The public view is the crawlable proof. The same sourced dataset is available through REST and MCP for agents, research scripts, and back-office tools.
| Date | Insider | Role | Action | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Mar 19, 2026 | Hampstead Park Capital Management, LLC | 10% Owner | Buy(P) | 9K | $0.87 | $7K |
| Mar 18, 2026 | Lipstein Robert J | Director | Buy(P) | 11K | $0.90 | $10K |
| Mar 16, 2026 | Culpepper Glenn | Director | Buy(P) | 5K | $1.16 | $6K |
| Mar 12, 2026 | Moss Perry W. | President and CEO | Tax withholding(F) | 25K | $1.45 | $36K |
| Feb 28, 2026 | Friedberg Daniel M. | Director, 10% Owner | Grant(A) | 9K | $1.76 | $15K |
| Feb 28, 2026 | Nolan Stephen A | Director | Grant(A) | 2K | $1.76 | $3K |
| Feb 28, 2026 | Tomolonius Sarah | Director | Grant(A) | 2K | $1.76 | $3K |
| Jan 31, 2026 | Tomolonius Sarah | Director | Grant(A) | 2K | $2.15 | $3K |
| Jan 31, 2026 | Nolan Stephen A | Director | Grant(A) | 2K | $2.15 | $3K |
| Jan 31, 2026 | Hampstead Park Capital Management, LLC | 10% Owner | Grant(A) | 7K | $2.15 | $15K |
| Dec 31, 2025 | Tomolonius Sarah | Director | Grant(A) | 2K | $1.86 | $3K |
| Dec 31, 2025 | Nolan Stephen A | Director | Grant(A) | 2K | $1.86 | $3K |
| Dec 31, 2025 | Hampstead Park Environmental Services Investment Fund LLC | 10% Owner | Grant(A) | 8K | $1.86 | $15K |
| Dec 23, 2025 | Culpepper Glenn | Director | Buy(P) | 5K | $1.96 | $10K |
| Nov 30, 2025 | Friedberg Daniel M. | Director, 10% Owner | Grant(A) | 8K | $1.88 | $15K |
| Nov 30, 2025 | Nolan Stephen A | Director | Grant(A) | 2K | $1.88 | $3K |
| Nov 30, 2025 | Tomolonius Sarah | Director | Grant(A) | 2K | $1.88 | $3K |
| Oct 31, 2025 | Nolan Stephen A | Director | Grant(A) | 2K | $1.52 | $3K |
| Oct 31, 2025 | Tomolonius Sarah | Director | Grant(A) | 2K | $1.52 | $3K |
| Oct 27, 2025 | Kitt Barry M | 10% Owner | Buy(P) | 63K | $1.36 | $85K |
| Oct 24, 2025 | Kitt Barry M | 10% Owner | Buy(P) | 33K | $1.33 | $45K |
| Oct 23, 2025 | Kitt Barry M | 10% Owner | Buy(P) | 103K | $1.26 | $130K |
| Sep 30, 2025 | Tomolonius Sarah | Director | Grant(A) | 2K | $1.56 | $3K |
| Sep 30, 2025 | Nolan Stephen A | Director | Grant(A) | 2K | $1.56 | $3K |
| Sep 2, 2025 | Dunning Audrey | Director | Buy(P) | 4K | $1.82 | $7K |
| Aug 31, 2025 | Tomolonius Sarah | Director | Grant(A) | 2K | $1.87 | $3K |
| Aug 31, 2025 | Nolan Stephen A | Director | Grant(A) | 2K | $1.87 | $3K |
| Aug 20, 2025 | Friedberg Daniel M. | Director, 10% Owner | Buy(P) | 17K | $1.60 | $28K |
| Aug 14, 2025 | Culpepper Glenn | Director | Buy(P) | 5K | $1.68 | $8K |
| Aug 14, 2025 | Lipstein Robert J | Director | Buy(P) | 15K | $1.70 | $26K |
| Aug 13, 2025 | Tomolonius Sarah | Director | Grant(A) | 20K | — | — |
| Aug 13, 2025 | Friedberg Daniel M. | Director, 10% Owner | Grant(A) | 20K | — | — |
| Aug 13, 2025 | Sweitzer David P | EVP and COO | Grant(A) | 50K | — | $0 |
| Aug 13, 2025 | Dunning Audrey | Director | Grant(A) | 20K | — | — |
