John V. Winfield

Activist

First SEC filing: March 19, 2026 · Latest: March 19, 2026

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Insider at

0 buys (P) 0 sells (S) Net: $0 + 13 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

13 other filings hidden

Date	Ticker	Code	Shares	Price	Value	Owned after	Δ own	A/D	vs now
Dec. 26, 2013	INTG	A	26,805	—	—	26,805 Direct	—	Acquired	(price as of 2026-08-20)
Dec. 26, 2013	INTG	A	133,195	—	—	133,195 Direct	—	Acquired	(price as of 2026-08-20)
Oct. 13, 2011	INTG	S	14,375	$20.30	$291,812	1,454,248 Direct	-0.98%	Disposed	64.2% (price as of 2026-08-20)
Sept. 10, 2011	INTG	F	4,958	$25.00	$123,950	1,468,623 Direct	-0.34%	Disposed	33.3% (price as of 2026-08-20)
Sept. 10, 2011	INTG	M	15,000	—	—	1,473,581 Direct	+1.03%	Acquired	(price as of 2026-08-20)
Sept. 10, 2011	INTG	M	15,000	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
Sept. 10, 2011	INTG	M	15,000	—	—	1,473,581 Direct	+1.03%	Acquired	(price as of 2026-08-20)
Sept. 10, 2010	INTG	M	15,000	—	—	15,000 Direct	-50.00%	Disposed	(price as of 2026-08-20)
Sept. 10, 2010	INTG	M	15,000	—	—	1,458,581 Direct	+1.04%	Acquired	(price as of 2026-08-20)
March 16, 2010	INTG	A	100,000	—	—	100,000 Direct	—	Acquired	(price as of 2026-08-20)
Sept. 10, 2009	INTG	M	54,628	—	—	30,000 Direct	-64.55%	Disposed	(price as of 2026-08-20)
Sept. 10, 2009	INTG	M	54,628	—	—	1,443,581 Direct	+3.93%	Acquired	(price as of 2026-08-20)
Dec. 21, 2008	INTG	D	225,000	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
Dec. 21, 2008	INTG	A	84,628	—	—	84,628 Direct	—	Acquired	(price as of 2026-08-20)

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.

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

Date	Ticker	Security	Underlying	Exercise price	Expiration	Shares	A/D
Dec. 26, 2013	INTG	Employee Incentive Stock Option (Right to Buy)	Common Stock (26,805)	$20.52	Dec. 26, 2018	26,805	Acquired
Dec. 26, 2013	INTG	Employee Non-qualified Stock Option (Right to Buy)	Common Stock (133,195)	$18.65	Dec. 26, 2023	133,195	Acquired
Sept. 10, 2011	INTG	Restricted Stock Units	Common Stock (15,000)	—	—	15,000	Disposed
Sept. 10, 2010	INTG	Restricted Stock Units	Common Stock (15,000)	—	—	15,000	Disposed
March 16, 2010	INTG	Employee Stock Options (Right to Buy)	Common Stock (100,000)	$10.30	March 15, 2020	100,000	Acquired
Sept. 10, 2009	INTG	Restricted Stock Units	Common Stock (54,628)	—	—	54,628	Disposed
Dec. 21, 2008	INTG	Options to Purchase Common Stock	Common Stock (225,000)	$7.92	Dec. 21, 2008	225,000	Disposed
Dec. 21, 2008	INTG	Restricted Stock Units	Common Stock (84,628)	$0.00	Dec. 20, 2018	84,628	Acquired

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

Matched by name from proxy statements (DEF 14A) — verify against the filing.

Fiscal year	Salary	Bonus	Stock awards	Option awards	Non-equity incentive	Pension change	Other	Total
2018	$844,000	—	—	—	—	—	—	$907,000
2017	$784,000	—	—	—	—	—	—	$935,000
2016	$772,000	—	—	—	—	—	—	$1,311,000

Figures from the Summary Compensation Table of the company's proxy statement (DEF 14A). Compensation is not a recommendation.