Insider trading

Period: 120 months Stock: STEX + 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.

169 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.

169 decisions over 120 months
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.

169 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.

169 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.
169 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
169 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.

169 decisions over 120 months
Stock
Insider
Type ?
Why it stands out
1 Oct 2026
Williams Mitchell Young Chief Investment Officer
Sold at will
$35.24K 65,538 at 0.54
2.3%
Not planned
1 Oct 2026
Plummer Christine Marie Chief Financial Officer
Sold at will
$7.18K 13,344 at 0.54
2.8%
Not planned
2 Sep 2026
Williams Mitchell Young Chief Investment Officer
Sold at will
$52.34K 72,689 at 0.72
2.5%
Not planned
12 Jun 2026
Lekstrom Morgan Lee Interim Executive Chairman · indirect
Bought 2×
$49.75K 50,000 at 1.00
16.2%
1 Jun 2026
Williams Mitchell Young Chief Investment Officer
Sold at will
$24.91K 23,810 at 1.05
0.8%
Not planned
28 May 2026
Lekstrom Morgan Lee Interim Executive Chairman · indirect
Bought
$49.98K 34,000 at 1.47
12.4%
21 May 2026
Lekstrom Morgan Lee Interim Executive Chairman · indirect
Bought 3×
$153.10K 147,000 at 1.04
120%
Largest buy in 3 yrs
21 May 2026
Bought
$20.05K 17,745 at 1.13
17.7%
First buy on file
1 May 2026
Williams Mitchell Young Chief Investment Officer
Sold at will
$209.72K 263,863 at 0.79
8.0%
Not planned
15 Apr 2026
Plummer Christine Marie Chief Financial Officer
Sold at will
$2.79K 2,581 at 1.08
0.5%
Not planned
14 Apr 2026
Sold at will
$32.75K 30,611 at 1.07
3.1%
Not planned
14 Apr 2026
Lekstrom Morgan Lee Interim Executive Chairman
Sold at will
$13.65K 12,759 at 1.07
5.7%
Not planned
13 Apr 2026
Plummer Christine Marie Chief Financial Officer
Sold at will
$11.98K 10,922 at 1.10
2.2%
Not planned
18 Feb 2026
Lekstrom Morgan Lee Executive Chairman · indirect
Bought
$50.00K 20,000 at 2.50
19.5%
4 Feb 2026
GIUSTRA FRANK 10% owner · indirect
Bought
$317.00K 100,000 at 3.17
8.5%
3 Feb 2026
Lekstrom Morgan Lee Director · indirect
Bought
$71.91K 23,500 at 3.06
29.7%
+30% of stake
29 Jan 2026
Lekstrom Morgan Lee Director · indirect
Bought
$9.25K 2,500 at 3.70
3.3%
27 Jan 2026
Lekstrom Morgan Lee Director · indirect
Bought
$17.16K 5,500 at 3.12
7.7%
26 Jan 2026
Lekstrom Morgan Lee Director · indirect
Bought
$75.90K 23,000 at 3.30
47.9%
+48% of stake
23 Jan 2026
GIUSTRA FRANK 10% owner · indirect
Bought
$3.00M 1,000,000 at 3.00
561%
Largest buy in 3 yrs
23 Jan 2026
Williams Mitchell Young Chief Investment Officer
Bought
$155.85K 51,511 at 3.03
5.2%
First buy on file
23 Jan 2026
Lekstrom Morgan Lee Director · indirect
Bought
$128.49K 41,000 at 3.13
586%
Largest buy in 3 yrs
21 Nov 2025
Lekstrom Morgan Lee Director · indirect
Bought
$25.06K 7,000 at 3.58
opened
First buy on file
14 Aug 2025
GIUSTRA FRANK 10% owner · indirect
Bought
$500.00K 128,205 at 3.90
opened
Largest buy in 3 yrs
25 Jul 2025
GIUSTRA FRANK 10% owner · indirect
Bought 4×
$234.73K 50,000 at 4.69
opened
First buy on file
13 Jun 2023
LONDONER KENNETH L Chief Executive Officer
Bought 4×
$19.36K 15,600 at 1.24
0.6%
12 Jun 2023
LONDONER KENNETH L Chief Executive Officer
Bought 3×
$7.04K 6,000 at 1.17
0.2%
2 Jun 2023
LONDONER KENNETH L Chief Executive Officer
Bought 4×
$6.29K 4,600 at 1.37
0.2%
31 May 2023
LONDONER KENNETH L Chief Executive Officer
Bought 7×
$12.56K 8,000 at 1.57
0.3%
8 Feb 2023
BUHALY STEVEN J Chief Financial Officer
Bought
no price 232,882 shares
opened
First buy on file
12 Sep 2022
Sieckhaus John Chief Operating Officer
Bought
$4.55K 5,000 at 0.91
7.7%
9 Sep 2022
LONDONER KENNETH L Chief Executive Officer
Bought 11×
$24.30K 29,700 at 0.82
1.6%
8 Sep 2022
LONDONER KENNETH L Chief Executive Officer
Bought 6×
$19.07K 22,766 at 0.84
1.2%
7 Sep 2022
LONDONER KENNETH L Chief Executive Officer
Bought 5×
$6.21K 7,250 at 0.86
0.4%
6 Sep 2022
LONDONER KENNETH L Chief Executive Officer
Bought 5×
$6.00K 5,900 at 1.02
0.3%
2 Sep 2022
LONDONER KENNETH L Chief Executive Officer
Bought 4×
$6.91K 6,400 at 1.08
0.4%
1 Sep 2022
LONDONER KENNETH L Chief Executive Officer
Bought
$18.70K 17,240 at 1.08
1.0%
1 Sep 2022
CHAUSSY STEVE Chief Financial Officer
Bought
$12.93K 11,425 at 1.13
1.1%
Largest buy in 3 yrs
30 Aug 2022
LONDONER KENNETH L Chief Executive Officer
Bought 4×
$9.74K 9,000 at 1.08
0.5%
30 Aug 2022
Sieckhaus John Chief Operating Officer
Bought
$5.34K 5,000 at 1.07
8.3%
29 Aug 2022
LONDONER KENNETH L Chief Executive Officer
Bought 6×
$9.62K 8,850 at 1.09
0.5%
26 Aug 2022
LONDONER KENNETH L Chief Executive Officer
Bought 8×
$9.38K 8,276 at 1.13
0.5%
25 Aug 2022
LONDONER KENNETH L Chief Executive Officer
Bought 5×
$10.03K 8,450 at 1.19
0.5%
24 Aug 2022
Fleming Gray Chief Commercial Officer
Bought
$42.52K 36,036 at 1.18
opened
First buy on file
24 Aug 2022
Bought
$19.72K 17,000 at 1.16
20.5%
First buy on file
24 Aug 2022
Sieckhaus John Chief Operating Officer
Bought
$11.35K 10,000 at 1.13
20.0%
First buy on file
23 Aug 2022
LONDONER KENNETH L Chief Executive Officer
Bought 6×
$13.04K 12,000 at 1.09
0.7%
22 Aug 2022
CHAUSSY STEVE Chief Financial Officer
Bought
$9.02K 8,000 at 1.13
0.8%
Largest buy in 3 yrs
19 Aug 2022
LONDONER KENNETH L Chief Executive Officer
Bought 3×
$10.03K 10,000 at 1.00
0.6%
17 Aug 2022
LONDONER KENNETH L Chief Executive Officer
Bought 7×
$12.66K 13,100 at 0.97
0.8%
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