Brian M Stuglik
CIK 1716328 · View on SEC EDGAR ↗
Insider
First SEC filing: June 15, 2026 · Latest: June 15, 2026
On this page
Insider at
Insider transactions
0 buys (P)
3 sells (S)
Net:
$-69,595
+ 27 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
27 other filings hidden
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| June 12, 2026 | PBYI | S 10b5-1 | 8,100 | $7.20 | $58,320 | 113,858 Direct | -6.64% | Disposed | 30.3% (price as of 2026-08-20) |
| Dec. 16, 2025 | VSTM | S | 592 | $9.14 | $5,411 | 101,147 Direct | -0.58% | Disposed | -22.2% (price as of 2026-08-20) |
| Sept. 16, 2025 | VSTM | S | 587 | $9.99 | $5,864 | 101,739 Direct | -0.57% | Disposed | -28.8% (price as of 2026-08-20) |
| June 16, 2025 | VSTM | S | 594 | $5.65 | $3,356 | 102,326 Direct | -0.58% | Disposed | 25.8% (price as of 2026-08-20) |
| March 17, 2025 | VSTM | S | 593 | $6.95 | $4,121 | 94,587 Direct | -0.62% | Disposed | 2.3% (price as of 2026-08-20) |
| Dec. 19, 2024 | VSTM | S | 334 | $4.37 | $1,460 | 95,180 Direct | -0.35% | Disposed | 62.7% (price as of 2026-08-20) |
| Dec. 16, 2024 | VSTM | S | 595 | $4.54 | $2,701 | 95,514 Direct | -0.62% | Disposed | 56.6% (price as of 2026-08-20) |
| Sept. 19, 2024 | VSTM | S | 336 | $2.79 | $937 | 96,109 Direct | -0.35% | Disposed | 154.8% (price as of 2026-08-20) |
| Sept. 16, 2024 | VSTM | S | 600 | $2.80 | $1,680 | 96,445 Direct | -0.62% | Disposed | 153.9% (price as of 2026-08-20) |
| June 20, 2024 | VSTM | S | 335 | $3.21 | $1,075 | 97,045 Direct | -0.34% | Disposed | 121.5% (price as of 2026-08-20) |
| June 17, 2024 | VSTM | S | 593 | $3.49 | $2,070 | 89,047 Direct | -0.66% | Disposed | 103.7% (price as of 2026-08-20) |
| March 19, 2024 | VSTM | S | 273 | $10.38 | $2,834 | 89,640 Direct | -0.30% | Disposed | -31.5% (price as of 2026-08-20) |
| March 18, 2024 | VSTM | S | 537 | $10.71 | $5,751 | 89,913 Direct | -0.59% | Disposed | -33.6% (price as of 2026-08-20) |
| Dec. 19, 2023 | VSTM | S | 274 | $7.73 | $2,118 | 90,450 Direct | -0.30% | Disposed | -8.0% (price as of 2026-08-20) |
| Dec. 18, 2023 | VSTM | S | 487 | $7.64 | $3,721 | 90,724 Direct | -0.53% | Disposed | -6.9% (price as of 2026-08-20) |
| Sept. 19, 2023 | VSTM | S | 274 | $9.84 | $2,696 | 91,211 Direct | -0.30% | Disposed | -27.7% (price as of 2026-08-20) |
| Sept. 18, 2023 | VSTM | S | 478 | $9.91 | $4,737 | 91,485 Direct | -0.52% | Disposed | -28.3% (price as of 2026-08-20) |
| June 20, 2023 | VSTM | S | 275 | $10.30 | $2,832 | 91,963 Direct | -0.30% | Disposed | -31.0% (price as of 2026-08-20) |
| June 16, 2023 | VSTM | S | 487 | $9.92 | $4,831 | 92,238 Direct | -0.53% | Disposed | -28.3% (price as of 2026-08-20) |
| March 20, 2023 | VSTM | S | 3,508 | $0.43 | $1,508 | 1,112,736 Direct | -0.31% | Disposed | 37.8% (price as of 2026-08-20) |
| March 16, 2023 | VSTM | S | 6,276 | $0.40 | $2,510 | 1,116,244 Direct | -0.56% | Disposed | 48.1% (price as of 2026-08-20) |
| Dec. 19, 2022 | VSTM | S | 3,556 | $0.37 | $1,316 | 1,122,520 Direct | -0.32% | Disposed | 60.1% (price as of 2026-08-20) |
| Dec. 16, 2022 | VSTM | S | 25,162 | $0.40 | $10,065 | 1,126,076 Direct | -2.19% | Disposed | 48.1% (price as of 2026-08-20) |
| Sept. 19, 2022 | VSTM | S | 3,355 | $1.13 | $3,791 | 1,151,238 Direct | -0.29% | Disposed | -47.6% (price as of 2026-08-20) |
| Aug. 1, 2022 | VSTM | S | 5,858 | $1.08 | $6,327 | 1,154,593 Direct | -0.50% | Disposed | -45.1% (price as of 2026-08-20) |
| June 21, 2022 | VSTM | S | 3,362 | $1.14 | $3,833 | 1,160,451 Direct | -0.29% | Disposed | -48.0% (price as of 2026-08-20) |
