Austin So

Companies

• Armstrong World IndustriesSVP Gen Cnsl, Compliance Feb 3, 2022 to now¹
• Stonemor Inc.Officer Dec 7, 2020 to Feb 8, 2022²
• Stonemor Inc.General counsel Jan 2, 2020 to Jan 2, 2020³

Holdings

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

Shares held

• Armstrong World Industries AWI8,968 shares⁴$1.5M at $167.40Feb 27, 2026
• SStonemor Inc.0 shares⁵Feb 7, 2022

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

Recent filings

• Feb 27, 2026Shares withheld for tax 1,161 shares at $173.50 of Armstrong World Industries⁴
• Feb 27, 2026Exercised options 2,595 shares at $173.50 of Armstrong World Industries⁴
• Apr 8, 2025Shares withheld for tax 3,017 shares at $126.10 of Armstrong World Industries⁶
• Apr 8, 2025Exercised options 8,049 shares of Armstrong World Industries⁶
• Jan 31, 2025Shares withheld for tax 410 shares at $151.01 of Armstrong World Industries⁷
• Jan 31, 2025Exercised options 1,269 shares of Armstrong World Industries⁷
• Feb 1, 2024Shares withheld for tax 429 shares at $102.25 of Armstrong World Industries⁸
• Feb 1, 2024Shares withheld for tax 429 shares at $102.25 of Armstrong World Industries⁹
• Feb 1, 2024Exercised options 1,268 shares of Armstrong World Industries⁸
• Feb 1, 2024Exercised options 1,268 shares of Armstrong World Industries⁹
• Feb 1, 2023Shares withheld for tax 464 shares at $80.04 of Armstrong World Industries¹⁰
• Feb 1, 2023Exercised options 1,268 shares of Armstrong World Industries¹⁰
• Feb 7, 2022Returned to company 37,667 shares of Stonemor Inc.⁵