$12,693	1,348 Direct	-14.19%	Disposed	-42.0% (price as of 2026-08-21)

P = Open-market purchase · S = Sale · A = Grant/award · M = Option exercise · G = Gift · F = Tax withholding

Insider transactions are not a recommendation; sales are often driven by liquidity or tax reasons.

Derivative holdings (Form 4 Table II)

Options, RSUs and convertible securities reported on Form 4 Table II.

Date	Ticker	Security	Underlying	Exercise price	Expiration	Shares	A/D
July 30, 2019	IART	Non-Qualified Stock Option (right to buy)	Common Stock (3,200)	$32.58	March 14, 2024	3,200	Disposed
July 30, 2019	IART	Non-Qualified Stock Option (right to buy)	Common Stock (3,456)	$26.86	March 23, 2023	3,456	Disposed
March 13, 2019	IART	Non-Qualified Stock Option (right to buy)	Common Stock (3,795)	$55.91	March 13, 2027	3,795	Acquired
March 13, 2018	IART	Non-Qualified Stock Option (right to buy)	Common Stock (3,169)	$56.23	March 13, 2026	3,169	Acquired
March 13, 2017	IART	Non-Qualified Stock Option (right to buy)	Common Stock (3,947)	$43.68	March 13, 2025	3,947	Acquired
March 14, 2016	IART	Non-Qualified Stock Option (right to buy)	Common Stock (2,442)	$65.17	March 14, 2024	2,442	Acquired
March 23, 2015	IART	Non-Qualified Stock Option (right to buy)	Common Stock (1,495)	$62.10	March 23, 2023	1,495	Acquired

Exercise/conversion price is blank when not applicable (e.g. RSUs).

Initial ownership (Form 3) 1 holding

Securities held when first becoming an insider, per SEC Form 3.

Date	Ticker	Security	Shares	Ownership
March 5, 2014	IART	Common Stock	1,571	Direct