Private company

ISUN, INC.

ISUN, INC. is an American semiconductors and related devices company based in Williston.1

Last updated Oct 20, 2026.

Overview

  • IndustrySemiconductors & Related Devices1
  • HeadquartersWilliston, Vermont1
  • Incorporated inDE2
  • Business address400 Ave D, Suite 10, Williston, Vt 054952
  • Filer category, Emerging growth company2
  • Legal formCorporation

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“predicts,” “potential” or “continue” or the negative of these terms or other comparable terminology.4 From its latest annual report

Financials

From the company’s reports to the SEC. Every number links to the filing it came from.

Key numbers, fiscal 2023

18.7%Gross margin5
-13.3%Operating margin5
-20.3%Net margin5
25.2%Revenue growth, 20235
-148.0%Return on equity5
0.61×Debt to equity5

Where the money goes

Where each dollar of revenue went, fiscal 2023

  • Cost of revenue81¢$77.8M
  • Other costs17¢$16.2M
  • Interest2¢$1.7M
  • Income tax0¢$44.0K

Out of $95.7M in revenue.5 The company lost money this year.

Financial statements

Revenue67895$95.7M in 2023+500% since 2018
0$25.0M$50.0M$75.0M$100.0M2018: $16.0M$16.0M20182019: $28.2M$28.2M2019+77%2020: $21.1M$21.1M2020−25%2021: $45.3M$45.3M2021+115%2022: $76.5M$76.5M2022+69%2023: $95.7M$95.7M2023+25%
Gross profit67895$17.9M in 2023+469% since 2018
0$5.0M$10.0M$15.0M$20.0M2018: $3.1M$3.1M20182019: $4.2M$4.2M2019+32%2020: $2.3M$2.3M2020−44%2021: $6.4M$6.4M2021+173%2022: $16.0M$16.0M2022+150%2023: $17.9M$17.9M2023+12%
Operating income1067895-$12.7M in 2023+1600% since 2017
-$60.0M-$40.0M-$20.0M0$20.0M2017: -$746.6K-$746.6K20172018: $1.2M$1.2M20182019: $921.1K$921.1K2019−23%2020: -$1.7M-$1.7M20202021: -$10.6M-$10.6M2021+530%2022: -$55.4M-$55.4M2022+422%2023: -$12.7M-$12.7M2023−77%
Net income1067895-$19.4M in 2023+3223% since 2017
-$60.0M-$40.0M-$20.0M0$20.0M2017: -$584.3K-$584.3K20172018: $1.1M$1.1M20182019: $2.5M$2.5M2019+139%2020: -$980.1K-$980.1K20202021: -$6.2M-$6.2M2021+537%2022: -$53.8M-$53.8M2022+762%2023: -$19.4M-$19.4M2023−64%
Fiscal year2017201820192020202120222023
Revenue$16.0M6$28.2M7$21.1M8$45.3M9$76.5M5$95.7M5
Cost of revenue$12.8M6$24.1M7$18.7M8$38.9M9$60.5M5$77.8M5
Gross profit$3.1M6$4.2M7$2.3M8$6.4M9$16.0M5$17.9M5
Operating expenses$17.0M9$71.4M5$30.6M5
Operating income-$746.6K10$1.2M6$921.1K7-$1.7M8-$10.6M9-$55.4M5-$12.7M5
Interest$54.4K10$134.8K6$244.1K7$302.5K8$518.0K9$1.4M5$1.7M5
Income before tax-$8.2M9-$54.5M9
Income tax$2506$1.1M7-$487.2K8-$1.9M9-$752.0K5$44.0K5
Net income-$584.3K10$1.1M6$2.5M7-$980.1K8-$6.2M9-$53.8M5-$19.4M5
Earnings per share$0.336$0.577-$0.248-$0.679-$3.825-$0.735
Earnings per share (diluted)$0.336$0.577-$0.248-$0.678-$3.825-$0.735
Shares (weighted, basic)9.3M shares914.1M shares526.7M shares5
Shares (weighted, diluted)9.3M shares814.1M shares526.7M shares5

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Corporate structure

ISUN, INC. sits at the top of its group. 9 entities, 1 country on record. Switch between the flow chart and the network, and select any entity to see its details.

Major holders of ISUN, INC.

  • Jeffrey Peck Filed SC 13D/A on ISUN, INC., latest May 31, 2024 (4 filings since Mar 10, 2022)
  • Anson Funds Management LP Filed SC 13G on ISUN, INC., latest Feb 14, 2024
  • Ceyhun Demiralp Filed SC 13G on ISUN, INC., latest May 2, 2023
  • ISUN, INC. Williston, Vermont
    • iSun Corporate, LLC Subsidiary · Delaware, United States
    • iSun Energy, LLC Subsidiary · Delaware, United States
    • iSun Industrial, LLC Subsidiary · Delaware, United States
    • iSun Residential, Inc. Subsidiary · Delaware, United States
    • iSun Utility, LLC Subsidiary · Delaware, United States
    • Liberty Electric, Inc. Subsidiary · Delaware, United States
    • Peck Electric Co. Subsidiary · Vermont, United States
    • SolarCommunities, Inc. Subsidiary · Vermont, United States

Built from subsidiaries listed in Exhibit 21 of annual reports filed with the SEC; major holders from Schedules 13D and 13G. Each entity in the chart links to its source.

