Direct Digital Holdings, Inc. engages in an end-to-end, full-service programmatic advertising platform, which focuses on advertising technology, data-driven campaign optimization and other solutions. It operates across multiple industry verticals such as travel, healthcare, education, financial services, and consumer products with an emphasis on small- and mid-sized businesses transitioning into digital with digital media budgets. The company was founded by Mark D. Walker and Keith W. Smith on June 21, 2018 and is headquartered in Houston, TX. |  |
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| Insider Trading |
Relationship |
Date |
Transaction |
Cost |
#Shares |
Value ($) |
#Shares Total |
SEC Form 4 |
| Mark Walker | OFFICER | Dec 12 '25 | Proposed Sale | 0.09 | 300,000 | 26,400 | | Dec 11 12:42 PM | | Walker Mark D | Chairman and CEO | Nov 14 '25 | Sale | 0.21 | 245,008 | 51,452 | 0 | Nov 17 04:05 PM | | Walker Mark D | Chairman and CEO | Nov 13 '25 | Sale | 0.37 | 27,492 | 10,172 | 245,008 | Nov 17 04:05 PM | | SMITH W KEITH | President | Nov 13 '25 | Sale | 0.37 | 71,242 | 26,360 | 557,058 | Nov 17 04:04 PM | | SMITH W KEITH | President | Nov 14 '25 | Sale | 0.21 | 100,000 | 21,000 | 457,058 | Nov 17 04:04 PM | | Keith Smith | OFFICER | Nov 13 '25 | Proposed Sale | 0.35 | 600,000 | 210,000 | | Nov 14 08:27 AM | | Mark Walker | OFFICER | Nov 12 '25 | Proposed Sale | 0.20 | 272,500 | 54,364 | | Nov 12 08:21 AM | | Walker Mark D | Chairman and CEO | Aug 18 '25 | Sale | 0.39 | 24,313 | 9,482 | 23,000 | Aug 19 05:42 PM | | Walker Mark D | Chairman and CEO | Aug 15 '25 | Sale | 0.41 | 22,369 | 9,171 | 0 | Aug 19 05:42 PM | | Walker Mark D | Chairman and CEO | Aug 19 '25 | Sale | 0.39 | 23,000 | 8,970 | 0 | Aug 19 05:42 PM | | SMITH W KEITH | President | Jul 24 '25 | Sale | 0.53 | 15,800 | 8,374 | 45,250 | Jul 28 05:04 PM | | SMITH W KEITH | President | Jul 25 '25 | Sale | 0.53 | 8,900 | 4,717 | 36,350 | Jul 28 05:04 PM | | SMITH W KEITH | President | Jul 28 '25 | Sale | 0.54 | 8,050 | 4,347 | 28,300 | Jul 28 05:04 PM | | SMITH W KEITH | President | Jul 21 '25 | Sale | 0.52 | 16,987 | 8,833 | 88,305 | Jul 23 05:47 PM | | SMITH W KEITH | President | Jul 22 '25 | Sale | 0.51 | 15,321 | 7,814 | 72,984 | Jul 23 05:47 PM | | SMITH W KEITH | President | Jul 23 '25 | Sale | 0.51 | 11,934 | 6,086 | 61,050 | Jul 23 05:47 PM | | Walker Mark D | Chairman and CEO | Jul 21 '25 | Sale | 0.52 | 16,735 | 8,702 | 68,350 | Jul 23 05:44 PM | | Walker Mark D | Chairman and CEO | Jul 22 '25 | Sale | 0.51 | 15,470 | 7,890 | 52,880 | Jul 23 05:44 PM | | Walker Mark D | Chairman and CEO | Jul 23 '25 | Sale | 0.51 | 5,567 | 2,839 | 47,313 | Jul 23 05:44 PM | | Walker Mark D | Chairman and CEO | Jul 18 '25 | Sale | 0.51 | 19,777 | 10,086 | 85,085 | Jul 18 05:05 PM | | Walker Mark D | Chairman and CEO | Jul 17 '25 | Sale | 0.52 | 19,315 | 10,044 | 104,862 | Jul 18 05:05 PM | | Walker Mark D | Chairman and CEO | Jul 16 '25 | Sale | 0.53 | 11,603 | 6,150 | 124,177 | Jul 18 05:05 PM | | SMITH W KEITH | President | Jul 17 '25 | Sale | 0.52 | 19,950 | 10,374 | 124,780 | Jul 18 05:05 PM | | SMITH W KEITH | President | Jul 18 '25 | Sale | 0.51 | 19,488 | 9,939 | 105,292 | Jul 18 05:05 PM | | SMITH W KEITH | President | Jul 16 '25 | Sale | 0.53 | 11,694 | 6,198 | 144,730 | Jul 18 05:05 PM | | Walker Mark D | Chairman and CEO | Jul 14 '25 | Sale | 0.55 | 21,154 | 11,635 | 143,846 | Jul 16 04:05 PM | | Walker Mark D | Chairman and CEO | Jul 15 '25 | Sale | 0.54 | 8,066 | 4,356 | 135,780 | Jul 16 04:05 PM | | SMITH W KEITH | President | Jul 14 '25 | Sale | 0.55 | 20,476 | 11,262 | 164,524 | Jul 16 04:05 PM | | SMITH W KEITH | President | Jul 15 '25 | Sale | 0.54 | 8,100 | 4,374 | 156,424 | Jul 16 04:05 PM | | Keith Smith | Officer | Jul 14 '25 | Proposed Sale | 0.60 | 185,000 | 110,445 | | Jul 14 11:33 AM | | Mark Walker | Officer | Jul 14 '25 | Proposed Sale | 0.60 | 146,000 | 87,162 | | Jul 14 10:50 AM | | Cohen Richard | Director | Jun 12 '25 | Sale | 0.53 | 3,414 | 1,809 | 70,302 | Jun 13 04:44 PM | | Leatherberry Antoinette Renee | Director | Jun 12 '25 | Sale | 0.53 | 2,028 | 1,075 | 74,442 | Jun 13 04:44 PM | | Locke Mistelle | Director | Jun 12 '25 | Sale | 0.52 | 3,432 | 1,785 | 40,447 | Jun 13 04:44 PM | | Walker Mark D | Chairman and CEO | Jun 12 '25 | Sale | 0.53 | 11,574 | 6,134 | 6,986 | Jun 13 04:02 PM | | Walker Mark D | Chairman and CEO | Jun 11 '25 | Sale | 0.53 | 9,763 | 5,174 | 18,560 | Jun 13 04:02 PM | | Walker Mark D | Chairman and CEO | Jun 13 '25 | Sale | 0.51 | 6,986 | 3,563 | 0 | Jun 13 04:02 PM | | Leatherberry Antoinette Renee | Director | Jun 10 '25 | Sale | 0.55 | 4,009 | 2,205 | 68,265 | Jun 12 04:25 PM | | Cohen Richard | Director | Jun 10 '25 | Sale | 0.54 | 6,856 | 3,702 | 65,511 | Jun 12 04:23 PM | | Mark Walker | Officer | Jun 11 '25 | Proposed Sale | 0.55 | 146,000 | 79,570 | | Jun 11 01:26 PM | | Walker Mark D | Chairman and CEO | Apr 17 '25 | Sale | 0.54 | 8,700 | 4,698 | 28,323 | Apr 21 04:01 PM |
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