Daniel Calkins
CIK 1951861 · View on SEC EDGAR ↗
Insider
First SEC filing: Nov. 8, 2022 · Latest: Nov. 8, 2022
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.
- Compensation Executive pay disclosed in company proxy statements.
Insider at
Insider transactions
0 buys (P)
6 sells (S)
Net:
$-54,546
+ 15 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
15 other filings hidden
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| June 22, 2026 | VSTM | S | 57 | $4.13 | $235 | 117,238 Direct | -0.05% | Disposed | 81.8% (price as of 2026-08-19) |
| June 22, 2026 | VSTM | S | 4,032 | $4.18 | $16,854 | 117,295 Direct | -3.32% | Disposed | 79.7% (price as of 2026-08-19) |
| Jan. 12, 2026 | VSTM | S | 5,039 | $7.16 | $36,079 | 104,719 Direct | -4.59% | Disposed | 4.9% (price as of 2026-08-19) |
| Dec. 24, 2025 | VSTM | S | 80 | $7.86 | $629 | 109,758 Direct | -0.07% | Disposed | -4.5% (price as of 2026-08-19) |
| Sept. 24, 2025 | VSTM | S | 25 | $9.23 | $231 | 109,838 Direct | -0.02% | Disposed | -18.6% (price as of 2026-08-19) |
| Sept. 22, 2025 | VSTM | S | 57 | $9.08 | $518 | 109,863 Direct | -0.05% | Disposed | -17.3% (price as of 2026-08-19) |
| June 23, 2025 | VSTM | S | 25 | $4.71 | $118 | 109,920 Direct | -0.02% | Disposed | 59.4% (price as of 2026-08-19) |
| June 20, 2025 | VSTM | S | 4,110 | $5.13 | $21,084 | 109,945 Direct | -3.60% | Disposed | 46.4% (price as of 2026-08-19) |
| May 20, 2025 | VSTM | S | 11,143 | $8.13 | $90,593 | 114,055 Direct | -8.90% | Disposed | -7.6% (price as of 2026-08-19) |
| March 24, 2025 | VSTM | S | 26 | $7.04 | $183 | 86,348 Direct | -0.03% | Disposed | 6.7% (price as of 2026-08-19) |
| March 20, 2025 | VSTM | S | 65 | $6.89 | $448 | 86,374 Direct | -0.08% | Disposed | 9.0% (price as of 2026-08-19) |
| Jan. 6, 2025 | VSTM | S | 6 | $6.94 | $42 | 47,639 Direct | -0.01% | Disposed | 8.2% (price as of 2026-08-19) |
| Dec. 24, 2024 | VSTM | S | 28 | $3.91 | $109 | 47,368 Direct | -0.06% | Disposed | 92.1% (price as of 2026-08-19) |
| Dec. 20, 2024 | VSTM | S | 65 | $4.34 | $282 | 47,396 Direct | -0.14% | Disposed | 73.0% (price as of 2026-08-19) |
| Oct. 7, 2024 | VSTM | S | 6 | $2.86 | $17 | 47,461 Direct | -0.01% | Disposed | 162.6% (price as of 2026-08-19) |
| Sept. 24, 2024 | VSTM | S | 28 | $2.68 | $75 | 47,467 Direct | -0.06% | Disposed | 180.2% (price as of 2026-08-19) |
| Sept. 20, 2024 | VSTM | S | 65 | $2.80 | $182 | 47,495 Direct | -0.14% | Disposed | 168.2% (price as of 2026-08-19) |
| July 9, 2024 | VSTM | S | 7 | $2.62 | $18 | 47,560 Direct | -0.01% | Disposed | 186.6% (price as of 2026-08-19) |
| June 24, 2024 | VSTM | S | 28 | $3.15 | $88 | 47,290 Direct | -0.06% | Disposed | 138.4% (price as of 2026-08-19) |
| June 20, 2024 | VSTM | S | 67 | $3.16 | $212 | 47,318 Direct | -0.14% | Disposed | 137.7% (price as of 2026-08-19) |
| April 5, 2024 | VSTM | S | 6 | $10.87 | $65 | 8,535 Direct | -0.07% | Disposed | -30.9% (price as of 2026-08-19) |
| March 25, 2024 | VSTM | S | 25 | $12.02 | $300 | 8,541 Direct | -0.29% | Disposed | -37.5% (price as of 2026-08-19) |
| March 20, 2024 | VSTM | S | 55 | $11.07 | $609 | 8,566 Direct | -0.64% | Disposed | -32.2% (price as of 2026-08-19) |
| Jan. 5, 2024 | VSTM | S | 6 | $8.50 | $51 | 8,621 Direct | -0.07% | Disposed | -11.6% (price as of 2026-08-19) |
| Dec. 26, 2023 | VSTM | S | 25 | $8.08 | $202 | 8,350 Direct | -0.30% | Disposed | -7.1% (price as of 2026-08-19) |
| Dec. 20, 2023 | VSTM | S | 57 | $7.93 | $452 | 8,375 Direct | -0.68% | Disposed | -5.3% (price as of 2026-08-19) |
