$VSTM

📈 Chart

68 transactions across 34 dates · last 365 days

6-Month Buy/Sell Trend

Buys Sells
2026-03-20
1 other
Insider Title Type Shares Price $ Value 10b5-1 Filed
Calkins Daniel Chief Financial Officer A 57 $6 $327 Mar 23
2026-02-04
▼ 1 sell · $6K
Insider Title Type Shares Price $ Value 10b5-1 Filed
Paterson Dan President and CEO ▼ Sell 970 $7 $6K Feb 5
2026-01-21
2 other
⚡ 2 insiders
Insider Title Type Shares Price $ Value 10b5-1 Filed
Calkins Daniel Chief Financial Officer A 16,665 $0 $0 Jan 23
Paterson Dan President and CEO A 213,785 $0 $0 Jan 23
2026-01-12
▼ 2 sells · $110K
⚡ 2 insiders
Insider Title Type Shares Price $ Value 10b5-1 Filed
Calkins Daniel Chief Financial Officer ▼ Sell 5,039 $7 $36K Jan 14
Paterson Dan President and CEO ▼ Sell 10,321 $7 $74K Jan 14
2026-01-06
1 other
Insider Title Type Shares Price $ Value 10b5-1 Filed
Kauffman Michael President of Development A 200,000 $0 $0 Jan 8
2025-12-24
▼ 1 sell · $$629
Insider Title Type Shares Price $ Value 10b5-1 Filed
Calkins Daniel Chief Financial Officer ▼ Sell 80 $8 $629 Dec 29
2025-12-16
▼ 3 sells · $12K
⚡ 3 insiders
Insider Title Type Shares Price $ Value 10b5-1 Filed
Gagnon Robert E. ▼ Sell 283 $9 $3K Dec 18
Paterson Dan President and CEO ▼ Sell 393 $9 $4K Dec 18
Stuglik Brian M ▼ Sell 592 $9 $5K Dec 18
2025-12-10
▼ 1 sell · $20K
Insider Title Type Shares Price $ Value 10b5-1 Filed
Paterson Dan President and CEO ▼ Sell 2,000 $10 $20K Plan Dec 12
2025-12-11
▼ 1 sell · $20K
Insider Title Type Shares Price $ Value 10b5-1 Filed
Paterson Dan President and CEO ▼ Sell 2,000 $10 $20K Plan Dec 12
2025-12-05
▼ 1 sell · $21K
Insider Title Type Shares Price $ Value 10b5-1 Filed
Paterson Dan President and CEO ▼ Sell 2,000 $11 $21K Plan Dec 9
2025-12-08
▼ 1 sell · $21K
Insider Title Type Shares Price $ Value 10b5-1 Filed
Paterson Dan President and CEO ▼ Sell 2,000 $10 $21K Plan Dec 9
2025-12-09
▼ 1 sell · $20K
Insider Title Type Shares Price $ Value 10b5-1 Filed
Paterson Dan President and CEO ▼ Sell 2,000 $10 $20K Plan Dec 9
2025-12-02
▼ 1 sell · $21K
Insider Title Type Shares Price $ Value 10b5-1 Filed
Paterson Dan President and CEO ▼ Sell 2,000 $10 $21K Plan Dec 4
2025-12-03
▼ 1 sell · $20K
Insider Title Type Shares Price $ Value 10b5-1 Filed
Paterson Dan President and CEO ▼ Sell 2,000 $10 $20K Plan Dec 4
2025-12-04
▼ 1 sell · $20K
Insider Title Type Shares Price $ Value 10b5-1 Filed
Paterson Dan President and CEO ▼ Sell 2,000 $10 $20K Plan Dec 4
2025-11-26
▼ 1 sell · $21K
Insider Title Type Shares Price $ Value 10b5-1 Filed
Paterson Dan President and CEO ▼ Sell 2,000 $10 $21K Plan Dec 1
2025-11-28
▼ 1 sell · $22K
Insider Title Type Shares Price $ Value 10b5-1 Filed
Paterson Dan President and CEO ▼ Sell 2,000 $11 $22K Plan Dec 1
2025-12-01
▼ 1 sell · $21K
Insider Title Type Shares Price $ Value 10b5-1 Filed
Paterson Dan President and CEO ▼ Sell 2,000 $10 $21K Plan Dec 1
2025-11-21
▼ 3 sells · $168K 2 other
⚡ 3 insiders
Insider Title Type Shares Price $ Value 10b5-1 Filed
Bunn Paul A. ▼ Sell 6,250 $10 $62K Plan Nov 25
Bunn Paul A. M 6,250 $3 $20K Plan Nov 25
Bunn Paul A. M 6,250 $0 $0 Plan Nov 25
Kauffman Michael ▼ Sell 8,550 $10 $86K Plan Nov 25
Paterson Dan President and CEO ▼ Sell 2,000 $10 $20K Plan Nov 25
2025-11-24
