Stock chart
Ticker: BASE Exchange: NSM


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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
2025-04-03 2025-04-01 PS Planned sale

Carpenter Carol W.

Non-Executive Director
900 -4.5%
15.76
USD 14,184
900 -4.5% 15.76 USD 14,184
2025-04-01 2025-03-28 PS Planned sale

Owen Huw

SVP & Chief Revenue Officer

Officer
15,938 -3.6%
15.43
USD 245,847
15,938 -3.6% 15.43 USD 245,847
2025-03-24 2025-03-20 PS Planned sale

Chow Margaret

SVP & Chief Legal Officer

Officer
12,915 -5.9%
14.00
USD 180,810
12,915 -5.9% 14.00 USD 180,810
2025-03-05 2025-03-03 PS Planned sale

Chow Margaret

SVP & Chief Legal Officer

Officer
10,082 -4.3%
17.48
USD 176,278
10,082 -4.3% 17.48 USD 176,278
2025-03-05 2025-03-03 PS Planned sale

Carpenter Carol W.

Non-Executive Director
900 -4.3%
17.65
USD 15,885
900 -4.3% 17.65 USD 15,885
2025-02-05 2025-02-04 PS Planned sale

Chow Margaret

SVP & Chief Legal Officer

Officer
15,000 -10.1%
18.31
USD 274,647
15,000 -10.1% 18.31 USD 274,647
2025-02-05 2025-02-03 PS Planned sale

Henry Gregory N

SVP & Chief Financial Officer

Officer
9,820 -3.1%
17.62
USD 173,044
9,820 -3.1% 17.62 USD 173,044
2025-02-05 2025-02-03 PS Planned sale

Chow Margaret

SVP & Chief Legal Officer

Officer
15,254 -10.3%
17.62
USD 268,835
15,254 -10.3% 17.62 USD 268,835
2025-02-05 2025-02-03 PS Planned sale

Carpenter Carol W.

Non-Executive Director
900 -4.1%
17.30
USD 15,570
900 -4.1% 17.30 USD 15,570
2025-01-28 2025-01-24 PS Planned sale

Owen Huw

SVP & Chief Revenue Officer

Officer
14,742 -4.5%
18.05
USD 266,137
14,742 -4.5% 18.05 USD 266,137
2025-01-08 2025-01-06 PS Planned sale

Owen Huw

SVP & Chief Revenue Officer

Officer
2,993 -0.9%
16.02
USD 47,960
2,993 -0.9% 16.02 USD 47,960
2025-01-06 2025-01-02 PS Planned sale

Carpenter Carol W.

Non-Executive Director
900 -4.0%
15.50
USD 13,948
900 -4.0% 15.50 USD 13,948
2025-01-06 2025-01-02 PS Planned sale

Owen Huw

SVP & Chief Revenue Officer

Officer
12,723 -3.7%
15.52
USD 197,410
12,723 -3.7% 15.52 USD 197,410
2025-01-06 2025-01-02 PS Planned sale

Henry Gregory N

SVP & Chief Financial Officer

Officer
22,304 -6.6%
15.50
USD 345,672
22,304 -6.6% 15.50 USD 345,672
2025-01-06 2025-01-02 PS Planned sale

Chow Margaret

SVP & Chief Legal Officer

Officer
20,570 -12.2%
15.52
USD 319,156
20,570 -12.2% 15.52 USD 319,156
2024-12-26 2024-12-23 PS Planned sale

Owen Huw

SVP & Chief Revenue Officer

Officer
7,575 -2.2%
15.22
USD 115,255
7,575 -2.2% 15.22 USD 115,255
2024-12-26 2024-12-20 PS Planned sale

Henry Gregory N

SVP & Chief Financial Officer

Officer
3,853 -1.1%
15.14
USD 58,334
3,853 -1.1% 15.14 USD 58,334
2024-12-04 2024-12-02 PS Planned sale

Carpenter Carol W.