| Oct. 5, 2023 | VSTM | S | 5 | $7.30 | $36 | 8,432 Direct | -0.06% | Disposed | 2.9% (price as of 2026-08-19) |
| Sept. 25, 2023 | VSTM | S | 25 | $9.40 | $235 | 8,437 Direct | -0.30% | Disposed | -20.1% (price as of 2026-08-19) |
| Sept. 21, 2023 | VSTM | S | 232 | $9.31 | $2,160 | 8,462 Direct | -2.67% | Disposed | -19.3% (price as of 2026-08-19) |
| July 6, 2023 | VSTM | S | 5 | $8.02 | $40 | 8,694 Direct | -0.06% | Disposed | -6.4% (price as of 2026-08-19) |
| June 26, 2023 | VSTM | S | 26 | $8.17 | $212 | 8,422 Direct | -0.31% | Disposed | -8.1% (price as of 2026-08-19) |
| April 5, 2023 | VSTM | S | 75 | $0.37 | $28 | 101,397 Direct | -0.07% | Disposed | 69.1% (price as of 2026-08-19) |
| March 24, 2023 | VSTM | S | 378 | $0.42 | $159 | 101,472 Direct | -0.37% | Disposed | 49.0% (price as of 2026-08-19) |
| Jan. 5, 2023 | VSTM | S | 74 | $0.43 | $32 | 98,517 Direct | -0.08% | Disposed | 45.5% (price as of 2026-08-19) |
| Dec. 27, 2022 | VSTM | S | 1,246 | $0.33 | $411 | 98,591 Direct | -1.25% | Disposed | 89.6% (price as of 2026-08-19) |
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 |
|---|---|---|---|---|---|---|---|
| March 11, 2024 | VSTM | Stock Option (right to buy) | Common Stock (1,175) | $11.44 | March 11, 2034 | 1,175 | Acquired |
| March 11, 2024 | VSTM | Stock Option (right to buy) | Common Stock (5,413) | $11.44 | March 11, 2034 | 5,413 | Acquired |
| March 11, 2024 | VSTM | Stock Option (right to buy) | Common Stock (1,875) | $27.72 | Dec. 23, 2031 | 1,875 | Disposed |
| March 11, 2024 | VSTM | Stock Option (right to buy) | Common Stock (750) | $26.40 | Jan. 4, 2031 | 750 | Disposed |
| March 11, 2024 | VSTM | Stock Option (right to buy) | Common Stock (833) | $29.76 | April 1, 2030 | 833 | Disposed |
| March 11, 2024 | VSTM | Stock Option (right to buy) | Common Stock (1,666) | $15.96 | Dec. 20, 2029 | 1,666 | Disposed |
| March 11, 2024 | VSTM | Stock Option (right to buy) | Common Stock (833) | $21.72 | June 21, 2029 | 833 | Disposed |
| March 11, 2024 | VSTM | Stock Option (right to buy) | Common Stock (631) | $43.32 | Jan. 2, 2029 | 631 | Disposed |
| Oct. 24, 2023 | VSTM | Stock Option (Right to Buy) | Common Stock (25,000) | $6.89 | Oct. 24, 2033 | 25,000 | Acquired |
| Jan. 27, 2023 | VSTM | Stock Option (Right to Buy) | Common Stock (165,000) | $0.66 | Jan. 27, 2033 | 165,000 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
Initial ownership (Form 3) 8 holdings
Securities held when first becoming an insider, per SEC Form 3.
| Date | Ticker | Security | Shares | Ownership |
|---|---|---|---|---|
| Nov. 8, 2022 | VSTM | Common Stock | 99,837 | Direct |
| Nov. 8, 2022 | VSTM | Stock Option (right to buy)→ Common Stock (7,583) | 7,583 | Direct |
| Nov. 8, 2022 | VSTM | Stock Option (right to buy)→ Common Stock (10,000) | 10,000 | Direct |
| Nov. 8, 2022 | VSTM | Stock Option (right to buy)→ Common Stock (20,000) | 20,000 | Direct |
| Nov. 8, 2022 | VSTM | Stock Option (right to buy)→ Common Stock (10,000) | 10,000 | Direct |
| Nov. 8, 2022 | VSTM | Stock Option (right to buy)→ Common Stock (9,000) | 9,000 | Direct |
| Nov. 8, 2022 | VSTM | Stock Option (right to buy)→ Common Stock (22,500) | 22,500 | Direct |
| Nov. 8, 2022 | VSTM | Stock Option (right to buy)→ Common Stock (52,500) | 52,500 | Direct |
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 | $221,731 | — | — | — | $72,900 | — | $16,036 | $375,547 |
Figures from the Summary Compensation Table of the company's proxy statement (DEF 14A). Compensation is not a recommendation.