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 |
|---|---|---|---|---|---|---|
| Jun 16, 2026 | Stergiou Angelos M. | President and CEO, Director | Grant(A) | 1.1M | — | $0 |
| Jan 7, 2026 | Wasman Jane | Director | Grant(A) | 50K | — | $0 |
| Jan 7, 2026 | Kalin Katherine Bach | Director | Grant(A) | 50K | — | $0 |
| Jan 7, 2026 | Burns John Thomas | CFO | Grant(A) | 300K | — | $0 |
| Jan 7, 2026 | Cicic Dragan | SVP, Chief Development Officer | Grant(A) | 300K | — | $0 |
| Jan 7, 2026 | Scheinberg David A | Director | Grant(A) | 50K | — | $0 |
| Jan 7, 2026 | Van Nostrand Robert L | Director | Grant(A) | 50K | — | $0 |
| Jan 7, 2026 | Varian John | Director | Grant(A) | 50K | — | $0 |
| Dec 3, 2025 | Stergiou Angelos M. | President and CEO, Director | Other(J) | 187K | $1.50 | $281K |
| Dec 3, 2025 | Burns John Thomas | CFO | Other(J) | 59K | $1.50 | $88K |
| Dec 3, 2025 | Cicic Dragan | SVP, Chief Development Officer | Other(J) | 64K | $1.50 | $96K |
| Nov 19, 2025 | Kalin Katherine Bach | Director | Buy(P) | 63K | $1.59 | $101K |
| Jun 12, 2025 | Van Nostrand Robert L | Director | Buy(P) | 10K | $1.48 | $15K |
| May 30, 2025 | Wasman Jane | Director | Buy(P) | 20K | $1.69 | $34K |
| May 22, 2025 | Kalin Katherine Bach | Director | Buy(P) | 20K | $1.80 | $36K |
| Jan 10, 2025 | Cicic Dragan | SVP, Chief Development Officer | Grant(A) | 81K | — | $0 |
| Jan 10, 2025 | Cicic Dragan | SVP, Chief Development Officer | Grant(A) | 113K | — | $0 |
| Jan 10, 2025 | Cicic Dragan | SVP, Chief Development Officer | Grant(A) | 170K | — | $0 |
| Jan 10, 2025 | Varian John | Director | Grant(A) | 13K | — | $0 |
| Jan 10, 2025 | Varian John | Director | Grant(A) | 19K | — | $0 |
| Jan 10, 2025 | Kalin Katherine Bach | Director | Grant(A) | 13K | — | $0 |
| Jan 10, 2025 | Kalin Katherine Bach | Director | Grant(A) | 19K | — | $0 |
| Jan 10, 2025 | Van Nostrand Robert L | Director | Grant(A) | 13K | — | $0 |
| Jan 10, 2025 | Van Nostrand Robert L | Director | Grant(A) | 19K | — | $0 |
| Jan 10, 2025 | Wasman Jane | Director | Grant(A) | 13K | — | $0 |
| Jan 10, 2025 | Wasman Jane | Director | Grant(A) | 19K | — | $0 |
| Jan 10, 2025 | Scheinberg David A | Director | Grant(A) | 13K | — | $0 |
| Jan 10, 2025 | Scheinberg David A | Director | Grant(A) | 19K | — | $0 |
| Jan 10, 2025 | Stergiou Angelos M. | President and CEO, Director | Grant(A) | 244K | — | $0 |
| Jan 10, 2025 | Stergiou Angelos M. | President and CEO, Director | Grant(A) | 257K | — | $0 |
| Jan 10, 2025 | Stergiou Angelos M. | President and CEO, Director | Grant(A) | 386K | — | $0 |
| Jan 10, 2025 | Burns John Thomas | CFO | Grant(A) | 113K | — | $0 |
| Jan 10, 2025 | Burns John Thomas | CFO | Grant(A) | 81K | — | $0 |
| Jan 10, 2025 | Burns John Thomas | CFO | Grant(A) | 170K | — | $0 |
| Dec 4, 2024 | Burns John Thomas | CFO | Other(J) | 7K | $1.13 | $8K |
