Calkins Daniel
Officer · VSTM
As of 2026-09-27, Calkins Daniel has 36 Form 4 transactions on record across 1 company — 7 in the trailing 12 months.
Everything this person has disclosed to the SEC on Form 4 — across every company they file for — reconstructed from the public record. A filing history, not a tip sheet.
Pattern in the record: open-market sales filed in September in multiple years since 2024 — a recurring calendar cadence, more consistent with scheduled activity than a one-off decision.
Reconstructed holdings
- Direct $913K
- Indirect $0
| VSTM | direct | 118,014 sh | $913K |
Reconstructed from this person's own Form 4 filings — the total each filing reported owning afterward, priced at the close on the as-of date shown. A filed position can lag the real one.
Direct and indirect holdings (e.g. through a trust or fund) are tagged separately, as filed.
Trades by company
Filing ledger
| Date | Company | Action | Shares @ price | Value | Ownership Δ | Owned after | Filing |
|---|---|---|---|---|---|---|---|
| 2026-09-21 | VSTM | Sale | 55 @ $7.70 | $424 | −0.0% of holding | 118,014 | Form 4 |
| 2026-06-22 | VSTM | Sale | 4,032 @ $4.18 | $17K | −3.3% of holding | 117,295 | Form 4 |
| 2026-06-22 | VSTM | Sale | 57 @ $4.13 | $235 | −0.0% of holding | 117,238 | Form 4 |
| 2026-01-12 | VSTM | Sale | 5,039 @ $7.16 | $36K | −4.6% of holding | 104,719 | Form 4 |
| 2025-12-24 | VSTM | Sale | 80 @ $7.86 | $629 | −0.1% of holding | 109,758 | Form 4 |
| 2025-09-24 | VSTM | Sale | 25 @ $9.23 | $231 | −0.0% of holding | 109,838 | Form 4 |
| 2025-09-22 | VSTM | Sale | 57 @ $9.08 | $518 | −0.1% of holding | 109,863 | Form 4 |
| 2025-06-23 | VSTM | Sale | 25 @ $4.71 | $118 | −0.0% of holding | 109,920 | Form 4 |
| 2025-06-20 | VSTM | Sale | 4,110 @ $5.13 | $21K | −3.6% of holding | 109,945 | Form 4 |
| 2025-05-20 | VSTM | Sale | 11,143 @ $8.13 | $91K | −8.9% of holding | 114,055 | Form 4 |
| 2025-03-24 | VSTM | Sale | 26 @ $7.04 | $183 | −0.0% of holding | 86,348 | Form 4 |
| 2025-03-20 | VSTM | Sale | 65 @ $6.89 | $448 | −0.1% of holding | 86,374 | Form 4 |
| 2025-01-06 | VSTM | Sale | 6 @ $6.94 | $42 | −0.0% of holding | 47,639 | Form 4 |
| 2024-12-24 | VSTM | Sale | 28 @ $3.91 | $109 | −0.1% of holding | 47,368 | Form 4 |
| 2024-12-20 | VSTM | Sale | 65 @ $4.34 | $282 | −0.1% of holding | 47,396 | Form 4 |
| 2024-10-07 | VSTM | Sale | 6 @ $2.86 | $17 | −0.0% of holding | 47,461 | Form 4 |
| 2024-09-24 | VSTM | Sale | 28 @ $2.68 | $75 | −0.1% of holding | 47,467 | Form 4 |
| 2024-09-20 | VSTM | Sale | 65 @ $2.80 | $182 | −0.1% of holding | 47,495 | Form 4 |
| 2024-07-09 | VSTM | Sale | 7 @ $2.62 | $18 | −0.0% of holding | 47,560 | Form 4 |
| 2024-06-24 | VSTM | Sale | 28 @ $3.15 | $88 | −0.1% of holding | 47,290 | Form 4 |
| 2024-06-20 | VSTM | Sale | 67 @ $3.16 | $212 | −0.1% of holding | 47,318 | Form 4 |
| 2024-04-05 | VSTM | Sale | 6 @ $10.87 | $65 | −0.1% of holding | 8,535 | Form 4 |
| 2024-03-25 | VSTM | Sale | 25 @ $12.02 | $301 | −0.3% of holding | 8,541 | Form 4 |
| 2024-03-20 | VSTM | Sale | 55 @ $11.07 | $609 | −0.6% of holding | 8,566 | Form 4 |
12 award / exercise / gift records — not counted as purchases
| Date | Company | Action | Shares | Owned after | Filing |
|---|---|---|---|---|---|
| 2026-03-20 | VSTM | Award / grant | 57 | 121,327 | Form 4 |
| 2026-01-21 | VSTM | Award / grant | 16,665 | 121,384 | Form 4 |
| 2025-05-16 | VSTM | Award / grant | 38,850 | 125,198 | Form 4 |
| 2025-01-10 | VSTM | Award / grant | 38,800 | 86,439 | Form 4 |
| 2024-06-18 | VSTM | Award / grant | 38,850 | 47,385 | Form 4 |
| 2024-03-11 | VSTM | Disposition | 833 | 0 | Form 4 |
| 2024-03-11 | VSTM | Award / grant | 1,175 | 1,175 | Form 4 |
| 2024-03-11 | VSTM | Award / grant | 5,413 | 5,413 | Form 4 |
| 2024-03-11 | VSTM | Disposition | 1,875 | 0 | Form 4 |
| 2024-03-11 | VSTM | Disposition | 750 | 0 | Form 4 |
| 2024-03-11 | VSTM | Disposition | 1,666 | 0 | Form 4 |
| 2024-03-11 | VSTM | Disposition | 631 | 0 | Form 4 |
Source: SEC Form 4 filings. Each row links to its original filing.
Research tool, not investment advice — historical frequencies, not recommendations. A product of Marovel Technologies LLC. Full terms.