InsidersTradesSigma
Total declarations
Company
▲ Purchases (0 ops.)
▼ Sales (12 ops.)
Insider track record
Board DirectorDisclosed buys
0
Disclosed sells
12
T+90 hit rate
100%
T+90 mean return
+14.6%
Across 3 buy signals with a settled T+90 return. Return basis: close on the day after publication.
Signal history
Browse the detailed record of transactions filed by Stamm John Richard, Director. Director active across 1 company, notably Vertex, Inc.. Cumulatively, 19 disclosures have been logged. Breakdown: 0 buy · 12 sells. Total volume traded: €2.4m. Activity tracked since 11 May 2021. The latest transaction was disclosed on 6 December 2024 (Cession). Regulator: SEC (Form 4). All data is openly available.
Declarations19 total
3,815 shares@ US$56.118.4% of flowClass A Common StockSEC:0001415889-24-028828:0
1,100 shares0Class A Common StockSEC:0001415889-24-027801:0
5,000 shares@ US$35.41456.6% of flowClass A Common StockSEC:0001415889-24-023439:0
16,000 shares@ US$3.7342.2% of flowClass A Common StockSEC:0001415889-24-022235:0
5,705 shares0Class A Common StockSEC:0001415889-24-016886:0
6,500 shares@ US$29.487.3% of flowClass A Common StockSEC:0001415889-24-007170:0
10,000 shares@ US$26.848310.2% of flowClass A Common StockSEC:0001415889-23-016729:0
10,691 shares@ US$22.41069.2% of flowClass A Common StockSEC:0001415889-23-012800:0
8,815 shares0Class A Common StockSEC:0001415889-23-009822:0
11,843 shares@ US$18.3738.5% of flowClass A Common StockSEC:0001415889-23-004944:0
15,121 shares0Class A Common StockSEC:0001415889-22-006593:0
12,000 shares@ US$16.880.0056% mcap31.3% of flowClass A Common StockSEC:0001415889-21-005729
12,000 shares@ US$16.880.0056% mcap15.7% of flowClass A Common StockSEC:0001415889-21-005729:0
8,678 shares@ US$19.1740.0045% mcap12.5% of flowClass A Common StockSEC:0000899243-21-034150:0
8,678 shares@ US$19.1745.9% of flowClass A Common StockSEC:0000899243-21-034150
16,000 shares@ US$18.98310.4% of flowClass A Common StockSEC:0001104659-21-082637
16,000 shares@ US$18.9830.0079% mcap21.9% of flowClass A Common StockSEC:0001104659-21-082637:0
8,494 shares0Class A Common StockSEC:0001104659-21-066094:0
8,494 shares0Class A Common StockSEC:0001104659-21-066094
19 of 19 declarations
About Stamm John Richard
John Richard Stamm is a Board Member at Vertex, Inc. His role on the board allows him to contribute to the strategy and governance of the company, bringing his expertise in the technology sector.