| Dec 4, 2024 | Stergiou Angelos M. | President and CEO, Director | Other(J) | 28K | $1.13 | $32K |
| Dec 4, 2024 | Cicic Dragan | SVP, Chief Development Officer | Other(J) | 8K | $1.13 | $9K |
| Jan 22, 2024 | Burns John Thomas | CFO | Grant(A) | 47K | — | $0 |
| Jan 22, 2024 | Burns John Thomas | CFO | Grant(A) | 75K | — | $0 |
| Jan 22, 2024 | Van Nostrand Robert L | Director | Grant(A) | 6K | — | $0 |
| Jan 22, 2024 | Van Nostrand Robert L | Director | Grant(A) | 10K | — | $0 |
| Jan 22, 2024 | Varian John | Director | Grant(A) | 6K | — | $0 |
| Jan 22, 2024 | Varian John | Director | Grant(A) | 10K | — | $0 |
| Jan 22, 2024 | Francomano Robert | Chief Commercial Officer | Grant(A) | 20K | — | $0 |
| Jan 22, 2024 | Francomano Robert | Chief Commercial Officer | Grant(A) | 30K | — | $0 |
| Jan 22, 2024 | Wasman Jane | Director | Grant(A) | 6K | — | $0 |
| Jan 22, 2024 | Wasman Jane | Director | Grant(A) | 10K | — | $0 |
| Jan 22, 2024 | Kalin Katherine Bach | Director | Grant(A) | 6K | — | $0 |
| Jan 22, 2024 | Kalin Katherine Bach | Director | Grant(A) | 10K | — | $0 |
| Jan 22, 2024 | Wood Barbara A | EVP, Gen. Counsel, Corp. Sec. | Grant(A) | 35K | — | $0 |
| Jan 22, 2024 | Wood Barbara A | EVP, Gen. Counsel, Corp. Sec. | Grant(A) | 50K | — | $0 |
| Jan 22, 2024 | Scheinberg David A | Director | Grant(A) | 6K | — | $0 |
| Jan 22, 2024 | Scheinberg David A | Director | Grant(A) | 10K | — | $0 |
| Jan 22, 2024 | Stergiou Angelos M. | President and CEO, Director | Grant(A) | 159K | — | $0 |
| Jan 22, 2024 | Stergiou Angelos M. | President and CEO, Director | Grant(A) | 239K | — | $0 |
| Dec 6, 2023 | Burns John Thomas | CFO | Other(J) | 3K | $1.08 | $3K |
| Dec 6, 2023 | Francomano Robert | Chief Commercial Officer | Other(J) | 1K | $1.08 | $1K |
| Dec 6, 2023 | Stergiou Angelos M. | President and CEO, Director | Other(J) | 12K | $1.08 | $13K |
| Dec 6, 2023 | Wood Barbara A | EVP, Gen. Counsel, Corp. Sec. | Other(J) | 4K | $1.08 | $4K |
| Feb 2, 2023 | Burns John Thomas | CFO | Grant(A) | 20K | — | $0 |
| Feb 2, 2023 | Kalin Katherine Bach | Director | Grant(A) | 3K | — | $0 |
| Feb 2, 2023 | Kalin Katherine Bach | Director | Grant(A) | 10K | — | $0 |
| Feb 2, 2023 | Scheinberg David A | Director | Grant(A) | 3K | — | $0 |
| Feb 2, 2023 | Scheinberg David A | Director | Grant(A) | 10K | — | $0 |
| Feb 2, 2023 | Van Nostrand Robert L | Director | Grant(A) | 3K | — | $0 |
| Feb 2, 2023 | Van Nostrand Robert L | Director | Grant(A) | 10K | — | $0 |
| Feb 2, 2023 | Wasman Jane | Director | Grant(A) | 3K | — | $0 |
| Feb 2, 2023 | Wasman Jane | Director | Grant(A) | 10K | — | $0 |
| Feb 2, 2023 | Varian John | Director | Grant(A) | 3K | — | $0 |
| Feb 2, 2023 | Varian John | Director | Grant(A) | 10K | — | $0 |
