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 22, 2026 | Leahy Natalya | CEO | Tax withholding(F) | 10K | — | $0 |
| Jun 17, 2026 | Bisnow Michael Elliott | Director | Sell(S) | 45K | $24.21 | $1.1M |
| Jun 4, 2026 | Dryden L. Dyson | Director | Sell(S) | 40K | $22.04 | $880K |
| May 29, 2026 | Ein Mark | Director | Other(J) | 300K | — | — |
| May 29, 2026 | Dryden L. Dyson | Director | Sell(S) | 53K | $23.09 | $1.2M |
| May 21, 2026 | Fahey John M JR | Director | Sell(S) | 2K | $20.26 | $41K |
| May 21, 2026 | Byus Trey | Chief Expedition Officer | Sell(S) | 10K | $20.05 | $201K |
| May 14, 2026 | Fahey John M JR | Director | Sell(S) | 1K | $19.40 | $19K |
| May 12, 2026 | Fahey John M JR | Director | Sell(S) | 1K | $19.40 | $19K |
| May 11, 2026 | Fahey John M JR | Director | Sell(S) | 4K | $20.04 | $70K |
| May 11, 2026 | Byus Trey | Chief Expedition Officer | Sell(S) | 26K | $20.23 | $535K |
| May 8, 2026 | Ein Mark | Director | Other(J) | 1.0M | — | — |
| Apr 28, 2026 | Taylor Keith A | Chief Maritime Officer | Tax withholding(F) | 2K | $17.86 | $36K |
| Apr 11, 2026 | Bressler Benjamin | *Founder & CEO of NHA | Tax withholding(F) | 2K | $19.22 | $35K |
| Mar 31, 2026 | Taylor Keith A | Chief Maritime Officer | Grant(A) | 9K | — | $0 |
| Mar 31, 2026 | Byus Trey | Chief Expedition Officer | Tax withholding(F) | 5K | $17.30 | $90K |
| Mar 31, 2026 | Byus Trey | Chief Expedition Officer | Grant(A) | 14K | — | $0 |
| Mar 31, 2026 | Goldberg Frederick | Chief Financial Officer | Tax withholding(F) | 9K | — | $0 |
| Mar 31, 2026 | Goldberg Frederick | Chief Financial Officer | Grant(A) | 11K | — | $0 |
| Mar 31, 2026 | Leahy Natalya | CEO | Tax withholding(F) | 24K | — | $0 |
| Mar 31, 2026 | Leahy Natalya | CEO | Grant(A) | 14K | — | $0 |
| Mar 31, 2026 | Byus Trey | Chief Expedition Officer | Tax withholding(F) | 5K | — | $0 |
| Mar 31, 2026 | Byus Trey | Chief Expedition Officer | Grant(A) | 7K | — | $0 |
| Mar 31, 2026 | Bressler Benjamin | *Founder & CEO of NHA | Tax withholding(F) | 2K | — | $0 |
| Mar 31, 2026 | Bressler Benjamin | *Founder & CEO of NHA | Grant(A) | 6K | — | $0 |
| Mar 29, 2026 | Byus Trey | Chief Expedition Officer | Tax withholding(F) | 2K | — | $0 |
| Mar 18, 2026 | Lindblad Sven-Olof | Director, 10% Owner | Gift(G) | 100K | — | $0 |
| Mar 16, 2026 | Bressler Benjamin | *Founder & CEO of NHA | Tax withholding(F) | 107K | $16.93 | $1.8M |
| Mar 15, 2026 | Bressler Benjamin | *Founder & CEO of NHA | Grant(A) | 244K | — | $0 |
| Mar 10, 2026 | Fahey John M JR | Director | Sell(S) | 8K | $17.66 | $137K |
| Mar 10, 2026 | Bressler Benjamin | *Founder & CEO of NHA | Grant(A) | 772K | — | $0 |
| Mar 9, 2026 | Smith, Jr. Thomas S. | Director | Sell(S) | 56K | $17.57 | $984K |
| Feb 7, 2026 | Leahy Natalya | CEO | Tax withholding(F) | 12K | $20.04 | $237K |
| Feb 5, 2026 | Bressler Benjamin | *Founder & CEO of NHA | Sell(S) | 41K | $18.08 | $741K |
| Feb 5, 2026 | Bressler Benjamin | *Founder & CEO of NHA | Option exercise(M) | 41K | — | $0 |
| Feb 5, 2026 | Bressler Benjamin | *Founder & CEO of NHA | Option exercise(M) | 41K | — | $0 |
