Total buying$00 buys
GRAL
GRAIL, 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$13.7M19 sells
Net open-market−$13.7MBuying minus selling
Active insiders6Distinct reporting owners
Insider activity report
Calendar-month buckets within the selected date range
Latest filing: Oct 16, 2026
Open-market transaction mix · 19 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 | 11 | 0 | $0 | $6.38M | -$6.38M |
| Oct 2026 | 0 | 8 | 3 | $0 | $7.34M | -$7.34M |
Distinct insiders active
Reporting-owner CIKs by month · peak Oct 2026 (6)Sep 2026Oct 2026
Largest insider activity
By absolute net disclosed value · current transaction page- OJ-$3.5M
GRAL transaction history
Newest filings · 20 transactions per pageLatest insider transactions
Form 4 filings from last month.| Company | Insider | Activity | Disclosed value | Filed (ET) |
|---|---|---|---|---|
GRALGRAIL, Inc. | Ofman Joshua J.CEO | S · sale10b5-1 detectedSEC filing ↗ | -$3.58MView disclosure → | |
GRALGRAIL, Inc. | Ofman Joshua J.CEO | S · sale10b5-1 detectedSEC filing ↗ | -$136kView disclosure → | |
GRALGRAIL, Inc. | Ofman Joshua J.CEO | S · sale10b5-1 detectedSEC filing ↗ | -$196kView disclosure → | |
GRALGRAIL, Inc. | Ofman Joshua J.CEO | M · exercise10b5-1 detectedSEC filing ↗ | $370kView disclosure → |
Filing-only signals
Deterministic matches in the selected period
Recent filing activity
Most recent 4 transactions on this page · color = transaction codeFiling detail checks
Secondary metrics for the selected periodTransaction codes
By Form 4 transaction code in selected period24transactionstxns
- S · Open-market sells · dominant19 · 79%
- A · Grants / awards3 · 13%
- M · Option exercise2 · 8%
Activity by reported role
A joint filing can contribute to multiple rolesChief executive officer16
Chief financial officer4
Director3
CGO1
Reported Holdings After
Separated by insider, security, and ownership type
Ofman Joshua J.Common Stock · Direct
342,271Oct 15, 2026
Freidin AaronCommon Stock · Direct
225,364Oct 05, 2026
Ofman Joshua J.Stock Option · Direct
37,032Sep 21, 2026
Partridge Andrew JohnCommon Stock · Direct
155,865Oct 05, 2026
Mizell StevenCommon Stock · Direct
42,978Oct 15, 2026
Chase William JCommon Stock · Direct
43,131Oct 15, 2026
Summe Gregory LCommon Stock · Direct
45,909Oct 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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GRAIL, Inc. Insider Activity FAQ
SEC Form 4 contextWho recently reported transactions at GRAIL, Inc.?
SUMME GREGORY L, CHASE WILLIAM J, Ofman Joshua J., MIZELL STEVEN, Partridge Andrew John, Freidin Aaron.
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?
Ofman Joshua J. reported a sale on Oct 15, 2026 valued at $293k. Read the SEC filing.
What is the recent purchase and sale balance?
Net open-market selling in the selected period was $13,736,116.09. 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.