Updated: May 19, 2026

Steven Leonard Chapman

NTRANatera, Inc.SEC CIK: 0001711968
Estimated Net Worth
$319 Million36.1%vs Last Year
Last Updated: May 19, 2026 11:45 PM EST

Transaction Summary

Total Transactions167
Buy-Sell Ratio0.00
Buy Transactions0
Sell Transactions150

Transaction Volume

Total Volume-$212.41M
Net Volume$212.41M
Buy Volume$0.00
Sell Volume-$212.41M

Trade Analysis

AVG Trade Size-$1.27M
Largest Trade$0.00
Most Active MonthMar
Most Active Year2021

Trading Sentiment

OverallBullish
Recent TradeSelling
Last 90 Days-2 Trades
ConvictionMedium

Net Worth & Trading Activity Over Time

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Monthly Trading Pattern

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Past Insider Trading and Trends

Steven Leonard Chapman has an estimated net worth of $319 Million. This is based on reported shares in Natera, Inc..



2021 was Steven Leonard Chapman's most active year for acquiring shares with 96 total transactions. Steven Leonard Chapman's most active month to acquire stocks was the month of December. 2021 was Steven Leonard Chapman's most active year for disposing of shares, totalling 181 transactions. Steven Leonard Chapman's most active month to dispose stocks was the month of February. 2025 saw Steven Leonard Chapman paying a total of $18,062,483.49 for 407,869 shares, this is the most they've acquired in one year. In 2025 Steven Leonard Chapman cashed out on 715,160 shares for a total of $77,423,751.67, their largest year based on trade value.

