InsidersTradesSigma
Total declarations
Companies
▲ Purchases (0 ops.)
▼ Sales (1 ops.)
Insider track record
Board DirectorDisclosed buys
0
Disclosed sells
1
T+90 hit rate
83%
T+90 mean return
+27.3%
Across 6 buy signals with a settled T+90 return. Return basis: close on the day after publication.
Signal history
Discover the full record of transactions filed by Seibel Michael, Director. Director active across 3 companies, notably DROPBOX, INC.. Cumulatively, 15 filings have been published. Breakdown: 0 buy · 1 sell. Total volume traded: €2.9m. History available since 20 May 2021. The latest transaction was filed on 5 July 2026 (Attribution). Regulator: SEC (Form 4). The full history is accessible without signup.
Declarations15 total
103 shares0Class A Common StockSEC:0001835628-26-000008:0
101 shares0Class A Common StockSEC:0001713445-26-000044:0
79 shares0Class A Common StockSEC:0001835628-25-000005:0
4,300 shares0Class A Common StockSEC:0001835628-25-000003:0
144 shares0Class A Common StockSEC:0001713445-25-000182:0
2,285 shares0Class A Common StockSEC:0001713445-25-000158:0
8,443 shares0Class A Common StockSEC:0001467623-25-000085:0
104 shares0Class A Common StockSEC:0001713445-25-000073:0
27,897 shares@ US$111.26100.0% of flowClass A Common StockSEC:0001713445-24-000106:0
31,697 sharesClass A Common StockSEC:0001713445-24-000046:0
5,128 shares0Class A Common StockSEC:0001713445-24-000025:0
10,478 shares0Class A Common StockSEC:0001562180-24-004213:0
11,077 shares0Class A Common StockSEC:0001562180-23-004370:0
12,297 shares0Class A Common StockSEC:0001562180-22-004355:0
9,335 shares0Class A Common StockSEC:0001562180-21-003715:0
15 of 15 declarations
About Seibel Michael
Michael Seibel is a Board Member at DROPBOX, INC. He plays a key role in the governance of the company, bringing his expertise in technology and management. His involvement is essential in guiding strategic decisions.
