Home/Insiders/SEIFERT THOMAS J
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SEC Insider//CIK 0001473289

SEIFERT THOMAS J

CIK 00014732895 companiesAUSTIN, TX

Transactions

50

Companies

5

Filings

2

CIK

0001473289

Recent Transactions

50 trades
  • Sale

    Class A Common Stock

    2026-02-20$190.35/sh2,613101,617 total
  • Conversion

    Class B Common Stock

    2026-02-2010,0008,925 total
  • Exercise/Conversion

    Class B Common Stock

    2026-02-20+10,00018,925 total
  • Exercise/Conversion

    Employee Stock Option (right to buy)

    2026-02-2010,00070,341 total
  • Sale

    Class A Common Stock

    2026-02-20$195.19/sh10085,452 total
  • Sale

    Class A Common Stock

    2026-02-20$194.05/sh39585,552 total
  • Sale

    Class A Common Stock

    2026-02-20$193.12/sh2,76685,947 total
  • Sale

    Class A Common Stock

    2026-02-20$192.18/sh4,77188,713 total
  • Sale

    Class A Common Stock

    2026-02-20$191.13/sh8,13393,484 total
  • Sale

    Class A Common Stock

    2026-02-20$188.77/sh300104,230 total
  • Sale

    Class A Common Stock

    2026-02-20$187.38/sh200104,530 total
  • Sale

    Class A Common Stock

    2026-02-20$186.10/sh500104,730 total
  • Sale

    Class A Common Stock

    2026-02-20$185.09/sh700105,230 total
  • Sale

    Class A Common Stock

    2026-02-20$183.78/sh1,000105,930 total
  • Sale

    Class A Common Stock

    2026-02-20$182.53/sh1,300106,930 total
  • Sale

    Class A Common Stock

    2026-02-20$181.82/sh1,500108,230 total
  • Sale

    Class A Common Stock

    2026-02-20$180.68/sh1,900109,730 total
  • Sale

    Class A Common Stock

    2026-02-20$179.51/sh2,400111,630 total
  • Sale

    Class A Common Stock

    2026-02-20$178.53/sh4,700114,030 total
  • Sale

    Class A Common Stock

    2026-02-20$177.18/sh8,279118,730 total
  • Conversion

    Class A Common Stock

    2026-02-20+10,000127,009 total
  • Tax Payment

    Class A Common Stock

    2026-02-15$195.85/sh20,477117,009 total
  • Award

    Class A Common Stock

    2026-02-06+142,116227,568 total
  • Conversion

    Class A Common Stock

    2026-01-20+10,000147,486 total
  • Conversion

    Class B Common Stock

    2026-01-2010,0008,925 total
  • Exercise/Conversion

    Class B Common Stock

    2026-01-20+10,00018,925 total
  • Exercise/Conversion

    Employee Stock Option (right to buy)

    2026-01-2010,00080,341 total
  • Sale

    Class A Common Stock

    2026-01-20$181.98/sh100137,486 total
  • Sale

    Class A Common Stock

    2026-01-20$181.27/sh600137,586 total
  • Sale

    Class A Common Stock

    2026-01-20$180.09/sh1,900138,186 total
  • Sale

    Class A Common Stock

    2026-01-20$179.41/sh1,200140,086 total
  • Sale

    Class A Common Stock

    2026-01-20$178.08/sh1,800141,286 total
  • Sale

    Class A Common Stock

    2026-01-20$177.17/sh3,472143,086 total
  • Sale

    Class A Common Stock

    2026-01-20$176.27/sh928146,558 total
  • Sale

    Class A Common Stock

    2025-11-20$199.75/sh3,400140,589 total
  • Sale

    Class A Common Stock

    2025-11-20$191.45/sh13,331163,438 total
  • Sale

    Class A Common Stock

    2025-11-20$190.31/sh2,272176,769 total
  • Sale

    Class A Common Stock

    2025-11-20$194.34/sh1,900150,147 total
  • Exercise/Conversion

    Class B Common Stock

    2025-11-20+10,00018,925 total
  • Sale

    Class A Common Stock

    2025-11-20$202.96/sh100137,486 total
  • Sale

    Class A Common Stock

    2025-11-20$200.42/sh1,703138,886 total
  • Sale

    Class A Common Stock

    2025-11-20$198.83/sh2,700143,989 total
  • Sale

    Class A Common Stock

    2025-11-20$197.65/sh1,358146,689 total
  • Exercise/Conversion

    Employee Stock Option (right to buy)

    2025-11-2010,000100,341 total
  • Sale

    Class A Common Stock

    2025-11-20$193.50/sh2,725152,047 total
  • Sale

    Class A Common Stock

    2025-11-20$196.39/sh600148,047 total
  • Conversion

    Class B Common Stock

    2025-11-2010,0008,925 total
  • Sale

    Class A Common Stock

    2025-11-20$202.31/sh1,300137,586 total
  • Sale

    Class A Common Stock

    2025-11-20$192.47/sh8,666154,772 total
  • Conversion

    Class A Common Stock

    2025-11-20+10,000179,041 total