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 30, 2026 | Christianson Mark | Market Development Director | Sell(S) | 10K | $3.18 | $32K |
| Apr 3, 2026 | Andrle Edward | Director | Grant(A) | 42K | — | $0 |
| Apr 3, 2026 | Andrle Edward | Director | Grant(A) | 26K | — | $0 |
| Apr 3, 2026 | Buckman Paul | Director | Grant(A) | 42K | — | $0 |
| Apr 3, 2026 | Buckman Paul | Director | Grant(A) | 26K | — | $0 |
| Apr 3, 2026 | Mathiesen Jeffrey S | Director | Grant(A) | 42K | — | $0 |
| Apr 3, 2026 | Mathiesen Jeffrey S | Director | Grant(A) | 26K | — | $0 |
| Apr 3, 2026 | Mills Jason Richard | Director | Grant(A) | 42K | — | $0 |
| Apr 3, 2026 | Mills Jason Richard | Director | Grant(A) | 26K | — | $0 |
| Mar 31, 2026 | Christianson Mark | Business Development Director | Tax withholding(F) | 253 | $0.78 | $197 |
| Mar 31, 2026 | Mertens Steve | Chief Technology Officer | Tax withholding(F) | 906 | $0.78 | $704 |
| Mar 31, 2026 | Rosa David A | CEO and President, Director | Tax withholding(F) | 2K | $0.78 | $2K |
| Mar 30, 2026 | Christianson Mark | Business Development Director | Sell(S) | 15K | $0.74 | $11K |
| Mar 13, 2026 | Christianson Mark | Business Development Director | Sell(S) | 100 | $0.80 | $80 |
| Mar 12, 2026 | Christianson Mark | Business Development Director | Sell(S) | 817 | $0.80 | $654 |
| Mar 11, 2026 | Christianson Mark | Business Development Director | Sell(S) | 2K | $0.80 | $2K |
| Mar 10, 2026 | Christianson Mark | Business Development Director | Sell(S) | 12K | $0.80 | $9K |
| Mar 1, 2026 | Wambeke David J. | Chief Business Officer | Buy(P) | 1.0M | $0.67 | $670K |
| Mar 1, 2026 | Wambeke David J. | Chief Business Officer | Grant(A) | 500K | — | $0 |
| Feb 18, 2026 | Rosa David A | CEO and President, Director | Tax withholding(F) | 71K | $0.68 | $49K |
| Feb 18, 2026 | Christianson Mark | Business Development Director | Tax withholding(F) | 2K | $0.68 | $1K |
| Feb 18, 2026 | Mertens Steve | Chief Technology Officer | Tax withholding(F) | 7K | $0.68 | $5K |
| Dec 31, 2025 | Rosa David A | CEO and President, Director | Tax withholding(F) | 2K | $0.76 | $2K |
| Dec 31, 2025 | Christianson Mark | Business Development Director | Tax withholding(F) | 253 | $0.76 | $192 |
| Dec 31, 2025 | Mertens Steve | Chief Technology Officer | Tax withholding(F) | 906 | $0.76 | $689 |
| Dec 18, 2025 | Mills Jason Richard | Director | Grant(A) | 8K | — | $0 |
| Dec 18, 2025 | Mills Jason Richard | Director | Grant(A) | 5K | — | $0 |
| Sep 30, 2025 | Rosa David A | CEO and President, Director | Tax withholding(F) | 2K | $0.89 | $2K |
| Sep 30, 2025 | Christianson Mark | Business Development Director | Tax withholding(F) | 253 | $0.89 | $225 |
| Sep 30, 2025 | Mertens Steve | Chief Technology Officer | Tax withholding(F) | 906 | $0.89 | $806 |
| Sep 5, 2025 | Christianson Mark | Business Development Director | Sell(S) | 30K | $0.74 | $22K |
| Jun 30, 2025 | Rosa David A | CEO and President, Director | Tax withholding(F) | 2K | $0.68 | $2K |
| Jun 30, 2025 | Mertens Steve | Chief Technology Officer | Tax withholding(F) | 906 | $0.68 | $616 |
| Jun 30, 2025 | Christianson Mark | Business Development Director | Tax withholding(F) | 253 | $0.68 | $172 |
| Jun 23, 2025 | Andrle Edward | Director | Grant(A) | 50K | — | $0 |
