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 |
|---|---|---|---|---|---|---|
| Aug 28, 2026 | Cox Matthew J | Chairman & CEO, Director | Sell(S) | 6K | $223.22 | $1.4M |
| Aug 28, 2026 | Cox Matthew J | Chairman & CEO, Director | Sell(S) | 3K | $223.91 | $771K |
| Aug 28, 2026 | Cox Matthew J | Chairman & CEO, Director | Sell(S) | 442 | $225.05 | $99K |
| Aug 24, 2026 | Angoco Vic S Jr | Executive Vice President | Sell(S) | 1K | $221.98 | $231K |
| Aug 24, 2026 | Angoco Vic S Jr | Executive Vice President | Sell(S) | 670 | $222.81 | $149K |
| Aug 24, 2026 | Angoco Vic S Jr | Executive Vice President | Sell(S) | 582 | $224.09 | $130K |
| Aug 19, 2026 | Scott Christopher A | EVP & Chief Commercial Officer | Sell(S) | 600 | $219.90 | $132K |
| Aug 19, 2026 | Heilmann Peter T | EVP, Chief Admin. Officer & GC | Sell(S) | 5K | $220.15 | $1.1M |
| Aug 13, 2026 | Taylor Jason Lee | Senior Vice President | Sell(S) | 2K | $217.00 | $426K |
| Aug 11, 2026 | Tungul Jennifer C. | Senior Vice President | Sell(S) | 402 | $208.49 | $84K |
| Aug 11, 2026 | Park Kuuhaku T | Senior Vice President | Sell(S) | 1K | $208.49 | $208K |
| Aug 11, 2026 | Isotoff Leonard P | Senior Vice President | Sell(S) | 1K | $208.30 | $260K |
| Aug 11, 2026 | Sullivan John Warren | Senior Vice President | Sell(S) | 2K | $208.49 | $400K |
| Jul 29, 2026 | Cox Matthew J | Chairman & CEO, Director | Sell(S) | 7K | $199.81 | $1.5M |
| Jul 29, 2026 | Cox Matthew J | Chairman & CEO, Director | Sell(S) | 1K | $198.61 | $233K |
| Jul 29, 2026 | Cox Matthew J | Chairman & CEO, Director | Sell(S) | 1K | $200.56 | $233K |
| Jul 29, 2026 | Cox Matthew J | Chairman & CEO, Director | Sell(S) | 348 | $201.43 | $70K |
| Jul 1, 2026 | Scott Christopher A | EVP & Chief Commercial Officer | Grant(A) | 246 | — | $0 |
| Jul 1, 2026 | Holland Jerome James | EVP | Tax withholding(F) | 64 | $203.92 | $13K |
| Jun 29, 2026 | Cox Matthew J | Chairman & CEO, Director | Sell(S) | 4K | $193.65 | $813K |
| Jun 29, 2026 | Cox Matthew J | Chairman & CEO, Director | Sell(S) | 3K | $192.89 | $589K |
| Jun 29, 2026 | Cox Matthew J | Chairman & CEO, Director | Sell(S) | 3K | $191.81 | $527K |
| Jun 9, 2026 | Kuriyama Stanley M | Director | Gift(G) | 2K | — | $0 |
| Jun 8, 2026 | Rascon Laura L | Senior Vice President | Sell(S) | 100 | $190.75 | $19K |
| Jun 8, 2026 | Rascon Laura L | Senior Vice President | Sell(S) | 120 | $186.03 | $22K |
| Jun 8, 2026 | Rascon Laura L | Senior Vice President | Sell(S) | 550 | $190.12 | $105K |
| Jun 8, 2026 | Rascon Laura L | Senior Vice President | Sell(S) | 850 | $187.53 | $159K |
| Jun 8, 2026 | Rascon Laura L | Senior Vice President | Sell(S) | 1K | $188.58 | $223K |
| Jun 8, 2026 | Cox Matthew J | Chairman & CEO, Director | Sell(S) | 147 | $186.13 | $27K |
| Jun 8, 2026 | Cox Matthew J | Chairman & CEO, Director | Sell(S) | 935 | $189.35 | $177K |
| Jun 8, 2026 | Cox Matthew J | Chairman & CEO, Director | Sell(S) | 1K | $188.44 | $247K |
| Jun 8, 2026 | Cox Matthew J | Chairman & CEO, Director | Sell(S) | 1K | $191.10 | $278K |
| Jun 8, 2026 | Cox Matthew J | Chairman & CEO, Director | Sell(S) | 6K | $190.39 | $1.2M |