▼ 1 sell · $20K
Insider Title Type Shares Price $ Value 10b5-1 Filed
Paterson Dan President and CEO ▼ Sell 2,000 $10 $20K Plan Nov 25
2025-11-25
▼ 1 sell · $20K
Insider Title Type Shares Price $ Value 10b5-1 Filed
Paterson Dan President and CEO ▼ Sell 2,000 $10 $20K Plan Nov 25
2025-11-03
▼ 2 sells · $32K
Insider Title Type Shares Price $ Value 10b5-1 Filed
Paterson Dan President and CEO ▼ Sell 1,299 $9 $12K Plan Nov 6
Paterson Dan President and CEO ▼ Sell 2,000 $10 $20K Plan Nov 6
2025-10-09
▼ 1 sell · $75K
Insider Title Type Shares Price $ Value 10b5-1 Filed
Bunn Paul A. ▼ Sell 8,333 $9 $75K Plan Oct 14
2025-09-22
▼ 1 sell · $$518
Insider Title Type Shares Price $ Value 10b5-1 Filed
Calkins Daniel Chief Financial Officer ▼ Sell 57 $9 $518 Sep 24
2025-09-24
▼ 1 sell · $$231
Insider Title Type Shares Price $ Value 10b5-1 Filed
Calkins Daniel Chief Financial Officer ▼ Sell 25 $9 $231 Sep 24
2025-09-16
▼ 3 sells · $13K
⚡ 3 insiders
Insider Title Type Shares Price $ Value 10b5-1 Filed
Gagnon Robert E. ▼ Sell 281 $10 $3K Sep 18
Paterson Dan President and CEO ▼ Sell 390 $10 $4K Sep 18
Stuglik Brian M ▼ Sell 587 $10 $6K Sep 18
2025-08-06
▼ 1 sell · $8K
Insider Title Type Shares Price $ Value 10b5-1 Filed
Paterson Dan President and CEO ▼ Sell 1,332 $6 $8K Aug 6
2025-06-20
▼ 2 sells · $112K
⚡ 2 insiders
Insider Title Type Shares Price $ Value 10b5-1 Filed
Calkins Daniel Chief Financial Officer ▼ Sell 4,110 $5 $21K Jun 24
Paterson Dan President and CEO ▼ Sell 17,808 $5 $91K Jun 24
2025-06-23
▼ 1 sell · $$118
Insider Title Type Shares Price $ Value 10b5-1 Filed
Calkins Daniel Chief Financial Officer ▼ Sell 25 $5 $118 Jun 24
2025-06-16
▼ 3 sells · $7K
⚡ 3 insiders
Insider Title Type Shares Price $ Value 10b5-1 Filed
Gagnon Robert E. ▼ Sell 284 $6 $2K Jun 20
Paterson Dan President and CEO ▼ Sell 335 $6 $2K Jun 20
Stuglik Brian M ▼ Sell 594 $6 $3K Jun 20
2025-05-22
18 other
⚡ 9 insiders
Insider Title Type Shares Price $ Value 10b5-1 Filed
Bunn Paul A. A 8,333 $0 $0 May 27
Bunn Paul A. A 12,500 $0 $0 May 27
Gagnon Robert E. A 8,333 $0 $0 May 27
Gagnon Robert E. A 12,500 $0 $0 May 27
JOHNSON JOHN A 8,333 $0 $0 May 27
JOHNSON JOHN A 12,500 $0 $0 May 27
Kapur Anil A 8,333 $0 $0 May 27
Kapur Anil A 12,500 $0 $0 May 27
Kauffman Michael A 8,333 $0 $0 May 27
Kauffman Michael A 12,500 $0 $0 May 27
ROBERTSON MICHELLE A 8,333 $0 $0 May 27
ROBERTSON MICHELLE A 12,500 $0 $0 May 27
Rowinsky Eric K A 8,333 $0 $0 May 27
Rowinsky Eric K A 12,500 $0 $0 May 27
Stuglik Brian M A 8,333 $0 $0 May 27
Stuglik Brian M A 12,500 $0 $0 May 27
Tollefson Karin Anna A 8,333 $0 $0 May 27
Tollefson Karin Anna A 12,500 $0 $0 May 27
2025-05-16
3 other
⚡ 2 insiders
Insider Title Type Shares Price $ Value 10b5-1 Filed
Calkins Daniel Chief Financial Officer A 38,850 $0 $0 May 20
Paterson Dan President and CEO A 25,000 $0 $0 May 20
Paterson Dan President and CEO A 150,000 $0 $0 May 20
2025-05-20
▼ 2 sells · $568K
⚡ 2 insiders
Insider Title Type Shares Price $ Value 10b5-1 Filed
Calkins Daniel Chief Financial Officer ▼ Sell 11,143 $8 $91K May 20
Paterson Dan President and CEO ▼ Sell 58,677 $8 $477K May 20
2025-05-05
▼ 1 sell · $6K
Insider Title Type Shares Price $ Value 10b5-1 Filed
Paterson Dan President and CEO ▼ Sell 820 $7 $6K May 7