| Feb 4, 2026 | Bressler Benjamin | *Founder & CEO of NHA | Option exercise(M) | 181K | — | $0 |
| Feb 4, 2026 | Bressler Benjamin | *Founder & CEO of NHA | Sell(S) | 181K | $18.04 | $3.3M |
| Feb 4, 2026 | Bressler Benjamin | *Founder & CEO of NHA | Option exercise(M) | 181K | — | $0 |
| Feb 4, 2026 | Lindblad Sven-Olof | Director, 10% Owner | Sell(S) | 28K | $17.61 | $493K |
| Feb 3, 2026 | Lindblad Sven-Olof | Director, 10% Owner | Sell(S) | 127K | $17.38 | $2.2M |
| Feb 2, 2026 | Bressler Benjamin | *Founder & CEO of NHA | Sell(S) | 87K | $17.08 | $1.5M |
| Feb 2, 2026 | Bressler Benjamin | *Founder & CEO of NHA | Option exercise(M) | 87K | — | $0 |
| Feb 2, 2026 | Bressler Benjamin | *Founder & CEO of NHA | Option exercise(M) | 87K | — | $0 |
| Feb 2, 2026 | Lindblad Sven-Olof | Director, 10% Owner | Sell(S) | 115K | $17.18 | $2.0M |
| Feb 2, 2026 | Lindblad Sven-Olof | Director, 10% Owner | Sell(S) | 119K | $17.35 | $2.1M |
| Jan 30, 2026 | Lindblad Sven-Olof | Director, 10% Owner | Sell(S) | 78K | $16.66 | $1.3M |
| Jan 29, 2026 | Bressler Benjamin | *Founder & CEO of NHA | Sell(S) | 33K | $17.02 | $567K |
| Jan 29, 2026 | Bressler Benjamin | *Founder & CEO of NHA | Option exercise(M) | 33K | — | $0 |
| Jan 29, 2026 | Bressler Benjamin | *Founder & CEO of NHA | Option exercise(M) | 33K | $8.44 | $281K |
| Jan 29, 2026 | Lindblad Sven-Olof | Director, 10% Owner | Sell(S) | 105K | $16.84 | $1.8M |
| Jan 28, 2026 | Lindblad Sven-Olof | Director, 10% Owner | Sell(S) | 87K | $16.29 | $1.4M |
| Jan 27, 2026 | Lindblad Sven-Olof | Director, 10% Owner | Sell(S) | 44K | $15.98 | $703K |
| Jan 26, 2026 | Lindblad Sven-Olof | Director, 10% Owner | Sell(S) | 43K | $16.03 | $688K |
| Jan 23, 2026 | Lindblad Sven-Olof | Director, 10% Owner | Sell(S) | 36K | $16.08 | $580K |
| Jan 22, 2026 | Lindblad Sven-Olof | Director, 10% Owner | Sell(S) | 62K | $16.48 | $1.0M |
| Jan 21, 2026 | Lindblad Sven-Olof | Director, 10% Owner | Sell(S) | 75K | $16.03 | $1.2M |
| Jan 20, 2026 | Lindblad Sven-Olof | Director, 10% Owner | Sell(S) | 81K | $15.67 | $1.3M |
| Jan 15, 2026 | Bressler Benjamin | *Founder & CEO of NHA | Sell(S) | 7K | $17.01 | $124K |
| Jan 15, 2026 | Bressler Benjamin | *Founder & CEO of NHA | Option exercise(M) | 7K | — | $0 |
| Jan 15, 2026 | Bressler Benjamin | *Founder & CEO of NHA | Option exercise(M) | 7K | — | $0 |
| Jan 14, 2026 | Bressler Benjamin | *Founder & CEO of NHA | Sell(S) | 94K | $17.08 | $1.6M |
| Jan 14, 2026 | Bressler Benjamin | *Founder & CEO of NHA | Option exercise(M) | 94K | — | $0 |
| Jan 14, 2026 | Bressler Benjamin | *Founder & CEO of NHA | Option exercise(M) | 94K | — | $0 |
| Jan 12, 2026 | Bressler Benjamin | *Founder & CEO of NHA | Sell(S) | 222K | $16.08 | $3.6M |
| Jan 12, 2026 | Bressler Benjamin | *Founder & CEO of NHA | Option exercise(M) | 222K | — | $0 |
| Jan 12, 2026 | Bressler Benjamin | *Founder & CEO of NHA | Option exercise(M) | 222K | — | $0 |
| Jan 9, 2026 | Bressler Benjamin | *Founder & CEO of NHA | Option exercise(M) | 69K | — | $0 |
