Steven Leonard Chapman

CIK: 0001711968

Transaction Breakdown

Open Market Buys (P)0 (0.0%)

High conviction signal

Open Market Sales (S)115 (85.2%)

Position reduction

Option Exercises (M)14 (10.4%)

Derivative conversions

Awards (A)6 (4.4%)

Compensation grants

Other (G, F, J, C, D, …)0 (0.0%)

Gifts, tax withholding, conversions, dispositions to the issuer and other codes

Companies & Roles (1)

NTRA

Natera, Inc.

DirectorOfficer

Discretionary Trading P&L

Holdings

Transaction History (135 total)

NTRA
Natera, Inc.
Oct 28, 2026
Sale(S)
Direct
3.4K shares at avg. $426.34$1.5M
NTRA
Natera, Inc.
Oct 27, 2026
Sale(S)
Direct
2.3K shares at avg. $406.00$919K
NTRA
Natera, Inc.
Oct 1, 2026
Sale(S)
Direct
1.3K shares at avg. $413.31$526K
NTRA
Natera, Inc.
Sep 1, 2026
Sale(S)
Direct
1.7K shares at avg. $320.99$545K
NTRA
Natera, Inc.
Aug 3, 2026
Sale(S)
Direct
80 shares at avg. $265.27$21K
NTRA
Natera, Inc.
Aug 3, 2026
Sale(S)
Direct
612 shares at avg. $268.22$164K
NTRA
Natera, Inc.
Aug 3, 2026
Sale(S)
Direct
296 shares at avg. $267.08$79K
NTRA
Natera, Inc.
Aug 3, 2026
Sale(S)
Direct
70 shares at avg. $261.02$18K
NTRA
Natera, Inc.
Aug 3, 2026
Sale(S)
Direct
676 shares at avg. $263.86$178K
NTRA
Natera, Inc.
Aug 3, 2026
Sale(S)
Direct
160 shares at avg. $259.98$42K
NTRA
Natera, Inc.
Aug 3, 2026
Sale(S)
Direct
1.2K shares at avg. $267.99$317K
NTRA
Natera, Inc.
Jul 28, 2026
Sale(S)
Direct
3.6K shares at avg. $254.07$910K
NTRA
Natera, Inc.
Jul 27, 2026
Sale(S)
Direct
2.2K shares at avg. $260.49$570K
NTRA
Natera, Inc.
Jun 4, 2026
Sale(S)
Direct
2.5K shares at avg. $213.44$534K
NTRA
Natera, Inc.
Jun 4, 2026
Sale(S)
Direct
1.3K shares at avg. $214.83$279K
NTRA
Natera, Inc.
Jun 4, 2026
Sale(S)
Direct
2.4K shares at avg. $217.04$510K
NTRA
Natera, Inc.
Jun 4, 2026
Sale(S)
Direct
6.5K shares at avg. $223.34$1.5M
NTRA
Natera, Inc.
Jun 4, 2026
Sale(S)
Direct
2.4K shares at avg. $220.19$528K
NTRA
Natera, Inc.
Jun 4, 2026
Sale(S)
Direct
1.4K shares at avg. $223.91$323K
NTRA
Natera, Inc.
Jun 4, 2026
Sale(S)
Direct
1.6K shares at avg. $224.99$367K
NTRA
Natera, Inc.
Jun 4, 2026
Sale(S)
Direct
5.5K shares at avg. $216.13$1.2M
NTRA
Natera, Inc.
Jun 4, 2026
Sale(S)
Direct
2K shares at avg. $222.25$446K
NTRA
Natera, Inc.
Jun 4, 2026
Sale(S)
Direct
1.7K shares at avg. $218.28$380K
NTRA
Natera, Inc.
Jun 4, 2026
Sale(S)
Direct
832 shares at avg. $212.42$177K
NTRA
Natera, Inc.
Jun 4, 2026
Sale(S)
Direct
2.8K shares at avg. $219.08$604K

