Span.IO, Inc.
Smart electrical panels with real-time energy monitoring and power management control
- Sector
- Energy
- Headquarters
- SAN FRANCISCO, CA
- Founded
- 2018
- Latest Form D
- $163M, Jan 2026
- Total capital
- $374M
- Federal grants
- None on recordNo awards found in SBIR/STTR, NIH, NSF or DoD records.
- Private capital raised
- $374M
- 7 Form D · last Jan 2026
- 9 months since last filing
- Federal contracts
- None on recordNo federal contract awards found.
- Granted patents
- 11
- 29 pending · first 2022
- Rank in peer group#18 of 151
Capital timeline
Latest events
- Private capital raisedForm D · SEC · 7th filing$163M
- Private capital raisedForm D · SEC · 6th filing$25M
- Private capital raisedForm D · SEC · 5th filing$84M
- Private capital raisedForm D · SEC · 4th filing$68.3M
- Private capital raisedForm D · SEC · 3rd filing$20M
- Private capital raisedForm D · SEC · 2nd filing$10.2M
- Private capital raisedForm D · SEC · 1st filing$3M
Node area is scaled to amount. Form D reports securities sold, which can differ from an announced round; filings are numbered in the order they were made.
Standing among 151 peers
Line = medianEnergy · Device
- Granted patents#18 · top 12%
Cumulative measures favor older companies. Rankings describe position today, not outcome. Below the median, ranks show as a band rather than a number.
Founders and team
From SEC Form D filings- Abe YokellDirectorNamed in SEC Form D filings
- Anastasia IstratovaDirectorNamed in SEC Form D filings
- Archan RaoExecutive Officer, DirectorNamed in SEC Form D filings
- Audrey ZibelmanDirectorNamed in SEC Form D filings
- Catherine ZoiDirectorNamed in SEC Form D filings
- Dipender SalujaDirectorNamed in SEC Form D filings
Show all 15 people
- Douglas BoomsExecutive OfficerNamed in SEC Form D filings
- Greg WassermanDirectorNamed in SEC Form D filings
- Mary Grace PowellDirectorNamed in SEC Form D filings
- Matthew McElhattanDirectorNamed in SEC Form D filings
- Murray McCaigDirectorNamed in SEC Form D filings
- Paul StraubDirectorNamed in SEC Form D filings
- Ryan HarrisExecutive OfficerNamed in SEC Form D filings
- S. Gregory SmithiesDirectorNamed in SEC Form D filings
- Timur DavisDirectorNamed in SEC Form D filings
What it has protected
USPTO · 11 granted of 40- PendingArc Fault (AFCI) and Ground Fault (GFCI) Detection and Interruption Implemented in a Branch Module for a Modular Electrical PanelUSPTOApplication 19546282
- GrantedProtection Architecture For An Electrical PanelUSPTOUS 12,712,356
- PendingIntegrated Electrical PanelUSPTOApplication 19034062
Show all 40 patent records
- Arc Fault (AFCI) and Ground Fault (GFCI) Detection and Interruption Implemented in a Branch Module for a Modular Electrical PanelSep 3, 2026 · Application 19546282Pending
- Protection Architecture For An Electrical PanelAug 18, 2026 · US 12,712,356Granted
- Integrated Electrical PanelJul 23, 2026 · Application 19034062Pending
- Electrical Panelboard With Arc Fault ProtectionJul 9, 2026 · Application 19557605Pending
- Solid State Power AdapterJun 18, 2026 · Application 18983248Pending
- Electrical Panelboard With Integrated Arc Fault ProtectionMar 31, 2026 · US 12,592,558Granted
- Systems And Methods For Managing Electrical LoadsMar 17, 2026 · US 12,580,414Granted
- Integrated Home Energy Management, Home Monitoring, And Automated Fault MitigationMar 12, 2026 · Application 19310607Pending
- Distributed Data CentersFeb 26, 2026 · Application 18815368Pending
- Integrated Electrical Management System And ArchitectureJan 1, 2026 · Application 19320366Pending
- Smart Panel Adapter For Connecting A Smart Panel To An Electrical Meter SocketNov 6, 2025 · Application 19266386Pending
- Integrated Electrical Management System And ArchitectureSep 30, 2025 · US 12,431,702Granted
- Integrated Home Energy Management, Home Monitoring, And Automated Fault MitigationSep 23, 2025 · US 12,425,262Granted
- Multilayer Control For Managing Power FlowAug 21, 2025 · Application 19203566Pending
- Multilayer Control For Managing Power FlowJun 3, 2025 · US 12,322,963Granted
- Electrical Module of Modular Electrical PanelboardMar 20, 2025 · Application 18886812Pending
- Modular Electrical PanelboardMar 20, 2025 · Application 18586362Pending
