InsidersTradesSigma
申报总数
公司
▲ 买入（1 笔）
▼ 卖出（0 笔）
内部人交易记录
高级管理人员已披露买入
1
已披露卖出
0
T+90 胜率
100%
T+90 平均收益
+0.4%
基于 1 个已确定 T+90 收益的买入信号。收益基准：公布次日的收盘价。
信号历史
无可用的信号评分。
Explore the full record of transactions filed by Stonesifer Sandra M., Vice-Présidente, Responsable des Ressources Humaines. Officer active across 1 company, notably Graham Holdings Co. In total, 3 reports have been logged. Split: 1 buy · 0 sell. Total volume traded: €10k. Activity tracked since 30 December 2021. The latest transaction was filed on 2 January 2025 (Attribution). Regulator: SEC (Form 4). All data is openly available.
Companies and markets linked to Stonesifer Sandra M.
Open company profiles for insider transactions, fundamentals and analyst consensus when available.
申报3 总计
401 股0Class B Common StockSEC:0000104889-25-000006:0
525 股0Class B Common StockSEC:0000104889-23-000011:0
20 股@ US$591.99100.0% 占其流量Class B Common StockSEC:0000104889-22-000006:0
标准退出：2022年3月30日 (T+90)
3 条申报中的 3 条
About Stonesifer Sandra M.
Sandra M. Stonesifer serves as Vice President and Chief Human Resources Officer at Graham Holdings Co. She manages all human resources functions, including recruitment, training, and employee development. Her role is essential in promoting a positive corporate culture and aligning human resources strategies with the company's objectives.
