Chapman Steven Leonard

SEC CIK
0001711968

Latest role at each company

Trades

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

Insider trades
CompanyFiled (ET)Trade dateInsiderTransactionSharesAvg priceValueShares afterHolding changeFiling
NTRANatera, Inc.Sep 3, 20269:05 PM ETSep 1, 2026Chapman Steven LeonardCEO AND PRESIDENTSSaleCommon Stock−1.7K$320.99−$545.04K98.2K−1.7%SEC10b5-1
NTRANatera, Inc.Aug 5, 20269:35 PM ETAug 3, 2026Chapman Steven LeonardCEO AND PRESIDENTSSaleCommon Stock−3.08K$266.395−$819.43K99.9K−3.0%SEC10b5-1
NTRANatera, Inc.Jul 29, 20269:35 PM ETJul 27 – Jul 28, 2026Chapman Steven LeonardCEO AND PRESIDENTSSaleCommon Stock−5.77K$256.5073−$1.48M102.97K−5.3%SEC10b5-1
NTRANatera, Inc.Jun 5, 2026Jun 4, 2026Chapman Steven LeonardCEO AND PRESIDENTSSaleCommon Stock−41.12K$221.0338−$9.09M108.74K−27.4%SEC10b5-1
NTRANatera, Inc.May 5, 2026May 1, 2026Chapman Steven LeonardCEO AND PRESIDENTSSaleCommon Stock−902$206.16−$185.96K149.87K−0.6%SEC10b5-1
NTRANatera, Inc.Apr 29, 2026Apr 27, 2026Chapman Steven LeonardCEO AND PRESIDENTSSaleCommon Stock−5.84K$204.1409−$1.19M150.77K−3.7%SEC10b5-1
NTRANatera, Inc.Mar 11, 2026Mar 10, 2026Chapman Steven LeonardCEO AND PRESIDENTSSaleCommon Stock−5.62K$204.13−$1.15M156.61K−3.5%SEC10b5-1
NTRANatera, Inc.Mar 3, 2026Mar 2, 2026Chapman Steven LeonardCEO AND PRESIDENTSSaleCommon Stock−3.95K$200.0229−$790.09K156.61K−2.5%SEC10b5-1
NTRANatera, Inc.Feb 4, 2026Feb 2 – Feb 3, 2026Chapman Steven LeonardCEO AND PRESIDENTSSaleCommon Stock−90.02K$230.7229−$20.77M123.16K−42.2%SEC10b5-1
NTRANatera, Inc.Jan 29, 2026Jan 27 – Jan 28, 2026Chapman Steven LeonardCEO AND PRESIDENTSSaleCommon Stock−5.97K$238.7763−$1.43M213.18K−2.7%SEC10b5-1
NTRANatera, Inc.Jan 22, 2026Jan 20 – Jan 21, 2026Chapman Steven LeonardCEO AND PRESIDENTSSaleCommon Stock−73.52K$234.7456−$17.26M219.15K−25.1%SEC10b5-1
NTRANatera, Inc.Jan 6, 2026Jan 2, 2026Chapman Steven LeonardCEO AND PRESIDENTSSaleCommon Stock−3.85K$229.0774−$881.49K136.57K−2.7%SEC10b5-1
NTRANatera, Inc.Dec 3, 2025Dec 1, 2025Chapman Steven LeonardCEO AND PRESIDENTSSaleCommon Stock−4.4K$238.0725−$1.05M140.42K−3.0%SEC10b5-1
NTRANatera, Inc.Nov 3, 2025Nov 3, 2025Chapman Steven LeonardCEO AND PRESIDENTSSaleCommon Stock−160.7K$199.9605−$32.13M144.82K−52.6%SEC10b5-1
NTRANatera, Inc.Oct 29, 2025Oct 27 – Oct 28, 2025Chapman Steven LeonardCEO AND PRESIDENTSSaleCommon Stock−6.02K$191.7938−$1.15M149.84K−3.9%SEC10b5-1
