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Total declarations
Company
▲ Purchases (0 ops.)
▼ Sales (18 ops.)
Latest filing published 13 Mar 2026 for STEM, INC., €3,750.
Filing timeline
BuySaleMatthew Tappin
Insider track record
Disclosed buys
0
Disclosed sells
18
Signal history
Matthew Tappin: trading record in brief
This profile gathers the share dealings of Matthew Tappin in Stem, Inc., where the filings describe the role as chief executive. Between 31 December 2023 and 11 March 2026, the trades on record add up to 32 filings.
Every open-market trade on record is a sale: 18 sales worth €376k. Other entries cover 2 share grants and 12 option exercises. In 2026 alone, the filings show no purchases and 3 sales.
The newest entry dates from 13 March 2026: an open-market sale of €3,750, in Stem, Inc. Between a trade and the moment it shows up on SEC (Form 4), the median delay is 3 days. US insiders must file a Form 4 within two business days of a trade. Keep in mind that insiders sell for many reasons unrelated to the outlook, from tax bills to estate planning. Every figure here comes from the filings published by SEC (Form 4) and describes the past, not future prices; it is not investment advice.
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Declarations32 total
402 shares@ US$10.830.0079% mcap1.1% of flowCommon Stock, Par Value $0.0001 Per ShareSEC:0001758766-26-000027:0
1,458 sharesCommon Stock, Par Value $0.0001 Per ShareSEC:0001986259-26-000012:0
300 shares@ US$9.670.8% of flowCommon Stock, Par Value $0.0001 Per ShareSEC:0001986259-26-000010:0
670 sharesCommon Stock, Par Value $0.0001 Per ShareSEC:0001986259-26-000008:0
366 shares@ US$11.401.1% of flowCommon Stock, Par Value $0.0001 Per ShareSEC:0001986259-26-000006:0
522 shares@ US$11.301.5% of flowCommon Stock, Par Value $0.0001 Per ShareSEC:0001986259-26-000004:0
1,253 sharesCommon Stock, Par Value $0.0001 Per ShareSEC:0001986259-26-000002:0
9,584 shares@ US$17.7044.9% of flowCommon Stock, Par Value $0.0001 Per ShareSEC:0001986259-25-000007:0
15,000 sharesCommon Stock, Par Value $0.0001 Per ShareSEC:0001986259-25-000005:0
1,164 shares@ US$0.451Common Stock, Par Value $0.0001 Per ShareSEC:0000950170-25-088043:1
20,823 shares@ US$0.45Common Stock, Par Value $0.0001 Per ShareSEC:0000950170-25-088043:2
2,775 shares0Common Stock, Par Value $0.0001 Per ShareSEC:0000950170-25-088043:0
5,645 shares@ US$0.419Common Stock, Par Value $0.0001 Per ShareSEC:0000950170-25-040338:1
29,167 shares0Common Stock, Par Value $0.0001 Per ShareSEC:0000950170-25-040338:2
13,070 shares@ US$0.404Common Stock, Par Value $0.0001 Per ShareSEC:0000950170-25-040338:3
13,397 shares0Common Stock, Par Value $0.0001 Per ShareSEC:0000950170-25-040338:0
8,130 shares@ US$0.6267Common Stock, Par Value $0.0001 Per ShareSEC:0000950170-25-025173:1
24,316 shares0Common Stock, Par Value $0.0001 Per ShareSEC:0000950170-25-025173:0
1,388 shares@ US$1.320.5% of flowCommon Stock, Par Value $0.0001 Per ShareSEC:0001758766-24-000118:0
2,775 shares0Common Stock, Par Value $0.0001 Per ShareSEC:0001758766-24-000093:0
26,640 shares@ US$1.8213.6% of flowCommon Stock, Par Value $0.0001 Per ShareSEC:0001758766-24-000059:0
24,899 shares@ US$2.1915.2% of flowCommon Stock, Par Value $0.0001 Per ShareSEC:0001758766-24-000044:0
3,837 shares@ US$2.412.6% of flowCommon Stock, Par Value $0.0001 Per ShareSEC:0001758766-24-000043:0
51,539 shares0Common Stock, Par Value $0.0001 Per ShareSEC:0001758766-24-000041:1
5,724 shares@ US$2.48Common Stock, Par Value $0.0001 Per ShareSEC:0001758766-24-000041:2
25 of 32 declarations
