InsidersTradesSigma
Total declarations
Companies
▲ Purchases (0 ops.)
▼ Sales (8 ops.)
Insider track record
ExecutiveDisclosed buys
0
Disclosed sells
8
T+90 hit rate
68%
T+90 mean return
+10.7%
Across 19 buy signals with a settled T+90 return. Return basis: close on the day after publication.
Signal history
Discover the detailed record of transactions filed by Markley John D. Jr., Director. Insider active across 2 companies, notably InterDigital, Inc.. Cumulatively, 35 reports have been logged. Breakdown: 0 buy · 8 sells. Total volume traded: €1.1m. History available since 2 June 2021. The latest transaction was disclosed on 10 February 2026 (Cession). Regulator: SEC (Form 4). The full history is openly available.
Declarations35 total
700 shares@ US$374.9536.7% of flowCommon StockSEC:0001628280-26-007502
700 shares@ US$374.950.0027% mcap36.7% of flowCommon StockSEC:0001628280-26-007502:0
12.568 shares0Common StockSEC:0001628280-25-020008:0
10.446 shares0Common StockSEC:0001628280-25-002492:0
11.931 shares0Common StockSEC:0001628280-24-043742:0
13.115 shares0Common StockSEC:0001628280-24-033086:0
750 shares@ US$115.287.5% of flowCommon StockSEC:0001628280-24-027817:0
0.607 shares@ US$117.300.0% of flowCommon StockSEC:0001628280-24-027507:0
1,711 shares0Common StockSEC:0001405495-24-000081:0
17.847 shares0Common StockSEC:0001628280-24-018641:0
16.851 shares0Common StockSEC:0001405495-24-000022:0
22.883 shares0Common StockSEC:0001209191-23-053757:0
16.75 shares0Common StockSEC:0001209191-23-043677:0
1,100 shares@ US$86.178.3% of flowCommon StockSEC:0001209191-23-035812:0
0.295 shares@ US$83.490.0% of flowCommon StockSEC:0001209191-23-034451:0
26.455 shares0Common StockSEC:0001209191-23-025950:0
4,274 shares@ US$73.8628.0% of flowCommon StockSEC:0001209191-23-013645:0
26.269 shares0Common StockSEC:0001209191-23-005240:0
36.046 shares0Common StockSEC:0001209191-22-054795:0
29.448 shares0Common StockSEC:0001209191-22-043504:0
800 shares@ US$66.830.0006% mcap8.3% of flowCommon StockSEC:0001209191-22-034818:0
2,877 shares0Common StockSEC:0001209191-22-034034:0
27.74 shares0Common StockSEC:0001209191-22-026281:0
23.691 shares0Common StockSEC:0001209191-22-005406:0
23.691 shares0Common StockSEC:0001209191-22-005406
25 of 35 declarations
About Markley John D. Jr.
John D. Markley Jr. is a director at InterDigital, Inc.