Holdings & Transactions

NTRAnatera, inc.
CEO AND PRESIDENT
Updated: May 05, 2026VIEW QUOTE
Form TypeSEC Filing
-0.01902.00$206.16-$185.96K149.87KScheduledMay 01View
-0.045.84K$204.14-$1.19M150.77KScheduledApr 27View
$204.13-$1.15M156.61KScheduledMar 09 - 10View
0.2733.45K$200.02-$790.09K156.61KScheduledFeb 27 - 02View
-0.4290.02K$230.72-$20.77M123.16KScheduledFeb 02 - 03View
-0.035.97K$238.78-$1.43M213.18KScheduledJan 27 - 28View
-0.2573.52K$234.74-$17.26M219.15KScheduledJan 20 - 21View
1.12152.72K289.29KScheduledJan 14View
-0.033.85K$229.08-$881.48K136.57KScheduledJan 02View
-0.034.40K$238.07-$1.05M140.42KScheduledDec 01View
-0.53160.70K$157.99-$14.07M144.82KScheduledNov 03View
-0.046.01K$191.80-$1.15M149.84KScheduledOct 27 - 28View
-0.011.60K$187.95-$301.28K159.24KScheduledOct 20 - 21View
-0.1323.19K$160.80-$3.73M154.07KScheduledSep 29 - 01View
-0.035.08K$166.53-$845.80K158.51KScheduledSep 02View
-0.035.81K$132.88-$771.66K163.59KScheduledAug 01View
-0.036.09K$139.81-$851.71K169.40KScheduledJul 28View
-0.011.62K$139.29-$225.93K182.26KScheduledJul 20 - 21View
-0.015.34K$166.52-$889.78K525.67KScheduledJul 01View
-0.036.11K$157.10-$960.06K179.07KScheduledJun 02View
-0.046.98K$150.10-$1.05M185.18KScheduledMay 01View
-0.036.20K$152.18-$943.99K192.16KScheduledApr 28View
-0.011.66K$145.55-$242.19K208.52KScheduledApr 20 - 21View
-0.1125.46K$139.70-$3.56M215.39KScheduledMar 28 - 01View
-0.036.70K$146.03-$978.68K203.35KScheduledMar 17View
0.036.70K210.06KMar 12View
-0.3087.27K$143.40-$12.52M203.35KScheduledMar 05View
0.1436.68K290.63KJan 31View
-0.0513.69K$165.87-$2.27M253.94KScheduledJan 29View
-0.2278.55K$164.97-$12.96M281.17KScheduledJan 20 - 22View
0.43101.81K341.02KJan 16View
-0.014.73K$146.63-$692.21K558.89KScheduledNov 15View
-0.023.96K$118.21-$468.11K189.76KScheduledOct 28View
-0.012.60K$120.52-$313.60K212.43KScheduledOct 20 - 22View
-0.024.52K$130.40-$589.80K191.16KScheduledOct 15View
-0.035.02K$128.48-$645.47K195.69KScheduledSep 16View
-0.035.58K$118.91-$663.90K200.71KScheduledAug 15View
-0.024.08K$102.77-$419.70K206.29KScheduledJul 29View
-0.012.64K$105.16-$277.41K234.24KScheduledJul 20 - 22View
-0.035.50K$111.66-$613.67K207.86KScheduledJul 15View
-0.1337.50K$108.10-$4.05M250.85KScheduledJun 28 - 01View
-0.036.11K$111.61-$681.37K213.35KScheduledJun 17View
-0.036.78K$107.08-$725.91K219.46KScheduledMay 15View
-0.024.08K$93.14-$380.38K226.24KScheduledApr 29View
-0.012.55K$91.38-$233.20K259.35KScheduledApr 20 - 23View
-0.036.82K$93.13-$634.80K227.71KScheduledApr 15View
-0.1953.57K$89.72-$4.77M234.53KScheduledMar 15 - 28View
-0.2683.22K$54.17-$6.08M288.59KScheduledMar 15View
-0.049.33K$88.37-$824.09K297.87KMar 05View
0.049.33K307.19KMar 01View
0.4171.41K$65.09-$964.19K297.87KJan 26 - 29View
-0.011.96K$68.16-$133.46K260.65KJan 20 - 22View
-0.012.60K$63.29-$164.81K228.44KDec 27 - 28View
-0.021.67K$45.30-$75.83K71.44KSep 23View
-0.012.57K$55.00-$141.13K217.55KScheduledNov 20View
-0.012.60K$40.39-$104.81K259.47KOct 20 - 23View
-0.012.62K$45.82-$119.90K227.92KSep 27 - 28View
-0.012.58K$55.00-$141.79K214.99KAug 11View
-0.012.58K$47.83-$123.30K262.07KJul 20 - 24View
-0.012.60K$50.88-$132.54K230.53KJun 27 - 28View
-0.012.57K$54.51-$140.32K262.07KApr 20 - 24View
-0.025.18K$55.07-$285.41K230.55KMar 27 - 29View
-0.048.04K$56.02-$450.56K209.82KMar 22 - 24View
0.059.43K214.56KMar 17View
-0.1740.84K$55.00-$2.25M205.13KScheduledMar 02View
-0.0513.47K$48.94-$659.40K245.96KScheduledFeb 27 - 28View
1.23127.27K231.04KJan 27View
-0.035.37K$41.56-$223.18K158.61KScheduledJan 20 - 23View
-0.088.21K$39.55-$324.81K93.83KScheduledDec 31 - 03View
-0.022.60K$39.84-$103.79K111.13KScheduledDec 27 - 28View
-0.021.66K$42.30-$70.22K85.94KScheduledDec 22 - 23View
-0.022.65K$24.01-$1.34K104.93KDec 07View
-0.01905.00$42.41-$38.38K89.30KScheduledOct 21 - 24View
-0.021.56K$44.43-$69.27K75.58KScheduledOct 02 - 03View
-0.022.61K$44.04-$114.77K101.99KScheduledSep 27 - 28View
-0.011.67K$45.30-$75.83K148.04KScheduledSep 22 - 23View
-0.01886.00$46.26-$40.99K87.55KScheduledJul 21 - 22View
-0.021.55K$36.93-$57.24K75.17KScheduledJul 02 - 05View
-0.022.62K$39.01-$102.18K103.62KScheduledJun 27 - 28View
-0.021.65K$35.76-$59.08K74.70KScheduledJun 22 - 23View
