InsidersTradesSigma
Total declarations
Company
▲ Purchases (2 ops.)
▼ Sales (1 ops.)
Insider track record
Board DirectorDisclosed buys
2
Disclosed sells
1
T+90 hit rate
50%
T+90 mean return
-5.9%
Across 6 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 Mason Heather L, Director. Director active across 1 company, notably Assertio Holdings, Inc.. Cumulatively, 13 reports have been recorded. Split: 2 buys · 1 sell. Total volume traded: €684k. History available since 11 May 2021. The latest transaction was filed on 13 May 2026 (Don). Regulator: SEC (Form 4). The full history is accessible without signup.
Declarations13 total
6,666 shares0Common StockSEC:0001104659-26-062827:1
6,666 shares0Common StockSEC:0001104659-26-062827
6,666 shares0Common StockSEC:0001104659-26-062827:0
53,750 shares0Common StockSEC:0001104659-25-046865:0
75,000 shares@ US$0.808.3% of flowCommon StockSEC:0001104659-24-120396:0
Ideal exit: 15 Aug 2025 (T+270)
25,000 shares@ US$0.973.3% of flowCommon StockSEC:0001104659-24-069165:0
Ideal exit: 2 Mar 2025 (T+270)
89,286 shares@ US$7.302588.4% of flowCommon StockSEC:0001104659-23-063278:0
31,194 shares0Common StockSEC:0001808665-23-000036:0
86,286 shares0Common StockSEC:0001432601-22-000002:0
3,598 shares0Common StockSEC:0001432601-22-000001:0
3,598 shares0Common StockSEC:0001432601-22-000001
357,143 shares0Common StockSEC:0001808665-21-000044:0
357,143 shares0Common StockSEC:0001808665-21-000044
13 of 13 declarations
About Mason Heather L
Heather L. Mason is a Board Member of Assertio Holdings, Inc. She plays a key role in governance and strategy for the company. Her experience in the pharmaceutical sector is valuable for the board.
