Follow the people · Insider
Nathan Kroeker
Nathan Kroeker files insider transactions with the SEC as a chief commercial officer of Eos Energy Enterprises (EOSE). We hold 4 disclosed purchases and sales filed since 5 August 2014, 3 of them in the last 90 days.
- Files forEOSE
- Disclosed buys and sells4 in all, 3 in the last 90 days
- Last disclosure6 August 2026
Positions held
2 posts we hold — a term names its own dates; a run of filings only says when they filed- Filed 23 January 2023 — 28 July 2026Chief Commercial Officer · Eos Energy Enterprises (EOSE)55 Form 4 lines · source: SEC Form 4
- Filed 1 August 2014 — 16 December 2019President & CEO · Spark Energy (SPKE)90 Form 4 lines · source: SEC Form 4
Everything they disclosed
120 entries, newest first — one per disclosure report, one per Form 4 line- exercised options over 16,944 shares of Eos Energy EnterprisesSEC Form 46 August 2026Common Stock · traded 21 July 2026 · filed 6 August 2026
- exercised options over 16,944 shares of Eos Energy Enterprises (a derivative holding)SEC Form 46 August 2026Subscription Rights (right to buy) · traded 21 July 2026 · filed 6 August 2026
- exercised options over 7,435 shares of Eos Energy Enterprises (a derivative holding)SEC Form 46 August 2026Warrant (right to buy) · traded 21 July 2026 · filed 6 August 2026
- exercised options over 220,834 shares of Eos Energy EnterprisesSEC Form 428 July 2026Common Stock · traded 25 July 2026 · filed 28 July 2026
- ▼ sold on the open market 110,417 shares of Eos Energy EnterprisesSEC Form 428 July 2026Common Stock · traded 28 July 2026 · filed 28 July 2026
- exercised options over 220,834 shares of Eos Energy Enterprises (a derivative holding)SEC Form 428 July 2026Restricted Stock Units · traded 25 July 2026 · filed 28 July 2026
- exercised options over 53,610 shares of Eos Energy EnterprisesSEC Form 47 July 2026Common Stock · traded 3 July 2026 · filed 7 July 2026
- exercised options over 105,008 shares of Eos Energy EnterprisesSEC Form 47 July 2026Common Stock · traded 5 July 2026 · filed 7 July 2026
- ▼ sold on the open market 79,309 shares of Eos Energy EnterprisesSEC Form 47 July 2026Common Stock · traded 7 July 2026 · filed 7 July 2026
- exercised options over 53,610 shares of Eos Energy Enterprises (a derivative holding)SEC Form 47 July 2026Restricted Stock Units · traded 3 July 2026 · filed 7 July 2026
- exercised options over 105,008 shares of Eos Energy Enterprises (a derivative holding)SEC Form 47 July 2026Restricted Stock Units · traded 5 July 2026 · filed 7 July 2026
- exercised options over 70,578 shares of Eos Energy EnterprisesSEC Form 430 June 2026Common Stock · traded 26 June 2026 · filed 30 June 2026
- ▼ sold on the open market 35,289 shares of Eos Energy EnterprisesSEC Form 430 June 2026Common Stock · traded 30 June 2026 · filed 30 June 2026
- exercised options over 70,578 shares of Eos Energy Enterprises (a derivative holding)SEC Form 430 June 2026Restricted Stock Units · traded 26 June 2026 · filed 30 June 2026
- exercised options over 100,000 shares of Eos Energy EnterprisesSEC Form 426 January 2026Common Stock · traded 23 January 2026 · filed 26 January 2026
- ▼ sold on the open market 50,000 shares of Eos Energy EnterprisesSEC Form 426 January 2026Common Stock · traded 26 January 2026 · filed 26 January 2026
- exercised options over 100,000 shares of Eos Energy Enterprises (a derivative holding)SEC Form 426 January 2026Restricted Stock Units · traded 23 January 2026 · filed 26 January 2026
- exercised options over 100,000 shares of Eos Energy Enterprises (a derivative holding)SEC Form 426 January 2026Restricted Stock Units · traded 23 January 2026 · filed 26 January 2026
- exercised options over 100,000 shares of Eos Energy EnterprisesSEC Form 426 January 2026Common Stock · traded 23 January 2026 · filed 26 January 2026
- ▼ sold on the open market 50,000 shares of Eos Energy EnterprisesSEC Form 426 January 2026Common Stock · traded 26 January 2026 · filed 26 January 2026
