Insider

Insider

Form 4/4-A open-market insider transactions (officers, directors, 10% owners) · 93 transactions
Table I (non-derivative) transactions only -- common stock bought, sold, awarded, exercised, or tax-withheld. Covers this app's full ticker Universe (backfilled INSIDER_LOOKBACK_QUARTERS quarters back, continuously monitored) plus whatever the market-wide discovery has found beyond it. Informational only: never summed into the core flow ranking.
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Ticker Insider Role Type Date Shares Price Value Notes Filing
VSTM Calkins Daniel Chief Financial Officer Sale 10b5-1 2026-09-21 55 $7.70 $424 Disposed (118,014 owned after) EDGAR
VSTM Paterson Dan President and CEO Sale 10b5-1 2026-08-03 1,302 $5.81 $7,565 Disposed (589,940 owned after) EDGAR
VSTM Paterson Dan President and CEO Sale 10b5-1 2026-06-22 20,871 $4.18 $87,241 Disposed (591,242 owned after) EDGAR
VSTM Calkins Daniel Chief Financial Officer Sale 10b5-1 2026-06-22 4,032 $4.18 $16,854 Disposed (117,295 owned after) EDGAR
VSTM Calkins Daniel Chief Financial Officer Sale 10b5-1 2026-06-22 57 $4.13 $235 Disposed (117,238 owned after) EDGAR
VSTM BAILEY MICHAEL P Director Award 2026-05-21 108,000 — — Acquired (108,000 owned after) EDGAR
VSTM Kapur Anil Director Award 2026-05-21 36,000 — — Acquired (52,666 owned after) EDGAR
VSTM Tollefson Karin Anna Director Award 2026-05-21 36,000 — — Acquired (52,666 owned after) EDGAR
VSTM Bunn Paul A. Director Award 2026-05-21 36,000 — — Acquired (44,333 owned after) EDGAR
VSTM Stuglik Brian M Director Award 2026-05-21 36,000 — — Acquired (137,147 owned after) EDGAR
VSTM JOHNSON JOHN Director Award 2026-05-21 36,000 — — Acquired (52,666 owned after) EDGAR
VSTM Rowinsky Eric K Director Award 2026-05-21 36,000 — — Acquired (52,666 owned after) EDGAR
VSTM ROBERTSON MICHELLE Director Award 2026-05-21 36,000 — — Acquired (52,666 owned after) EDGAR
VSTM Paterson Dan President and CEO Sale 10b5-1 2026-05-04 806 $5.82 $4,691 Disposed (612,113 owned after) EDGAR
VSTM Calkins Daniel Chief Financial Officer Award 10b5-1 2026-03-20 57 $5.74 $327 Disposed (121,327 owned after) EDGAR
VSTM Paterson Dan President and CEO Sale 10b5-1 2026-02-04 970 $6.69 $6,489 Disposed (612,919 owned after) EDGAR
VSTM Calkins Daniel Chief Financial Officer Award 2026-01-21 16,665 — — Acquired (121,384 owned after) EDGAR
VSTM Paterson Dan President and CEO Award 2026-01-21 213,785 — — Acquired (613,889 owned after) EDGAR
VSTM Paterson Dan President and CEO Sale 10b5-1 2026-01-12 10,321 $7.16 $73,898 Disposed (400,104 owned after) EDGAR
VSTM Calkins Daniel Chief Financial Officer Sale 10b5-1 2026-01-12 5,039 $7.16 $36,079 Disposed (104,719 owned after) EDGAR
VSTM Calkins Daniel Chief Financial Officer Sale 10b5-1 2025-12-24 80 $7.86 $629 Disposed (109,758 owned after) EDGAR
VSTM Stuglik Brian M Director Sale 10b5-1 2025-12-16 592 $9.14 $5,411 Disposed (101,147 owned after) EDGAR
VSTM Paterson Dan President and CEO Sale 10b5-1 2025-12-16 393 $9.14 $3,592 Disposed (410,425 owned after) EDGAR
VSTM Gagnon Robert E. Director Sale 10b5-1 2025-12-16 283 $9.14 $2,587 Disposed (41,678 owned after) EDGAR
VSTM Paterson Dan President and CEO Sale 10b5-1 2025-12-11 2,000 $10.00 $20,000 Disposed (410,818 owned after) EDGAR
VSTM Paterson Dan President and CEO Sale 10b5-1 2025-12-10 2,000 $10.07 $20,140 Disposed (412,818 owned after) EDGAR
VSTM Paterson Dan President and CEO Sale 10b5-1 2025-12-09 2,000 $10.25 $20,500 Disposed (414,818 owned after) EDGAR
VSTM Paterson Dan President and CEO Sale 10b5-1 2025-12-08 2,000 $10.50 $21,000 Disposed (416,818 owned after) EDGAR