| May 28, 2026 | Cerocke Grace M | Senior Vice President | Sell(S) | 1K | $183.57 | $220K |
| May 20, 2026 | Scott Christopher A | Senior Vice President | Sell(S) | 2K | $181.05 | $275K |
| May 14, 2026 | Taylor Jason Lee | Senior Vice President | Sell(S) | 2K | $182.24 | $301K |
| May 14, 2026 | Rascon Laura L | Senior Vice President | Sell(S) | 540 | $180.83 | $98K |
| May 12, 2026 | Heilmann Peter T | EVP, Chief Admin. Officer & GC | Sell(S) | 7K | $180.19 | $1.3M |
| May 12, 2026 | Park Kuuhaku T | Senior Vice President | Sell(S) | 3K | $180.19 | $450K |
| May 8, 2026 | Tilden Bradley D | Director | Sell(S) | 2K | $181.85 | $290K |
| May 8, 2026 | Scott Christopher A | Senior Vice President | Sell(S) | 3K | $180.14 | $595K |
| May 8, 2026 | Sullivan John Warren | Senior Vice President | Sell(S) | 3K | $180.14 | $600K |
| Apr 23, 2026 | Wall Jenai S | Director | Grant(A) | 969 | — | $0 |
| Apr 23, 2026 | Tilden Bradley D | Director | Grant(A) | 969 | — | $0 |
| Apr 23, 2026 | Lau Constance H | Director | Grant(A) | 969 | — | $0 |
| Apr 23, 2026 | Fukunaga Mark H | Director | Grant(A) | 969 | — | $0 |
| Apr 23, 2026 | Kuriyama Stanley M | Director | Grant(A) | 969 | — | $0 |
| Apr 23, 2026 | Ching Meredith J | Director | Grant(A) | 969 | — | $0 |
| Mar 11, 2026 | Scott Christopher A | Senior Vice President | Sell(S) | 3K | $155.00 | $389K |
| Mar 9, 2026 | Sullivan John Warren | Senior Vice President | Sell(S) | 3K | $148.67 | $484K |
| Mar 9, 2026 | Tungul Jennifer C. | Senior Vice President | Sell(S) | 654 | $152.99 | $100K |
| Mar 5, 2026 | Lauer John P | EVP & Chief Commercial Officer | Sell(S) | 9K | $166.13 | $1.4M |
| Mar 3, 2026 | Heilmann Peter T | EVP, Chief Admin. Officer & GC | Sell(S) | 13K | $165.46 | $2.2M |
| Mar 3, 2026 | Stuck Kevin L | VP and Controller | Sell(S) | 3K | $167.08 | $422K |
| Mar 3, 2026 | Taylor Jason Lee | Senior Vice President | Sell(S) | 3K | $165.70 | $501K |
| Mar 3, 2026 | Park Kuuhaku T | Senior Vice President | Sell(S) | 2K | $169.79 | $340K |
| Mar 3, 2026 | Wine Joel M | EVP & CFO | Gift(G) | 5K | — | $0 |
| Mar 3, 2026 | Rascon Laura L | Senior Vice President | Sell(S) | 1K | $169.34 | $169K |
| Mar 3, 2026 | Angoco Vic S Jr | Executive Vice President | Sell(S) | 6K | $165.31 | $1.0M |
| Mar 3, 2026 | Isotoff Leonard P | Senior Vice President | Sell(S) | 2K | $165.32 | $248K |
| Mar 3, 2026 | Kinney Richard S | Senior Vice President | Sell(S) | 5K | $165.32 | $864K |
| Jan 25, 2026 | Angoco Vic S Jr | Executive Vice President | Tax withholding(F) | 5K | $158.94 | $811K |
| Jan 25, 2026 | Angoco Vic S Jr | Executive Vice President | Tax withholding(F) | 673 | $158.94 | $107K |
| Jan 25, 2026 | Angoco Vic S Jr | Executive Vice President | Grant(A) | 10K | — | $0 |
| Jan 25, 2026 | Cerocke Grace M | Senior Vice President | Tax withholding(F) | 3K | $158.94 | $498K |
| Jan 25, 2026 | Cerocke Grace M | Senior Vice President | Tax withholding(F) | 410 | $158.94 | $65K |
| Jan 25, 2026 | Cerocke Grace M | Senior Vice President | Grant(A) | 7K | — | $0 |
| Jan 25, 2026 | Cox Matthew J | Chairman & CEO, Director | Tax withholding(F) | 29K | $158.94 | $4.7M |