- exercised options over 220,833 shares of Eos Energy Enterprises (a derivative holding)SEC Form 429 July 2025Restricted Stock Units · traded 25 July 2025 · filed 29 July 2025
- exercised options over 220,833 shares of Eos Energy EnterprisesSEC Form 429 July 2025Common Stock · traded 25 July 2025 · filed 29 July 2025
- ▼ sold on the open market 99,375 shares of Eos Energy EnterprisesSEC Form 429 July 2025Common Stock · traded 29 July 2025 · filed 29 July 2025
- exercised options over 53,609 shares of Eos Energy Enterprises (a derivative holding)SEC Form 48 July 2025Restricted Stock Units · traded 3 July 2025 · filed 8 July 2025
- exercised options over 105,008 shares of Eos Energy Enterprises (a derivative holding)SEC Form 48 July 2025Restricted Stock Units · traded 5 July 2025 · filed 8 July 2025
- exercised options over 53,609 shares of Eos Energy EnterprisesSEC Form 48 July 2025Common Stock · traded 3 July 2025 · filed 8 July 2025
- exercised options over 105,008 shares of Eos Energy EnterprisesSEC Form 48 July 2025Common Stock · traded 5 July 2025 · filed 8 July 2025
- ▼ sold on the open market 24,124 shares of Eos Energy EnterprisesSEC Form 48 July 2025Common Stock · traded 7 July 2025 · filed 8 July 2025
- ▼ sold on the open market 47,254 shares of Eos Energy EnterprisesSEC Form 48 July 2025Common Stock · traded 8 July 2025 · filed 8 July 2025
- was granted 211,735 shares of Eos Energy Enterprises (a derivative holding)SEC Form 427 June 2025Restricted Stock Units · traded 26 June 2025 · filed 27 June 2025
- ▼ sold on the open market 152,856 shares of Eos Energy EnterprisesSEC Form 416 May 2025Common Stock · traded 16 May 2025 · filed 16 May 2025
- was granted 311,375 shares of Eos Energy Enterprises (a derivative holding)SEC Form 412 May 2025Performance-Based Restricted Stock Units · traded 8 May 2025 · filed 12 May 2025
- exercised options over 311,375 shares of Eos Energy Enterprises (a derivative holding)SEC Form 412 May 2025Performance-Based Restricted Stock Units · traded 8 May 2025 · filed 12 May 2025
- exercised options over 311,375 shares of Eos Energy EnterprisesSEC Form 412 May 2025Common Stock · traded 8 May 2025 · filed 12 May 2025
- exercised options over 100,000 shares of Eos Energy Enterprises (a derivative holding)SEC Form 427 January 2025Restricted Stock Units · traded 23 January 2025 · filed 27 January 2025
- exercised options over 100,000 shares of Eos Energy EnterprisesSEC Form 427 January 2025Common Stock · traded 23 January 2025 · filed 27 January 2025
- had shares withheld for tax on 40,515 shares of Eos Energy EnterprisesSEC Form 427 January 2025Common Stock · traded 23 January 2025 · filed 27 January 2025
- was granted 662,500 shares of Eos Energy Enterprises (a derivative holding)SEC Form 429 July 2024Restricted Stock Units · traded 25 July 2024 · filed 29 July 2024
- exercised options over 105,008 shares of Eos Energy Enterprises (a derivative holding)SEC Form 49 July 2024Restricted Stock Units · traded 5 July 2024 · filed 9 July 2024
- exercised options over 105,008 shares of Eos Energy EnterprisesSEC Form 49 July 2024Common Stock · traded 5 July 2024 · filed 9 July 2024
- had shares withheld for tax on 41,321 shares of Eos Energy EnterprisesSEC Form 49 July 2024Common Stock · traded 5 July 2024 · filed 9 July 2024
- exercised options over 53,610 shares of Eos Energy Enterprises (a derivative holding)SEC Form 48 July 2024Restricted Stock Units · traded 3 July 2024 · filed 8 July 2024
- exercised options over 53,610 shares of Eos Energy EnterprisesSEC Form 48 July 2024Common Stock · traded 3 July 2024 · filed 8 July 2024
- had shares withheld for tax on 21,096 shares of Eos Energy EnterprisesSEC Form 48 July 2024Common Stock · traded 3 July 2024 · filed 8 July 2024
- exercised options over 100,000 shares of Eos Energy Enterprises (a derivative holding)SEC Form 425 January 2024Restricted Stock Units · traded 23 January 2024 · filed 25 January 2024
