SEC Insider Transactions from BREZSKI RICHARD.

Last updated: 2026-04-02 13:07 UTC | Total transactions: 107

Richard Brezski, CFO of InterDigital Inc. ($IDCC), sold shares on the open market 51 times over the past year, totaling about $9.6 million. His most recent sale occurred on February 11, 2026. These $IDCC insider sales rank 1,160th among 11,678 individuals in our database, where the average is $8.6 million across 6.37 transactions. Brezski made no open market purchases in this period.

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Transaction Date Company Ticker Insider Name Title Transaction Type Security Shares Price Shares Owned Following Total Shares Outstanding % of Owned % of Outstanding
March 31, 2026 InterDigital, Inc. $IDCC BREZSKI RICHARD Chief Financial Officer A Common Stock 5299 $0.00 84,806.0638 70,965,000 6.66% 0.01%
March 15, 2026 InterDigital, Inc. $IDCC BREZSKI RICHARD Chief Financial Officer A Common Stock 21431 $0.00 93,785.0982 70,965,000 29.62% 0.03%
March 16, 2026 InterDigital, Inc. $IDCC BREZSKI RICHARD Chief Financial Officer G Common Stock 1000 $0.00 79,500.0638 70,965,000 1.24% 0.00%
March 15, 2026 InterDigital, Inc. $IDCC BREZSKI RICHARD Chief Financial Officer D Common Stock 1 $362.35 80,500.0638 70,965,000 0.00% 0.00%
March 15, 2026 InterDigital, Inc. $IDCC BREZSKI RICHARD Chief Financial Officer F Common Stock 3965 $362.35 80,500.5937 70,965,000 4.69% 0.01%
March 15, 2026 InterDigital, Inc. $IDCC BREZSKI RICHARD Chief Financial Officer D Common Stock 1 $362.35 84,465.5937 70,965,000 0.00% 0.00%
March 15, 2026 InterDigital, Inc. $IDCC BREZSKI RICHARD Chief Financial Officer F Common Stock 9319 $362.35 84,466.0982 70,965,000 9.94% 0.01%
Feb. 10, 2026 InterDigital, Inc. $IDCC BREZSKI RICHARD Chief Financial Officer S Common Stock 200 $369.70 75,146.5937 70,965,000 0.27% 0.00%
Feb. 10, 2026 InterDigital, Inc. $IDCC BREZSKI RICHARD Chief Financial Officer S Common Stock 240 $366.64 75,361.5937 70,965,000 0.32% 0.00%
Feb. 10, 2026 InterDigital, Inc. $IDCC BREZSKI RICHARD Chief Financial Officer S Common Stock 160 $365.00 75,601.5937 70,965,000 0.21% 0.00%
Feb. 10, 2026 InterDigital, Inc. $IDCC BREZSKI RICHARD Chief Financial Officer S Common Stock 590 $361.90 75,761.5937 70,965,000 0.77% 0.00%
Feb. 10, 2026 InterDigital, Inc. $IDCC BREZSKI RICHARD Chief Financial Officer S Common Stock 458 $360.96 76,351.5937 70,965,000 0.60% 0.00%
Feb. 10, 2026 InterDigital, Inc. $IDCC BREZSKI RICHARD Chief Financial Officer S Common Stock 360 $359.98 76,809.5937 70,965,000 0.47% 0.00%
Feb. 10, 2026 InterDigital, Inc. $IDCC BREZSKI RICHARD Chief Financial Officer S Common Stock 410 $359.29 77,169.5937 70,965,000 0.53% 0.00%
Feb. 10, 2026 InterDigital, Inc. $IDCC BREZSKI RICHARD Chief Financial Officer S Common Stock 350 $357.92 77,579.5937 70,965,000 0.45% 0.00%
Feb. 10, 2026 InterDigital, Inc. $IDCC BREZSKI RICHARD Chief Financial Officer S Common Stock 400 $357.03 77,929.5937 70,965,000 0.51% 0.00%
Feb. 10, 2026 InterDigital, Inc. $IDCC BREZSKI RICHARD Chief Financial Officer S Common Stock 652 $356.15 78,329.5937 70,965,000 0.83% 0.00%