		Type	Shares	Price		Ownership
Oct 28, 2026	NTRA Natera, Inc.	Sale(S)	3,430	$426.34	$1,462,348	Direct
Oct 27, 2026	NTRA Natera, Inc.	Sale(S)	2,264	$406.00	$919,184	Direct
Oct 1, 2026	NTRA Natera, Inc.	Sale(S)	1,273	$413.31	$526,144	Direct
Sep 1, 2026	NTRA Natera, Inc.	Sale(S)	1,698	$320.99	$545,041	Direct
Aug 3, 2026	NTRA Natera, Inc.	Sale(S)	80	$265.27	$21,222	Direct
Aug 3, 2026	NTRA Natera, Inc.	Sale(S)	612	$268.22	$164,150	Direct
Aug 3, 2026	NTRA Natera, Inc.	Sale(S)	296	$267.08	$79,057	Direct
Aug 3, 2026	NTRA Natera, Inc.	Sale(S)	70	$261.02	$18,272	Direct
Aug 3, 2026	NTRA Natera, Inc.	Sale(S)	676	$263.86	$178,371	Direct
Aug 3, 2026	NTRA Natera, Inc.	Sale(S)	160	$259.98	$41,597	Direct
Aug 3, 2026	NTRA Natera, Inc.	Sale(S)	1,182	$267.99	$316,763	Direct
Jul 28, 2026	NTRA Natera, Inc.	Sale(S)	3,580	$254.07	$909,572	Direct
Jul 27, 2026	NTRA Natera, Inc.	Sale(S)	2,190	$260.49	$570,475	Direct
Jun 4, 2026	NTRA Natera, Inc.	Sale(S)	2,503	$213.44	$534,250	Direct
Jun 4, 2026	NTRA Natera, Inc.	Sale(S)	1,300	$214.83	$279,279	Direct
Jun 4, 2026	NTRA Natera, Inc.	Sale(S)	2,351	$217.04	$510,260	Direct
Jun 4, 2026	NTRA Natera, Inc.	Sale(S)	6,500	$223.34	$1,451,680	Direct
Jun 4, 2026	NTRA Natera, Inc.	Sale(S)	2,400	$220.19	$528,450	Direct
Jun 4, 2026	NTRA Natera, Inc.	Sale(S)	1,443	$223.91	$323,101	Direct
Jun 4, 2026	NTRA Natera, Inc.	Sale(S)	1,630	$224.99	$366,737	Direct
Jun 4, 2026	NTRA Natera, Inc.	Sale(S)	5,499	$216.13	$1,188,523	Direct
Jun 4, 2026	NTRA Natera, Inc.	Sale(S)	2,006	$222.25	$445,827	Direct
Jun 4, 2026	NTRA Natera, Inc.	Sale(S)	1,742	$218.28	$380,252	Direct
Jun 4, 2026	NTRA Natera, Inc.	Sale(S)	832	$212.42	$176,732	Direct
Jun 4, 2026	NTRA Natera, Inc.	Sale(S)	2,758	$219.08	$604,224	Direct

1-25 of 135 transactions

…

About Chapman Steven Leonard

Chapman Steven Leonard (SEC CIK 0001711968) files insider reports with the SEC as CEO AND PRESIDENT of Natera, Inc. (NTRA).

Signal8 holds 42 ownership filings by Chapman Steven Leonard, all Form 4s, filed between Sep 18, 2024 and Oct 29, 2026. Those filings report 135 transactions, from Sep 16, 2024 to Oct 28, 2026. Signal8's Form 4 history starts in Sep 2024.

The business address on Chapman Steven Leonard's filings is in AUSTIN, TX.

Recent filings by Chapman Steven Leonard

Oct 28, 2026: Open-market sale of NTRA shares (Form 4, code S).
Oct 27, 2026: Open-market sale of NTRA shares (Form 4, code S).
Oct 1, 2026: Open-market sale of NTRA shares (Form 4, code S).
Sep 1, 2026: Open-market sale of NTRA shares (Form 4, code S).
Aug 3, 2026: Open-market sales of NTRA shares (7 lines, Form 4, code S).

Other insiders filing for Natera, Inc. (NTRA)

Brophy Michael Burkes, CHIEF FINANCIAL OFFICER
Sheena Jonathan, Director
Rabinowitz Matthew, EXECUTIVE CHAIRMAN
RABINOWITZ DANIEL, SEC. AND CHIEF LEGAL OFFICER
Moshkevich Solomon, PRESIDENT, CLINICALDIAGNOSTICS
Fesko John, PRESIDENT, CHIEF BUS. OFFICER

How to read Form 4 transaction codes