- exercised options over 100,000 shares of Eos Energy EnterprisesSEC Form 425 January 2024Common Stock · traded 23 January 2024 · filed 25 January 2024
- had shares withheld for tax on 44,650 shares of Eos Energy EnterprisesSEC Form 425 January 2024Common Stock · traded 23 January 2024 · filed 25 January 2024
- exercised options over 40,000 shares of Eos Energy Enterprises (a derivative holding)SEC Form 41 November 2023Restricted Stock Units · traded 30 October 2023 · filed 1 November 2023
- exercised options over 40,000 shares of Eos Energy EnterprisesSEC Form 41 November 2023Common Stock · traded 30 October 2023 · filed 1 November 2023
- had shares withheld for tax on 9,740 shares of Eos Energy EnterprisesSEC Form 41 November 2023Common Stock · traded 30 October 2023 · filed 1 November 2023
- was granted 40,000 shares of Eos Energy Enterprises (a derivative holding)SEC Form 41 September 2023Restricted Stock Units · traded 31 August 2023 · filed 1 September 2023
- ▲ bought on the open market 4,000 shares of Eos Energy EnterprisesSEC Form 428 July 2023Common Stock · traded 28 July 2023 · filed 28 July 2023
- was granted 160,829 shares of Eos Energy Enterprises (a derivative holding)SEC Form 46 July 2023Restricted Stock Units · traded 3 July 2023 · filed 6 July 2023
- was granted 315,024 shares of Eos Energy Enterprises (a derivative holding)SEC Form 46 July 2023Restricted Stock Units · traded 5 July 2023 · filed 6 July 2023
- was granted 300,000 shares of Eos Energy Enterprises (a derivative holding)SEC Form 424 January 2023Restricted Stock Units · traded 23 January 2023 · filed 24 January 2023
- was granted 2,975 shares of Spark Energy (a derivative holding)SEC Form 418 December 2019Restricted Stock Unit · traded 16 December 2019 · filed 18 December 2019
- was granted 4,175 shares of Spark Energy (a derivative holding)SEC Form 418 December 2019Restricted Stock Unit · traded 16 December 2019 · filed 18 December 2019
- was granted 3,403 shares of Spark Energy (a derivative holding)SEC Form 417 September 2019Restricted Stock Unit · traded 15 September 2019 · filed 17 September 2019
- was granted 4,777 shares of Spark Energy (a derivative holding)SEC Form 417 September 2019Restricted Stock Unit · traded 15 September 2019 · filed 17 September 2019
- was granted 3,225 shares of Spark Energy (a derivative holding)SEC Form 418 June 2019Restricted Stock Unit · traded 14 June 2019 · filed 18 June 2019
- was granted 4,527 shares of Spark Energy (a derivative holding)SEC Form 418 June 2019Restricted Stock Unit · traded 14 June 2019 · filed 18 June 2019
- exercised options over 31,756 shares of Spark Energy (a derivative holding)SEC Form 421 May 2019Restricted Stock Unit · traded 18 May 2019 · filed 21 May 2019
- exercised options over 64,545 shares of Spark Energy (a derivative holding)SEC Form 421 May 2019Restricted Stock Unit · traded 18 May 2019 · filed 21 May 2019
- was granted 180,000 shares of Spark Energy (a derivative holding)SEC Form 421 May 2019Restricted Stock Unit · traded 18 May 2019 · filed 21 May 2019
- exercised options over 31,756 shares of Spark EnergySEC Form 421 May 2019Class A Common Stock · traded 18 May 2019 · filed 21 May 2019
- exercised options over 64,545 shares of Spark EnergySEC Form 421 May 2019Class A Common Stock · traded 18 May 2019 · filed 21 May 2019
- had shares withheld for tax on 37,905 shares of Spark EnergySEC Form 421 May 2019Class A Common Stock · traded 18 May 2019 · filed 21 May 2019
- was granted 60,000 shares of Spark Energy (a derivative holding)SEC Form 427 March 2019Restricted Stock Unit · traded 25 March 2019 · filed 27 March 2019
- was granted 533 shares of Spark Energy (a derivative holding)SEC Form 419 March 2019Restricted Stock Unit · traded 15 March 2019 · filed 19 March 2019
- was granted 3,146 shares of Spark Energy (a derivative holding)SEC Form 419 March 2019Restricted Stock Unit · traded 15 March 2019 · filed 19 March 2019
- was granted 1,480 shares of Spark Energy (a derivative holding)SEC Form 419 March 2019Restricted Stock Unit · traded 15 March 2019 · filed 19 March 2019
