Stock chart
Ticker: STEM Exchange: NYS


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Purchase Sale Planned purchase Planned sale Net purchase Net sale Earnings
Earnings
 
Value bought

Past 90 days

 
Value sold

Past 90 days

 
Net insiders buying

Past 90 days

 
Trades (buy and sell)

Past 90 days

Abbreviations B: Buy, S: Sell, PP: Planned purchase, PS: Planned sale, O: Option / Other
Notification date Transaction date B/S Transaction type Insider and/or position Nb. shares
Price
Value
Number of shares Price Value Details
2025-03-17 2025-03-12 S Sale

Carlson Michael James

Chief Operating Officer

Officer
27,739 -12.0%
0.40
USD 11,207
27,739 -12.0% 0.40 USD 11,207
2025-03-17 2025-03-12 S Sale

Tappin Matthew

President, Software Division

Officer
13,070 -18.7%
0.40
USD 5,280
13,070 -18.7% 0.40 USD 5,280
2025-03-17 2025-03-07 S Sale

Tappin Matthew

President, Software Division

Officer
5,645 -12.2%
0.42
USD 2,365
5,645 -12.2% 0.42 USD 2,365
2025-02-21 2025-02-20 S Sale

Albert Hofeldt

Chief Technology Officer

Officer
13,294 -6.7%
0.63
USD 8,331
13,294 -6.7% 0.63 USD 8,331
2025-02-21 2025-02-20 S Sale

Tappin Matthew

President, Software Division

Officer
8,130 -19.9%
0.63
USD 5,095
8,130 -19.9% 0.63 USD 5,095
2024-05-30 2024-05-28 PS Planned sale

Tappin Matthew

President, Asset Management

Officer
1,388 -7.7%
1.32
USD 1,832
1,388 -7.7% 1.32 USD 1,832
2024-05-07 2024-05-02 S Sale

Carrington John Eugene

CEO and Director

Executive Director
194,171 -27.7%
1.85
USD 359,216
194,171 -27.7% 1.85 USD 359,216
2024-04-30 2024-04-30 S Sale

BUSH WILLIAM JOHN

Chief Financial Officer

Officer
24,035 -5.8%
1.87
USD 44,945
24,035 -5.8% 1.87 USD 44,945
2024-04-30 2024-04-30 S Sale

Patel Prakesh

Chief Strategy Officer

Officer
23,863 -11.6%
1.87
USD 44,624
23,863 -11.6% 1.87 USD 44,624
2024-04-30 2024-04-30 S Sale

Laureles Saul R.

Chief Legal Officer

Officer
822 -0.5%
1.87
USD 1,537
822 -0.5% 1.87 USD 1,537
2024-04-30 2024-04-30 S Sale

Russo Alan

Chief Revenue Officer

Officer
24,142 -10.2%
1.87
USD 45,146
24,142 -10.2% 1.87 USD 45,146
2024-03-20 2024-03-19 S Sale

Tappin Matthew

President, Asset Management

Officer
26,640 -63.6%
1.82
USD 48,485
26,640 -63.6% 1.82 USD 48,485
2024-03-20 2024-03-19 S Sale

Schaefer Robert

President, Transformational

Officer
100,000 -12.3%
1.82
USD 182,000
100,000 -12.3% 1.82 USD 182,000
2024-03-20 2024-03-18 B Purchase

BUZBY DAVID S

Non-Executive Director
33,800 +4.6%
1.81
USD 61,178
33,800 +4.6% 1.81 USD 61,178
2024-03-18 2024-03-15 B Purchase

BUZBY DAVID S

Non-Executive Director
62,500 +9.3%
1.84
USD 115,000
62,500 +9.3% 1.84 USD 115,000
2024-03-18 2024-03-15 B Purchase

Carlson Michael James

Chief Operating Officer

Officer
44,882 +53.4%
1.75
USD 78,544
44,882 +53.4% 1.75 USD 78,544
2024-03-18 2024-03-15 B Purchase

Homenock Kim

Chief People Officer

Officer
24,000 +17.4%
1.84
USD 44,160
24,000 +17.4% 1.84 USD 44,160
2024-03-18 2024-03-14 B Purchase

