Insider at

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Insider transactions

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0 buys (P) 0 sells (S) Net: $0 + 6 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

6 other filings hidden
DateTickerCodeSharesPriceValue Owned afterΔ ownA/Dvs now
June 8, 2018 VSTM P 3,000 $5.98 $17,940 3,500 Direct +600.00% Acquired -88.9% (price as of 2026-10-05)

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.

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DateTickerSecurityUnderlying Exercise priceExpirationSharesA/D
May 1, 2025 HOWL Stock Option (right to buy) Common Stock (201,720) $0.87 April 30, 2035 201,720 Acquired
Jan. 3, 2019 VSTM Stock Option (Right to Buy) Common Stock (40,000) $3.51 Jan. 3, 2029 40,000 Acquired
Jan. 3, 2019 VSTM Stock Option (Right to Buy) Common Stock (40,000) $3.51 Jan. 3, 2029 40,000 Acquired
Sept. 24, 2018 VSTM Stock Option (Right to Buy) Common Stock (28,000) $2.97 Jan. 5, 2028 28,000 Acquired
April 6, 2018 VSTM Stock Option (Right to Buy) Common Stock (14,000) $2.97 Jan. 5, 2028 14,000 Acquired
Jan. 5, 2018 VSTM Stock Option (Right to Buy) Common Stock (70,000) $2.97 Jan. 5, 2028 70,000 Acquired

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

Initial ownership (Form 3) 7 holdings

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

DateTickerSecuritySharesOwnership
Nov. 17, 2017 VSTM Common Stock 500 Direct
Nov. 17, 2017 VSTM Stock Option (right to buy)→ Common Stock (10,000) 10,000 Direct
Nov. 17, 2017 VSTM Stock Option (right to buy)→ Common Stock (70,000) 70,000 Direct
Nov. 17, 2017 VSTM Stock Option (right to buy)→ Common Stock (80,400) 80,400 Direct
Nov. 17, 2017 VSTM Stock Option (right to buy)→ Common Stock (39,600) 39,600 Direct
Nov. 17, 2017 VSTM Stock Option (right to buy)→ Common Stock (100,000) 100,000 Direct
Nov. 17, 2017 VSTM Stock Option (right to buy)→ Common Stock (150,000) 150,000 Direct