Total buying$00 buys
NTRA
Natera, Inc.
NasdaqHealthcareServices-Medical Laboratories
Insider activity for last month from 09/19 to 10/19.
How these metrics are calculated
Counts use processed Form 4 rows. Purchase and sale metrics use codes P and S; totals remain unknown when any matching value is missing. Rows without a usable transaction date cannot be assigned to a rolling period and are excluded.
Total selling$28.9M35 sells
Net open-market−$28.9MBuying minus selling
Active insiders4Distinct reporting owners
Insider activity report
Calendar-month buckets within the selected date range
Latest filing: Oct 17, 2026
Open-market transaction mix · 35 transactions in the selected period
Code A includes awards, grants and other acquisitions; these are not open-market buys. A rolling period can include partial calendar months.
View exact monthly counts and disclosed values
| Month | Buys | Sells | Awards (A) | Buy value | Sell value | Net P/S value |
|---|---|---|---|---|---|---|
| Sep 2026 | 0 | 12 | 0 | $0 | $7.00M | -$7.00M |
| Oct 2026 | 0 | 23 | 0 | $0 | $21.9M | -$21.9M |
Distinct insiders active
Reporting-owner CIKs by month · peak Oct 2026 (3)Sep 2026Oct 2026
Largest insider activity
By absolute net disclosed value · current transaction page- RM-$20.1M
NTRA transaction history
Newest filings · 20 transactions per pageLatest insider transactions
Form 4 filings from last month.Filing-only signals
Deterministic matches in the selected period
Filing detail checks
Secondary metrics for the selected periodTransaction codes
By Form 4 transaction code in selected period38transactionstxns
- S · Open-market sells · dominant35 · 92%
- M · Option exercise2 · 5%
- G · Gifts1 · 3%
Activity by reported role
A joint filing can contribute to multiple rolesCHAIR22
Director12
PRES4
Chief executive officer1
Reported Holdings After
Separated by insider, security, and ownership type
Rabinowitz MatthewCommon Stock · Direct
2,119,394Oct 15, 2026
Sheena JonathanCommon Stock · Indirect · By Caraluna 1 Trust
9,000Sep 23, 2026
Sheena JonathanCommon Stock · Indirect · By Caraluna 2 Trust
9,000Sep 23, 2026
Moshkevich SolomonCommon Stock · Direct
106,914Oct 01, 2026
Chapman Steven LeonardCommon Stock · Direct
96,926Oct 01, 2026
Rabinowitz MatthewCommon Stock · Direct
2,162,794Oct 15, 2026
Rabinowitz MatthewStock Option (right to buy) · Direct
0Oct 15, 2026
These are reported post-transaction holdings, not company-wide ownership percentages. Securities, indirect vehicles, and amendments are kept separate.
Filing activity heatmap
Current transaction page only · each cell is a filing date · buys green, sells redSep 19 → Oct 19
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Natera, Inc. Insider Activity FAQ
SEC Form 4 contextWho recently reported transactions at Natera, Inc.?
Rabinowitz Matthew, Chapman Steven Leonard, Moshkevich Solomon, Sheena Jonathan.
When was the latest reported open-market purchase?
No code-P purchase is available for this period.
When was the latest reported open-market sale?
Rabinowitz Matthew reported a sale on Oct 15, 2026 valued at $816k. Read the SEC filing.
What is the recent purchase and sale balance?
Net open-market selling in the selected period was $28,909,789.16. Sales can occur for many non-investment reasons.
Where can I see the original SEC filing?
Every transaction row and latest-activity fact links to its original SEC filing.
What do these Form 4 transaction codes mean?
P and S generally describe open-market or private purchases and sales. A, D, F, M, X, G, J, and V describe awards, issuer dispositions, tax withholding, exercises, gifts, other transactions, and voluntary early reports; review each filing and its footnotes for context.