InsidersTradesSigma
Total declarations
Companies
▲ Purchases (0 ops.)
▼ Sales (5 ops.)
Insider track record
ExecutiveDisclosed buys
0
Disclosed sells
5
T+90 hit rate
40%
T+90 mean return
+1.4%
Across 10 buy signals with a settled T+90 return. Return basis: close on the day after publication.
Signal history
Browse the full record of transactions filed by Marcus Gail Boxer, Directeur. Director active across 2 companies, notably Natera, Inc.. In total, 23 disclosures have been logged. Breakdown: 0 buy · 5 sells. Total volume traded: €1.5m. Activity tracked since 1 February 2022. The latest transaction was disclosed on 1 May 2025 (Levée d'options). Regulator: SEC (Form 4). The full history is free.
Declarations23 total
1,571 sharesCommon StockSEC:0001702176-26-000005:0
98 sharesCommon StockSEC:0001702176-26-000005:1
4,000 shares@ US$24.425.3% of flowCommon StockSEC:0001415889-25-011881:0
1,130 shares@ US$7.860.5% of flowCommon StockSEC:0001415889-25-010104:0
4,000 shares@ US$7.861.8% of flowCommon StockSEC:0001415889-25-008166:0
7,582 shares@ US$159.831469.6% of flowCommon StockSEC:0001415889-24-027477:0
500 shares@ US$156.7544.5% of flowCommon StockSEC:0001415889-24-027013:0
2,964 sharesCommon StockSEC:0001415889-24-019067:0
2,000 shares@ US$110.16512.4% of flowCommon StockSEC:0001415889-24-015098:0
488 sharesCommon StockSEC:0001415889-24-011828:0
500 shares@ US$57.521.6% of flowCommon StockSEC:0001415889-23-016342:0
1,000 shares@ US$54.31363.0% of flowCommon StockSEC:0001415889-23-015461:0
5,500 sharesCommon StockSEC:0001415889-23-010852:0
7,068 sharesCommon StockSEC:0001415889-23-008884:0
148 shares@ US$54.730.4% of flowCommon StockSEC:0001415889-23-006659:0
203 shares@ US$40.010.5% of flowCommon StockSEC:0001415889-23-001141:0
178 shares@ US$45.420.5% of flowCommon StockSEC:0001415889-22-010700:0
223 shares0Common StockSEC:0001415889-22-009321:0
2,614 sharesCommon StockSEC:0001415889-22-005863:0
23,079 shares@ US$36.0050.0% of flowCommon StockSEC:0001209191-22-007029:0
23,079 shares@ US$36.0050.0% of flowCommon StockSEC:0001209191-22-007029
5,712 sharesCommon StockSEC:0001415889-21-002773
5,712 sharesCommon StockSEC:0001415889-21-002773:0
23 of 23 declarations
About Marcus Gail Boxer
Marcus Gail Boxer serves as a Director at Natera, Inc. and TRIPLE-S MANAGEMENT CORP. She contributes to the strategic direction of these companies by bringing her expertise in the healthcare sector. As a board member, Gail participates in policy development and oversight of operations. Her experience in the healthcare field is valuable in guiding these companies toward growth.