| Jun 23, 2025 | Buckman Paul | Director | Grant(A) | 50K | — | $0 |
| Jun 23, 2025 | Mathiesen Jeffrey S | Director | Grant(A) | 50K | — | $0 |
| Jun 4, 2025 | Christianson Mark | Business Development Director | Sell(S) | 10K | $0.58 | $6K |
| Jun 1, 2025 | Johns Emily J. | General Counsel | Grant(A) | 500K | — | $0 |
| May 22, 2025 | Christianson Mark | Business Development Director | Sell(S) | 9K | $0.62 | $6K |
| May 21, 2025 | Christianson Mark | Business Development Director | Sell(S) | 14 | $0.65 | $9 |
| May 20, 2025 | Christianson Mark | Business Development Director | Sell(S) | 3K | $0.66 | $2K |
| May 19, 2025 | Christianson Mark | Business Development Director | Sell(S) | 8K | $0.67 | $5K |
| Apr 17, 2025 | Rosa David A | CEO and President, Director | Grant(A) | 750K | — | $0 |
| Apr 17, 2025 | Christianson Mark | Business Development Director | Grant(A) | 200K | — | $0 |
| Apr 17, 2025 | Mertens Steve | Chief Technology Officer | Grant(A) | 200K | — | $0 |
| Apr 17, 2025 | McClurg Ronald W. | Chief Financial Officer | Grant(A) | 250K | — | $0 |
| Apr 17, 2025 | Volker Christopher | Chief Operating Officer | Grant(A) | 575K | — | $0 |
| Apr 4, 2025 | Rosa David A | CEO and President, Director | Buy(P) | 100K | $0.50 | $50K |
| Apr 4, 2025 | McClurg Ronald W. | Chief Financial Officer | Buy(P) | 200K | $0.50 | $100K |
| Mar 31, 2025 | Rosa David A | CEO and President, Director | Tax withholding(F) | 2K | $0.85 | $2K |
| Mar 31, 2025 | Christianson Mark | Business Development Director | Tax withholding(F) | 253 | $0.85 | $215 |
| Mar 31, 2025 | Mertens Steve | Chief Technology Officer | Tax withholding(F) | 906 | $0.85 | $770 |
| Feb 18, 2025 | Rosa David A | CEO and President, Director | Tax withholding(F) | 71K | $1.16 | $83K |
| Feb 18, 2025 | Christianson Mark | Business Development Director | Tax withholding(F) | 2K | $1.16 | $2K |
| Feb 18, 2025 | Mertens Steve | Chief Technology Officer | Tax withholding(F) | 7K | $1.16 | $9K |
| Feb 14, 2025 | Mathiesen Jeffrey S | Director | Grant(A) | 28K | — | $0 |
| Feb 14, 2025 | Mathiesen Jeffrey S | Director | Grant(A) | 17K | — | $0 |
| Feb 14, 2025 | Buckman Paul | Director | Grant(A) | 28K | — | $0 |
| Feb 14, 2025 | Buckman Paul | Director | Grant(A) | 17K | — | $0 |
| Feb 14, 2025 | Andrle Edward | Director | Grant(A) | 28K | — | $0 |
| Feb 14, 2025 | Andrle Edward | Director | Grant(A) | 17K | — | $0 |
| Jan 31, 2025 | Rosa David A | CEO and President, Director | Tax withholding(F) | 2K | $1.15 | $3K |
| Jan 31, 2025 | Christianson Mark | Business Development Director | Tax withholding(F) | 90 | $1.15 | $104 |
| Jan 31, 2025 | Mertens Steve | Chief Technology Officer | Tax withholding(F) | 252 | $1.15 | $290 |
| Dec 31, 2024 | Rosa David A | CEO and President, Director | Tax withholding(F) | 5K | $0.83 | $4K |
| Dec 31, 2024 | Christianson Mark | Business Development Director | Tax withholding(F) | 343 | $0.83 | $285 |
| Dec 31, 2024 | Mertens Steve | Chief Technology Officer | Tax withholding(F) | 1K | $0.83 | $961 |
| Nov 30, 2024 | Rosa David A | CEO and President, Director | Tax withholding(F) | 2K | $0.62 | $1K |
| Nov 30, 2024 | Christianson Mark | Business Development Director | Tax withholding(F) | 90 | $0.62 | $56 |
