Mark Altmeyer

Pres&Chief Commercial Officer, Sio Gene Therapies Inc.

Companies

Alector (United States)Board member Mar 21, 2024 to now¹
Myovant Sciences Ltd.Board member Oct 26, 2016 to Sep 4, 2018²
Sio Gene Therapies Inc.Pres&Chief Commercial Officer Jun 10, 2015 to Mar 16, 2018³

Holdings

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

Shares held

Alector (United States) ALEC98,650 shares⁴$190.9K at $1.94Jun 17, 2026

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

Recent filings

Jun 17, 2026Granted 28,700 shares of Alector (United States)⁴
Jun 11, 2025Granted 28,700 shares of Alector (United States)⁵
Mar 19, 2024Granted 41,250 shares of Alector (United States)⁶

Sources

The numbers on this page point here. Each one links to the record it came from.

1
SEC EDGARAlector (United States), Board member
2
SEC EDGARMyovant Sciences Ltd., Board member
3
SEC EDGARSio Gene Therapies Inc., Pres&Chief Commercial Officer
4
SEC EDGARAlector (United States) shares after the filing of Jun 17, 2026
5
SEC EDGARForm 4 filed Jun 12, 2025
6
SEC EDGARForm 4 filed Mar 21, 2024