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Marcus Gail Boxer

In the past year, 2 open-market sale filings worth $2.41M and no purchases.

Current role at each company

  • NTRA Natera, Inc.Directoras of Jun 30, 2026
  • Triple-S Management CorpDirectoras of Feb 3, 2022

Open-market trades in the past year

Open-market purchases (P) and sales (S) filed in the last 365 days, not counting derivative securities or duplicate filings. Values leave out price outliers.

Bought
–
0 filings
Sold
$2.41M
2 filings
Net
−$2.41M
Bought minus sold
Companies
1
With open-market trades

Trades

Every Form 4 that lists Marcus Gail Boxer as a reporting owner, including filings made jointly with others, grouped by company. Each row adds up one type of transaction in one filing. Only open-market purchases (P) and sales (S) are shown by default.

NTRA Natera, Inc.

Director13 trades

Insider trades
Filed (ET)Trade dateFiling delayInsiderTransactionSharesAvg priceValueHolding changeFlags
Nov 22, 2023 (view filing)Nov 211 dayMarcus Gail BoxerDirectorSSale−1.00K$54.31−$54.3K−4.6%20.6K after
Dec 12, 2023 (view filing)Dec 84 daysMarcus Gail BoxerDirectorSSale−500$57.52−$28.8K−2.4%20.1K after
May 31, 2024 (view filing)May 301 dayMarcus Gail BoxerDirectorSSale−2.00K$110.17−$220.3K−9.7%18.6K after
Nov 15, 2024 (view filing)Nov 141 dayMarcus Gail BoxerDirectorSSale−2.21K$158.53−$350.7K−10.2%19.4K after5 lots
Nov 21, 2024 (view filing)Nov 192 daysMarcus Gail BoxerDirectorSSale−9.68K$159.98−$1.55M−49.9%9.70K after2 lots
Mar 14, 2025 (view filing)Mar 122 daysMarcus Gail BoxerDirectorSSale−4.00K$147.69−$590.8K−29.2%9.70K after4 lots10b5-1
Apr 3, 2025 (view filing)Apr 12 daysMarcus Gail BoxerDirectorSSale−4.00K$140.77−$563.1K−29.2%9.70K after5 lots10b5-1
May 2, 2025 (view filing)May 11 dayMarcus Gail BoxerDirectorSSale−4.00K$151.61−$606.4K−29.2%9.70K after7 lots10b5-1
Jun 11, 2025 (view filing)Jun 101 dayMarcus Gail BoxerDirectorSSale−4.00K$164.44−$657.8K−41.2%5.70K after2 lots10b5-1
Jul 3, 2025 (view filing)Jul 12 daysMarcus Gail BoxerDirectorSSale−4.30K$167.36−$719.5K−34.6%8.12K after2 lots10b5-1

See all 13 trades at NTRA