| Aug 13, 2025 | Johnston Brett Wade | Sr. VP of Finance and CFO | Grant(A) | 40K | — | $0 |
| Aug 13, 2025 | Nolan Stephen A | Director | Grant(A) | 20K | — | — |
| Aug 13, 2025 | Lipstein Robert J | Director | Grant(A) | 20K | — | — |
| Aug 13, 2025 | Culpepper Glenn | Director | Grant(A) | 20K | — | — |
| Aug 13, 2025 | Moss Perry W. | President and CEO | Grant(A) | 100K | — | $0 |
| Aug 12, 2025 | Tomolonius Sarah | Director | Option exercise(M) | 10K | — | — |
| Aug 12, 2025 | Tomolonius Sarah | Director | Option exercise(M) | 10K | — | $0 |
| Aug 12, 2025 | Friedberg Daniel M. | Director, 10% Owner | Option exercise(M) | 10K | — | — |
| Aug 12, 2025 | Friedberg Daniel M. | Director, 10% Owner | Option exercise(M) | 10K | — | $0 |
| Aug 12, 2025 | Dunning Audrey | Director | Option exercise(M) | 10K | — | — |
| Aug 12, 2025 | Dunning Audrey | Director | Option exercise(M) | 10K | — | $0 |
| Aug 12, 2025 | Nolan Stephen A | Director | Option exercise(M) | 10K | — | — |
| Aug 12, 2025 | Nolan Stephen A | Director | Option exercise(M) | 10K | — | $0 |
| Aug 12, 2025 | Culpepper Glenn | Director | Option exercise(M) | 10K | — | — |
| Aug 12, 2025 | Culpepper Glenn | Director | Option exercise(M) | 10K | — | $0 |
| Jul 31, 2025 | Tomolonius Sarah | Director | Grant(A) | 2K | $2.01 | $3K |
| Jul 31, 2025 | Nolan Stephen A | Director | Grant(A) | 2K | $2.01 | $3K |
| Jun 30, 2025 | Tomolonius Sarah | Director | Grant(A) | 2K | $2.02 | $3K |
| Jun 30, 2025 | Nolan Stephen A | Director | Grant(A) | 2K | $2.02 | $3K |
| Jun 26, 2025 | Johnston Brett Wade | Sr. VP of Finance and CFO | Option exercise(M) | 7K | — | — |
| Jun 26, 2025 | Johnston Brett Wade | Sr. VP of Finance and CFO | Tax withholding(F) | 2K | $2.31 | $5K |
| Jun 26, 2025 | Johnston Brett Wade | Sr. VP of Finance and CFO | Option exercise(M) | 7K | — | $0 |
| Jun 26, 2025 | Moss Perry W. | President and CEO | Tax withholding(F) | 2K | $2.31 | $5K |
| Jun 26, 2025 | Moss Perry W. | President and CEO | Option exercise(M) | 7K | — | — |
| Jun 26, 2025 | Moss Perry W. | President and CEO | Option exercise(M) | 7K | — | $0 |
| Jun 26, 2025 | Sweitzer David P | EVP and COO | Tax withholding(F) | 3K | $2.31 | $6K |
| Jun 26, 2025 | Sweitzer David P | EVP and COO | Option exercise(M) | 8K | — | — |
| Jun 26, 2025 | Sweitzer David P | EVP and COO | Option exercise(M) | 8K | — | $0 |
| May 31, 2025 | Culpepper Glenn | Director | Grant(A) | 2K | $2.20 | $5K |
| May 31, 2025 | Nolan Stephen A | Director | Grant(A) | 2K | $2.20 | $3K |
| May 31, 2025 | Tomolonius Sarah | Director | Grant(A) | 2K | $2.20 | $3K |
| Apr 30, 2025 | Tomolonius Sarah | Director | Grant(A) | 1K | $2.36 | $3K |
| Apr 30, 2025 | Nolan Stephen A | Director | Grant(A) | 1K | $2.36 | $3K |
| Apr 30, 2025 | Culpepper Glenn | Director | Grant(A) | 2K | $2.36 | $5K |
| Apr 11, 2025 | Hatch S. Ray | Director | Option exercise(M) | 30K | — | — |
