Howard Machek

Companies

• Centratama Telekomunikasi IndonesiaChief Accounting Officer Sep 8, 2015 to now¹

Holdings

Stock this person has reported owning, from the forms officers and directors file with the SEC. See the biggest insider stakes.

Shares held

• Centratama Telekomunikasi Indonesia CENT8,371 shares²$351.9K at $42.04Jul 14, 2026

As of each latest filing. The line shows shares held over time.

Recent filings

• Jul 13, 2026Shares withheld for tax 3,924 shares at $37.59 of Centratama Telekomunikasi Indonesia²
• Feb 11, 2026Granted 6,250 shares of Centratama Telekomunikasi Indonesia³
• Feb 6, 2026Shares withheld for tax 1,329 shares at $33.60 of Centratama Telekomunikasi Indonesia⁴
• Jan 30, 2026Shares withheld for tax 3,667 shares at $30.22 of Centratama Telekomunikasi Indonesia⁵
• Jan 30, 2026Exercised options 4,255 shares at $22.80 of Centratama Telekomunikasi Indonesia⁵
• Jan 30, 2026Shares withheld for tax 985 shares at $30.22 of Centratama Telekomunikasi Indonesia⁵
• Jan 30, 2026Granted 2,253 shares of Centratama Telekomunikasi Indonesia⁵
• Jul 13, 2025Shares withheld for tax 3,924 shares at $35.85 of Centratama Telekomunikasi Indonesia⁶
• Feb 11, 2025Granted 2,974 shares of Centratama Telekomunikasi Indonesia⁷
• Feb 9, 2025Shares withheld for tax 838 shares at $32.79 of Centratama Telekomunikasi Indonesia⁸
• Feb 6, 2025Shares withheld for tax 672 shares at $34.04 of Centratama Telekomunikasi Indonesia⁹
• Jul 13, 2024Shares withheld for tax 3,923 shares at $32.91 of Centratama Telekomunikasi Indonesia¹⁰
• May 14, 2024Sold 10,000 shares at $40.05 of Centratama Telekomunikasi Indonesia¹¹
• May 13, 2024Shares withheld for tax 7,345 shares at $40.22 of Centratama Telekomunikasi Indonesia¹¹
• May 13, 2024Exercised options 10,000 shares at $22.80 of Centratama Telekomunikasi Indonesia¹¹
• Mar 29, 2024Shares withheld for tax 587 shares at $36.43 of Centratama Telekomunikasi Indonesia¹²
• Feb 14, 2024Sold 5,000 shares at $36.40 of Centratama Telekomunikasi Indonesia¹³
• Feb 13, 2024Shares withheld for tax 3,576 shares at $36.97 of Centratama Telekomunikasi Indonesia¹³
• Feb 13, 2024Exercised options 4,681 shares at $21.76 of Centratama Telekomunikasi Indonesia¹³
• Feb 9, 2024Shares withheld for tax 177 shares at $37.52 of Centratama Telekomunikasi Indonesia¹⁴
• Feb 9, 2024Shares withheld for tax 267 shares at $37.52 of Centratama Telekomunikasi Indonesia¹⁴
• Feb 9, 2024Shares withheld for tax 373 shares at $37.52 of Centratama Telekomunikasi Indonesia¹⁴
• Feb 6, 2024Granted 3,007 shares of Centratama Telekomunikasi Indonesia¹⁵
• Dec 15, 2023Shares withheld for tax 4,770 shares at $42.33 of Centratama Telekomunikasi Indonesia¹⁶
• Dec 15, 2023Exercised options 6,000 shares at $27.20 of Centratama Telekomunikasi Indonesia¹⁶