GH SEC Filing News — Guardant Health, Inc.

Latest SEC filings for Guardant Health, Inc. (GH) explained in plain English. Covers insider buying and selling (Form 4), proposed insider sales (Form 144), material company events (8-K), and quarterly & annual reports (10-Q / 10-K). StrongBuyAnalytics provides navigation and brief excerpts or summaries; original filings remain at the SEC/source links and were authored by their filers, not StrongBuyAnalytics. Filing dates shown are source dates. Coverage and detection can be delayed or incomplete because of SEC availability, amendments, parsing, caching, or outages. Latest source filing date shown: 2026-10-02.

Guardant Health, Inc., a precision oncology company, provides blood and tissue tests, and data sets in the United States and internationally. The company offers Guardant360 CDx test, a liquid biopsy test for tumor mutation profiling; Guardant360 Liquid test, which measures 740+ genes and supports all guideline-recommended biomarkers; Guardant Reveal test, a blood test that utilizes circulating tumor DNA to detect cancer at the molecular level; and Guardant360 Tissue test, a molecular profiling t…
Sector: Healthcare Industry: Diagnostics & Research Market Cap: $21.4B CIK: 1576280
20
Total Filings
0
Bullish Classifications
5
Bearish Classifications
16
Insider Transactions
0
Material Events (8-K)
0
Periodic Reports
Rule-based classifications for GH currently lean bearish. Of the 20 filing records displayed, 5 carry bearish classifications (such as insider sales or negative 8-K disclosures) versus 0 bullish. This does not necessarily signal fundamental deterioration — insiders sell for many reasons — but it is worth monitoring alongside the company's core financial metrics.
GH Filing Activity Snapshot 2026-09-14 — 2026-10-02
Insider Transactions (Form 4)
0 buys vs 5 sells
Net insider selling in this period — insiders sell for many reasons beyond conviction.
Largest Form 144 Filing
$1.38M
Chudova Darya (Chief Technology Officer) · 2026-09-17
7,738 shares · Form 4
Form 144 Notices
4
Proposed insider sales filed — Form 144 is a notice of intent, not a confirmed transaction. Actual sales are confirmed via Form 4.
Insider Transactions 16 · Forms 3, 4 and 5

A Form 4 is filed within two business days of a company insider — an officer, a director, or a holder of more than ten percent of the stock — changing their position in the shares. All 16 filings in this group are Form 4s for Guardant Health, Inc.

The difficulty with reading these filings as a group is that a single form type covers transactions that mean entirely different things. An executive spending their own money to buy stock and an executive having shares withheld to pay tax on a vesting grant both appear as a Form 4. Every filing below is therefore tagged with the nature of the underlying transaction, taken from the transaction code reported on the form itself.

Across the 16 insider filings shown, the breakdown is 11 option exercise and 5 open-market sale. 5 of them involved a discretionary open-market trade; the rest are compensation and administrative mechanics.

What each transaction type means

Option exercise ×11
The insider converted options into shares. The exercise price was fixed when the options were granted, so the timing usually tracks an expiry schedule.
Open-market sale ×5
The insider sold shares on the open market. Sales may be discretionary or executed automatically under a pre-arranged Rule 10b5-1 trading plan, and a Form 4 does not always make clear which applies.
Form 4 Option exercise Tax / Compensation Filing 2026-10-02

GH insider Form 4 filed for equity award, exercise, or tax withholding

Saia John G. (Chief Legal Officer) filed a Form 4 covering compensation-related activity such as stock awards, option exercises, conversions, or tax withholding. These filings are usually neutral.

The insider converted options into shares. The exercise price was fixed when the options were granted, so the timing usually tracks an expiry schedule.

Transactions reported on this filing
Code Nature Shares Price Value
M Option exercise 974 — —
M Option exercise 1,668 — —
M Option exercise 2,925 — —
M Option exercise 1,496 — —
F Tax withholding on vested shares 3,706 $174.75 $647.6K
M Option exercise derivative · Restricted Stock Units 974 — —
M Option exercise derivative · Restricted Stock Units 1,668 — —
M Option exercise derivative · Restricted Stock Units 2,925 — —
M Option exercise derivative · Restricted Stock Units 1,496 — —
Filing: Form 4 (Insider Transaction) Insider: Saia John G. (Chief Legal Officer) Shares: 10,769
Form 4 Option exercise Tax / Compensation Filing 2026-10-02

GH insider Form 4 filed for equity award, exercise, or tax withholding

Monroe Terilyn J. (Chief People Officer) filed a Form 4 covering compensation-related activity such as stock awards, option exercises, conversions, or tax withholding. These filings are usually neutral.

The insider converted options into shares. The exercise price was fixed when the options were granted, so the timing usually tracks an expiry schedule.

Transactions reported on this filing
Code Nature Shares Price Value
M Option exercise 2,659 — —
M Option exercise 1,360 — —
F Tax withholding on vested shares 2,098 $174.75 $366.6K
M Option exercise derivative · Restricted Stock Units 2,659 — —
M Option exercise derivative · Restricted Stock Units 1,360 — —
Filing: Form 4 (Insider Transaction) Insider: Monroe Terilyn J. (Chief People Officer) Shares: 6,117
Form 4 Option exercise Tax / Compensation Filing 2026-10-02

GH insider Form 4 filed for equity award, exercise, or tax withholding

Kalia Kumud (Chief Information Officer) filed a Form 4 covering compensation-related activity such as stock awards, option exercises, conversions, or tax withholding. These filings are usually neutral.