| Jan 9, 2026 | Bressler Benjamin | *Founder & CEO of NHA | Sell(S) | 69K | $15.03 | $1.0M |
| Jan 9, 2026 | Bressler Benjamin | *Founder & CEO of NHA | Option exercise(M) | 69K | — | $0 |
| Jan 7, 2026 | Bressler Benjamin | *Founder & CEO of NHA | Sell(S) | 30K | $15.04 | $446K |
| Jan 7, 2026 | Bressler Benjamin | *Founder & CEO of NHA | Option exercise(M) | 30K | $8.44 | $250K |
| Jan 7, 2026 | Bressler Benjamin | *Founder & CEO of NHA | Option exercise(M) | 30K | — | $0 |
| Dec 22, 2025 | Bressler Benjamin | *Founder & CEO of NHA | Option exercise(M) | 16K | $8.44 | $136K |
| Dec 22, 2025 | Bressler Benjamin | *Founder & CEO of NHA | Sell(S) | 16K | $15.02 | $242K |
| Dec 22, 2025 | Bressler Benjamin | *Founder & CEO of NHA | Option exercise(M) | 16K | — | $0 |
| Aug 28, 2025 | Bressler Benjamin | *Founder & CEO of NHA | Option exercise(M) | 21K | $8.44 | $178K |
| Aug 28, 2025 | Bressler Benjamin | *Founder & CEO of NHA | Sell(S) | 21K | $15.01 | $317K |
| Aug 28, 2025 | Bressler Benjamin | *Founder & CEO of NHA | Option exercise(M) | 21K | — | $0 |
| Aug 27, 2025 | Bressler Benjamin | *Founder & CEO of NHA | Option exercise(M) | 61K | $8.44 | $519K |
| Aug 27, 2025 | Bressler Benjamin | *Founder & CEO of NHA | Sell(S) | 61K | $15.01 | $923K |
| Aug 27, 2025 | Bressler Benjamin | *Founder & CEO of NHA | Option exercise(M) | 61K | — | $0 |
| Aug 27, 2025 | Byus Trey | Chief Expedition Officer | Sell(S) | 17K | $14.88 | $247K |
| Aug 25, 2025 | Bressler Benjamin | *Founder & CEO of NHA | Sell(S) | 25K | $15.02 | $369K |
| Aug 25, 2025 | Bressler Benjamin | *Founder & CEO of NHA | Option exercise(M) | 25K | $8.44 | $207K |
| Aug 25, 2025 | Bressler Benjamin | *Founder & CEO of NHA | Option exercise(M) | 25K | — | $0 |
| Aug 22, 2025 | Bressler Benjamin | *Founder & CEO of NHA | Sell(S) | 201K | $14.19 | $2.8M |
| Aug 22, 2025 | Bressler Benjamin | *Founder & CEO of NHA | Option exercise(M) | 201K | $8.44 | $1.7M |
| Aug 22, 2025 | Bressler Benjamin | *Founder & CEO of NHA | Option exercise(M) | 201K | — | $0 |
| Aug 20, 2025 | Bressler Benjamin | *Founder & CEO of NHA | Option exercise(M) | 21K | $8.44 | $176K |
| Aug 20, 2025 | Bressler Benjamin | *Founder & CEO of NHA | Sell(S) | 21K | $14.03 | $293K |
| Aug 20, 2025 | Bressler Benjamin | *Founder & CEO of NHA | Option exercise(M) | 21K | — | $0 |
| Aug 19, 2025 | Bressler Benjamin | *Founder & CEO of NHA | Sell(S) | 809 | $14.00 | $11K |
| Aug 19, 2025 | Bressler Benjamin | *Founder & CEO of NHA | Option exercise(M) | 809 | $8.44 | $7K |
| Aug 19, 2025 | Bressler Benjamin | *Founder & CEO of NHA | Option exercise(M) | 809 | — | $0 |
| Aug 8, 2025 | Dryden L. Dyson | Director | Grant(A) | 9K | $12.36 | $110K |
| Aug 8, 2025 | Lindblad Sven-Olof | Director, 10% Owner | Grant(A) | 9K | $12.36 | $110K |
| Aug 8, 2025 | Bisnow Michael Elliott | Director | Grant(A) | 9K | $12.36 | $110K |
| Aug 8, 2025 | Ein Mark | Director | Grant(A) | 9K | $12.36 | $110K |
| Aug 8, 2025 | Fahey John M JR | Director | Grant(A) | 9K | $12.36 | $110K |
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).