- Modular Architecture For Managing Site-level Electrical Power DistributionMar 13, 2025 · Application 18586365Pending
- Integrated Electrical PanelFeb 25, 2025 · US 12,237,689Granted
- Electrical Panelboard With Arc Fault Protection And User InterfaceOct 24, 2024 · Application 18639819Pending
- Integrated Electrical Management System And ArchitectureAug 13, 2024 · US 12,062,901Granted
- Protection Architecture For An Electrical PanelAug 8, 2024 · Application 18609765Pending
- Integrated Electrical PanelSep 26, 2023 · US 11,770,006Granted
- Integrated Home Energy Management And Electrical Load-based Electric Vehicle ChargingApr 20, 2023 · Application 17966657Pending
- Systems And Methods For Managing Electrical LoadsJan 10, 2023 · US 11,552,500Granted
- Integrated Electrical PanelMay 24, 2022 · US 11,342,754Granted
- Protection Architecture For An Electrical PanelApplication 63483523Pending
- Modular Architecture For Managing Site-level Electrical Power DistributionApplication PCTUS2024030408Pending
- Electrical Module Of Modular Electrical PanelboardApplication PCTUS2024046929Pending
- Integrated Home Energy Management And Electric Vehicle ChargingApplication PCTUS2022046786Pending
- Integrated Home Energy Management, Home Monitoring, And Automated Fault MitigationApplication PCTUS2022046788Pending
- Distributed Data CentersApplication PCTUS2025041891Pending
- Multilayer Control For Managing Power FlowApplication PCTUS2022011646Pending
- Integrated Home Energy Management, Home Monitoring, And Automated Fault MitigationApplication 63256403Pending
- Integrated Home Energy Management and Electric Vehicle ChargingApplication 63256304Pending
- Multilayer Control For Managing Power FlowApplication 63134659Pending
- Systems And Methods For Managing Electrical LoadsApplication PCTUS2020051276Pending
- Systems And Methods For Managing Electrical LoadsApplication 62901746Pending
- Integrated Electrical SystemApplication 62804457Pending
- Integrated Electrical Management System And ArchitectureApplication 62741428Pending
Related companies, and why
- NHU ENERGY, INC.Similar federal contract value in Energy · null in contracts
- SAVD Solar, Inc.Similar federal contract value in Energy · null in contracts
- VEIR, Inc.Similar federal contract value in Energy · null in contracts
- ZAP ENERGY, INC.Similar federal contract value in Energy · null in contracts
- Ample, Inc.Similar federal contract value in Energy · null in contracts
- ONE STONE ENERGY PARTNERS, L.P.Similar federal contract value in Energy · null in contracts
Regulatory activity · Energy
- Air Plan Approval; Michigan; Redesignation and Maintenance Plan for the Partial St. Clair 2010 1-Hour Sulfur Dioxide (SO2) NAAQS Nonattainment AreaEnvironmental Protection Agency
- Air Plan Approval; Delaware; 2006 24-Hour Fine Particulate Matter Limited Maintenance Plan for the Philadelphia Nonattainment AreaEnvironmental Protection Agency
- Air Plan Approval; Oklahoma; Updates to the State Implementation Plan for New Source Review Permitting and General SIP ProvisionsEnvironmental Protection Agency
- List of Approved Spent Fuel Storage Casks: NAC International, Inc., MAGNASTOR® Storage System, Certificate of Compliance No. 1031, Amendment Nos. 16 and 17 and Revisions to Amendment Nos. 0 Through 16Nuclear Regulatory Commission
- Epyrifenacil; Pesticide TolerancesEnvironmental Protection Agency
- Fluoxapiprolin; Pesticide TolerancesEnvironmental Protection Agency
Rules are matched to sector, not to company. Recent activity in a sector is context rather than a signal about this business — until rules are matched to what a company actually builds, the section is shown as context and nothing more.
Sources
Federal grants from SBIR/STTR, NIH, NSF and DoD records. Federal contracts from USAspending.gov. Private capital from SEC Form D. Patents from USPTO. Publications from OpenAlex. Regulatory activity from the Federal Register. Press matched on company name.
How to read this page
Figures show associations in public records, not causes or predictions. Nothing here is investment advice. An em-dash means no record was found under this company's name, not that none exists.
Data freshness
SEC Form D filings through . SBIR and STTR awards through .