| Feb 2, 2023 | Francomano Robert | Chief Commercial Officer | Grant(A) | 12K | — | $0 |
| Feb 2, 2023 | Francomano Robert | Chief Commercial Officer | Grant(A) | 45K | — | $0 |
| Feb 2, 2023 | Stergiou Angelos M. | President and CEO, Director | Grant(A) | 58K | — | $0 |
| Feb 2, 2023 | Stergiou Angelos M. | President and CEO, Director | Grant(A) | 218K | — | $0 |
| Feb 2, 2023 | Burns John Thomas | CFO | Grant(A) | 75K | — | $0 |
| Feb 2, 2023 | Wood Barbara A | EVP, Gen. Counsel, Corp. Sec. | Grant(A) | 20K | — | $0 |
| Feb 2, 2023 | Wood Barbara A | EVP, Gen. Counsel, Corp. Sec. | Grant(A) | 80K | — | $0 |
| Dec 5, 2022 | Wood Barbara A | EVP, Gen. Counsel, Corp. Sec. | Sell(S) | 2K | $2.59 | $6K |
| Dec 5, 2022 | Burns John Thomas | Senior VP, Finance & CAO | Sell(S) | 1K | $2.59 | $3K |
| Dec 5, 2022 | Stergiou Angelos M. | President and CEO, Director | Sell(S) | 6K | $2.61 | $17K |
| Aug 13, 2022 | Kalin Katherine Bach | Director | Grant(A) | 19K | — | $0 |
| Mar 14, 2022 | Francomano Robert | Chief Commercial Officer | Grant(A) | 100K | — | $0 |
| Jan 31, 2022 | Burns John Thomas | Senior VP, Finance & CAO | Grant(A) | 10K | — | $0 |
| Jan 31, 2022 | Burns John Thomas | Senior VP, Finance & CAO | Grant(A) | 36K | — | $0 |
| Jan 31, 2022 | Scheinberg David A | Director | Grant(A) | 2K | — | $0 |
| Jan 31, 2022 | Scheinberg David A | Director | Grant(A) | 7K | — | $0 |
| Jan 31, 2022 | Stergiou Angelos M. | President and CEO, Director | Grant(A) | 44K | — | $0 |
| Jan 31, 2022 | Stergiou Angelos M. | President and CEO, Director | Grant(A) | 165K | — | $0 |
| Jan 31, 2022 | Van Nostrand Robert L | Director | Grant(A) | 2K | — | $0 |
| Jan 31, 2022 | Van Nostrand Robert L | Director | Grant(A) | 7K | — | $0 |
| Jan 31, 2022 | Varian John | Director | Grant(A) | 2K | — | $0 |
| Jan 31, 2022 | Varian John | Director | Grant(A) | 7K | — | $0 |
| Jan 31, 2022 | Wasman Jane | Director | Grant(A) | 2K | — | $0 |
| Jan 31, 2022 | Wasman Jane | Director | Grant(A) | 7K | — | $0 |
| Jan 31, 2022 | Wood Barbara A | EVP, Gen. Counsel, Corp. Sec. | Grant(A) | 13K | — | $0 |
| Jan 31, 2022 | Wood Barbara A | EVP, Gen. Counsel, Corp. Sec. | Grant(A) | 49K | — | $0 |
| Dec 2, 2021 | Burns John Thomas | VP, Finance & Corp Controller | Sell(S) | 231 | $6.27 | $1K |
| Dec 2, 2021 | Wood Barbara A | EVP, Gen. Counsel, Corp. Sec. | Sell(S) | 847 | $6.25 | $5K |
| Dec 2, 2021 | Stergiou Angelos M. | President and CEO, Director | Sell(S) | 2K | $6.25 | $13K |
| Mar 4, 2021 | Stergiou Angelos M. | President and CEO, Director | Grant(A) | 20K | — | $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.
Coverage: Form 4 filings indexed 2019-12-30 → 2026-08-06. Earlier history is backfilling; this window widens as it deepens.
Programmatic access via the Arkolith API & MCP server (insider.transactions, insider.company).
Connected pages for SLS