13.71K13.71KMay 13View
-0.01894.00$36.14-$32.31K82.64KScheduledApr 21 - 22View
-0.021.56K$43.09-$67.18K71.62KScheduledApr 02 - 04View
-0.022.60K$39.63-$103.23K102.14KScheduledMar 27 - 28View
-0.021.68K$40.60-$68.29K71.33KScheduledMar 22 - 23View
-0.021.15K$42.16-$48.36K56.47KScheduledMar 09 - 10View
108.35K108.35KJan 28View
-0.053.69K$59.95-$220.96K76.62KScheduledJan 21 - 24View
-0.095.00K$82.61-$412.64K51.91KScheduledJan 04 - 05View
-0.1929.17K$54.88-$2.57M125.53KScheduledJan 02 - 03View
-0.032.60K$91.34-$237.85K92.26KScheduledDec 27 - 28View
-0.031.66K$93.00-$154.10K59.57KScheduledDec 22 - 23View
-0.031.15K$91.33-$104.57K43.68KScheduledDec 09 - 10View
-0.114.73K$91.99-$434.75K40.24KScheduledDec 04 - 07View
-0.067.22K$52.17-$557.77K110.30KScheduledDec 01View
-0.076.65K$64.69-$698.63K86.27KScheduledNov 01View
-0.1521.16K$62.50-$2.29M121.48KScheduledOct 02 - 05View
-0.032.70K$109.72-$296.01K102.80KScheduledSep 27 - 28View
-0.3428.56K$119.43-$3.41M68.33KScheduledSep 22 - 24View
-0.3190.97K$67.61-$10.89M207.06KScheduledSep 09 - 10View
-0.1133.36K$60.00-$2.78M275.52KScheduledAug 12View
-0.1032.47K$66.81-$3.80M280.75KScheduledJul 02 - 07View
-0.022.60K$117.57-$306.16K131.65KScheduledJun 27 - 28View
-0.021.66K$115.18-$191.42K95.20KScheduledJun 22 - 23View
-0.0826.09K$60.02-$2.41M287.12KScheduledJun 14View
-0.011.16K$102.61-$118.82K85.45KScheduledJun 09 - 10View
-0.054.71K$97.51-$459.16K86.79KScheduledJun 03 - 04View
-0.1513.01K$93.05-$1.21M72.75KMay 14View
-0.3341.65K$104.21-$4.34M85.76KScheduledApr 12 - 13View
-0.011.56K$104.09-$162.17K112.39KScheduledApr 02 - 05View
-0.0911.48K$47.23-$963.41K111.46KScheduledMar 25 - 29View
-0.042.24K$102.55-$229.80K56.73KScheduledMar 21 - 23View
-0.3917.92K$99.63-$1.79M28.09KMar 11View
-0.1451.40K$55.82-$5.03M315.11KScheduledMar 08 - 10View
-0.031.39K$62.71-$145.38K44.97KMar 03View
-0.013.84K$60.93-$362.45K325.16KScheduledFeb 01View
281.79K281.79KJan 22View
-0.028.15K$66.91-$805.43K333.91KScheduledJan 13View
-0.014.89K$56.79-$486.51K362.16KScheduledJan 04View
-0.021.65K$110.83-$182.76K65.36KDec 22 - 23View
-0.075.06K$105.48-$533.28K66.31KDec 18 - 22View
-0.031.16K$92.60-$107.69K39.99KDec 09 - 10View
-0.31130.00K$48.71-$7.59M286.95KNov 11 - 11View
-0.1561.35K$44.51-$3.88M348.20KScheduledNov 04View
-0.01210.00$75.00-$15.75K36.90KScheduledOct 12View
-0.1211.19K$71.24-$796.82K83.99KOct 01 - 05View
-0.032.22K$63.15-$140.08K61.73KSep 21 - 23View
-0.031.18K$60.77-$71.95K37.99KSep 09 - 10View
-0.199.72K$61.56-$598.37K41.85KSep 02 - 04View
-0.1461.56K$34.51-$2.66M386.72KScheduledAug 06View
-0.0713.24K$30.99-$648.27K176.94KScheduledJul 02 - 06View
-0.074.77K$45.47-$216.96K65.18KJun 23 - 24View
-0.1841.02K$29.06-$1.85M190.93KScheduledJun 21 - 23View
-0.028.91K$27.39-$282.59K438.13KScheduledJun 15 - 16View
-0.1617.30K$39.75-$687.80K91.95KJun 08 - 10View
-0.031.56K$27.50-$43.01K44.01KApr 02 - 03View
390.86K390.86KMar 27View
-0.127.42K$24.10-$178.89K52.22KMar 21 - 23View
-0.061.15K$33.36-$38.26K19.52KMar 09 - 10View
-0.27139.34K$23.28-$3.53M373.44KScheduledJan 16View
-0.051.85K$22.30-$46.98K36.92KScheduledJan 07View
-0.074.74K$32.01-$151.69K60.22KJan 02 - 03View
-0.03558.00$36.93-$20.61K20.55KDec 21 - 23View
-0.031.15K$36.13-$41.48K35.07KDec 09 - 10View
-0.03559.00$33.53-$18.74K19.96KSep 21 - 23View
-0.099.42K$33.19-$312.76K93.95KSep 19 - 20View
-0.041.16K$29.50-$34.07K26.33KSep 09 - 10View
-0.3499.00K$21.35-$2.38M194.13KScheduledAug 09View
-0.02390.00$25.19-$9.82K17.67KJun 21 - 24View
-0.02794.00$24.79-$19.68K34.38KJun 09 - 10View
152.91K152.91KApr 12View
-0.02384.00$20.20-$7.76K16.56KMar 21 - 22View
-0.093.41K$16.00-$54.57K34.44KMar 09 - 11View
300.00K300.00KJan 11View
150.00K150.00KJan 11View
-0.05565.00$12.39-$7.00K11.17KDec 21 - 24View
-0.2535.00K$15.59-$355.22K106.27KScheduledOct 12View
-0.2335.00K$16.87-$482.40K117.52KScheduledOct 02View
-0.179.20K$17.24-$171.33K45.27KScheduledSep 26View
-0.04562.00$23.78-$13.36K14.94KSep 21 - 24View
-0.3735.00K$16.22-$531.16K58.71KScheduledSep 19View
-0.6544.82K$14.47-$962.43K23.71KScheduledSep 11View
-0.4285.07K$9.70-$1.28M116.53KScheduledJun 21 - 25View
0.786.94K$9.74-$19.44K15.88KMar 26View
183.26K183.26KMar 09View
50.00K50.00KJul 14View
View