What it owns

What ISUN, INC. reports owning in its annual reports to the SEC: buildings, land and equipment, real estate and locations, investments, intangible assets and inventory, at the end of its latest fiscal year and a year before.

Property and equipment

ItemLatestA year beforeChange
Buildings and improvements$481.0K9 Dec 31, 2022$967.0K9 Dec 31, 2021−50.3%
Machinery and equipment$2.2M9 Dec 31, 2022$3.1M9 Dec 31, 2021−31.2%
Computer equipment and software$310.0K9 Dec 31, 2022$234.0K9 Dec 31, 2021+32.5%
Property and equipment, before depreciation$13.5M9 Dec 31, 2022$14.1M9 Dec 31, 2021−4.4%
Accumulated depreciation$6.3M5 Dec 31, 2023$5.0M5 Dec 31, 2022+25.3%
Property and equipment, net$7.8M5 Dec 31, 2023$8.4M5 Dec 31, 2022−7.5%
Operating-lease assets (leased space)$7.0M9 Dec 31, 2022$7.5M9 Jan 1, 2022−7.7%

Intangibles and goodwill

ItemLatestA year beforeChange
Accumulated amortization-$5.2M9 Dec 31, 2022-$349.0K9 Dec 31, 2021−1381.1%
Finite-lived intangibles, net$14.0M9 Dec 31, 2022$18.9M9 Dec 31, 2021−25.6%

Inventory

ItemLatestA year beforeChange
Inventory, total$2.5M9 Dec 31, 2022$2.5M9 Dec 31, 2021+2.3%

Leadership

Who has led ISUN, INC., and when. Pick a name to see everywhere that person has worked.

Chief executive

  1. Jeffrey James Raymond2016–2019
  2. Robert J. Zulkoski2024

President

  1. Jeffrey James Raymond2016–2019
  2. Daniel Reid Dus2022

Chief financial officer

  1. Rebecca Irish2016–2017
  2. James Douglas Gardner2017
20202025
Board members and other officers (9)

Named in SEC Form D filings

People the company listed in its private-offering notices.

  • Executive Vice President; DirectorFrederick Myrick, Jr. named Oct 14, 2021 to May 22, 202425
  • President, Chief Executive Officer; DirectorJeffrey Peck named Oct 14, 2021 to May 22, 202425
  • Interim Chief Financial OfficerRobert Vanderbeek named May 22, 202425
  • Chief Financial OfficerJohn Sullivan named Oct 14, 2021 to Dec 27, 202326
  • Chief Strategy OfficerMichael d'Amato named Oct 14, 2021 to Nov 18, 202227

Subsidiaries and ownership

Subsidiaries (Exhibit 21)

  • Liberty Electric, Inc. Delaware3
  • Peck Electric Co. Vermont3
  • SolarCommunities, Inc. Vermont3
  • iSun Corporate, LLC Delaware3
  • iSun Energy, LLC Delaware3
  • iSun Industrial, LLC Delaware3
  • iSun Residential, Inc. Delaware3
  • iSun Utility, LLC Delaware3

The subsidiaries the company lists in Exhibit 21 of its annual report, as filed.

Former names

  • PECK Co HOLDINGS, INC.Jun 26, 2019 to Jan 20, 20212
  • Jensyn Acquisition Corp.Mar 13, 2015 to Jun 21, 20192

Timeline

  1. Jun 7, 20248-K Bankruptcy or receivership; Debt or obligation accelerated; Listing notice or transfer28
  2. May 31, 20248-K Entered a material agreement; New debt or obligation29
  3. May 20, 20248-K Listing notice or transfer30
  4. May 15, 20248-K Debt or obligation accelerated31
  5. Apr 25, 20248-K Bylaws or fiscal year changed; Other events32
  6. Apr 24, 20248-K Change to shareholders' rights; Bylaws or fiscal year changed; Other events33
  7. Apr 22, 20248-K Executive or director change; Regulation FD disclosure34
  8. Mar 29, 2024New chief executive Robert J. Zulkoski becomes CEO13
  9. Mar 11, 20248-K Entered a material agreement; Executive or director change; Regulation FD disclosure35
  10. Mar 1, 20248-K Shareholder vote36
  11. Feb 20, 20248-K Executive or director change37
  12. Dec 13, 20238-K Entered a material agreement; Ended a material agreement; New debt or obligation38
  13. Nov 17, 20238-K Debt or obligation accelerated; Other events39
  14. Mar 21, 2016New chief executive Jeffrey James Raymond becomes CEO14

Filings

146 filings to the SEC since October 2021: 5 annual reports, 7 quarterly reports, 40 major events, 32 insider forms, 6 large holders, 6 private raises, 50 other. The latest 20:

  1. Oct 23, 2024SEC STAFF ACTION EDGAR
  2. Aug 6, 2024SEC STAFF ACTION EDGAR
  3. Jun 7, 20248-K EDGAR
  4. May 31, 2024SC 13D/A EDGAR
  5. May 31, 20248-K EDGAR
  6. May 22, 2024D EDGAR
  7. May 20, 20248-K EDGAR
  8. May 15, 2024NT 10-Q EDGAR
  9. May 15, 20248-K EDGAR
  10. Apr 29, 202410-K/A EDGAR
  11. Apr 25, 20248-K EDGAR
  12. Apr 24, 20248-K EDGAR
  13. Apr 22, 20248-K EDGAR
  14. Apr 16, 202410-K EDGAR
  15. Apr 1, 2024NT 10-K EDGAR
  16. Mar 29, 20243 EDGAR
  17. Mar 11, 20248-K EDGAR
  18. Mar 1, 20248-K EDGAR
  19. Feb 23, 2024DEFR14A EDGAR
  20. Feb 20, 20248-K EDGAR

The 146 filings since October 2021 can be filtered by form type and year here when JavaScript is on.

Every filing from the last five years, summarized. The full record is on SEC EDGAR.

Insider trades

6 open-market trades by officers, directors and large owners since October 2021: 4 buys and 2 sales. Grants, option exercises and gifts are left out.

DateWhoTradeSharesPriceValueFiling
Sep 18, 2023Meer Claudia MichelDirectorSale2,850$0.24$684Form 4
Sep 18, 2023Meer Claudia MichelDirectorSale4,400$0.24$1.1KForm 4
May 25, 2023Myrick Frederick JRExecutive Vice PresidentBuy20,000$0.61$12.2KForm 4
May 23, 2023Peck JeffreyChief Executive OfficerBuy50,000$0.56$28.0KForm 4
May 22, 2023Sullivan John PatrickChief Financial OfficerBuy50,000$0.49$24.5KForm 4
Sep 24, 2022d'Amato Michael PaulChief Strategy OfficerBuy10,000$1.97$19.7KForm 4

From Forms 4 filed with the SEC.

Major holders

Investors who own more than 5% of the shares must tell the SEC: a 13D if they may seek to influence the company, a 13G if they hold passively.

  • Jeffrey PeckSC 13D/A, 4 filings Mar 10, 2022 to May 31, 202440
  • Anson Funds Management LPSC 13G, 1 filing Feb 14, 202441
  • Ceyhun DemiralpSC 13G, 1 filing May 2, 202342

Money raised

Private offerings the company reported to the SEC on Form D.

  1. May 2, 2024Raised $50,000 in a private offering of equity Form D: 1 investor so far Form D
  2. Dec 12, 2023Raised $631,400 in a private offering of equity Form D: 2 investors so far Form D
  3. Dec 12, 2023Raised $3 million in a private offering of equity Form D: 2 investors so far Form D
  4. Nov 4, 2022Raised $12.5 million in a private offering of securities Form D: $25 million offered in all Form D
  5. Nov 18, 2021Raised $249,994 in a private offering of equity Form D: 1 investor so far Form D
  6. Oct 1, 2021Raised $16 million in a private offering of equity Form D: 49 investors so far Form D

SEC filer profile

How ISUN, INC. is registered with the Securities and Exchange Commission, from its EDGAR record and the cover page of its latest annual report.

  • Name on EDGARISUN, INC.1
  • CIK0001634447
  • Employer ID (EIN)47-21501721
  • Filer status<br>emerging growth company1
  • Incorporated inDelaware1
  • Fiscal year endsDecember 311
  • Industry code (SIC)3674 Semiconductors & Related Devices1
  • SEC reviewing officeOffice of Manufacturing, Division of Corporation Finance1
  • Business address400 Ave D, Suite 10, Williston, VT 054951
  • Phone802-658-33781
  • Shares outstanding47,384,672 as of Apr 12, 20245
  • Public float$11.5M as of Mar 31, 202443
  • On EDGAR sinceMar 13, 20151
  • Filings429 in all: 8-K (107), 4 (61), 10-Q (24), 3 (23), DEFA14A (18), SC 13G/A (14), SC 13G (13), UPLOAD (13)1
    All 45 form types

    CORRESP (12), DEF 14A (12), 4/A (10), PRE 14A (10), EFFECT (9), S-3 (9), 10-K (8), D (7), 424B3 (6), NT 10-Q (6), SC 13D/A (6), 424B5 (5), 8-K/A (5), 10-K/A (4), 3/A (4), NT 10-K (4), PRER14A (4), S-1/A (4), 25-NSE (3), PREM14A (3), SC 13D (3), 144 (2), 424B4 (2), 425 (2), S-3/A (2), S-8 (2), SEC STAFF ACTION (2), 424B7 (1), 8-A12B (1), CERTNAS (1), DEFM14A (1), DEFR14A (1), DRS (1), DRS/A (1), S-1 (1), S-4 (1), S-4/A (1)

  • Latest filingsAnnual report (10-K) Apr 16, 2024
    Quarterly report (10-Q) Nov 14, 2023
    Proxy statement (DEF 14A) Jan 29, 2024
    Latest 8-K (8-K) Jun 7, 2024

Sources

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