NTRANatera, Inc.Oct 22, 2025Oct 21, 2025Chapman Steven LeonardCEO AND PRESIDENTSSaleCommon Stock−1.6K$187.95−$301.28K155.86K−1.0%SEC10b5-1
NTRANatera, Inc.Oct 1, 2025Sep 30 – Oct 1, 2025Chapman Steven LeonardCEO AND PRESIDENTSSaleCommon Stock−23.19K$160.8018−$3.73M154.07K−13.1%SEC10b5-1
NTRANatera, Inc.Sep 5, 2025Sep 2, 2025Chapman Steven LeonardCEO AND PRESIDENTSSaleCommon Stock−5.08K$166.5311−$845.81K158.51K−3.1%SEC10b5-1
NTRANatera, Inc.Aug 5, 2025Aug 1, 2025Chapman Steven LeonardCEO AND PRESIDENTSSaleCommon Stock−5.81K$132.8842−$771.66K163.59K−3.4%SEC10b5-1
NTRANatera, Inc.Jul 30, 2025Jul 28, 2025Chapman Steven LeonardCEO AND PRESIDENTSSaleCommon Stock−6.09K$139.81−$851.72K169.4K−3.5%SEC10b5-1
NTRANatera, Inc.Jul 22, 2025Jul 21, 2025Chapman Steven LeonardCEO AND PRESIDENTSSaleCommon Stock−1.62K$139.29−$225.93K175.49K−0.9%SEC10b5-1
NTRANatera, Inc.Jul 3, 2025Jul 1, 2025Chapman Steven LeonardCEO AND PRESIDENTSSaleCommon Stock−2.16K$165.5575−$356.94K173.73K−1.2%SEC10b5-1
NTRANatera, Inc.Jul 3, 2025Jul 1, 2025Chapman Steven LeonardCEO AND PRESIDENTSSaleCommon Stck−3.19K$167.19−$532.83K174.38K−1.8%SEC10b5-1
NTRANatera, Inc.Jun 4, 2025Jun 2, 2025Chapman Steven LeonardCEO AND PRESIDENTSSaleCommon Stock−6.11K$157.1065−$960.08K179.07K−3.3%SEC10b5-1
NTRANatera, Inc.May 2, 2025May 1, 2025Chapman Steven LeonardCEO AND PRESIDENTSSaleCommon Stock−6.98K$150.0986−$1.05M185.18K−3.6%SEC10b5-1
NTRANatera, Inc.Apr 30, 2025Apr 28, 2025Chapman Steven LeonardCEO AND PRESIDENTSSaleCommon Stock−6.2K$152.18−$943.97K192.16K−3.1%SEC10b5-1
NTRANatera, Inc.Apr 22, 2025Apr 21, 2025Chapman Steven LeonardCEO AND PRESIDENTSSaleCommon Stock−1.66K$145.5467−$242.19K198.37K−0.8%SEC10b5-1
NTRANatera, Inc.Apr 1, 2025Mar 31 – Apr 1, 2025Chapman Steven LeonardCEO AND PRESIDENTSSaleCommon Stock−25.46K$139.7005−$3.56M196.64K−11.5%SEC10b5-1
NTRANatera, Inc.Mar 19, 2025Mar 17, 2025Chapman Steven LeonardCEO AND PRESIDENTSSaleCommon Stock−6.7K$146.03−$978.69K203.35K−3.2%SEC10b5-1
NTRANatera, Inc.Mar 7, 2025Mar 5, 2025Chapman Steven LeonardCEO AND PRESIDENTSSaleCommon Stock−87.27K$143.4041−$12.52M203.35K−30.0%SEC10b5-1
NTRANatera, Inc.Jan 31, 2025Jan 29, 2025Chapman Steven LeonardCEO AND PRESIDENTSSaleCommon Stock−13.69K$165.8711−$2.27M253.94K−5.1%SEC10b5-1
NTRANatera, Inc.Jan 22, 2025Jan 22, 2025Chapman Steven LeonardCEO AND PRESIDENTSSaleCommon Stock−78.55K$164.9673−$12.96M267.63K−22.7%SEC10b5-1
NTRANatera, Inc.Nov 15, 2024Nov 15, 2024Chapman Steven LeonardCEO AND PRESIDENTSSaleCommon Stock−4.63K$146.4096−$677.58K185.03K−2.4%SEC10b5-1
