Stem, Inc. (STEM) Insider Ownership

Historic Insider Ownership Trends

STEM's three largest insider shareholders as of March 23, 2026 are Peak Sponsor Llc Star (TenPercentOwner, 9.51Mn shares), Eric J Scheyer (TenPercentOwner, 9.51Mn shares), Anil Tammineedi (Director, 4.29Mn shares).

Top Direct Holders

Insider ownership data is derived from the last 60 months of Form 4 SEC filings.
Holder Position Shares (Direct) Shares (Indirect) Report Date
Peak Sponsor Llc Star 9,509,626 0 30 Apr, 2021
Anil Tammineedi 0 4,289,849 09 Sep, 2022
Robert Schaefer President, Transformational 716,110 0 20 Mar, 2024
Mark William Triplett Chief Operating Officer 323,946 0 14 Apr, 2022
Anil Tammineedi 159,747 0 02 Jun, 2025
Laura D Tyson 159,747 0 02 Jun, 2025
Ira M Birns 134,420 0 02 Jun, 2025
Krishna Shivram 62,222 0 02 Jun, 2025
Jane Woodward 49,511 0 10 Jun, 2024
Lisa L Troe 19,872 0 20 Jun, 2023
Matthew Tappin President, Software Products 2,823 0 13 Mar, 2026

* Please note that the shares above only reflect shares from the fund portfolio and the institutional portfolio. Shares from the personal portfolio are excluded from this Institutional Ownership Page. See these insiders' latest transactions here on Insider Page.

Recent Insider Transactions

Detailed insider trading activity based on Form 4 SEC filings.
Download Data
Transaction Date Insider Name Security Class Transaction Type Shares Traded Price Shares Remaining Ownership Code
11 Mar, 2026 Matthew Tappin Common Stock, Par Value $0.0001 Per Share D 402 $10.83 2,823 D S
07 Mar, 2026 Matthew Tappin Common Stock, Par Value $0.0001 Per Share A 1,458 - 3,880 D M
10 Mar, 2026 Matthew Tappin Common Stock, Par Value $0.0001 Per Share D 655 $11.12 3,225 D S
07 Mar, 2026 Matthew Tappin Restricted Stock Unit D 1,458 $0.00 1,459 D M
03 Mar, 2026 Matthew Tappin Common Stock, Par Value $0.0001 Per Share D 300 $9.67 2,607 D S
04 Mar, 2026 Matthew Tappin Common Stock, Par Value $0.0001 Per Share D 185 $10.00 2,422 D S
01 Mar, 2026 Matthew Tappin Common Stock, Par Value $0.0001 Per Share A 670 - 2,907 D M
26 Feb, 2026 Matthew Tappin Restricted Stock Unit A 25,800 $0.00 25,800 D A
26 Feb, 2026 Matthew Tappin Performance Stock Unit A 17,200 $0.00 17,200 D A
01 Mar, 2026 Matthew Tappin Restricted Stock Unit D 670 $0.00 0 D M
20 Feb, 2026 Matthew Tappin Common Stock, Par Value $0.0001 Per Share D 366 $11.40 2,237 D S
19 Feb, 2026 Matthew Tappin Common Stock, Par Value $0.0001 Per Share D 522 $11.30 2,603 D F
15 Feb, 2026 Matthew Tappin Common Stock, Par Value $0.0001 Per Share A 1,253 - 3,125 D M
15 Feb, 2026 Matthew Tappin Restricted Stock Unit D 1,253 $0.00 0 D M
11 Nov, 2025 Matthew Tappin Common Stock, Par Value $0.0001 Per Share D 9,584 $17.70 1,872 D S
18 Nov, 2025 Rahul Shukla Common Stock, Par Value $0.0001 Per Share D 3,674 $16.21 0 D S
07 Nov, 2025 Rahul Shukla Common Stock, Par Value $0.0001 Per Share A 5,750 - 5,750 D M
07 Nov, 2025 Matthew Tappin Common Stock, Par Value $0.0001 Per Share A 15,000 - 16,872 D M
10 Nov, 2025 Rahul Shukla Common Stock, Par Value $0.0001 Per Share D 2,076 $18.27 3,674 D F
10 Nov, 2025 Matthew Tappin Common Stock, Par Value $0.0001 Per Share D 5,416 $18.27 11,456 D F