Latest filingAug 27, 2026Most recent Form 4
GH
Guardant Health, Inc.
NasdaqHealthcareServices-Medical Laboratories
Insider activity for last month from 08/03 to 09/03. 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 buying$00 buys
Total selling$636M4 sells
Net open-market-$636M5 insiders
Open-market mix
Buy vs sell distribution by transaction countInsider activity report
Monthly open-market purchase and sale counts Buys Sells
Transaction codes
By Form 4 transaction code in selected period13transactions
- M · Option exercise · dominant6 · 46%
- S · Open-market sells4 · 31%
- J · Other2 · 15%
- G · Gifts1 · 8%
Activity by reported role
A joint filing can contribute to multiple roles13transactions
- Director · dominant7 · 54%
- Chief executive officer6 · 46%
Distinct insiders active
Reporting-owner CIKs by month · peak Aug 2026 (5)Aug 2026Sep 2026
Reported Holdings After
Separated by insider, security, and ownership typeTalasaz AmirAliCommon Stock · Indirect · Shares held by the Talasaz Family Foundation
45,089Aug 21, 2026
Tariq MusaCommon Stock · Direct
11,316Aug 17, 2026
Eltoukhy HelmyCommon Stock · Indirect · Shares held by Helmy A. Eltoukhy Revocable Trust
1,970,934Aug 26, 2026
Tariq MusaRestricted Stock Units · Direct
1,749Aug 15, 2026
Hidalgo Medina ManuelCommon Stock · Direct
4,788Aug 17, 2026
Hidalgo Medina ManuelRestricted Stock Units · Direct
5,337Aug 17, 2026
Mignone RobertoRestricted Stock Units · Direct
6,864Aug 21, 2026
Mignone RobertoCommon Stock · Direct
10,010Aug 21, 2026
These are reported post-transaction holdings, not company-wide ownership percentages. Securities, indirect vehicles, and amendments are kept separate.
Filing activity heatmap
Each cell is one day · intensity = transactions · buys green, sells redAug 03 → Sep 03
LessMore
Top insiders
By absolute net value across the selected period- TA-$6.3M
- TM-$18.1k
- MR+$0
- HM+$0
Recent filing activity
Most recent 10 transactions · color = transaction codeFiling detail checks
Secondary metrics for the selected periodFiling-only signals
Deterministic matches in the selected period
GH transaction history
Filters apply within this company and selected period by default| Ticker | Insider | Role | Type | Shares | Value | Code | Signals | 90d return | Filed | Trans date |
|---|---|---|---|---|---|---|---|---|---|---|
| GH | Talasaz AmirAli | CEO | sale | 7.58k | -$129M | S | +2.0% | 08/24 | 08/21 | |
| GH | Talasaz AmirAli | CEO | sale | 20.8k | -$353M | S | +2.0% | 08/24 | 08/21 | |
| GH | Talasaz AmirAli | CEO | sale | 9.02k | -$151M | S | +2.0% | 08/24 | 08/21 | |
| GH | MIGNONE ROBERTO | DIR | exercise | 264 | $0 | M | +2.0% | 08/24 | 08/21 | |
| GH | MIGNONE ROBERTO | DIR | exercise | 264 | $0 | M | +2.0% | 08/24 | 08/21 | |
| GH | Hidalgo Medina Manuel | DIR | exercise | 232 | $0 | M | +2.7% | 08/18 | 08/17 | |
| GH | Hidalgo Medina Manuel | DIR | exercise | 232 | $0 | M | +2.7% | 08/18 | 08/17 | |
| GH | Tariq Musa | DIR | exercise | 250 | $0 | M | +2.7% | 08/18 | 08/15 | |
| GH | Tariq Musa | DIR | sale | 116 | -$1.81M | S | +2.7% | 08/18 | 08/17 | |
| GH | Tariq Musa | DIR | exercise | 250 | $0 | M | +2.7% | 08/18 | 08/15 |
Guardant Health, Inc. Insider Activity FAQ
SEC Form 4 contextWho recently reported transactions at Guardant Health, Inc.?
Eltoukhy Helmy, Talasaz AmirAli, MIGNONE ROBERTO, Hidalgo Medina Manuel, Tariq Musa.
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?
Talasaz AmirAli reported a sale on Aug 21, 2026 valued at $129M. Read the SEC filing.
What is the recent purchase and sale balance?
Net open-market selling in the selected period was $6,361,532.55. 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.