John B Green

Insider

First SEC filing: Jan. 4, 2016 · Latest: Jan. 4, 2016

On this page

Insider at

0 buys (P) 0 sells (S) Net: $0 + 5 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

5 other filings hidden

Date	Ticker	Code	Shares	Price	Value	Owned after	Δ own	A/D	vs now
Jan. 1, 2016	VSTM	A	23,760	—	—	23,760 Direct	—	Acquired	(price as of 2026-08-20)
Nov. 9, 2015	VSTM	A	48,240	—	—	48,240 Direct	—	Acquired	(price as of 2026-08-20)
June 29, 2015	VSTM	P	500	$7.12	$3,560	2,500 Direct	+25.00%	Acquired	-91.7% (price as of 2026-08-20)
June 26, 2015	VSTM	P	500	$7.39	$3,695	2,000 Direct	+33.33%	Acquired	-92.0% (price as of 2026-08-20)
Jan. 8, 2015	VSTM	A	44,497	—	—	44,497 Direct	—	Acquired	(price as of 2026-08-20)
Dec. 23, 2014	VSTM	P	500	$8.17	$4,085	1,500 Direct	+50.00%	Acquired	-92.7% (price as of 2026-08-20)
May 13, 2014	VSTM	P	1,000	$7.74	$7,740	1,000 Direct	—	Acquired	-92.3% (price as of 2026-08-20)
Jan. 7, 2014	VSTM	A	60,000	—	—	60,000 Direct	—	Acquired	(price as of 2026-08-20)
June 3, 2013	VSTM	A	150,000	—	—	150,000 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
Jan. 1, 2016	VSTM	Stock Option (right to buy)	Common Stock (23,760)	$1.86	Dec. 31, 2025	23,760	Acquired
Nov. 9, 2015	VSTM	Stock Option (right to buy)	Common Stock (48,240)	$2.13	Nov. 8, 2025	48,240	Acquired
Jan. 8, 2015	VSTM	Stock Option (Right to Buy)	Common Stock (44,497)	$9.19	Jan. 8, 2025	44,497	Acquired
Jan. 7, 2014	VSTM	Stock Option (Right to Buy)	Common Stock (60,000)	$13.59	Jan. 6, 2024	60,000	Acquired
June 3, 2013	VSTM	Stock Option (Right to Buy)	Common Stock (150,000)	$9.76	June 3, 2023	150,000	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
2015	$337,754	—	—	$330,339	—	—	$13,447	$681,540

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