- ▼ sold on the open market 5,000 shares of Spark EnergySEC Form 425 February 2019Class A Common Stock · traded 22 February 2019 · filed 25 February 2019
- ▲ bought on the open market 1,000 shares of Spark EnergySEC Form 420 December 2018Series A Preferred Stock · traded 20 December 2018 · filed 20 December 2018
- was granted 625 shares of Spark Energy (a derivative holding)SEC Form 418 December 2018Restricted Stock Unit · traded 13 September 2018 · filed 18 December 2018
- was granted 3,517 shares of Spark Energy (a derivative holding)SEC Form 418 December 2018Restricted Stock Unit · traded 13 September 2018 · filed 18 December 2018
- was granted 1,667 shares of Spark Energy (a derivative holding)SEC Form 418 December 2018Restricted Stock Unit · traded 13 September 2018 · filed 18 December 2018
- was granted 598 shares of Spark Energy (a derivative holding)SEC Form 418 December 2018Restricted Stock Unit · traded 14 December 2018 · filed 18 December 2018
- was granted 3,450 shares of Spark Energy (a derivative holding)SEC Form 418 December 2018Restricted Stock Unit · traded 14 December 2018 · filed 18 December 2018
- was granted 1,628 shares of Spark Energy (a derivative holding)SEC Form 418 December 2018Restricted Stock Unit · traded 14 December 2018 · filed 18 December 2018
- ▲ bought on the open market 1,000 shares of Spark EnergySEC Form 418 December 2018Series A Preferred Stock · traded 18 December 2018 · filed 18 December 2018
- was granted 5,809 shares of Spark Energy (a derivative holding)SEC Form 417 September 2018Class A Common Stock · traded 13 September 2018 · filed 17 September 2018
- was granted 30,000 shares of Spark Energy (a derivative holding)SEC Form 422 August 2018Restricted Stock Unit · traded 1 August 2018 · filed 22 August 2018
- was granted 75,000 shares of Spark Energy (a derivative holding)SEC Form 422 August 2018Restricted Stock Unit · traded 1 August 2018 · filed 22 August 2018
- was granted 80,000 shares of Spark Energy (a derivative holding)SEC Form 422 August 2018Restricted Stock Unit · traded 1 August 2018 · filed 22 August 2018
- was granted 1,670 shares of Spark Energy (a derivative holding)SEC Form 419 June 2018Restricted Stock Unit · traded 15 June 2018 · filed 19 June 2018
- exercised options over 41,371 shares of Spark Energy (a derivative holding)SEC Form 48 June 2018Restricted Stock Unit · traded 18 May 2018 · filed 8 June 2018
- exercised options over 41,371 shares of Spark EnergySEC Form 48 June 2018Class A Common Stock · traded 18 May 2018 · filed 8 June 2018
- had shares withheld for tax on 16,298 shares of Spark EnergySEC Form 48 June 2018Class A Common Stock · traded 18 May 2018 · filed 8 June 2018
- exercised options over 31,454 shares of Spark EnergySEC Form 48 May 2018Class A Common Stock · traded 4 May 2018 · filed 8 May 2018
- had shares withheld for tax on 12,344 shares of Spark EnergySEC Form 48 May 2018Class A Common Stock · traded 4 May 2018 · filed 8 May 2018
- exercised options over 31,454 shares of Spark Energy (a derivative holding)SEC Form 48 May 2018Restricted Stock Unit · traded 4 May 2018 · filed 8 May 2018
- was granted 3,239 shares of Spark Energy (a derivative holding)SEC Form 419 March 2018Restricted Stock Unit · traded 16 March 2018 · filed 19 March 2018
- was granted 2,239 shares of Spark Energy (a derivative holding)SEC Form 415 December 2017Restricted Stock Unit · traded 14 December 2017 · filed 15 December 2017
- was granted 1,759 shares of Spark Energy (a derivative holding)SEC Form 418 September 2017Restricted Stock Unit · traded 14 September 2017 · filed 18 September 2017
- ▲ bought on the open market 1,000 shares of Spark EnergySEC Form 411 August 2017Series A Preferred Stock · traded 9 August 2017 · filed 11 August 2017
- ▲ bought on the open market 1,000 shares of Spark EnergySEC Form 411 August 2017Series A Preferred Stock · traded 10 August 2017 · filed 11 August 2017
