Insider trading

Period: 120 months Stock: SMTC Role: Directors × + Add filter Clear all
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When

Period

How far back the list reaches. Filings arrive days after the trade, so the newest rows always lag a little.

78 decisions over 120 months
Who

Role

The position the person holds at the company, read from the title on the filing. A chief executive who is also a director counts as the chief executive.

78 decisions over 120 months Remove this filter
The trade

Type of trade

Purchases, sales, or cluster buys: companies where 3 or more insiders bought within 30 days. The number beside each is what that choice would give.

78 decisions over 120 months
The trade

Minimum amount

Hides rows under this value. The amount is the shares traded times the price on the filing.

78 decisions over 120 months
The trade

Plan

  • Discretionary: they chose to sell that week.
  • Scheduled: a 10b5-1 plan fixed the sale months in advance, so the timing says nothing about what they knew.
  • Not stated: filed before the SEC added the box in April 2023, which is most of the older half of this database.
78 decisions over 120 months
The trade

Share of their own holding

How much of what they already held the trade moved. Selling a tenth of a stake is not the same act as selling all of it.

At least
78 decisions over 120 months
Ownership

What the chief executive holds

The value of the chief executive’s stock measured against base salary. The salary comes from the company’s own proxy. Companies with no figure are in neither direction.

78 decisions over 120 months
Stock
Insider
Type ?
Why it stands out
23 Sep 2026
Walsh Paul V Jr Director
Sold on a plan
$86.31K 500 at 172.61
1.8%
Planned (10b5-1)
16 Sep 2026
Sold at will
$877.98K 5,321 at 165.00
100%
Sold half or more
4 Sep 2026
Sold on a plan
$217.50K 1,500 at 145.00
17.4%
Planned (10b5-1)
19 Aug 2026
Walsh Paul V Jr Director
Sold on a plan
$67.74K 500 at 135.48
1.8%
Planned (10b5-1)
22 Jul 2026
Walsh Paul V Jr Director
Sold on a plan
$66.54K 500 at 133.07
1.8%
Planned (10b5-1)
30 Jun 2026
Sold on a plan
$234.36K 1,500 at 156.24
20.9%
Planned (10b5-1)
24 Jun 2026
Walsh Paul V Jr Director
Sold on a plan
$82.50K 500 at 164.99
1.7%
Planned (10b5-1)
28 May 2026
Li Ye Jane Director
Sold at will
$881.76K 5,285 at 166.84
87.9%
Sold half or more
28 May 2026
Sold at will
$164.69K 1,000 at 164.69
35.0%
Not planned
20 May 2026
Walsh Paul V Jr Director
Sold on a plan
$69.11K 500 at 138.21
2.1%
Planned (10b5-1)
22 Apr 2026
Walsh Paul V Jr Director
Sold on a plan
$52.97K 500 at 105.93
2.1%
Planned (10b5-1)
9 Apr 2026
Burvill Martin Director
Sold at will
$222.45K 2,500 at 88.98
36.2%
Not planned
18 Mar 2026
Walsh Paul V Jr Director
Sold on a plan
$40.44K 500 at 80.87
2.0%
Planned (10b5-1)
18 Feb 2026
Walsh Paul V Jr Director
Sold on a plan
$44.12K 500 at 88.24
2.0%
Planned (10b5-1)
21 Jan 2026
Walsh Paul V Jr Director
Sold on a plan
$39.13K 500 at 78.25
1.9%
Planned (10b5-1)
9 Jan 2026
Sold at will
$78.07K 1,034 at 75.50
26.6%
Not planned
7 Jan 2026
Gillai Saar Director
Sold at will
$270.95K 3,600 at 75.26
27.4%
Not planned
17 Dec 2025
Walsh Paul V Jr Director
Sold on a plan