Non-Executive Director
900 -3.8%
20.50
USD 18,450
900 -3.8% 20.50 USD 18,450
2024-12-04 2024-12-02 PS Planned sale

Epstein Jeff

Non-Executive Director
10,000 -26.3%
20.63
USD 206,257
10,000 -26.3% 20.63 USD 206,257
2024-11-21 2024-11-19 PS Planned sale

Owen Huw

SVP & Chief Revenue Officer

Officer
1,815 -0.5%
20.02
USD 36,329
1,815 -0.5% 20.02 USD 36,329
2024-11-21 2024-11-19 PS Planned sale

Epstein Jeff

Non-Executive Director
32,343 -53.6%
20.08
USD 649,583
32,343 -53.6% 20.08 USD 649,583
2024-11-21 2024-11-19 PS Planned sale

Cain Matthew M

Chair, President, and CEO

Executive Director
38,097 -5.2%
20.07
USD 764,584
38,097 -5.2% 20.07 USD 764,584
2024-11-21 2024-11-19 PS Planned sale

Chow Margaret

SVP & Chief Legal Officer

Officer
205 -0.1%
20.00
USD 4,100
205 -0.1% 20.00 USD 4,100
2024-11-15 2024-11-13 PS Planned sale

Cain Matthew M

Chair, President, and CEO

Executive Director
6,984 -0.9%
20.02
USD 139,810
6,984 -0.9% 20.02 USD 139,810
2024-11-15 2024-11-13 PS Planned sale

Owen Huw

SVP & Chief Revenue Officer

Officer
2,102 -0.6%
20.01
USD 42,069
2,102 -0.6% 20.01 USD 42,069
2024-11-15 2024-11-13 PS Planned sale

Chow Margaret

SVP & Chief Legal Officer

Officer
2,087 -1.1%
20.02
USD 41,775
2,087 -1.1% 20.02 USD 41,775
2024-11-15 2024-11-13 PS Planned sale

Epstein Jeff

Non-Executive Director
7,657 -21.5%
20.02
USD 153,271
7,657 -21.5% 20.02 USD 153,271
2024-11-12 2024-11-07 PS Planned sale

Carey William Robert

Chief Accounting Officer

Officer
912 -1.2%
18.00
USD 16,416
912 -1.2% 18.00 USD 16,416
2024-11-05 2024-11-01 PS Planned sale

Carpenter Carol W.

Non-Executive Director
900 -3.7%
16.18
USD 14,562
900 -3.7% 16.18 USD 14,562
2024-10-03 2024-10-01 PS Planned sale

Carpenter Carol W.

Non-Executive Director
900 -3.6%
16.00
USD 14,400
900 -3.6% 16.00 USD 14,400
2024-09-30 2024-09-27 PS Planned sale

Owen Huw

SVP & Chief Revenue Officer

Officer
6,736 -1.8%
15.07
USD 101,544
6,736 -1.8% 15.07 USD 101,544
2024-09-30 2024-09-27 PS Planned sale

Henry Gregory N

SVP & Chief Financial Officer

Officer
2,908 -0.8%
15.01
USD 43,661
2,908 -0.8% 15.01 USD 43,661
2024-09-30 2024-09-26 PS Planned sale

Owen Huw

SVP & Chief Revenue Officer

Officer
1,100 -0.3%
15.00
USD 16,501
1,100 -0.3% 15.00 USD 16,501
2024-09-30 2024-09-26 PS Planned sale

Henry Gregory N

SVP & Chief Financial Officer

Officer
1,100 -0.3%
15.00
USD 16,501
1,100 -0.3% 15.00 USD 16,501
2024-09-23 2024-09-19 B Purchase

ANDERSON EDWARD T

Non-Executive Director
21,080 +32.5%
14.16
USD 298,484
21,080 +32.5% 14.16 USD 298,484
2024-09-05 2024-09-03 PS Planned sale

Carpenter Carol W.

Non-Executive Director
900 -3.4%
19.28
USD 17,352
900 -3.4% 19.28 USD 17,352
2024-08-05 2024-08-01 PS Planned sale

Carpenter Carol W.

