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Tappin Matthew

Track

Insider profile

Performance

Overall performance
3.7
Performance over holding periods
3.7
30 days 90 days 120 days
Average return -2% 8.2% 15.1%
Success rate 52% 68% 82%
Transactions
13 0% Buy
34 71% Buy
47 69% Buy
Ranking by holding-period performance
Tappin Matthew's trades of Stem Inc's stock


Subscribe to get access to the transaction volume chart and in-chart transaction details
• Purchase • Sale • Planned purchase • Planned sale Net purchase Net sale Activity signal Earnings
Abbreviations B: Buy, S: Sell, PP: Planned purchase, PlS: Planned sale, PrS: Proposed sale, O: Option / Other
Notification date Transaction date Company B/S Transaction type Nb. shares
Price
Value 		Number of shares Price Value Details
2026-03-13 2026-03-11
US Stem Inc (STEM)
PlS Planned sale
23,050 -44.0%
204.85
US$569,704 		23,050 -44.0% 204.85 US$569,704
2026-03-11 2026-03-11
US Stem Inc (STEM)
PrS Proposed sale
85,183
392.79
US$4,785,496 		85,183 392.79 US$4,785,496
2026-03-10 2026-03-10
US Stem Inc (STEM)
PrS Proposed sale
19,362
271.05
US$3,033,636 		19,362 271.05 US$3,033,636
2026-03-10 2026-03-10
US Stem Inc (STEM)
S Sale
655 -16.9%
11.12
US$7,284 		655 -16.9% 11.12 US$7,284
2026-03-04 2026-03-04
US Stem Inc (STEM)
S Sale
185 -7.1%
10.00
US$1,850 		185 -7.1% 10.00 US$1,850
2026-03-04 2026-03-04
US Stem Inc (STEM)
PrS Proposed sale
185
10.00
US$1,850 		185 10.00 US$1,850
2026-03-04 2026-03-03
US Stem Inc (STEM)
S Sale
300 -10.3%
9.67
US$2,901 		300 -10.3% 9.67 US$2,901
2026-03-03 2026-03-03
US Stem Inc (STEM)
PrS Proposed sale
300
9.67
US$2,901 		300 9.67 US$2,901
2026-02-23 2026-02-20
US Stem Inc (STEM)
S Sale
366 -14.1%
11.40
US$4,172 		366 -14.1% 11.40 US$4,172
2026-02-20 2026-02-20
US Stem Inc (STEM)
PrS Proposed sale
366
11.40
US$4,172 		366 11.40 US$4,172
2026-02-19 2026-02-19
US Stem Inc (STEM)
PrS Proposed sale
522
11.20
US$5,848 		522 11.20 US$5,848
2025-11-24 2025-11-11
US Stem Inc (STEM)
S Sale
9,584 -83.7%
17.70
US$169,637 		9,584 -83.7% 17.70 US$169,637
2025-11-12 2025-11-11
US Stem Inc (STEM)
PrS Proposed sale
9,584
17.70
US$169,637 		9,584 17.70 US$169,637
2025-11-10 2025-11-10
US Stem Inc (STEM)
PrS Proposed sale
5,416
18.28
US$98,986 		5,416 18.28 US$98,986
2025-06-18 2025-06-16
US Stem Inc (STEM)
PlS Planned sale
20,823 -35.7%
0.45
US$9,370 		20,823 -35.7% 0.45 US$9,370
2025-06-16 2025-06-16
US Stem Inc (STEM)
PrS Proposed sale
20,823
0.45
US$9,370 		20,823 0.45 US$9,370
2025-06-18 2025-05-30
US Stem Inc (STEM)
S Sale
1,164 -2.0%
0.45
US$525 		1,164 -2.0% 0.45 US$525
2025-05-30 2025-05-30
