Mark Cuban
CIK 1066154 · View on SEC EDGAR ↗
Insider
First SEC filing: June 17, 2009 · Latest: March 31, 2021
On this page
Insider at
Insider transactions
0 buys (P)
0 sells (S)
Net:
$0
+ 1 non-open-market transaction below
last 12 months, based on the transactions shown below
Price change vs current quote, split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted
1 other filing hidden
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| Sept. 14, 2023 | RDIB | S | 200 | $20.35 | $4,070 | 172,355 Direct | -0.12% | Disposed | -57.1% (price as of 2026-08-20) |
| Sept. 13, 2023 | RDIB | S | 1,813 | $20.21 | $36,641 | 172,555 Direct | -1.04% | Disposed | -56.8% (price as of 2026-08-20) |
| Sept. 12, 2023 | RDIB | S | 900 | $20.22 | $18,198 | 174,368 Direct | -0.51% | Disposed | -56.8% (price as of 2026-08-20) |
| Sept. 11, 2023 | RDIB | S | 2,069 | $20.20 | $41,794 | 175,268 Direct | -1.17% | Disposed | -56.8% (price as of 2026-08-20) |
| Sept. 8, 2023 | RDIB | S | 600 | $20.04 | $12,024 | 177,337 Direct | -0.34% | Disposed | -56.4% (price as of 2026-08-20) |
| Sept. 7, 2023 | RDIB | S | 85 | $20.00 | $1,700 | 177,937 Direct | -0.05% | Disposed | -56.4% (price as of 2026-08-20) |
| Aug. 4, 2023 | RDIB | S | 100 | $20.21 | $2,021 | 178,022 Direct | -0.06% | Disposed | -56.8% (price as of 2026-08-20) |
| Aug. 3, 2023 | RDIB | S | 956 | $20.29 | $19,397 | 178,122 Direct | -0.53% | Disposed | -57.0% (price as of 2026-08-20) |
| Aug. 2, 2023 | RDIB | S | 100 | $21.22 | $2,122 | 179,078 Direct | -0.06% | Disposed | -58.9% (price as of 2026-08-20) |
| Aug. 1, 2023 | RDIB | S | 500 | $21.15 | $10,575 | 179,178 Direct | -0.28% | Disposed | -58.7% (price as of 2026-08-20) |
| July 31, 2023 | RDIB | S | 651 | $21.11 | $13,743 | 179,678 Direct | -0.36% | Disposed | -58.6% (price as of 2026-08-20) |
| July 28, 2023 | RDIB | S | 200 | $20.37 | $4,074 | 180,329 Direct | -0.11% | Disposed | -57.1% (price as of 2026-08-20) |
| July 26, 2023 | RDIB | S | 100 | $20.00 | $2,000 | 180,529 Direct | -0.06% | Disposed | -56.4% (price as of 2026-08-20) |
| July 24, 2023 | RDIB | S | 300 | $20.06 | $6,018 | 180,629 Direct | -0.17% | Disposed | -56.5% (price as of 2026-08-20) |
| July 21, 2023 | RDIB | S | 1,300 | $20.19 | $26,247 | 180,929 Direct | -0.71% | Disposed | -56.8% (price as of 2026-08-20) |
| July 20, 2023 | RDIB | S | 100 | $20.00 | $2,000 | 182,229 Direct | -0.05% | Disposed | -56.4% (price as of 2026-08-20) |
| July 19, 2023 | RDIB | S | 401 | $20.30 | $8,140 | 182,329 Direct | -0.22% | Disposed | -57.0% (price as of 2026-08-20) |
| July 18, 2023 | RDIB | S | 600 | $20.22 | $12,132 | 182,730 Direct | -0.33% | Disposed | -56.8% (price as of 2026-08-20) |
| July 17, 2023 | RDIB | S | 1,021 | $20.33 | $20,757 | 183,330 Direct | -0.55% | Disposed | -57.1% (price as of 2026-08-20) |
| July 14, 2023 | RDIB | S | 1,600 | $20.75 | $33,200 | 184,351 Direct | -0.86% | Disposed | -57.9% (price as of 2026-08-20) |
| July 13, 2023 | RDIB | S | 3,100 | $21.02 | $65,162 | 185,951 Direct | -1.64% | Disposed | -58.5% (price as of 2026-08-20) |
| July 12, 2023 | RDIB | S | 3,700 | $21.58 | $79,846 | 189,051 Direct | -1.92% | Disposed | -59.5% (price as of 2026-08-20) |
| July 11, 2023 | RDIB | S | 2,309 | $22.46 | $51,860 | 192,751 Direct | -1.18% | Disposed | -61.1% (price as of 2026-08-20) |
| July 10, 2023 | RDIB | S | 1,600 | $22.84 | $36,544 | 195,060 Direct | -0.81% | Disposed | -61.8% (price as of 2026-08-20) |
| July 7, 2023 | RDIB | S | 241 | $22.57 | $5,439 | 196,660 Direct | -0.12% | Disposed | -61.3% (price as of 2026-08-20) |
| July 6, 2023 | RDIB | S | 3,100 | $22.75 | $70,525 | 196,901 Direct | -1.55% | Disposed | -61.6% (price as of 2026-08-20) |
| July 5, 2023 | RDIB | S | 3,026 | $22.71 | $68,720 | 200,001 Direct | -1.49% | Disposed | -61.6% (price as of 2026-08-20) |
| July 3, 2023 | RDIB | S | 2,200 | $23.52 | $51,744 | 203,027 Direct | -1.07% | Disposed | -62.9% (price as of 2026-08-20) |