Feb. 10, 2026 InterDigital, Inc. $IDCC BREZSKI RICHARD Chief Financial Officer S Common Stock 760 $354.71 78,981.5937 70,965,000 0.95% 0.00%
Feb. 10, 2026 InterDigital, Inc. $IDCC BREZSKI RICHARD Chief Financial Officer S Common Stock 620 $353.67 79,741.5937 70,965,000 0.77% 0.00%
Feb. 10, 2026 InterDigital, Inc. $IDCC BREZSKI RICHARD Chief Financial Officer S Common Stock 15 $368.14 75,346.5937 70,965,000 0.02% 0.00%
Feb. 11, 2026 InterDigital, Inc. $IDCC BREZSKI RICHARD Chief Financial Officer S Common Stock 2000 $352.24 72,356.5937 70,965,000 2.69% 0.00%
Feb. 10, 2026 InterDigital, Inc. $IDCC BREZSKI RICHARD Chief Financial Officer S Common Stock 590 $374.94 74,356.5937 70,965,000 0.79% 0.00%
Feb. 10, 2026 InterDigital, Inc. $IDCC BREZSKI RICHARD Chief Financial Officer S Common Stock 160 $373.63 74,946.5937 70,965,000 0.21% 0.00%
Feb. 10, 2026 InterDigital, Inc. $IDCC BREZSKI RICHARD Chief Financial Officer S Common Stock 40 $371.99 75,106.5937 70,965,000 0.05% 0.00%
Jan. 28, 2026 InterDigital, Inc. $IDCC BREZSKI RICHARD Chief Financial Officer A Common Stock 37 $0.00 80,361.5937 70,965,000 0.05% 0.00%
Jan. 5, 2026 InterDigital, Inc. $IDCC BREZSKI RICHARD Chief Financial Officer S Common Stock 1678 $332.24 88,579.0002 70,965,000 1.86% 0.00%
Jan. 5, 2026 InterDigital, Inc. $IDCC BREZSKI RICHARD Chief Financial Officer S Common Stock 524 $325.72 91,777.0002 70,965,000 0.57% 0.00%
Jan. 5, 2026 InterDigital, Inc. $IDCC BREZSKI RICHARD Chief Financial Officer S Common Stock 650 $326.89 91,127.0002 70,965,000 0.71% 0.00%
Jan. 5, 2026 InterDigital, Inc. $IDCC BREZSKI RICHARD Chief Financial Officer S Common Stock 232 $327.94 90,895.0002 70,965,000 0.25% 0.00%
Jan. 5, 2026 InterDigital, Inc. $IDCC BREZSKI RICHARD Chief Financial Officer S Common Stock 346 $329.01 90,549.0002 70,965,000 0.38% 0.00%
Jan. 5, 2026 InterDigital, Inc. $IDCC BREZSKI RICHARD Chief Financial Officer S Common Stock 292 $300.91 90,257.0002 70,965,000 0.32% 0.00%
Jan. 5, 2026 InterDigital, Inc. $IDCC BREZSKI RICHARD Chief Financial Officer S Common Stock 586 $332.95 87,993.0002 70,965,000 0.66% 0.00%
Jan. 5, 2026 InterDigital, Inc. $IDCC BREZSKI RICHARD Chief Financial Officer S Common Stock 2041 $334.06 85,952.0002 70,965,000 2.32% 0.00%
Jan. 5, 2026 InterDigital, Inc. $IDCC BREZSKI RICHARD Chief Financial Officer S Common Stock 632 $335.10 85,320.0002 70,965,000 0.74% 0.00%
Jan. 6, 2026 InterDigital, Inc. $IDCC BREZSKI RICHARD Chief Financial Officer S Common Stock 176 $310.09 85,144.0002 70,965,000 0.21% 0.00%
Jan. 6, 2026 InterDigital, Inc. $IDCC BREZSKI RICHARD Chief Financial Officer S Common Stock 355 $311.24 84,789.0002 70,965,000 0.42% 0.00%
Jan. 6, 2026 InterDigital, Inc. $IDCC BREZSKI RICHARD Chief Financial Officer S Common Stock 214 $312.06 84,575.0002 70,965,000 0.25% 0.00%
Jan. 6, 2026 InterDigital, Inc. $IDCC BREZSKI RICHARD Chief Financial Officer S Common Stock 265 $313.93 84,310.0002 70,965,000 0.31% 0.00%
Jan. 6, 2026 InterDigital, Inc. $IDCC BREZSKI RICHARD Chief Financial Officer S Common Stock 120 $314.75 84,190.0002 70,965,000 0.14% 0.00%
Jan. 6, 2026 InterDigital, Inc. $IDCC BREZSKI RICHARD Chief Financial Officer S Common Stock 136 $317.03 84,054.0002 70,965,000 0.16% 0.00%