| Jan 25, 2026 | Cox Matthew J | Chairman & CEO, Director | Tax withholding(F) | 4K | $158.94 | $619K |
| Jan 25, 2026 | Cox Matthew J | Chairman & CEO, Director | Grant(A) | 60K | — | $0 |
| Jan 25, 2026 | Gao Qiang | Senior Vice President | Grant(A) | 7K | — | $0 |
| Jan 25, 2026 | Gao Qiang | Senior Vice President | Tax withholding(F) | 471 | $158.94 | $75K |
| Jan 25, 2026 | Gao Qiang | Senior Vice President | Tax withholding(F) | 4K | $158.94 | $570K |
| Jan 25, 2026 | Heilmann Peter T | EVP, Chief Admin. Officer & GC | Tax withholding(F) | 7K | $158.94 | $1.1M |
| Jan 25, 2026 | Heilmann Peter T | EVP, Chief Admin. Officer & GC | Grant(A) | 14K | — | $0 |
| Jan 25, 2026 | Heilmann Peter T | EVP, Chief Admin. Officer & GC | Tax withholding(F) | 942 | $158.94 | $150K |
| Jan 25, 2026 | Holland Jerome James | EVP | Tax withholding(F) | 565 | $158.94 | $90K |
| Jan 25, 2026 | Holland Jerome James | EVP | Tax withholding(F) | 199 | $158.94 | $32K |
| Jan 25, 2026 | Holland Jerome James | EVP | Grant(A) | 1K | — | $0 |
| Jan 25, 2026 | Isotoff Leonard P | Senior Vice President | Grant(A) | 7K | — | $0 |
| Jan 25, 2026 | Isotoff Leonard P | Senior Vice President | Tax withholding(F) | 3K | $158.94 | $530K |
| Jan 25, 2026 | Isotoff Leonard P | Senior Vice President | Tax withholding(F) | 438 | $158.94 | $70K |
| Jan 25, 2026 | Kinney Richard S | Senior Vice President | Tax withholding(F) | 471 | $158.94 | $75K |
| Jan 25, 2026 | Kinney Richard S | Senior Vice President | Grant(A) | 7K | — | $0 |
| Jan 25, 2026 | Kinney Richard S | Senior Vice President | Tax withholding(F) | 4K | $158.94 | $570K |
| Jan 25, 2026 | Lauer John P | EVP & Chief Commercial Officer | Tax withholding(F) | 942 | $158.94 | $150K |
| Jan 25, 2026 | Lauer John P | EVP & Chief Commercial Officer | Tax withholding(F) | 7K | $158.94 | $1.1M |
| Jan 25, 2026 | Lauer John P | EVP & Chief Commercial Officer | Grant(A) | 14K | — | $0 |
| Jan 25, 2026 | Park Kuuhaku T | Senior Vice President | Grant(A) | 7K | — | $0 |
| Jan 25, 2026 | Park Kuuhaku T | Senior Vice President | Tax withholding(F) | 3K | $158.94 | $530K |
| Jan 25, 2026 | Park Kuuhaku T | Senior Vice President | Tax withholding(F) | 438 | $158.94 | $70K |
| Jan 25, 2026 | Rascon Laura L | Senior Vice President | Tax withholding(F) | 387 | $158.94 | $62K |
| Jan 25, 2026 | Rascon Laura L | Senior Vice President | Tax withholding(F) | 2K | $158.94 | $321K |
| Jan 25, 2026 | Rascon Laura L | Senior Vice President | Grant(A) | 7K | — | $0 |
| Jan 25, 2026 | Scott Christopher A | Senior Vice President | Tax withholding(F) | 4K | $158.94 | $570K |
| Jan 25, 2026 | Scott Christopher A | Senior Vice President | Tax withholding(F) | 471 | $158.94 | $75K |
| Jan 25, 2026 | Scott Christopher A | Senior Vice President | Grant(A) | 7K | — | $0 |
| Jan 25, 2026 | Stuck Kevin L | VP and Controller | Grant(A) | 3K | — | $0 |
| Jan 25, 2026 | Stuck Kevin L | VP and Controller | Tax withholding(F) | 2K | $158.94 | $291K |
| Jan 25, 2026 | Stuck Kevin L | VP and Controller | Tax withholding(F) | 444 | $158.94 | $71K |
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 2006-01-02 → 2026-08-29. 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 MATX