| May 16, 2022 | VSTM | S | 13,794 | $1.03 | $14,208 | 1,163,813 Direct | -1.17% | Disposed | -42.5% (price as of 2026-08-20) |
| May 2, 2022 | VSTM | S | 5,857 | $1.41 | $8,258 | 1,127,607 Direct | -0.52% | Disposed | -58.0% (price as of 2026-08-20) |
| March 21, 2022 | VSTM | S | 3,507 | $1.27 | $4,454 | 1,133,464 Direct | -0.31% | Disposed | -53.3% (price as of 2026-08-20) |
| Jan. 31, 2022 | VSTM | S | 5,695 | $1.48 | $8,429 | 1,136,971 Direct | -0.50% | Disposed | -60.0% (price as of 2026-08-20) |
| Jan. 3, 2022 | VSTM | S | 26,033 | $2.05 | $53,368 | 1,142,666 Direct | -2.23% | Disposed | -71.1% (price as of 2026-08-20) |
| Dec. 20, 2021 | VSTM | S | 13,682 | $2.27 | $31,058 | 1,168,699 Direct | -1.16% | Disposed | -73.9% (price as of 2026-08-20) |
| Sept. 28, 2018 | VSTM | P | 600 | $7.30 | $4,380 | 1,000 Direct | +150.00% | Acquired | -91.9% (price as of 2026-08-20) |
| Sept. 28, 2018 | VSTM | P | 100 | $7.30 | $730 | 400 Direct | +33.33% | Acquired | -91.9% (price as of 2026-08-20) |
| Sept. 28, 2018 | VSTM | P | 300 | $7.31 | $2,193 | 300 Direct | — | Acquired | -91.9% (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.
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 |
|---|---|---|---|---|---|---|---|
| May 22, 2025 | VSTM | Stock Option (right to buy) | Common Stock (12,500) | $7.48 | May 22, 2035 | 12,500 | Acquired |
| June 18, 2024 | VSTM | Stock Option (right to buy) | Common Stock (12,500) | $3.27 | June 18, 2034 | 12,500 | Acquired |
| March 11, 2024 | VSTM | Stock Option (right to buy) | Common Stock (11,865) | $11.44 | March 11, 2034 | 11,865 | Acquired |
| March 11, 2024 | VSTM | Stock Option (right to buy) | Common Stock (2,083) | $21.72 | June 21, 2029 | 7,699 | Disposed |
| March 11, 2024 | VSTM | Stock Option (right to buy) | Common Stock (2,157) | $59.04 | June 11, 2028 | 4,166 | Disposed |
| Jan. 27, 2023 | VSTM | Stock Option (Right to Buy) | Common Stock (2,216,355) | $0.66 | Jan. 27, 2033 | 2,216,355 | Acquired |
| Dec. 15, 2021 | VSTM | Stock Option (Right to Buy) | Common Stock (737,000) | $2.36 | Dec. 15, 2031 | 737,000 | Acquired |
| Dec. 18, 2020 | VSTM | Stock Option (Right to Buy) | Common Stock (611,328) | $2.20 | Dec. 18, 2030 | 611,328 | Acquired |
| July 5, 2020 | PBYI | STOCK OPTION (RIGHT TO BUY) | COMMON STOCK (93,953) | $10.53 | July 4, 2030 | 93,953 | Acquired |
| Dec. 13, 2019 | VSTM | Stock Option (Right to Buy) | Common Stock (100,000) | $1.34 | Dec. 13, 2029 | 100,000 | Acquired |
| July 29, 2019 | VSTM | Stock Option (Right to Buy) | Common Stock (500,000) | $1.43 | July 29, 2029 | 500,000 | Acquired |
| June 21, 2019 | VSTM | Stock Option (Right to Buy) | Common Stock (50,000) | $1.81 | June 21, 2029 | 50,000 | Acquired |
| June 21, 2019 | VSTM | Stock Option (Right to Buy) | Common Stock (42,397) | $1.81 | June 21, 2029 | 42,397 | Acquired |
| Sept. 6, 2017 | VSTM | Stock Option (Right to Buy) | Common Stock (50,000) | $4.92 | Sept. 6, 2027 | 50,000 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
Compensation (DEF 14A)
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 |
|---|---|---|---|---|---|---|---|---|
| 2022 | $624,000 | — | — | — | $356,733 | — | $49,290 | $1,030,023 |
| 2021 | $600,000 | — | $1,527,058 | $1,249,896 | $390,000 | — | $48,390 | $3,815,344 |
| 2020 | $609,231 | — | — | — | $507,000 | — | $42,390 | $3,472,674 |
Figures from the Summary Compensation Table of the company's proxy statement (DEF 14A). Compensation is not a recommendation.