Jan. 6, 2026 InterDigital, Inc. $IDCC BREZSKI RICHARD Chief Financial Officer S Common Stock 56 $318.86 83,998.0002 70,965,000 0.07% 0.00%
Jan. 6, 2026 InterDigital, Inc. $IDCC BREZSKI RICHARD Chief Financial Officer S Common Stock 40 $321.69 83,958.0002 70,965,000 0.05% 0.00%
Jan. 6, 2026 InterDigital, Inc. $IDCC BREZSKI RICHARD Chief Financial Officer S Common Stock 143 $323.96 83,815.0002 70,965,000 0.17% 0.00%
Jan. 6, 2026 InterDigital, Inc. $IDCC BREZSKI RICHARD Chief Financial Officer S Common Stock 1139 $325.15 82,676.0002 70,965,000 1.36% 0.00%
Jan. 6, 2026 InterDigital, Inc. $IDCC BREZSKI RICHARD Chief Financial Officer S Common Stock 292 $325.86 82,384.0002 70,965,000 0.35% 0.00%
Jan. 6, 2026 InterDigital, Inc. $IDCC BREZSKI RICHARD Chief Financial Officer S Common Stock 728 $327.50 81,656.0002 70,965,000 0.88% 0.00%
Jan. 6, 2026 InterDigital, Inc. $IDCC BREZSKI RICHARD Chief Financial Officer S Common Stock 175 $328.38 81,481.0002 70,965,000 0.21% 0.00%
Jan. 6, 2026 InterDigital, Inc. $IDCC BREZSKI RICHARD Chief Financial Officer S Common Stock 180 $329.46 81,301.0002 70,965,000 0.22% 0.00%
Jan. 6, 2026 InterDigital, Inc. $IDCC BREZSKI RICHARD Chief Financial Officer S Common Stock 80 $330.97 81,221.0002 70,965,000 0.10% 0.00%
Jan. 6, 2026 InterDigital, Inc. $IDCC BREZSKI RICHARD Chief Financial Officer S Common Stock 320 $332.05 80,901.0002 70,965,000 0.39% 0.00%
Jan. 6, 2026 InterDigital, Inc. $IDCC BREZSKI RICHARD Chief Financial Officer S Common Stock 80 $332.67 80,821.0002 70,965,000 0.10% 0.00%
Jan. 6, 2026 InterDigital, Inc. $IDCC BREZSKI RICHARD Chief Financial Officer S Common Stock 503 $334.08 80,318.0002 70,965,000 0.62% 0.00%
Oct. 22, 2025 InterDigital, Inc. $IDCC BREZSKI RICHARD Chief Financial Officer A Common Stock 33 $0.00 92,300.0002 70,963,000 0.04% 0.00%
July 23, 2025 InterDigital, Inc. $IDCC BREZSKI RICHARD Chief Financial Officer A Common Stock 46 $0.00 92,281.6877 70,911,000 0.05% 0.00%
April 23, 2025 InterDigital, Inc. $IDCC BREZSKI RICHARD Chief Financial Officer A Common Stock 54 $0.00 92,234.1413 70,895,000 0.06% 0.00%
March 31, 2025 InterDigital, Inc. $IDCC BREZSKI RICHARD Chief Financial Officer A Common Stock 6771 $0.00 92,180.2032 70,577,000 7.93% 0.01%
March 15, 2025 InterDigital, Inc. $IDCC BREZSKI RICHARD Chief Financial Officer F Common Stock 6597 $208.23 89,935.4479 70,577,000 6.83% 0.01%
March 14, 2025 InterDigital, Inc. $IDCC BREZSKI RICHARD Chief Financial Officer G Common Stock 1000 $0.00 81,582.7297 70,577,000 1.21% 0.00%
March 14, 2025 InterDigital, Inc. $IDCC BREZSKI RICHARD Chief Financial Officer S Common Stock 3095 $214.75 83,986.7297 70,577,000 3.55% 0.00%
March 14, 2025 InterDigital, Inc. $IDCC BREZSKI RICHARD Chief Financial Officer S Common Stock 5718 $212.58 87,776.7297 70,577,000 6.12% 0.01%
March 14, 2025 InterDigital, Inc. $IDCC BREZSKI RICHARD Chief Financial Officer S Common Stock 680 $211.37 93,494.7297 70,577,000 0.72% 0.00%
March 14, 2025 InterDigital, Inc. $IDCC BREZSKI RICHARD Chief Financial Officer S Common Stock 1158 $210.44 94,174.7297 70,577,000 1.21% 0.00%