Carlson Michael James

Chief Operating Officer

Officer
10,118 +13.7%
1.75
USD 17,707
10,118 +13.7% 1.75 USD 17,707
2024-03-14 2024-03-13 S Sale

Johnson larsh

Chief Technology Officer

Officer
21,428 -21.4%
2.00
USD 42,856
21,428 -21.4% 2.00 USD 42,856
2024-03-14 2024-03-12 S Sale

Johnson larsh

Chief Technology Officer

Officer
20,000 -16.6%
2.00
USD 40,000
20,000 -16.6% 2.00 USD 40,000
2024-03-12 2024-03-11 S Sale

Shukla Rahul

Chief Accounting Officer

Officer
21,332 -100.0%
2.21
USD 47,144
21,332 -100.0% 2.21 USD 47,144
2024-03-12 2024-03-08 S Sale

Shukla Rahul

Chief Accounting Officer

Officer
19,899 -48.3%
2.19
USD 43,579
19,899 -48.3% 2.19 USD 43,579
2024-03-12 2024-03-08 S Sale

Johnson larsh

Chief Technology Officer

Officer
35,880 -23.0%
2.19
USD 78,577
35,880 -23.0% 2.19 USD 78,577
2024-03-12 2024-03-08 S Sale

Schaefer Robert

President, Transformational

Officer
37,463 -4.4%
2.19
USD 82,044
37,463 -4.4% 2.19 USD 82,044
2024-03-12 2024-03-08 S Sale

Tappin Matthew

President, Asset Management

Officer
24,899 -37.3%
2.19
USD 54,529
24,899 -37.3% 2.19 USD 54,529
2024-03-12 2024-03-08 S Sale

Carlson Michael James

Chief Operating Officer

Officer
35,269 -32.3%
2.19
USD 77,239
35,269 -32.3% 2.19 USD 77,239
2024-03-12 2024-03-08 S Sale

Laureles Saul R.

Chief Legal Officer

Officer
26,602 -15.2%
2.19
USD 58,258
26,602 -15.2% 2.19 USD 58,258
2024-03-12 2024-03-08 S Sale

Carrington John Eugene

CEO and Director

Executive Director
85,038 -24.5%
2.19
USD 186,233
85,038 -24.5% 2.19 USD 186,233
2024-03-12 2024-03-08 S Sale

Homenock Kim

Chief People Officer

Officer
26,512 -17.9%
2.19
USD 58,061
26,512 -17.9% 2.19 USD 58,061
2024-03-12 2024-03-08 S Sale

BUSH WILLIAM JOHN

Chief Financial Officer

Officer
46,034 -11.8%
2.19
USD 100,814
46,034 -11.8% 2.19 USD 100,814
2024-03-12 2024-03-08 S Sale

Patel Prakesh

Chief Strategy Officer

Officer
35,902 -20.8%
2.19
USD 78,625
35,902 -20.8% 2.19 USD 78,625
2024-03-07 2024-03-05 PS Planned sale

Tappin Matthew

President, Asset Management

Officer
3,837 -5.4%
2.41
USD 9,247
3,837 -5.4% 2.41 USD 9,247
2024-03-05 2024-03-04 S Sale

BUSH WILLIAM JOHN

Chief Financial Officer

Officer
10,016 -2.5%
2.48
USD 24,840
10,016 -2.5% 2.48 USD 24,840
2024-03-05 2024-03-04 S Sale

Russo Alan

Chief Revenue Officer

Officer
7,153 -4.1%
2.48
USD 17,739
7,153 -4.1% 2.48 USD 17,739
2024-03-05 2024-03-04 S Sale

Johnson larsh

Chief Technology Officer

Officer
7,153 -4.4%
2.48
USD 17,739
7,153 -4.4% 2.48 USD 17,739
2024-03-05 2024-03-04 S Sale

Tappin Matthew

President, Asset Management

Officer
5,724 -7.5%
2.48
USD 14,196
5,724 -7.5% 2.48 USD 14,196
2024-03-05 2024-03-04 S Sale