Non-Executive Director
900 -3.3%
19.06
USD 17,154
900 -3.3% 19.06 USD 17,154
2024-07-29 2024-07-26 PS Planned sale

Epstein Jeff

Non-Executive Director
7,277 -20.6%
20.10
USD 146,265
7,277 -20.6% 20.10 USD 146,265
2024-07-29 2024-07-25 PS Planned sale

Epstein Jeff

Non-Executive Director
12,723 -31.2%
20.01
USD 254,625
12,723 -31.2% 20.01 USD 254,625
2024-07-29 2024-07-25 PS Planned sale

Cain Matthew M

Chair, President, and CEO

Executive Director
8,953 -1.1%
20.01
USD 179,147
8,953 -1.1% 20.01 USD 179,147
2024-07-29 2024-07-25 PS Planned sale

Chow Margaret

SVP & Chief Legal Officer

Officer
2,290 -1.2%
20.00
USD 45,804
2,290 -1.2% 20.00 USD 45,804
2024-07-29 2024-07-25 PS Planned sale

Owen Huw

SVP & Chief Revenue Officer

Officer
3,895 -1.0%
20.01
USD 77,943
3,895 -1.0% 20.01 USD 77,943
2024-07-10 2024-07-08 PS Planned sale

Carpenter Carol W.

Non-Executive Director
900 -3.2%
18.19
USD 16,371
900 -3.2% 18.19 USD 16,371
2024-06-24 2024-06-24 PS Planned sale

Owen Huw

SVP & Chief Revenue Officer

Officer
7,792 -1.9%
16.84
USD 131,206
7,792 -1.9% 16.84 USD 131,206
2024-06-24 2024-06-20 PS Planned sale

Owen Huw

SVP & Chief Revenue Officer

Officer
2,993 -0.7%
16.53
USD 49,484
2,993 -0.7% 16.53 USD 49,484
2024-06-24 2024-06-20 PS Planned sale

Henry Gregory N

SVP & Chief Financial Officer

Officer
3,982 -1.0%
16.52
USD 65,795
3,982 -1.0% 16.52 USD 65,795
2024-06-05 2024-06-03 PS Planned sale

Cain Matthew M

Chair, President, and CEO

Executive Director
5,351 -0.6%
22.74
USD 121,659
5,351 -0.6% 22.74 USD 121,659
2024-06-05 2024-06-03 PS Planned sale

Cain Matthew M

Chair, President, and CEO

Executive Director
12,750 -1.5%
21.77
USD 277,538
12,750 -1.5% 21.77 USD 277,538
2024-05-31 2024-05-29 PS Planned sale

Christensen Lynn M

Non-Executive Director
9,874 -88.9%
25.76
USD 254,396
9,874 -88.9% 25.76 USD 254,396
2024-05-21 2024-05-20 PS Planned sale

Chow Margaret

SVP & Chief Legal Officer

Officer
1,066 -0.5%
27.50
USD 29,315
1,066 -0.5% 27.50 USD 29,315
2024-05-21 2024-05-17 PS Planned sale

Chow Margaret

SVP & Chief Legal Officer

Officer
3,934 -1.8%
27.53
USD 108,307
3,934 -1.8% 27.53 USD 108,307
2024-05-17 2024-05-15 PS Planned sale

Cain Matthew M

Chair, President, and CEO

Executive Director
10,053 -1.1%
26.58
USD 267,174
10,053 -1.1% 26.58 USD 267,174
2024-04-17 2024-04-15 PS Planned sale

Cain Matthew M

Chair, President, and CEO

Executive Director
100 -0.0%
24.72
USD 2,472
100 -0.0% 24.72 USD 2,472
2024-04-17 2024-04-15 PS Planned sale

Cain Matthew M

Chair, President, and CEO

Executive Director
9,953 -1.1%
24.15
USD 240,343
9,953 -1.1% 24.15 USD 240,343
2024-04-03 2024-04-01 PS Planned sale

Chow Margaret

SVP & Chief Legal Officer

Officer
1,040 -0.5%
26.10
USD 27,144
1,040 -0.5% 26.10 USD 27,144
2024-04-03 2024-04-01 PS Planned sale

Chow Margaret

SVP & Chief Legal Officer

Officer
1,960 -0.9%
26.07
USD 51,101
1,960 -0.9% 26.07 USD 51,101
2024-04-03 2024-04-01 PS Planned sale

