Miami International Holdings insider transactions

MIAX, SEC Form 4, July 8 to October 22, 2026
MIAX stock pageFilings on SEC
Open-market purchases
$00 transactions
Open-market sales
$29.69 million22 transactions
Net
−$29.69 millionPurchases minus sales
People
1126 Form 4 filings

Weekly purchases and sales

Open market
Jul 6 week: no transactionsJul 13 week: sales $4.36 millionJul 20 week: no transactionsJul 27 week: no transactionsAug 3 week: sales $8.04 millionAug 10 week: no transactionsAug 17 week: sales $7.87 millionAug 24 week: no transactionsAug 31 week: sales $6.55 millionSep 7 week: no transactionsSep 14 week: sales $819,188Sep 21 week: no transactionsSep 28 week: sales $1.33 millionOct 5 week: no transactionsOct 12 week: no transactionsOct 19 week: sales $711,682Oct 26 week: no transactions
Purchases, none
Sales, highest week $8.04 million

People

Open-market net, last reported holding
Thomas P. GallagherCEO and chair, last trade Sep 3
−$13.34 million
Douglas M. Schafer Jr.CIO, last trade Oct 22
−$5.75 million387,414 shares
Barbara J. ComlyVice president, last trade Oct 22
−$5.44 million839,564 shares
Lance EmmonsCFO, last trade Aug 17
−$1.50 million86,538 shares
Edward DeitzelVice president, last trade Sep 3
−$967,890119,601 shares
Harish JayabalanVice president, last trade Sep 25
−$918,00086,398 shares
Shelly BrownChief strategy officer, last trade Sep 16
−$819,188316,490 shares
Judson Gray TeekellDirector, last trade Sep 2
−$490,601
Cynthia SchwarzkopfDirector, last trade Aug 17
−$424,25088,545 shares
Kurt M. EckertDirector, last trade Aug 4
−$48,685149,612 shares

Price and insider transactions

MIAX daily close, Apr 27 to October 26, 2026
$56.84$29.55
Daily close
Sale

Purchases and sales

22 transactions
PersonTransactionSharesPriceAmountDate
Barbara J. ComlyVice president
Sale
12,306
$35.04
$431,202
Douglas M. Schafer Jr.CIO
Sale
8,000
$35.06
$280,480
Douglas M. Schafer Jr.CIO
Sale
40,000
$33.34
$1.33 million
Shelly BrownChief strategy officer
Sale
21,217
$38.61
$819,188
Thomas P. GallagherCEO and chair
Sale
47,000
$42.43
$1.99 million
Edward DeitzelVice president
Sale
11,000
$42.21
$464,310
Douglas M. Schafer Jr.CIO
Sale
48,000
$40.48
$1.94 million
Barbara J. ComlyVice president
Sale
44,445
$40.49
$1.80 million
Judson Gray TeekellDirector
Sale
8,545
avg.$41.34
$353,231
Thomas P. GallagherCEO and chair
Sale
149,700
$41.13
$6.16 million
Lance EmmonsCFO
Sale
35,000
$42.83
$1.50 million
Cynthia SchwarzkopfDirector
Sale
5,000
$42.85
$214,250
Thomas P. GallagherCEO and chair
Sale
48,334
$45.69
$2.21 million
Douglas M. Schafer Jr.CIO
Sale
48,000
$45.71
$2.19 million
Barbara J. ComlyVice president
Sale
44,445
$45.69
$2.03 million
Harish JayabalanVice president
Sale
20,000
$45.90
$918,000
Edward DeitzelVice president
Sale
11,000
$45.78
$503,580
Judson Gray TeekellDirector
Sale
3,000
$45.79
$137,370
Kurt M. EckertDirector
Sale
1,063
$45.80
$48,685
Cynthia SchwarzkopfDirector
Sale
5,000
$42.00
$210,000
Thomas P. GallagherCEO and chair
Sale
70,000
$42.52
$2.98 million
Barbara J. ComlyVice president
Sale
28,000
$41.98
$1.18 million

Grants, option exercises and tax withholding

22 transactions
PersonTransactionSharesPriceAmountDate
Barbara J. ComlyVice president
Option exercise
12,306
$12.00
$147,672
Douglas M. Schafer Jr.CIO
Option exercise
8,000
$12.00
$96,000
Douglas M. Schafer Jr.CIO
Option exercise
40,000
$12.00
$480,000
Harish JayabalanVice president
Option exercise
8,333
$12.00
$99,996
Shelly BrownChief strategy officer
Tax withholding
16,283
$42.54
$692,679
Thomas P. GallagherCEO and chair
Option exercise
89,603
avg.$12.99
$1.16 million
Edward DeitzelVice president
Option exercise
11,000
$12.00
$132,000
Barbara J. ComlyVice president
Option exercise
44,445
$12.00
$533,340
Douglas M. Schafer Jr.CIO
Option exercise
48,000
avg.$12.00
$576,000
Thomas P. GallagherCEO and chair
Tax withholding
150,300
$42.41
$6.37 million
Barbara J. ComlyVice president
Tax withholding
43,420
$42.41
$1.84 million
Cynthia SchwarzkopfDirector
Option exercise
5,000
$12.00
$60,000
Thomas P. GallagherCEO and chair
Option exercise
48,334
$12.00
$580,008
Douglas M. Schafer Jr.CIO
Option exercise
48,000
$12.00
$576,000
Barbara J. ComlyVice president
Option exercise
44,445
$12.00
$533,340
Harish JayabalanVice president
Option exercise
20,000
avg.$12.94
$258,779
Edward DeitzelVice president
Option exercise
11,000
$12.00
$132,000
Kurt M. EckertDirector
Option exercise
1,063
$12.00
$12,756
Cynthia SchwarzkopfDirector
Option exercise
5,000
$12.00
$60,000
Thomas P. GallagherCEO and chair
Option exercise
70,000
$12.00
$840,000
Barbara J. ComlyVice president
Option exercise
28,000
$12.00
$336,000
David A. BrownDirector
Tax withholding
171
$43.72
$7,476
All insider transactions
How to read
Purchases and sales are open-market transactions only (codes P and S). Partial trades in the same filing are combined on one row, and the price is a weighted average.