March 14, 2025 InterDigital, Inc. $IDCC BREZSKI RICHARD Chief Financial Officer S Common Stock 500 $209.64 95,332.7297 70,577,000 0.52% 0.00%
March 15, 2025 InterDigital, Inc. $IDCC BREZSKI RICHARD Chief Financial Officer D Common Stock 2 $208.23 85,407.2032 70,577,000 0.00% 0.00%
March 15, 2025 InterDigital, Inc. $IDCC BREZSKI RICHARD Chief Financial Officer F Common Stock 4525 $208.23 85,408.7297 70,577,000 5.03% 0.01%
March 15, 2025 InterDigital, Inc. $IDCC BREZSKI RICHARD Chief Financial Officer D Common Stock 2 $208.23 89,933.7297 70,577,000 0.00% 0.00%
March 15, 2025 InterDigital, Inc. $IDCC BREZSKI RICHARD Chief Financial Officer A Common Stock 14950 $0.00 96,532.4479 70,577,000 18.32% 0.02%
March 14, 2025 InterDigital, Inc. $IDCC BREZSKI RICHARD Chief Financial Officer S Common Stock 1404 $215.82 82,582.7297 70,577,000 1.67% 0.00%
March 14, 2025 InterDigital, Inc. $IDCC BREZSKI RICHARD Chief Financial Officer S Common Stock 695 $213.70 87,081.7297 70,577,000 0.79% 0.00%
Feb. 19, 2025 InterDigital, Inc. $IDCC BREZSKI RICHARD Chief Financial Officer S Common Stock 587 $216.65 95,833.7297 70,577,000 0.61% 0.00%
Feb. 19, 2025 InterDigital, Inc. $IDCC BREZSKI RICHARD Chief Financial Officer S Common Stock 3800 $215.47 96,420.7297 70,577,000 3.79% 0.01%
Feb. 19, 2025 InterDigital, Inc. $IDCC BREZSKI RICHARD Chief Financial Officer S Common Stock 4291 $214.62 100,220.7297 70,577,000 4.11% 0.01%
Feb. 18, 2025 InterDigital, Inc. $IDCC BREZSKI RICHARD Chief Financial Officer S Common Stock 416 $216.89 104,511.7297 70,577,000 0.40% 0.00%
Feb. 18, 2025 InterDigital, Inc. $IDCC BREZSKI RICHARD Chief Financial Officer S Common Stock 3130 $215.91 104,927.7297 70,577,000 2.90% 0.00%
Feb. 18, 2025 InterDigital, Inc. $IDCC BREZSKI RICHARD Chief Financial Officer S Common Stock 3331 $215.21 108,057.7297 70,577,000 2.99% 0.00%
Feb. 18, 2025 InterDigital, Inc. $IDCC BREZSKI RICHARD Chief Financial Officer S Common Stock 2725 $214.15 111,388.7297 70,577,000 2.39% 0.00%
Jan. 22, 2025 InterDigital, Inc. $IDCC BREZSKI RICHARD Chief Financial Officer A Common Stock 55 $0.00 114,113.7297 70,577,000 0.05% 0.00%
Dec. 15, 2024 InterDigital, Inc. $IDCC BREZSKI RICHARD Chief Financial Officer D Common Stock 1 $195.86 120,012.5880 70,137,000 0.00% 0.00%
Dec. 15, 2024 InterDigital, Inc. $IDCC BREZSKI RICHARD Chief Financial Officer A Common Stock 4414 $0.00 122,022.4419 70,137,000 3.75% 0.01%
Dec. 15, 2024 InterDigital, Inc. $IDCC BREZSKI RICHARD Chief Financial Officer F Common Stock 2009 $195.86 120,013.4419 70,137,000 1.65% 0.00%
Oct. 23, 2024 InterDigital, Inc. $IDCC BREZSKI RICHARD Chief Financial Officer A Common Stock 63 $0.00 111,665.5880 70,137,000 0.06% 0.00%
July 24, 2024 InterDigital, Inc. $IDCC BREZSKI RICHARD Chief Financial Officer A Common Stock 182 $0.00 111,608.6058 70,001,000 0.16% 0.00%
April 24, 2024 InterDigital, Inc. $IDCC BREZSKI RICHARD Chief Financial Officer A Common Stock 84 $0.00 111,421.0177 69,638,000 0.08% 0.00%
March 15, 2024 InterDigital, Inc. $IDCC BREZSKI RICHARD Chief Financial Officer A Common Stock 10235 $0.00 111,338.1001 69,507,000 10.12% 0.01%
March 15, 2024 InterDigital, Inc. $IDCC BREZSKI RICHARD Chief Financial Officer F Common Stock 4302 $102.59 101,104.2595 69,507,000 4.08% 0.01%