Patel Prakesh

Chief Strategy Officer

Officer
7,153 -4.0%
2.48
USD 17,739
7,153 -4.0% 2.48 USD 17,739
2024-03-05 2024-03-04 S Sale

Shukla Rahul

Chief Accounting Officer

Officer
20,204 -32.9%
2.47
USD 49,904
20,204 -32.9% 2.47 USD 49,904
2024-03-05 2024-03-04 S Sale

Schaefer Robert

President, Transformational

Officer
5,945 -0.7%
2.48
USD 14,744
5,945 -0.7% 2.48 USD 14,744
2024-03-05 2024-03-04 S Sale

Carrington John Eugene

CEO and Director

Executive Director
9,885 -2.8%
2.48
USD 24,515
9,885 -2.8% 2.48 USD 24,515
2024-03-05 2024-03-04 S Sale

Laureles Saul R.

Chief Legal Officer

Officer
5,591 -3.1%
2.48
USD 13,866
5,591 -3.1% 2.48 USD 13,866
2024-02-27 2024-02-27 S Sale

Carrington John Eugene

CEO and Director

Executive Director
13,863 -9.1%
2.70
USD 37,430
13,863 -9.1% 2.70 USD 37,430
2024-02-26 2024-02-26 S Sale

Shukla Rahul

Chief Accounting Officer

Officer
8,244 -29.0%
2.65
USD 21,847
8,244 -29.0% 2.65 USD 21,847
2024-02-21 2024-02-20 PS Planned sale

Tappin Matthew

President, Asset Management

Officer
6,857 -37.5%
3.05
USD 20,914
6,857 -37.5% 3.05 USD 20,914
2024-02-20 2024-02-16 S Sale

BUSH WILLIAM JOHN

Chief Financial Officer

Officer
20,367 -6.9%
3.17
USD 64,563
20,367 -6.9% 3.17 USD 64,563
2024-02-20 2024-02-16 S Sale

Johnson larsh

Chief Technology Officer

Officer
12,117 -14.9%
3.17
USD 38,411
12,117 -14.9% 3.17 USD 38,411
2024-02-20 2024-02-16 S Sale

Russo Alan

Chief Revenue Officer

Officer
14,390 -8.3%
3.17
USD 45,616
14,390 -8.3% 3.17 USD 45,616
2024-02-20 2024-02-16 S Sale

Patel Prakesh

Chief Strategy Officer

Officer
14,389 -14.3%
3.17
USD 45,613
14,389 -14.3% 3.17 USD 45,613
2024-02-20 2024-02-16 S Sale

Schaefer Robert

President, Transformational

Officer
7,866 -1.0%
3.17
USD 24,935
7,866 -1.0% 3.17 USD 24,935
2024-02-20 2024-02-16 S Sale

Laureles Saul R.

Chief Legal Officer

Officer
10,959 -12.0%
3.17
USD 34,740
10,959 -12.0% 3.17 USD 34,740
2024-02-20 2024-02-16 S Sale

Carlson Michael James

Chief Operating Officer

Officer
9,952 -32.8%
3.17
USD 31,548
9,952 -32.8% 3.17 USD 31,548
2024-02-20 2024-02-16 S Sale

Tappin Matthew

President, Asset Management

Officer
10,602 -36.7%
3.17
USD 33,608
10,602 -36.7% 3.17 USD 33,608
2024-02-16 2024-02-14 PS Planned sale

Tappin Matthew

President, Asset Management

Officer
4,556 -50.0%
3.15
USD 14,351
4,556 -50.0% 3.15 USD 14,351
2024-01-30 2024-01-30 S Sale

Laureles Saul R.