| Apr 11, 2025 | Hatch S. Ray | Director | Option exercise(M) | 30K | — | $0 |
| Mar 31, 2025 | Tomolonius Sarah | Director | Grant(A) | 2K | $2.60 | $5K |
| Mar 31, 2025 | Culpepper Glenn | Director | Grant(A) | 2K | $2.60 | $5K |
| Mar 31, 2025 | Hampstead Park Environmental Services Investment Fund LLC | 10% Owner | Grant(A) | 11K | $2.60 | $30K |
| Mar 31, 2025 | Nolan Stephen A | Director | Grant(A) | 2K | $2.60 | $5K |
| Mar 31, 2025 | Dunning Audrey | Director | Grant(A) | 2K | $2.60 | $5K |
| Mar 19, 2025 | Friedberg Daniel M. | Director, 10% Owner | Buy(P) | 3K | $2.96 | $8K |
| Mar 18, 2025 | Nolan Stephen A | Director | Buy(P) | 4K | $2.99 | $12K |
| Mar 18, 2025 | Dunning Audrey | Director | Buy(P) | 3K | $3.04 | $8K |
| Mar 18, 2025 | Friedberg Daniel M. | Director, 10% Owner | Buy(P) | 10K | $2.95 | $30K |
| Mar 17, 2025 | Hatch S. Ray | Director | Buy(P) | 5K | $2.86 | $14K |
| Mar 17, 2025 | Moss Perry W. | President and CEO | Buy(P) | 16K | $3.01 | $49K |
| Mar 12, 2025 | Moss Perry W. | President and CEO | Grant(A) | 215K | — | $0 |
| Feb 28, 2025 | Nolan Stephen A | Director | Grant(A) | 765 | $4.57 | $3K |
| Feb 28, 2025 | Tomolonius Sarah | Director | Grant(A) | 765 | $4.57 | $3K |
| Jan 31, 2025 | Tomolonius Sarah | Director | Grant(A) | 598 | $5.85 | $3K |
| Jan 31, 2025 | Nolan Stephen A | Director | Grant(A) | 598 | $5.85 | $3K |
| Dec 23, 2024 | Culpepper Glenn | Director | Buy(P) | 2K | $5.85 | $12K |
| Nov 20, 2024 | Dunning Audrey | Director | Buy(P) | 1K | $6.71 | $9K |
| Nov 14, 2024 | Hatch S. Ray | President and CEO, Director | Grant(A) | 2K | $6.00 | $10K |
| Nov 14, 2024 | Johnston Brett Wade | Sr. VP of Finance and CFO | Grant(A) | 1K | $6.00 | $9K |
| Nov 12, 2024 | Hatch S. Ray | President and CEO, Director | Buy(P) | 3K | $7.17 | $20K |
| Aug 22, 2024 | Johnston Brett Wade | Sr. VP of Finance and CFO | Buy(P) | 2K | $8.03 | $12K |
| Aug 20, 2024 | Hatch S. Ray | President and CEO, Director | Buy(P) | 3K | $8.07 | $20K |
| Aug 20, 2024 | Sweitzer David P | EVP and COO | Option exercise(M) | 23K | $3.83 | $87K |
| Aug 20, 2024 | Sweitzer David P | EVP and COO | Sell(S) | 23K | $8.00 | $181K |
| Aug 20, 2024 | Sweitzer David P | EVP and COO | Option exercise(M) | 23K | — | $0 |
| Aug 16, 2024 | Culpepper Glenn | Director | Option exercise(M) | 10K | — | — |
| Aug 16, 2024 | Culpepper Glenn | Director | Option exercise(M) | 10K | — | $0 |
| Aug 16, 2024 | Tomolonius Sarah | Director | Option exercise(M) | 10K | — | — |
| Aug 16, 2024 | Tomolonius Sarah | Director | Option exercise(M) | 10K | — | $0 |
Insider transactions sourced from SEC EDGAR Form 4 filings, normalized within minutes of acceptance. "Buy"/"Sell" mark open-market transactions (codes P/S), the tradeable signal. Awards, option exercises and tax-withholding are shown with their raw code. All data is public domain.
Programmatic access via the Arkolith API & MCP server (insider.transactions, insider.company).