NTRANatera, Inc.Nov 15, 2024Nov 15, 2024Chapman Steven LeonardCEO AND PRESIDENTSSaleCommon Stok−100$146.35−$14.64K186.88K−0.1%SEC10b5-1
NTRANatera, Inc.Oct 30, 2024Oct 28, 2024Chapman Steven LeonardCEO AND PRESIDENTSSaleCommon Stock−3.96K$118.21−$468.11K189.76K−2.0%SEC10b5-1
NTRANatera, Inc.Oct 22, 2024Oct 21 – Oct 22, 2024Chapman Steven LeonardCEO AND PRESIDENTSSaleCommon Stock−2.6K$120.5232−$313.6K193.72K−1.3%SEC10b5-1
NTRANatera, Inc.Oct 17, 2024Oct 15, 2024Chapman Steven LeonardCEO AND PRESIDENTSSaleCommon Stock−4.52K$130.40−$589.8K191.16K−2.3%SEC10b5-1
NTRANatera, Inc.Sep 18, 2024Sep 16, 2024Chapman Steven LeonardCEO AND PRESIDENTSSaleCommon Stock−5.02K$128.4788−$645.48K195.69K−2.5%SEC10b5-1
NTRANatera, Inc.Aug 16, 2024Aug 15, 2024Chapman Steven LeonardCEO AND PRESIDENTSSaleCommon Stock−5.58K$118.9151−$663.9K200.71K−2.7%SEC10b5-1
NTRANatera, Inc.Jul 31, 2024Jul 29, 2024Chapman Steven LeonardCEO AND PRESIDENTSSaleCommon Stock−4.08K$102.77−$419.71K206.29K−1.9%SEC10b5-1
NTRANatera, Inc.Jul 23, 2024Jul 22, 2024Chapman Steven LeonardCEO AND PRESIDENTSSaleCommon Stock−2.64K$105.16−$277.41K210.38K−1.2%SEC10b5-1
NTRANatera, Inc.Jul 17, 2024Jul 15, 2024Chapman Steven LeonardCEO AND PRESIDENTSSaleCommon Stock−5.5K$111.6539−$613.65K207.86K−2.6%SEC10b5-1
NTRANatera, Inc.Jul 2, 2024Jul 1, 2024Chapman Steven LeonardCEO AND PRESIDENTSSaleCommon Stock−37.5K$108.0998−$4.05M213.35K−14.9%SEC10b5-1
NTRANatera, Inc.Jun 18, 2024Jun 17, 2024Chapman Steven LeonardCEO AND PRESIDENTSSaleCommon Stock−6.11K$111.6121−$681.39K213.35K−2.8%SEC10b5-1
NTRANatera, Inc.May 17, 2024May 15, 2024Chapman Steven LeonardCEO AND PRESIDENTSSaleCommon Stock−6.78K$107.0797−$725.89K219.46K−3.0%SEC10b5-1
NTRANatera, Inc.May 1, 2024Apr 29, 2024Chapman Steven LeonardCEO AND PRESIDENTSSaleCommon Stock−4.08K$93.14−$380.38K226.24K−1.8%SEC10b5-1
NTRANatera, Inc.Apr 23, 2024Apr 23, 2024Chapman Steven LeonardCEO AND PRESIDENTSSaleCommon Stock−2.55K$91.38−$233.2K230.32K−1.1%SEC10b5-1
NTRANatera, Inc.Apr 17, 2024Apr 15, 2024Chapman Steven LeonardCEO AND PRESIDENTSSaleCommon Stock−6.82K$93.1346−$634.81K227.71K−2.9%SEC10b5-1
NTRANatera, Inc.Mar 29, 2024Mar 15, 2024Chapman Steven LeonardCEO AND PRESIDENTSSaleCommon Stock−50.91K$89.0187−$4.53M0−100.0%SEC10b5-1
NTRANatera, Inc.Mar 29, 2024Mar 28, 2024Chapman Steven LeonardCEO AND PRESIDENTSSaleCommon Stock−2.66K$90.42−$240.7K234.53K−1.1%SEC10b5-1