US Stem Inc (STEM)
PrS Proposed sale
1,164
0.45
US$525 		1,164 0.45 US$525
2025-03-17 2025-03-12
US Stem Inc (STEM)
S Sale
13,070 -18.7%
0.40
US$5,280 		13,070 -18.7% 0.40 US$5,280
2025-03-12 2025-03-12
US Stem Inc (STEM)
PrS Proposed sale
13,070
0.40
US$5,286 		13,070 0.40 US$5,286
2025-03-17 2025-03-07
US Stem Inc (STEM)
S Sale
5,645 -12.2%
0.42
US$2,365 		5,645 -12.2% 0.42 US$2,365
2025-03-07 2025-03-07
US Stem Inc (STEM)
PrS Proposed sale
5,645
0.42
US$2,364 		5,645 0.42 US$2,364
2025-02-21 2025-02-20
US Stem Inc (STEM)
S Sale
8,130 -19.9%
0.63
US$5,095 		8,130 -19.9% 0.63 US$5,095
2025-02-20 2025-02-20
US Stem Inc (STEM)
PrS Proposed sale
8,130
0.63
US$5,095 		8,130 0.63 US$5,095
2024-05-30 2024-05-28
US Stem Inc (STEM)
PlS Planned sale
1,388 -7.7%
1.32
US$1,832 		1,388 -7.7% 1.32 US$1,832
2024-05-28 2024-05-28
US Stem Inc (STEM)
PrS Proposed sale
1,388
1.32
US$1,832 		1,388 1.32 US$1,832
2024-03-20 2024-03-19
US Stem Inc (STEM)
S Sale
26,640 -63.6%
1.82
US$48,485 		26,640 -63.6% 1.82 US$48,485
2024-03-19 2024-03-19
US Stem Inc (STEM)
PrS Proposed sale
26,640
1.82
US$48,485 		26,640 1.82 US$48,485
2024-03-12 2024-03-08
US Stem Inc (STEM)
S Sale
24,899 -37.3%
2.19
US$54,529 		24,899 -37.3% 2.19 US$54,529
2024-03-08 2024-03-08
US Stem Inc (STEM)
PrS Proposed sale
24,899
2.19
US$54,606 		24,899 2.19 US$54,606
2024-03-07 2024-03-05
US Stem Inc (STEM)
PlS Planned sale
3,837 -5.4%
2.41
US$9,247 		3,837 -5.4% 2.41 US$9,247
2024-03-05 2024-03-05
US Stem Inc (STEM)
PrS Proposed sale
3,837
2.41
US$9,247 		3,837 2.41 US$9,247
2024-03-05 2024-03-04
US Stem Inc (STEM)
S Sale
5,724 -7.5%
2.48
US$14,196 		5,724 -7.5% 2.48 US$14,196
2024-03-04 2024-03-04
US Stem Inc (STEM)
PrS Proposed sale
5,724
2.48
US$14,169 		5,724 2.48 US$14,169
2024-02-21 2024-02-20
US Stem Inc (STEM)
PlS Planned sale
6,857 -37.5%
3.05
US$20,914 		6,857 -37.5% 3.05 US$20,914
2024-02-20 2024-02-20
US Stem Inc (STEM)
PrS Proposed sale
6,857
3.05
US$20,914 		6,857 3.05 US$20,914
2024-02-20 2024-02-16
US Stem Inc (STEM)
S Sale
10,602 -36.7%
3.17
US$33,608 		10,602 -36.7% 3.17 US$33,608
2024-02-16 2024-02-16
US Stem Inc (STEM)
PrS Proposed sale
10,602
3.17
US$33,581 		10,602 3.17 US$33,581
2024-02-16 2024-02-14
US Stem Inc (STEM)
PlS Planned sale
4,556 -50.0%
3.15
US$14,351 		4,556 -50.0% 3.15 US$14,351
2024-02-14 2024-02-14
US Stem Inc (STEM)
PrS Proposed sale
4,556
3.15
US$14,351 		4,556 3.15 US$14,351
2024-01-03 2024-01-03
US Stem Inc (STEM)
PrS Proposed sale
5,207
3.56
US$18,523 		5,207 3.56 US$18,523
2024-01-03 2024-01-03
US Stem Inc (STEM)
PlS Planned sale
5,207 -36.4%
3.56
US$18,537 		5,207 -36.4% 3.56 US$18,537