Chow Margaret

SVP & Chief Legal Officer

Officer
248 -0.1%
26.31
USD 6,525
248 -0.1% 26.31 USD 6,525
2024-04-03 2024-04-01 PS Planned sale

Chow Margaret

SVP & Chief Legal Officer

Officer
2,277 -1.1%
26.31
USD 59,908
2,277 -1.1% 26.31 USD 59,908
2024-03-26 2024-03-22 PS Planned sale

Owen Huw

SVP & Chief Revenue Officer

Officer
11,581 -2.6%
26.79
USD 310,201
11,581 -2.6% 26.79 USD 310,201
2024-03-25 2024-03-21 PS Planned sale

Henry Gregory N

SVP & Chief Financial Officer

Officer
18,747 -5.4%
27.84
USD 521,858
18,747 -5.4% 27.84 USD 521,858
2024-03-25 2024-03-21 PS Planned sale

Carey William Robert

Chief Accounting Officer

Officer
4,431 -8.4%
27.90
USD 123,647
4,431 -8.4% 27.90 USD 123,647
2024-03-20 2024-03-18 PS Planned sale

Carey William Robert

Chief Accounting Officer

Officer
416 -0.8%
27.20
USD 11,315
416 -0.8% 27.20 USD 11,315
2024-03-08 2024-03-06 PS Planned sale

Owen Huw

SVP & Chief Revenue Officer

Officer
13,605 -2.8%
30.33
USD 412,671
13,605 -2.8% 30.33 USD 412,671
2024-03-08 2024-03-06 PS Planned sale

Chow Margaret

SVP & Chief Legal Officer

Officer
10,000 -4.4%
30.53
USD 305,279
10,000 -4.4% 30.53 USD 305,279
2024-02-06 2024-02-05 PS Planned sale

Chow Margaret

SVP & Chief Legal Officer

Officer
380 -0.2%
27.50
USD 10,450
380 -0.2% 27.50 USD 10,450
2024-02-06 2024-02-02 PS Planned sale

Chow Margaret

SVP & Chief Legal Officer

Officer
4,620 -2.8%
27.50
USD 127,073
4,620 -2.8% 27.50 USD 127,073
2024-02-05 2024-02-01 PS Planned sale

Cain Matthew M

Chair, President, and CEO

Executive Director
18,101 -2.8%
25.72
USD 465,585
18,101 -2.8% 25.72 USD 465,585
2024-01-29 2024-01-25 PS Planned sale

Owen Huw

SVP & Chief Revenue Officer

Officer
1,376 -0.4%
25.00
USD 34,405
1,376 -0.4% 25.00 USD 34,405
2024-01-25 2024-01-24 PS Planned sale

Owen Huw

SVP & Chief Revenue Officer

Officer
18,124 -4.5%
25.02
USD 453,433
18,124 -4.5% 25.02 USD 453,433
2024-01-25 2024-01-23 PS Planned sale

Owen Huw

SVP & Chief Revenue Officer

Officer
3,500 -0.9%
25.00
USD 87,504
3,500 -0.9% 25.00 USD 87,504
2024-01-25 2024-01-23 PS Planned sale

Chow Margaret

SVP & Chief Legal Officer

Officer
3,000 -1.8%
25.00
USD 75,004
3,000 -1.8% 25.00 USD 75,004
2024-01-08 2024-01-04 PS Planned sale

Christensen Lynn M

Non-Executive Director
14,532 -57.4%
20.52
USD 298,163
14,532 -57.4% 20.52 USD 298,163
2024-01-05 2024-01-03 PS Planned sale

Henry Gregory N

SVP & Chief Financial Officer

Officer
36,551 -9.2%
20.73
USD 757,527
36,551 -9.2% 20.73 USD 757,527
2024-01-04 2024-01-03 PS Planned sale

Owen Huw

SVP & Chief Revenue Officer

Officer
10,133 -2.6%
20.71
USD 209,836
10,133 -2.6% 20.71 USD 209,836
2024-01-04 2024-01-02 PS Planned sale

Chow Margaret

SVP & Chief Legal Officer

Officer
2,360 -1.4%
21.35
USD 50,391
2,360 -1.4% 21.35 USD 50,391
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