VSTM Paterson Dan President and CEO Sale 10b5-1 2025-12-05 2,000 $10.61 $21,220 Disposed (418,818 owned after) EDGAR
VSTM Paterson Dan President and CEO Sale 10b5-1 2025-12-04 2,000 $10.00 $20,000 Disposed (420,818 owned after) EDGAR
VSTM Paterson Dan President and CEO Sale 10b5-1 2025-12-03 2,000 $10.00 $20,000 Disposed (422,818 owned after) EDGAR
VSTM Paterson Dan President and CEO Sale 10b5-1 2025-12-02 2,000 $10.32 $20,640 Disposed (424,818 owned after) EDGAR
VSTM Paterson Dan President and CEO Sale 10b5-1 2025-12-01 2,000 $10.39 $20,780 Disposed (426,818 owned after) EDGAR
VSTM Paterson Dan President and CEO Sale 10b5-1 2025-11-28 2,000 $10.79 $21,580 Disposed (428,818 owned after) EDGAR
VSTM Paterson Dan President and CEO Sale 10b5-1 2025-11-26 2,000 $10.32 $20,640 Disposed (430,818 owned after) EDGAR
VSTM Paterson Dan President and CEO Sale 10b5-1 2025-11-25 2,000 $10.00 $20,000 Disposed (432,818 owned after) EDGAR
VSTM Paterson Dan President and CEO Sale 10b5-1 2025-11-24 2,000 $10.00 $20,000 Disposed (434,818 owned after) EDGAR
VSTM Paterson Dan President and CEO Sale 10b5-1 2025-11-21 2,000 $10.00 $20,000 Disposed (436,818 owned after) EDGAR
VSTM Bunn Paul A. Director Sale 10b5-1 2025-11-21 6,250 $10.00 $62,500 Disposed (2,083 owned after) EDGAR
VSTM Bunn Paul A. Director Option exercise 10b5-1 2025-11-21 6,250 $3.27 $20,438 Acquired (8,333 owned after) EDGAR
VSTM Kauffman Michael Director Sale 10b5-1 2025-11-21 8,550 $10.00 $85,500 Disposed (8,666 owned after) EDGAR
VSTM Paterson Dan President and CEO Sale 10b5-1 2025-11-03 1,299 $9.35 $12,146 Disposed (440,818 owned after) EDGAR
VSTM Paterson Dan President and CEO Sale 10b5-1 2025-11-03 2,000 $10.00 $20,000 Disposed (438,818 owned after) EDGAR
VSTM Bunn Paul A. Director Sale 10b5-1 2025-10-09 8,333 $9.06 $75,497 Disposed (8,333 owned after) EDGAR
VSTM Calkins Daniel Chief Financial Officer Sale 10b5-1 2025-09-24 25 $9.23 $231 Disposed (109,838 owned after) EDGAR
VSTM Calkins Daniel Chief Financial Officer Sale 10b5-1 2025-09-22 57 $9.08 $518 Disposed (109,863 owned after) EDGAR
VSTM Gagnon Robert E. Director Sale 10b5-1 2025-09-16 281 $9.99 $2,807 Disposed (41,961 owned after) EDGAR
VSTM Paterson Dan President and CEO Sale 10b5-1 2025-09-16 390 $9.99 $3,896 Disposed (442,117 owned after) EDGAR
VSTM Stuglik Brian M Director Sale 10b5-1 2025-09-16 587 $9.99 $5,864 Disposed (101,739 owned after) EDGAR
VSTM Paterson Dan President and CEO Sale 10b5-1 2025-08-06 1,332 $5.81 $7,739 Disposed (442,507 owned after) EDGAR
VSTM Calkins Daniel Chief Financial Officer Sale 10b5-1 2025-06-23 25 $4.71 $118 Disposed (109,920 owned after) EDGAR
VSTM Paterson Dan President and CEO Sale 10b5-1 2025-06-20 17,808 $5.13 $91,355 Disposed (443,839 owned after) EDGAR
VSTM Calkins Daniel Chief Financial Officer Sale 10b5-1 2025-06-20 4,110 $5.13 $21,084 Disposed (109,945 owned after) EDGAR
VSTM Paterson Dan President and CEO Sale 2025-06-16 335 $5.65 $1,893 Disposed (461,647 owned after) EDGAR
VSTM Gagnon Robert E. Director Sale 2025-06-16 284 $5.65 $1,605 Disposed (42,242 owned after) EDGAR
VSTM Stuglik Brian M Director Sale 2025-06-16 594 $5.65 $3,356 Disposed (102,326 owned after) EDGAR
VSTM Kapur Anil Director Award 2025-05-22 8,333 — — Acquired (16,666 owned after) EDGAR
VSTM JOHNSON JOHN Director Award 2025-05-22 8,333 — — Acquired (16,666 owned after) EDGAR
VSTM Stuglik Brian M Director Award 2025-05-22 8,333 — — Acquired (102,920 owned after) EDGAR
VSTM Rowinsky Eric K Director Award 2025-05-22 8,333 — — Acquired (16,666 owned after) EDGAR