$35.81K 500 at 71.61
1.9%
Planned (10b5-1)
19 Nov 2025
Walsh Paul V Jr Director
Sold on a plan
$31.54K 500 at 63.08
1.9%
Planned (10b5-1)
22 Oct 2025
Walsh Paul V Jr Director
Sold on a plan
$33.12K 500 at 66.24
1.8%
Planned (10b5-1)
16 Sep 2025
Burvill Martin Director
Sold at will
$219.64K 3,500 at 62.75
33.6%
Not planned
29 Aug 2025
Sold on a plan 3×
$87.65K 1,500 at 58.44
27.8%
Planned (10b5-1)
18 Jun 2025
Sold at will
$548.74K 13,123 at 41.82
100%
Sold half or more
10 Dec 2024
Sold on a plan 2×
$119.09K 1,888 at 63.08
42.7%
Planned (10b5-1)
15 Dec 2023
Summers Sylvia Board of Directors
Sold at will
$358.30K 16,000 at 22.39
55.2%
Sold half or more
18 Sep 2023
Walsh Paul V Jr Director
Bought
$496.52K 20,000 at 24.83
×23
First buy on file
14 Sep 2021
Li Ye Jane Board of Directors
Sold, plan not stated
$515.28K 6,749 at 76.35
50.7%
Sold half or more
10 Sep 2021
Li Ye Jane Board of Directors
Sold, plan not stated
$7.60K 100 at 76.00
1.5%
8 Dec 2020
Li Ye Jane Board of Directors
Sold, plan not stated
$532.61K 7,500 at 71.02
59.1%
Sold half or more
7 Dec 2020
EDWARDS BRUCE C Board of Directors
Sold, plan not stated
$2.12M 30,045 at 70.44
48.4%
18 Jun 2020
LINDSTROM JAMES T Board of Directors
Sold, plan not stated
$261.24K 5,000 at 52.25
17.9%
9 Jun 2020
Summers Sylvia Board of Directors
Sold, plan not stated 2×
$419.64K 7,800 at 53.80
25.2%
8 Jun 2020
Summers Sylvia Board of Directors
Sold, plan not stated 3×
$218.84K 4,000 at 54.71
11.4%
1 Jun 2020
BURRA JAMES P Board of Directors
Sold, plan not stated
$264.71K 5,000 at 52.94
26.7%
1 Jun 2020
LINDSTROM JAMES T Board of Directors
Sold, plan not stated
$264.60K 5,000 at 52.92
18.9%
1 Jun 2020
Santoro Carmelo J. Board of Directors
Sold, plan not stated
$140.51K 2,665 at 52.72
10.2%
1 Jun 2020
HANKIN ROCKELL N Board of Directors
Sold, plan not stated
$65.35K 1,250 at 52.28
0.9%
7 Apr 2020
Santoro Carmelo J. Board of Directors
Sold, plan not stated
$133.45K 3,158 at 42.26
13.1%
19 Mar 2020
HANKIN ROCKELL N Board of Directors
Sold, plan not stated
$28.85K 899 at 32.09
0.7%
18 Mar 2020
HANKIN ROCKELL N Board of Directors
Sold, plan not stated 2×
$294.45K 9,101 at 32.35
6.3%
3 Jan 2020
BURRA JAMES P Board of Directors
Sold, plan not stated
$265.25K 5,000 at 53.05
26.7%
27 Sep 2019
LINDSTROM JAMES T Board of Directors
Sold, plan not stated
$245.15K 5,000 at 49.03
18.9%
26 Sep 2019
Santoro Carmelo J. Board of Directors
Sold, plan not stated
$124.95K 2,470 at 50.59
11.4%
11 Sep 2019
Summers Sylvia Board of Directors
Sold, plan not stated
$300.41K 6,487 at 46.31
24.5%
9 Jul 2019
BURRA JAMES P Board of Directors
Sold, plan not stated
$239.61K 5,000 at 47.92
26.7%
2 Jul 2019
HANKIN ROCKELL N Board of Directors
Sold, plan not stated
$75.20K 1,487 at 50.57
1.0%
21 Mar 2019
Summers Sylvia Board of Directors
Sold, plan not stated
$405.35K 7,257 at 55.86
22.5%
20 Mar 2019
Li Ye Jane Board of Directors
Sold, plan not stated
$274.86K 5,000 at 54.97
68.2%
Sold half or more
18 Mar 2019
BURRA JAMES P Board of Directors
Sold, plan not stated
$270.99K 5,000 at 54.20
29.0%
18 Mar 2019
LINDSTROM JAMES T Board of Directors
Sold, plan not stated
$269.79K 5,000 at 53.96
20.0%
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