Chief Legal Officer

Officer
9,893 -15.0%
3.23
USD 31,954
9,893 -15.0% 3.23 USD 31,954
2024-01-19 2024-01-19 S Sale

Shukla Rahul

Chief Accounting Officer

Officer
3,310 -28.0%
2.73
USD 9,036
3,310 -28.0% 2.73 USD 9,036
2024-01-03 2024-01-03 PS Planned sale

Tappin Matthew

President, Asset Management

Officer
5,207 -36.4%
3.56
USD 18,537
5,207 -36.4% 3.56 USD 18,537
2023-09-28 2023-09-27 S Sale

Carlson Michael James

Chief Operating Officer

Officer
1,822 -29.9%
4.18
USD 7,616
1,822 -29.9% 4.18 USD 7,616
2023-09-18 2023-09-15 B Purchase

BUZBY DAVID S

Non-Executive Director
62,000 +11.1%
4.82
USD 298,840
62,000 +11.1% 4.82 USD 298,840
2023-08-14 2023-08-10 S Sale

Russo Alan

Chief Revenue Officer

Officer
13,427 -8.8%
6.50
USD 87,276
13,427 -8.8% 6.50 USD 87,276
2023-06-20 2023-06-16 PS Planned sale

TROE LISA L

Non-Executive Director
6,150 -23.6%
6.40
USD 39,360
6,150 -23.6% 6.40 USD 39,360
2023-05-05 2023-05-01 S Sale

Laureles Saul R.

Chief Legal Officer

Officer
887 -2.7%
4.12
USD 3,654
887 -2.7% 4.12 USD 3,654
2023-05-05 2023-05-01 S Sale

BUSH WILLIAM JOHN

Chief Financial Officer

Officer
1,440 -0.6%
4.12
USD 5,933
1,440 -0.6% 4.12 USD 5,933
2023-05-05 2023-05-01 S Sale

Carrington John Eugene

CEO and Director

Executive Director
3,600 -3.0%
4.12
USD 14,832
3,600 -3.0% 4.12 USD 14,832
2023-05-03 2023-05-01 S Sale

Patel Prakesh

Chief Strategy Officer

Officer
1,260 -1.8%
4.12
USD 5,191
1,260 -1.8% 4.12 USD 5,191
2023-05-03 2023-05-01 S Sale

Johnson larsh

Chief Technology Officer

Officer
1,260 -2.3%
4.12
USD 5,191
1,260 -2.3% 4.12 USD 5,191
2023-05-03 2023-05-01 S Sale

Russo Alan

Chief Revenue Officer

Officer
1,553 -1.0%
4.12
USD 6,398
1,553 -1.0% 4.12 USD 6,398
2023-03-21 2023-03-20 S Sale

Carrington John Eugene

CEO and Director

Executive Director
13,216 -10.6%
6.33
USD 83,668
13,216 -10.6% 6.33 USD 83,668
2023-03-17 2023-03-15 S Sale

Schaefer Robert

President, Transformational

Officer
11,364 -1.5%
6.85
USD 77,843
11,364 -1.5% 6.85 USD 77,843
2023-03-16 2023-03-15 S Sale

Homenock Kim

Chief People Officer

Officer
27,063 -28.0%
6.72
USD 181,796
27,063 -28.0% 6.72 USD 181,796
2023-03-13 2023-03-09 S Sale

Schaefer Robert

President, Transformational

Officer
5,383 -0.7%
8.58
USD 46,187
5,383 -0.7% 8.58 USD 46,187
2023-03-03 2023-03-01 S Sale

Patel Prakesh

Chief Strategy Officer

Officer
6,888 -9.5%
8.10
USD 55,813
6,888 -9.5% 8.10 USD 55,813
2023-03-03 2023-03-01 S Sale

Russo Alan

Chief Revenue Officer

Officer
6,022 -3.9%
8.10
USD 48,796
6,022 -3.9% 8.10 USD 48,796
2023-03-03 2023-03-01 S Sale

BUSH WILLIAM JOHN

Chief Financial Officer

Officer
9,252 -3.6%
8.10
USD 74,968
9,252 -3.6% 8.10 USD 74,968
2023-03-03 2023-03-01 S Sale

Laureles Saul R.

Chief Legal Officer

Officer
5,311 -15.4%
8.10
USD 43,035
5,311 -15.4% 8.10 USD 43,035
2023-03-03 2023-03-01 S Sale

Johnson larsh

Chief Technology Officer

Officer
6,877 -11.8%
8.10
USD 55,724
6,877 -11.8% 8.10 USD 55,724
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