| Nov 30, 2024 | Mertens Steve | Chief Technology Officer | Tax withholding(F) | 252 | $0.62 | $156 |
| Oct 31, 2024 | Rosa David A | CEO and President, Director | Tax withholding(F) | 2K | $0.97 | $2K |
| Oct 31, 2024 | Christianson Mark | Business Development Director | Tax withholding(F) | 90 | $0.97 | $87 |
| Oct 31, 2024 | Mertens Steve | Chief Technology Officer | Tax withholding(F) | 252 | $0.97 | $244 |
| Sep 30, 2024 | Rosa David A | CEO and President, Director | Tax withholding(F) | 5K | $0.99 | $5K |
| Sep 30, 2024 | Christianson Mark | Business Development Director | Tax withholding(F) | 343 | $0.99 | $340 |
| Sep 30, 2024 | Mertens Steve | Chief Technology Officer | Tax withholding(F) | 1K | $0.99 | $1K |
| Aug 31, 2024 | Rosa David A | CEO and President, Director | Tax withholding(F) | 2K | $0.80 | $2K |
| Aug 31, 2024 | Christianson Mark | Business Development Director | Tax withholding(F) | 90 | $0.80 | $72 |
| Aug 31, 2024 | Mertens Steve | Chief Technology Officer | Tax withholding(F) | 252 | $0.80 | $202 |
| Aug 1, 2024 | Buckman Paul | Director | Grant(A) | 28K | $0.81 | $23K |
| Aug 1, 2024 | Buckman Paul | Director | Grant(A) | 21K | $0.13 | $3K |
| Jul 31, 2024 | Rosa David A | CEO and President, Director | Tax withholding(F) | 2K | $0.75 | $2K |
| Jul 31, 2024 | Christianson Mark | Business Development Director | Tax withholding(F) | 90 | $0.75 | $68 |
| Jul 31, 2024 | Mertens Steve | Chief Technology Officer | Tax withholding(F) | 252 | $0.75 | $189 |
| Jun 30, 2024 | Rosa David A | CEO and President, Director | Tax withholding(F) | 5K | $0.80 | $4K |
| Jun 30, 2024 | Christianson Mark | Business Development Director | Tax withholding(F) | 343 | $0.80 | $274 |
| Jun 30, 2024 | Mertens Steve | Chief Technology Officer | Tax withholding(F) | 1K | $0.80 | $926 |
| Jun 6, 2024 | Christianson Mark | Business Development Director | Sell(S) | 2K | $0.88 | $2K |
| Jun 5, 2024 | Christianson Mark | Business Development Director | Sell(S) | 26K | $0.88 | $23K |
| May 31, 2024 | Rosa David A | CEO and President, Director | Tax withholding(F) | 2K | $0.93 | $2K |
| May 31, 2024 | Christianson Mark | Business Development Director | Tax withholding(F) | 90 | $0.93 | $84 |
| May 31, 2024 | Mertens Steve | Chief Technology Officer | Tax withholding(F) | 252 | $0.93 | $234 |
| Apr 30, 2024 | Rosa David A | CEO and President, Director | Tax withholding(F) | 2K | $1.13 | $3K |
| Apr 30, 2024 | Christianson Mark | Business Development Director | Tax withholding(F) | 90 | $1.13 | $102 |
| Apr 30, 2024 | Mertens Steve | Chief Technology Officer | Tax withholding(F) | 252 | $1.13 | $285 |
| Apr 21, 2024 | Rosa David A | CEO and President, Director | Tax withholding(F) | 20K | $1.15 | $23K |
| Apr 21, 2024 | Christianson Mark | Business Development Director | Tax withholding(F) | 2K | $1.15 | $2K |
| Apr 21, 2024 | Mertens Steve | Chief Technology Officer | Tax withholding(F) | 7K | $1.15 | $8K |
| Mar 31, 2024 | Rosa David A | CEO and President, Director | Tax withholding(F) | 2K | $1.20 | $3K |
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 2021-03-29 → 2026-07-11. Earlier history is backfilling; this window widens as it deepens.
Programmatic access via the Arkolith API & MCP server (insider.transactions, insider.company).