# Miami International Holdings, Inc. (MIAX) insider trading, Q3 2026 Canonical: https://sec-api.dev/insider-trading/miax > 66 non-derivative transactions: 0 purchases, 29 sales ($36.0M). CIK 1438472. | Date | Insider | Relationship | Code | Shares | Price | Owned after | Filing | | --- | --- | --- | --- | --- | --- | --- | --- | | 2026-09-25 | Jayabalan Harish | Officer | M | 8333.0 | 12.0 | 86398.0 | https://www.sec.gov/Archives/edgar/data/1438472/000162828026063831/0001628280-26-063831-index.htm | | 2026-09-16 | Brown Shelly | Officer | S | 21217.0 | 38.61 | 316490.0 | https://www.sec.gov/Archives/edgar/data/1438472/000208050626000027/0002080506-26-000027-index.htm | | 2026-09-11 | Brown Shelly | Officer | F | 16283.0 | 42.54 | 337707.0 | https://www.sec.gov/Archives/edgar/data/1438472/000208050626000025/0002080506-26-000025-index.htm | | 2026-09-03 | Gallagher Thomas P. | Director, Officer | M | 47000.0 | 12.0 | 1470275.0 | https://www.sec.gov/Archives/edgar/data/1438472/000208047726000018/0002080477-26-000018-index.htm | | 2026-09-03 | Gallagher Thomas P. | Director, Officer | S | 47000.0 | 42.43 | 1423275.0 | https://www.sec.gov/Archives/edgar/data/1438472/000208047726000018/0002080477-26-000018-index.htm | | 2026-09-03 | Gallagher Thomas P. | Director, Officer | M | 16666.0 | 12.0 | 760605.0 | https://www.sec.gov/Archives/edgar/data/1438472/000208047726000018/0002080477-26-000018-index.htm | | 2026-09-03 | Gallagher Thomas P. | Director, Officer | M | 8333.0 | 12.0 | 768938.0 | https://www.sec.gov/Archives/edgar/data/1438472/000208047726000018/0002080477-26-000018-index.htm | | 2026-09-03 | Gallagher Thomas P. | Director, Officer | M | 13140.0 | 15.22 | 782078.0 | https://www.sec.gov/Archives/edgar/data/1438472/000208047726000018/0002080477-26-000018-index.htm | | 2026-09-03 | Gallagher Thomas P. | Director, Officer | M | 4464.0 | 22.4 | 786542.0 | https://www.sec.gov/Archives/edgar/data/1438472/000208047726000018/0002080477-26-000018-index.htm | | 2026-09-03 | Deitzel Edward | Officer | M | 11000.0 | 12.0 | 130601.0 | https://www.sec.gov/Archives/edgar/data/1438472/000208067126000016/0002080671-26-000016-index.htm | | 2026-09-03 | Deitzel Edward | Officer | S | 11000.0 | 42.21 | 119601.0 | https://www.sec.gov/Archives/edgar/data/1438472/000208067126000016/0002080671-26-000016-index.htm | | 2026-09-02 | Teekell Judson Gray | Director | S | 5545.0 | 41.58 | 81000.0 | https://www.sec.gov/Archives/edgar/data/1438472/000195977026000012/0001959770-26-000012-index.htm | | 2026-09-02 | Teekell Judson Gray | Director | S | 3000.0 | 40.89 | 69251.0 | https://www.sec.gov/Archives/edgar/data/1438472/000195977026000012/0001959770-26-000012-index.htm | | 2026-09-02 | Schafer Douglas M. JR | Officer | S | 48000.0 | 40.48 | 387414.0 | https://www.sec.gov/Archives/edgar/data/1438472/000207944526000017/0002079445-26-000017-index.htm | | 2026-09-02 | Schafer Douglas M. JR | Officer | M | 4666.0 | 12.0 | 435414.0 | https://www.sec.gov/Archives/edgar/data/1438472/000207944526000017/0002079445-26-000017-index.htm | | 2026-09-02 | Schafer Douglas M. JR | Officer | M | 43334.0 | 12.0 | 430748.0 | https://www.sec.gov/Archives/edgar/data/1438472/000207944526000017/0002079445-26-000017-index.htm | | 2026-09-02 | Comly Barbara J. | Officer | S | 44445.0 | 40.49 | 839564.0 | https://www.sec.gov/Archives/edgar/data/1438472/000208087826000016/0002080878-26-000016-index.htm | | 2026-09-02 | Comly Barbara J. | Officer | M | 44445.0 | 12.0 | 884009.0 | https://www.sec.gov/Archives/edgar/data/1438472/000208087826000016/0002080878-26-000016-index.htm | | 2026-08-19 | Gallagher Thomas P. | Director, Officer | S | 149700.0 | 41.13 | 1423275.0 | https://www.sec.gov/Archives/edgar/data/1438472/000208047726000016/0002080477-26-000016-index.htm | | 2026-08-18 | Gallagher Thomas P. | Director, Officer | F | 150300.0 | 42.41 | 1572975.0 | https://www.sec.gov/Archives/edgar/data/1438472/000208047726000016/0002080477-26-000016-index.htm | | 2026-08-18 | Comly Barbara J. | Officer | F | 43420.0 | 42.41 | 839564.0 | https://www.sec.gov/Archives/edgar/data/1438472/000208087826000014/0002080878-26-000014-index.htm | | 2026-08-17 | Emmons Lance | Officer | S | 35000.0 | 42.83 | 86538.0 | https://www.sec.gov/Archives/edgar/data/1438472/000162828026057946/0001628280-26-057946-index.htm | | 2026-08-17 | Schwarzkopf Cynthia | Director | M | 5000.0 | 12.0 | 93545.0 | https://www.sec.gov/Archives/edgar/data/1438472/000162828026057950/0001628280-26-057950-index.htm | | 2026-08-17 | Schwarzkopf Cynthia | Director | S | 5000.0 | 42.85 | 88545.0 | https://www.sec.gov/Archives/edgar/data/1438472/000162828026057950/0001628280-26-057950-index.htm | | 2026-08-04 | Teekell Judson Gray | Director | S | 3000.0 | 45.79 | 72251.0 | https://www.sec.gov/Archives/edgar/data/1438472/000195977026000010/0001959770-26-000010-index.htm | | 2026-08-04 | Schafer Douglas M. JR | Officer | M | 48000.0 | 12.0 | 435414.0 | https://www.sec.gov/Archives/edgar/data/1438472/000207944526000015/0002079445-26-000015-index.htm | | 2026-08-04 | Schafer Douglas M. JR | Officer | S | 48000.0 | 45.71 | 387414.0 | https://www.sec.gov/Archives/edgar/data/1438472/000207944526000015/0002079445-26-000015-index.htm | | 2026-08-04 | Gallagher Thomas P. | Director, Officer | M | 48334.0 | 12.0 | 1771609.0 | https://www.sec.gov/Archives/edgar/data/1438472/000208047726000014/0002080477-26-000014-index.htm | | 2026-08-04 | Gallagher Thomas P. | Director, Officer | S | 48334.0 | 45.69 | 1723275.0 | https://www.sec.gov/Archives/edgar/data/1438472/000208047726000014/0002080477-26-000014-index.htm | | 2026-08-04 | Jayabalan Harish | Officer | M | 14168.0 | 12.0 | 92233.0 | https://www.sec.gov/Archives/edgar/data/1438472/000208053826000006/0002080538-26-000006-index.htm | | 2026-08-04 | Jayabalan Harish | Officer | S | 20000.0 | 45.9 | 78065.0 | https://www.sec.gov/Archives/edgar/data/1438472/000208053826000006/0002080538-26-000006-index.htm | | 2026-08-04 | Jayabalan Harish | Officer | M | 5832.0 | 15.22 | 98065.0 | https://www.sec.gov/Archives/edgar/data/1438472/000208053826000006/0002080538-26-000006-index.htm | | 2026-08-04 | Deitzel Edward | Officer | S | 11000.0 | 45.78 | 119601.0 | https://www.sec.gov/Archives/edgar/data/1438472/000208067126000014/0002080671-26-000014-index.htm | | 2026-08-04 | Deitzel Edward | Officer | M | 11000.0 | 12.0 | 130601.0 | https://www.sec.gov/Archives/edgar/data/1438472/000208067126000014/0002080671-26-000014-index.htm | | 2026-08-04 | Eckert Kurt M. | Director | M | 1063.0 | 12.0 | 150675.0 | https://www.sec.gov/Archives/edgar/data/1438472/000208067826000008/0002080678-26-000008-index.htm | | 2026-08-04 | Eckert Kurt M. | Director | S | 1063.0 | 45.8 | 149612.0 | https://www.sec.gov/Archives/edgar/data/1438472/000208067826000008/0002080678-26-000008-index.htm | | 2026-08-04 | Comly Barbara J. | Officer | M | 44445.0 | 12.0 | 927429.0 | https://www.sec.gov/Archives/edgar/data/1438472/000208087826000012/0002080878-26-000012-index.htm | | 2026-08-04 | Comly Barbara J. | Officer | S | 44445.0 | 45.69 | 882984.0 | https://www.sec.gov/Archives/edgar/data/1438472/000208087826000012/0002080878-26-000012-index.htm | | 2026-07-15 | Schwarzkopf Cynthia | Director | M | 5000.0 | 12.0 | 93545.0 | https://www.sec.gov/Archives/edgar/data/1438472/000208059626000006/0002080596-26-000006-index.htm | | 2026-07-15 | Schwarzkopf Cynthia | Director | S | 5000.0 | 42.0 | 88545.0 | https://www.sec.gov/Archives/edgar/data/1438472/000208059626000006/0002080596-26-000006-index.htm | | 2026-07-13 | Gallagher Thomas P. | Director, Officer | M | 70000.0 | 12.0 | 1793275.0 | https://www.sec.gov/Archives/edgar/data/1438472/000162828026048149/0001628280-26-048149-index.htm | | 2026-07-13 | Gallagher Thomas P. | Director, Officer | S | 70000.0 | 42.52 | 1723275.0 | https://www.sec.gov/Archives/edgar/data/1438472/000162828026048149/0001628280-26-048149-index.htm | | 2026-07-13 | Comly Barbara J. | Officer | M | 28000.0 | 12.0 | 910984.0 | https://www.sec.gov/Archives/edgar/data/1438472/000162828026048154/0001628280-26-048154-index.htm | | 2026-07-13 | Comly Barbara J. | Officer | S | 28000.0 | 41.98 | 882984.0 | https://www.sec.gov/Archives/edgar/data/1438472/000162828026048154/0001628280-26-048154-index.htm | | 2026-07-08 | BROWN DAVID A | Director | F | 171.0 | 43.72 | 7066.0 | https://www.sec.gov/Archives/edgar/data/1438472/000162828026047778/0001628280-26-047778-index.htm | | 2026-07-07 | Gallagher Thomas P. | Director, Officer | M | 28228.0 | 12.0 | 1751503.0 | https://www.sec.gov/Archives/edgar/data/1438472/000162828026047530/0001628280-26-047530-index.htm | | 2026-07-07 | Gallagher Thomas P. | Director, Officer | S | 28228.0 | 42.27 | 1723275.0 | https://www.sec.gov/Archives/edgar/data/1438472/000162828026047530/0001628280-26-047530-index.htm | | 2026-07-06 | Brown Shelly | Officer | S | 16000.0 | 42.13 | 353990.0 | https://www.sec.gov/Archives/edgar/data/1438472/000162828026047491/0001628280-26-047491-index.htm | | 2026-07-06 | Brown Shelly | Officer | M | 16000.0 | 12.0 | 369990.0 | https://www.sec.gov/Archives/edgar/data/1438472/000162828026047491/0001628280-26-047491-index.htm | | 2026-07-06 | Deitzel Edward | Officer | M | 7333.0 | 12.0 | 126934.0 | https://www.sec.gov/Archives/edgar/data/1438472/000162828026047496/0001628280-26-047496-index.htm | | 2026-07-06 | Deitzel Edward | Officer | S | 11000.0 | 42.04 | 119601.0 | https://www.sec.gov/Archives/edgar/data/1438472/000162828026047496/0001628280-26-047496-index.htm | | 2026-07-06 | Deitzel Edward | Officer | M | 3667.0 | 12.0 | 130601.0 | https://www.sec.gov/Archives/edgar/data/1438472/000162828026047496/0001628280-26-047496-index.htm | | 2026-07-06 | Jayabalan Harish | Officer | M | 834.0 | 12.0 | 78899.0 | https://www.sec.gov/Archives/edgar/data/1438472/000162828026047497/0001628280-26-047497-index.htm | | 2026-07-06 | Jayabalan Harish | Officer | S | 20000.0 | 42.12 | 78065.0 | https://www.sec.gov/Archives/edgar/data/1438472/000162828026047497/0001628280-26-047497-index.htm | | 2026-07-06 | Jayabalan Harish | Officer | M | 2499.0 | 12.0 | 98065.0 | https://www.sec.gov/Archives/edgar/data/1438472/000162828026047497/0001628280-26-047497-index.htm | | 2026-07-06 | Jayabalan Harish | Officer | M | 16667.0 | 12.0 | 95566.0 | https://www.sec.gov/Archives/edgar/data/1438472/000162828026047497/0001628280-26-047497-index.htm | | 2026-07-06 | Gallagher Thomas P. | Director, Officer | S | 41772.0 | 42.09 | 1723275.0 | https://www.sec.gov/Archives/edgar/data/1438472/000162828026047530/0001628280-26-047530-index.htm | | 2026-07-06 | Gallagher Thomas P. | Director, Officer | M | 41772.0 | 12.0 | 1765047.0 | https://www.sec.gov/Archives/edgar/data/1438472/000162828026047530/0001628280-26-047530-index.htm | | 2026-07-02 | Schafer Douglas M. JR | Officer | M | 6000.0 | 12.0 | 393414.0 | https://www.sec.gov/Archives/edgar/data/1438472/000162828026047484/0001628280-26-047484-index.htm | | 2026-07-02 | Schafer Douglas M. JR | Officer | M | 42000.0 | 12.0 | 435414.0 | https://www.sec.gov/Archives/edgar/data/1438472/000162828026047484/0001628280-26-047484-index.htm | | 2026-07-02 | Schafer Douglas M. JR | Officer | S | 48000.0 | 41.22 | 387414.0 | https://www.sec.gov/Archives/edgar/data/1438472/000162828026047484/0001628280-26-047484-index.htm | | 2026-07-02 | Comly Barbara J. | Officer | M | 28000.0 | 12.0 | 910984.0 | https://www.sec.gov/Archives/edgar/data/1438472/000162828026047486/0001628280-26-047486-index.htm | | 2026-07-02 | Comly Barbara J. | Officer | S | 28000.0 | 41.22 | 882984.0 | https://www.sec.gov/Archives/edgar/data/1438472/000162828026047486/0001628280-26-047486-index.htm | | 2026-07-02 | Eckert Kurt M. | Director | M | 5250.0 | 12.0 | 154862.0 | https://www.sec.gov/Archives/edgar/data/1438472/000162828026047488/0001628280-26-047488-index.htm | | 2026-07-02 | Eckert Kurt M. | Director | S | 5250.0 | 39.35 | 149612.0 | https://www.sec.gov/Archives/edgar/data/1438472/000162828026047488/0001628280-26-047488-index.htm | | 2026-07-02 | Teekell Judson Gray | Director | S | 3000.0 | 40.0 | 75251.0 | https://www.sec.gov/Archives/edgar/data/1438472/000162828026047489/0001628280-26-047489-index.htm | Source: https://www.sec.gov/data-research/sec-markets-data/insider-transactions-data-sets --- Independent. Not affiliated with, endorsed by, or sponsored by the U.S. Securities and Exchange Commission. Data is reproduced from public SEC filings and datasets. Not investment advice. API: https://sec-api.dev/docs · ChatGPT app: https://chatgpt.com/plugins/plugin_asdk_app_6ae0ef2436ac8191941dae8a4d732669 · Free key: https://sec-api.dev/sign-up