March 15, 2024 InterDigital, Inc. $IDCC BREZSKI RICHARD Chief Financial Officer D Common Stock 1 $102.59 101,103.1001 69,507,000 0.00% 0.00%
March 15, 2024 InterDigital, Inc. $IDCC BREZSKI RICHARD Chief Financial Officer A Common Stock 8862 $0.00 109,367.3865 69,507,000 8.82% 0.01%
March 15, 2024 InterDigital, Inc. $IDCC BREZSKI RICHARD Chief Financial Officer F Common Stock 3961 $102.59 105,406.3865 69,507,000 3.62% 0.01%
March 15, 2024 InterDigital, Inc. $IDCC BREZSKI RICHARD Chief Financial Officer D Common Stock 0 $102.59 105,406.2595 69,507,000 0.00% 0.00%
Feb. 21, 2024 InterDigital, Inc. $IDCC BREZSKI RICHARD Chief Financial Officer S Common Stock 11302 $109.28 100,505.2595 69,507,000 10.11% 0.02%
Jan. 24, 2024 InterDigital, Inc. $IDCC BREZSKI RICHARD Chief Financial Officer A Common Stock 82 $0.00 111,797.2595 69,507,000 0.07% 0.00%
Dec. 15, 2023 InterDigital, Inc. $IDCC BREZSKI RICHARD Chief Financial Officer A Common Stock 736 $0.00 112,055.8412 71,923,000 0.66% 0.00%
Dec. 15, 2023 InterDigital, Inc. $IDCC BREZSKI RICHARD Chief Financial Officer F Common Stock 336 $109.30 111,719.8412 71,923,000 0.30% 0.00%
Dec. 15, 2023 InterDigital, Inc. $IDCC BREZSKI RICHARD Chief Financial Officer D Common Stock 0 $109.30 111,719.5988 71,923,000 0.00% 0.00%
Oct. 25, 2023 InterDigital, Inc. $IDCC BREZSKI RICHARD Chief Financial Officer A Common Stock 111 $0.00 111,331.5988 71,923,000 0.10% 0.00%
July 26, 2023 InterDigital, Inc. $IDCC BREZSKI RICHARD Chief Financial Officer A Common Stock 81 $0.00 111,200.7035 71,923,000 0.07% 0.00%
April 26, 2023 InterDigital, Inc. $IDCC BREZSKI RICHARD Chief Financial Officer A Common Stock 109 $0.00 111,115.5298 71,923,000 0.10% 0.00%
March 31, 2023 InterDigital, Inc. $IDCC BREZSKI RICHARD Chief Financial Officer A Common Stock 10288 $0.00 111,010.7168 71,923,000 10.21% 0.01%
March 15, 2023 InterDigital, Inc. $IDCC BREZSKI RICHARD Chief Financial Officer D Common Stock 0 $73.43 106,700.7646 71,923,000 0.00% 0.00%
March 15, 2023 InterDigital, Inc. $IDCC BREZSKI RICHARD Chief Financial Officer F Common Stock 11646 $73.43 106,701.2354 71,923,000 9.84% 0.02%
March 15, 2023 InterDigital, Inc. $IDCC BREZSKI RICHARD Chief Financial Officer A Common Stock 24896 $0.00 118,347.2354 71,923,000 26.64% 0.03%
March 15, 2023 InterDigital, Inc. $IDCC BREZSKI RICHARD Chief Financial Officer F Common Stock 5977 $73.43 100,723.7646 71,923,000 5.60% 0.01%
March 15, 2023 InterDigital, Inc. $IDCC BREZSKI RICHARD Chief Financial Officer D Common Stock 1 $73.43 100,722.7168 71,923,000 0.00% 0.00%
Feb. 28, 2023 InterDigital, Inc. $IDCC BREZSKI RICHARD Chief Financial Officer M Employee Stock Options (Right-to-Buy) 12518 $0.00 0.0000 71,923,000 100.00% 0.02%
Feb. 28, 2023 InterDigital, Inc. $IDCC BREZSKI RICHARD Chief Financial Officer M Common Stock 12518 $54.93 103,836.7646 71,923,000 13.71% 0.02%
Feb. 28, 2023 InterDigital, Inc. $IDCC BREZSKI RICHARD Chief Financial Officer S Common Stock 10386 $73.77 93,450.7646 71,923,000 10.00% 0.01%
Jan. 25, 2023 InterDigital, Inc. $IDCC BREZSKI RICHARD Chief Financial Officer A Common Stock 129 $0.00 91,318.7646 71,923,000 0.14% 0.00%