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START FREE TRIAL →Steven Leonard Chapman, CEO AND PRESIDENT, is a corporate insider tracked by InsiderTape across 1 company. The public record shows 104 open-market SEC Form 4 transactions: 0 purchases worth $0 and 104 sales worth $130.1M, reported from Aug 12, 21 to Jun 4, 26. Over this period they have been a net seller.
| Date | Company | Type | Shares | Price | Value |
|---|---|---|---|---|---|
| Jun 4, 26 | NTRANatera, Inc. | SELL | 6.8K | $226.97 | $1.5M |
| May 1, 26 | NTRANatera, Inc. | SELL | 902 | $206.16 | $186K |
| Apr 27, 26 | NTRANatera, Inc. | SELL | 3.6K | $204.39 | $729K |
| Mar 10, 26 | NTRANatera, Inc. | SELL | 5.6K | $204.13 | $1.1M |
| Mar 2, 26 | NTRANatera, Inc. | SELL | 2.5K | $201.18 | $493K |
| Feb 3, 26 | NTRANatera, Inc. | SELL | 4.7K | $230.77 | $1.1M |
| Feb 2, 26 | NTRANatera, Inc. | SELL | 41.8K | $234.00 | $9.6M |
| Jan 28, 26 | NTRANatera, Inc. | SELL | 3.6K | $237.66 | $867K |
| Jan 27, 26 | NTRANatera, Inc. | SELL | 2.3K | $240.53 | $559K |
| Jan 21, 26 | NTRANatera, Inc. | SELL | 1.6K | $235.00 | $374K |
| Jan 20, 26 | NTRANatera, Inc. | SELL | 71.9K | $234.74 | $16.9M |
| Jan 2, 26 | NTRANatera, Inc. | SELL | 2.2K | $229.67 | $506K |
| Dec 1, 25 | NTRANatera, Inc. | SELL | 2.0K | $239.44 | $488K |
| Nov 3, 25 | NTRANatera, Inc. | SELL | 156.6K | $200.00 | $31.3M |
| Oct 28, 25 | NTRANatera, Inc. | SELL | 3.7K | $191.46 | $705K |
| Oct 27, 25 | NTRANatera, Inc. | SELL | 2.3K | $192.32 | $449K |
| Oct 21, 25 | NTRANatera, Inc. | SELL | 1.6K | $187.95 | $301K |
| Oct 1, 25 | NTRANatera, Inc. | SELL | 9.0K | $161.47 | $1.4M |
| Sep 30, 25 | NTRANatera, Inc. | SELL | 9.1K | $162.05 | $1.5M |
| Sep 2, 25 | NTRANatera, Inc. | SELL | 1.9K | $167.69 | $320K |
| Aug 1, 25 | NTRANatera, Inc. | SELL | 3.0K | $133.31 | $400K |
| Jul 28, 25 | NTRANatera, Inc. | SELL | 6.1K | $139.81 | $852K |
| Jul 21, 25 | NTRANatera, Inc. | SELL | 1.6K | $139.29 | $226K |
| Jul 1, 25 | NTRANatera, Inc. | SELL | 3.2K | $167.77 | $533K |
| Jun 2, 25 | NTRANatera, Inc. | SELL | 3.1K | $158.33 | $490K |
| May 1, 25 | NTRANatera, Inc. | SELL | 2.2K | $152.04 | $331K |
| Apr 28, 25 | NTRANatera, Inc. | SELL | 6.2K | $152.18 | $944K |
| Apr 21, 25 | NTRANatera, Inc. | SELL | 1.6K | $146.07 | $239K |
| Apr 1, 25 | NTRANatera, Inc. | SELL | 8.0K | $142.28 | $1.1M |
| Mar 31, 25 | NTRANatera, Inc. | SELL | 9.3K | $138.42 | $1.3M |
| Mar 17, 25 | NTRANatera, Inc. | SELL | 6.7K | $146.03 | $979K |
| Mar 5, 25 | NTRANatera, Inc. | SELL | 33.8K | $145.42 | $4.9M |
| Jan 29, 25 | NTRANatera, Inc. | SELL | 9.9K | $167.39 | $1.6M |
| Jan 22, 25 | NTRANatera, Inc. | SELL | 78.4K | $171.97 | $12.9M |
| Nov 15, 24 | NTRANatera, Inc. | SELL | 1.8K | $150.00 | $262K |
| Oct 28, 24 | NTRANatera, Inc. | SELL | 4.0K | $118.21 | $468K |
| Oct 22, 24 | NTRANatera, Inc. | SELL | 893 | $120.07 | $107K |
| Oct 21, 24 | NTRANatera, Inc. | SELL | 1.7K | $120.76 | $206K |
| Oct 15, 24 | NTRANatera, Inc. | SELL | 4.5K | $130.40 | $590K |
| Sep 16, 24 | NTRANatera, Inc. | SELL | 1.6K | $130.93 | $210K |
| Aug 15, 24 | NTRANatera, Inc. | SELL | 5.0K | $120.00 | $595K |
| Jul 29, 24 | NTRANatera, Inc. | SELL | 4.1K | $102.77 | $420K |
| Jul 22, 24 | NTRANatera, Inc. | SELL | 2.6K | $105.16 | $277K |
| Jul 15, 24 | NTRANatera, Inc. | SELL | 5.3K | $112.21 | $588K |
| Jul 1, 24 | NTRANatera, Inc. | SELL | 24.0K | $109.43 | $2.6M |
| Jun 17, 24 | NTRANatera, Inc. | SELL | 3.2K | $112.55 | $363K |
| May 15, 24 | NTRANatera, Inc. | SELL | 3.5K | $107.59 | $369K |
| Apr 29, 24 | NTRANatera, Inc. | SELL | 4.1K | $93.14 | $380K |
| Apr 23, 24 | NTRANatera, Inc. | SELL | 2.6K | $91.38 | $233K |
| Apr 15, 24 | NTRANatera, Inc. | SELL | 4.3K | $94.44 | $399K |
| Mar 28, 24 | NTRANatera, Inc. | SELL | 2.7K | $90.42 | $241K |
| Mar 15, 24 | NTRANatera, Inc. | SELL | 35.0K | $89.63 | $3.1M |
| Mar 5, 24 | NTRANatera, Inc. | SELL | 9.3K | $88.37 | $824K |
| Jan 29, 24 | NTRANatera, Inc. | SELL | 14.8K | $65.09 | $964K |
| Jan 22, 24 | NTRANatera, Inc. | SELL | 2.0K | $68.16 | $133K |
| Dec 28, 23 | NTRANatera, Inc. | SELL | 2.6K | $63.29 | $165K |
| Nov 20, 23 | NTRANatera, Inc. | SELL | 2.6K | $55.00 | $141K |
| Oct 23, 23 | NTRANatera, Inc. | SELL | 2.6K | $40.39 | $105K |
| Sep 28, 23 | NTRANatera, Inc. | SELL | 2.6K | $45.82 | $120K |
| Aug 11, 23 | NTRANatera, Inc. | SELL | 2.6K | $55.00 | $142K |