VSTM Gagnon Robert E. Director Award 2025-05-22 8,333 — — Acquired (42,526 owned after) EDGAR
VSTM ROBERTSON MICHELLE Director Award 2025-05-22 8,333 — — Acquired (16,666 owned after) EDGAR
VSTM Kauffman Michael Director Award 2025-05-22 8,333 — — Acquired (17,216 owned after) EDGAR
VSTM Bunn Paul A. Director Award 2025-05-22 8,333 — — Acquired (16,666 owned after) EDGAR
VSTM Tollefson Karin Anna Director Award 2025-05-22 8,333 — — Acquired (16,666 owned after) EDGAR
VSTM Calkins Daniel Chief Financial Officer Sale 10b5-1 2025-05-20 11,143 $8.13 $90,593 Disposed (114,055 owned after) EDGAR
VSTM Paterson Dan President and CEO Sale 10b5-1 2025-05-20 58,677 $8.13 $477,044 Disposed (461,982 owned after) EDGAR
VSTM Calkins Daniel Chief Financial Officer Award 10b5-1 2025-05-16 38,850 — — Disposed (125,198 owned after) EDGAR
VSTM Paterson Dan President and CEO Award 10b5-1 2025-05-16 25,000 — — Disposed (370,659 owned after) EDGAR
VSTM Paterson Dan President and CEO Award 10b5-1 2025-05-16 150,000 — — Disposed (520,659 owned after) EDGAR
VSTM Paterson Dan President and CEO Sale 2025-05-05 820 $7.30 $5,986 Disposed (345,659 owned after) EDGAR
VSTM Ros Matthew Chief Operating Officer Award 2025-04-01 50,000 — — Acquired (50,000 owned after) EDGAR
VSTM Calkins Daniel Chief Financial Officer Sale 2025-03-24 26 $7.04 $183 Disposed (86,348 owned after) EDGAR
VSTM Calkins Daniel Chief Financial Officer Sale 2025-03-20 65 $6.89 $448 Disposed (86,374 owned after) EDGAR
VSTM Paterson Dan President and CEO Sale 2025-03-17 244 $6.95 $1,696 Disposed (346,479 owned after) EDGAR
VSTM Gagnon Robert E. Director Sale 2025-03-17 284 $6.95 $1,974 Disposed (34,193 owned after) EDGAR
VSTM Stuglik Brian M Director Sale 2025-03-17 593 $6.95 $4,121 Disposed (94,587 owned after) EDGAR
VSTM Paterson Dan President and CEO Sale 2025-02-04 858 $5.70 $4,891 Disposed (346,723 owned after) EDGAR
VSTM Paterson Dan President and CEO Sale 2025-01-13 8,568 $5.24 $44,896 Disposed (347,581 owned after) EDGAR
VSTM Calkins Daniel Chief Financial Officer Award 2025-01-10 38,800 — — Acquired (86,439 owned after) EDGAR
VSTM Paterson Dan President and CEO Award 2025-01-10 25,000 — — Acquired (356,149 owned after) EDGAR
VSTM Paterson Dan President and CEO Award 2025-01-10 100,000 — — Acquired (331,149 owned after) EDGAR
VSTM Calkins Daniel Chief Financial Officer Sale 2025-01-06 6 $6.94 $42 Disposed (47,639 owned after) EDGAR
VSTM Calkins Daniel Chief Financial Officer Sale 2024-12-24 28 $3.91 $109 Disposed (47,368 owned after) EDGAR
VSTM Calkins Daniel Chief Financial Officer Sale 2024-12-20 65 $4.34 $282 Disposed (47,396 owned after) EDGAR
VSTM Paterson Dan President and CEO Sale 2024-12-19 183 $4.37 $800 Disposed (231,149 owned after) EDGAR
VSTM Stuglik Brian M Director Sale 2024-12-19 334 $4.37 $1,460 Disposed (95,180 owned after) EDGAR
VSTM Gagnon Robert E. Director Sale 2024-12-19 130 $4.37 $568 Disposed (34,477 owned after) EDGAR
VSTM Paterson Dan President and CEO Sale 2024-12-16 244 $4.54 $1,108 Disposed (231,332 owned after) EDGAR
VSTM Stuglik Brian M Director Sale 2024-12-16 595 $4.54 $2,701 Disposed (95,514 owned after) EDGAR
VSTM Gagnon Robert E. Director Sale 2024-12-16 285 $4.54 $1,294 Disposed (34,607 owned after) EDGAR
VSTM Paterson Dan President and CEO Sale 2024-11-05 812 $3.84 $3,118 Disposed (231,576 owned after) EDGAR
VSTM Calkins Daniel Chief Financial Officer Sale 2024-10-07 6 $2.86 $17 Disposed (47,461 owned after) EDGAR
Long US-equity 13F disclosures only · up to 45-day reporting lag · sells = reduce/avoid, not short. JSON: /api/signals · /api/funds · /api/status