- ▲ bought on the open market 1,775 shares of Spark EnergySEC Form 411 August 2017Series A Preferred Stock · traded 11 August 2017 · filed 11 August 2017
- exercised options over 4,073 shares of Spark EnergySEC Form 49 August 2017Class A Common Stock · traded 18 May 2016 · filed 9 August 2017
- had shares withheld for tax on 1,116 shares of Spark EnergySEC Form 49 August 2017Class A Common Stock · traded 18 May 2016 · filed 9 August 2017
- exercised options over 4,073 shares of Spark Energy (a derivative holding)SEC Form 49 August 2017Restricted Stock Unit · traded 18 May 2016 · filed 9 August 2017
- was granted 25,000 shares of Spark Energy (a derivative holding)SEC Form 49 August 2017Restricted Stock Unit · traded 18 May 2016 · filed 9 August 2017
- was granted 642 shares of Spark Energy (a derivative holding)SEC Form 415 June 2017Restricted Stock Unit · traded 14 June 2017 · filed 15 June 2017
- ▼ sold on the open market 21,244 shares of Spark EnergySEC Form 426 May 2017Class A Common Stock · traded 25 May 2017 · filed 26 May 2017
- exercised options over 10,868 shares of Spark EnergySEC Form 422 May 2017Class A Common Stock · traded 18 May 2017 · filed 22 May 2017
- had shares withheld for tax on 4,609 shares of Spark EnergySEC Form 422 May 2017Class A Common Stock · traded 18 May 2017 · filed 22 May 2017
- exercised options over 10,868 shares of Spark Energy (a derivative holding)SEC Form 422 May 2017Restricted Stock Unit · traded 18 May 2017 · filed 22 May 2017
- was granted 35,000 shares of Spark Energy (a derivative holding)SEC Form 422 May 2017Restricted Stock Unit · traded 18 May 2017 · filed 22 May 2017
- exercised options over 14,910 shares of Spark EnergySEC Form 48 May 2017Class A Common Stock · traded 4 May 2017 · filed 8 May 2017
- had shares withheld for tax on 6,321 shares of Spark EnergySEC Form 48 May 2017Class A Common Stock · traded 4 May 2017 · filed 8 May 2017
- exercised options over 14,910 shares of Spark Energy (a derivative holding)SEC Form 48 May 2017Restricted Stock Unit · traded 4 May 2017 · filed 8 May 2017
- was granted 872 shares of Spark Energy (a derivative holding)SEC Form 420 March 2017Restricted Stock Unit · traded 16 March 2017 · filed 20 March 2017
- was granted 972 shares of Spark Energy (a derivative holding)SEC Form 415 December 2016Restricted Stock Unit · traded 14 December 2016 · filed 15 December 2016
- ▲ bought on the open market 100 shares of Spark EnergySEC Form 428 November 2016Class A Common Stock · traded 23 November 2016 · filed 28 November 2016
- ▲ bought on the open market 50 shares of Spark EnergySEC Form 415 November 2016Class A Common Stock · traded 15 November 2016 · filed 15 November 2016
- ▲ bought on the open market 100 shares of Spark EnergySEC Form 414 November 2016Class A Common Stock · traded 14 November 2016 · filed 14 November 2016
- was granted 825 shares of Spark Energy (a derivative holding)SEC Form 414 September 2016Restricted Stock Unit · traded 13 September 2016 · filed 14 September 2016
- was granted 789 shares of Spark Energy (a derivative holding)SEC Form 416 June 2016Restricted Stock Unit · traded 14 June 2016 · filed 16 June 2016
- exercised options over 4,073 shares of Spark EnergySEC Form 420 May 2016Class A Common Stock · traded 18 May 2016 · filed 20 May 2016
- had shares withheld for tax on 1,116 shares of Spark EnergySEC Form 420 May 2016Class A Common Stock · traded 18 May 2016 · filed 20 May 2016
- exercised options over 4,073 shares of Spark Energy (a derivative holding)SEC Form 420 May 2016Restricted Stock Unit · traded 18 May 2016 · filed 20 May 2016
Positions come from the unitedstates/congress-legislators roster, the Office of Government Ethics and the SEC’s Form 4 index. Every disclosed line names its own source and links the document the government published; we print what the filing says and never a price we did not read from it. Headlines and links come from the GDELT Global Knowledge Graph — the story stays with the publisher. The portrait, where we have one, is the public-domain Congressional Bioguide photograph.