Michael Brophy Burkes Insider Trading Activity

Corporate InsiderCFO · CIK 1697362

Total trades

$21.7M

Total volume

May 4, 2026

Last activity

NTRA

Natera, Inc.

Michael Brophy Burkes has been net-selling over the last 12 months with 0 purchases and 39 sales across 1 company.

NTRA is the most-traded position with 39 trades. The largest single transaction was a sale of NTRA for $8.9M on Jan 21, 2026.

Performance Scorecard

Forward stock performance after each transaction by Michael Brophy Burkes. Buy returns measure price movement after open-market purchases; sell-avoided measures the loss avoided after open-market sales. Success rate counts trades where the insider's direction was right.

PERIOD	AVG BUY RETURN	AVG SELL AVOIDED	SUCCESS RATE	TRADES
30 days	—	-9.5%	32%	44
90 days	—	-16.7%	31%	35
120 days	—	-20.3%	31%	35

Performance based on stock price movement after each transaction date. Past results do not predict future returns. Not financial advice.

Price & Trades

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NTRA · Natera, Inc.

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Recent Trades

DATE	TICKER	TYPE	SHARES	PRICE	VALUE	Δ OWNED	ROLE
May 4, 2026	NTRA	Sell	482	$210.49	$101K	−0.8%	CFO
May 1, 2026	NTRA	Sell	313	$206.16	$65K	−0.5%	CFO
Apr 29, 2026	NTRA	Sell	500	$192.13	$96K	−0.8%	CFO
Apr 29, 2026	NTRA	Sell	1,000	$193.78	$194K	−1.7%	CFO
Apr 29, 2026	NTRA	Sell	1,070	$194.82	$208K	−1.8%	CFO
Apr 29, 2026	NTRA	Sell	200	$197.26	$39K	−0.3%	CFO
Apr 29, 2026	NTRA	Sell	300	$190.12	$57K	−0.5%	CFO
Apr 27, 2026	NTRA	Sell	1,222	$204.39	$250K	−2.0%	CFO
Apr 27, 2026	NTRA	Sell	771	$203.75	$157K	−1.2%	CFO
Mar 10, 2026	NTRA	Sell	785	$204.13	$160K	−1.2%	CFO
Feb 3, 2026	NTRA	Sell	1,268	$230.77	$293K	−2.1%	CFO
Feb 3, 2026	NTRA	Sell	700	$225.25	$158K	−1.2%	CFO
Feb 3, 2026	NTRA	Sell	4,971	$227.45	$1.1M	−8.7%	CFO
Jan 29, 2026	NTRA	Sell	876	$230.92	$202K	−1.5%	CFO
Jan 29, 2026	NTRA	Sell	991	$229.94	$228K	−1.6%	CFO
Jan 28, 2026	NTRA	Sell	1,237	$237.66	$294K	−2.0%	CFO
Jan 28, 2026	NTRA	Sell	1,176	$237.44	$279K	−1.9%	CFO
Jan 27, 2026	NTRA	Sell	784	$240.53	$189K	−1.2%	CFO
Jan 21, 2026	NTRA	Sell	602	$235.00	$141K	−0.6%	CFO
Jan 21, 2026	NTRA	Sell	36,573	$242.67	$8.9M	−36.3%	CFO
Jan 20, 2026	NTRA	Sell	23,948	$234.74	$5.6M	−19.4%	CFO
Oct 29, 2025	NTRA	Sell	400	$189.91	$76K	−0.6%	CFO
Oct 29, 2025	NTRA	Sell	300	$188.37	$57K	−0.5%	CFO
Oct 29, 2025	NTRA	Sell	667	$190.99	$127K	−1.0%	CFO
Oct 29, 2025	NTRA	Sell	500	$192.12	$96K	−0.8%	CFO
Oct 28, 2025	NTRA	Sell	200	$192.19	$38K	−0.3%	CFO
Oct 28, 2025	NTRA	Sell	1,237	$191.46	$237K	−1.8%	CFO
Oct 28, 2025	NTRA	Sell	574	$189.90	$109K	−0.9%	CFO
Oct 28, 2025	NTRA	Sell	404	$191.51	$77K	−0.6%	CFO
Oct 27, 2025	NTRA	Sell	781	$192.32	$150K	−1.1%	CFO
Oct 24, 2025	NTRA	Sell	755	$196.77	$149K	−1.1%	CFO
Oct 23, 2025	NTRA	Sell	495	$187.16	$93K	−0.7%	CFO
Oct 22, 2025	NTRA	Sell	920	$186.68	$172K	−1.3%	CFO
Oct 21, 2025	NTRA	Sell	602	$187.95	$113K	−0.9%	CFO
Sep 30, 2025	NTRA	Sell	2,491	$162.05	$404K	−3.5%	CFO
Jul 29, 2025	NTRA	Sell	567	$136.01	$77K	−0.8%	CFO
Jul 29, 2025	NTRA	Sell	1,200	$137.42	$165K	−1.8%	CFO
Jul 29, 2025	NTRA	Sell	1,278	$138.01	$176K	−1.9%	CFO
Jul 28, 2025	NTRA	Sell	2,019	$139.81	$282K	−2.9%	CFO
Jul 24, 2025	NTRA	Sell	297	$139.95	$42K	−0.4%	CFO
Jul 24, 2025	NTRA	Sell	458	$139.20	$64K	−0.6%	CFO
Jul 23, 2025	NTRA	Sell	495	$141.28	$70K	−0.7%	CFO
Jul 22, 2025	NTRA	Sell	920	$139.58	$128K	−1.3%	CFO
Jul 21, 2025	NTRA	Sell	602	$139.29	$84K	−0.8%	CFO