| July 3, 2023 | RDIB | S | 2,200 | $23.52 | $51,744 | 203,027 Direct | -1.07% | Disposed | -62.9% (price as of 2026-08-20) |
| July 3, 2023 | RDIB | S | 2,072 | $15.03 | $31,142 | 210,323 Direct | +0.99% | Acquired | -41.9% (price as of 2026-08-20) |
| June 30, 2023 | RDIB | S | 400 | $23.37 | $9,348 | 205,227 Direct | -0.19% | Disposed | -62.6% (price as of 2026-08-20) |
| Sept. 28, 2022 | RDIB | S | 936 | $23.00 | $21,528 | 205,627 Direct | -0.45% | Disposed | -62.0% (price as of 2026-08-20) |
| Aug. 22, 2022 | RDIB | S | 802 | $25.80 | $20,692 | 206,563 Direct | -0.39% | Disposed | -66.2% (price as of 2026-08-20) |
| Aug. 19, 2022 | RDIB | S | 2,901 | $30.36 | $88,074 | 207,365 Direct | -1.38% | Disposed | -71.2% (price as of 2026-08-20) |
| Aug. 18, 2022 | RDIB | S | 306 | $33.03 | $10,107 | 210,266 Direct | -0.15% | Disposed | -73.6% (price as of 2026-08-20) |
| April 8, 2020 | RDIB | P | 227 | $15.00 | $3,405 | 210,550 Direct | +0.11% | Acquired | -41.8% (price as of 2026-08-20) |
| April 7, 2020 | RDIB | P | 2,072 | $15.03 | $31,142 | 210,323 Direct | +0.99% | Acquired | -41.9% (price as of 2026-08-20) |
| Nov. 4, 2015 | RDIB | S | 2 | $16.55 | $33 | 207,613 Direct | 0.00% | Acquired | -47.3% (price as of 2026-08-20) |
| July 15, 2011 | RDIB | S | 15,900 | $4.21 | $66,939 | 72,164 Direct | -18.06% | Disposed | 107.4% (price as of 2026-08-20) |
| July 14, 2011 | RDIB | S | 23,150 | $4.21 | $97,462 | 88,064 Direct | -20.82% | Disposed | 107.4% (price as of 2026-08-20) |
| July 13, 2011 | RDIB | S | 30,947 | $4.21 | $130,287 | 111,214 Direct | -21.77% | Disposed | 107.4% (price as of 2026-08-20) |
| July 11, 2011 | RDIB | S | 800 | $4.49 | $3,592 | 142,161 Direct | -0.56% | Disposed | 94.4% (price as of 2026-08-20) |
| July 6, 2011 | RDIB | S | 9,100 | $4.55 | $41,405 | 142,961 Direct | -5.98% | Disposed | 91.9% (price as of 2026-08-20) |
| July 1, 2011 | RDIB | S | 300 | $4.55 | $1,365 | 152,061 Direct | -0.20% | Disposed | 91.9% (price as of 2026-08-20) |
| June 30, 2011 | RDIB | S | 1,956 | $4.57 | $8,939 | 152,361 Direct | -1.27% | Disposed | 91.0% (price as of 2026-08-20) |
| June 29, 2011 | RDIB | S | 25,000 | $4.55 | $113,750 | 154,317 Direct | -13.94% | Disposed | 91.9% (price as of 2026-08-20) |
| June 28, 2011 | RDIB | S | 31,847 | $4.58 | $145,859 | 179,317 Direct | -15.08% | Disposed | 90.6% (price as of 2026-08-20) |
| June 27, 2011 | RDIB | S | 7,668 | $4.62 | $35,426 | 211,164 Direct | -3.50% | Disposed | 89.0% (price as of 2026-08-20) |
| June 24, 2011 | RDIB | S | 17,100 | $4.63 | $79,173 | 218,832 Direct | -7.25% | Disposed | 88.6% (price as of 2026-08-20) |
| June 23, 2011 | RDIB | S | 51,068 | $4.80 | $245,126 | 235,932 Direct | -17.79% | Disposed | 81.9% (price as of 2026-08-20) |
| Feb. 17, 2011 | RDIB | S | 81,961 | $4.88 | $399,970 | 287,000 Direct | -22.21% | Disposed | 78.9% (price as of 2026-08-20) |
| Feb. 16, 2011 | RDIB | S | 19,590 | $4.94 | $96,775 | 368,961 Direct | -5.04% | Disposed | 76.7% (price as of 2026-08-20) |
| Feb. 15, 2011 | RDIB | S | 111,449 | $5.04 | $561,703 | 388,551 Direct | -22.29% | Disposed | 73.2% (price as of 2026-08-20) |
| June 22, 2009 | RDIB | P | 500,000 | $4.51 | $2,255,000 | 500,000 Direct | — | Acquired | 93.6% (price as of 2026-08-20) |
| June 19, 2009 | RDIB | P | 50,100 | $6.84 | $342,684 | 207,511 Direct | +31.83% | Acquired | 27.6% (price as of 2026-08-20) |
P = Open-market purchase · S = Sale · A = Grant/award · M = Option exercise · G = Gift · F = Tax withholding
Insider transactions are not a recommendation; sales are often driven by liquidity or tax reasons.
Initial ownership (Form 3) 1 holding
Securities held when first becoming an insider, per SEC Form 3.
| Date | Ticker | Security | Shares | Ownership |
|---|---|---|---|---|
| June 17, 2009 | RDIB | Class B Voting Common Stock | 157,411 | Direct |