The insider converted options into shares. The exercise price was fixed when the options were granted, so the timing usually tracks an expiry schedule.

Transactions reported on this filing
Code Nature Shares Price Value
M Option exercise 1,607 — —
M Option exercise 1,084 — —
M Option exercise 1,995 — —
M Option exercise 1,360 — —
F Tax withholding on vested shares 3,067 $174.75 $536.0K
M Option exercise derivative · Restricted Stock Units 1,607 — —
M Option exercise derivative · Restricted Stock Units 1,084 — —
M Option exercise derivative · Restricted Stock Units 1,995 — —
M Option exercise derivative · Restricted Stock Units 1,360 — —
Filing: Form 4 (Insider Transaction) Insider: Kalia Kumud (Chief Information Officer) Shares: 9,113
Form 4 Option exercise Tax / Compensation Filing 2026-10-02

GH insider Form 4 filed for equity award, exercise, or tax withholding

Freeman Chris (Chief Commercial Officer) filed a Form 4 covering compensation-related activity such as stock awards, option exercises, conversions, or tax withholding. These filings are usually neutral.

The insider converted options into shares. The exercise price was fixed when the options were granted, so the timing usually tracks an expiry schedule.

Transactions reported on this filing
Code Nature Shares Price Value
M Option exercise 1,929 — —
M Option exercise 1,668 — —
M Option exercise 2,527 — —
M Option exercise 1,292 — —
F Tax withholding on vested shares 3,143 $174.75 $549.2K
M Option exercise derivative · Restricted Stock Units 1,929 — —
M Option exercise derivative · Restricted Stock Units 1,668 — —
M Option exercise derivative · Restricted Stock Units 2,527 — —
M Option exercise derivative · Restricted Stock Units 1,292 — —
Filing: Form 4 (Insider Transaction) Insider: Freeman Chris (Chief Commercial Officer) Shares: 10,559
Form 4 Option exercise Tax / Compensation Filing 2026-10-02

GH insider Form 4 filed for equity award, exercise, or tax withholding

Chudova Darya (Chief Technology Officer) filed a Form 4 covering compensation-related activity such as stock awards, option exercises, conversions, or tax withholding. These filings are usually neutral.

The insider converted options into shares. The exercise price was fixed when the options were granted, so the timing usually tracks an expiry schedule.

Transactions reported on this filing
Code Nature Shares Price Value
M Option exercise 1,340 — —
M Option exercise 1,668 — —
M Option exercise 3,324 — —
M Option exercise 1,701 — —
F Tax withholding on vested shares 4,320 $174.75 $754.9K
M Option exercise derivative · Restricted Stock Units 1,340 — —
M Option exercise derivative · Restricted Stock Units 1,668 — —
M Option exercise derivative · Restricted Stock Units 3,324 — —
M Option exercise derivative · Restricted Stock Units 1,701 — —
Filing: Form 4 (Insider Transaction) Insider: Chudova Darya (Chief Technology Officer) Shares: 12,353
Form 4 Option exercise Tax / Compensation Filing 2026-10-02

GH insider Form 4 filed for equity award, exercise, or tax withholding

Bell Michael Brian (Chief Financial Officer) filed a Form 4 covering compensation-related activity such as stock awards, option exercises, conversions, or tax withholding. These filings are usually neutral.

The insider converted options into shares. The exercise price was fixed when the options were granted, so the timing usually tracks an expiry schedule.

Transactions reported on this filing
Code Nature Shares Price Value
M Option exercise 2,085 — —
M Option exercise 3,324 — —
M Option exercise 1,871 — —
F Tax withholding on vested shares 3,914 $174.75 $684.0K
M Option exercise derivative · Restricted Stock Units 2,085 — —
M Option exercise derivative · Restricted Stock Units 3,324 — —
M Option exercise derivative · Restricted Stock Units 1,871 — —
Filing: Form 4 (Insider Transaction) Insider: Bell Michael Brian (Chief Financial Officer) Shares: 11,194
Form 4 Option exercise Tax / Compensation Filing 2026-10-02

GH insider Form 4 filed for equity award, exercise, or tax withholding

Talasaz AmirAli (Director, Co-Chief Executive Officer) filed a Form 4 covering compensation-related activity such as stock awards, option exercises, conversions, or tax withholding. These filings are usually neutral.

The insider converted options into shares. The exercise price was fixed when the options were granted, so the timing usually tracks an expiry schedule.

Transactions reported on this filing
Code Nature Shares Price Value
M Option exercise 2,817 — —
F Tax withholding on vested shares 1,428 $178.36 $254.7K
M Option exercise 23,997 — —
M Option exercise 9,716 — —
F Tax withholding on vested shares 17,087 $174.75 $2.99M
M Option exercise derivative · Restricted Stock Units 2,817 — —
M Option exercise derivative · Restricted Stock Units 23,997 — —
M Option exercise derivative · Restricted Stock Units 9,716 — —
Filing: Form 4 (Insider Transaction) Insider: Talasaz AmirAli (Director, Co-Chief Executive Officer) Shares: 55,045
Form 4 Option exercise Tax / Compensation Filing 2026-10-02

GH insider Form 4 filed for equity award, exercise, or tax withholding

Eltoukhy Helmy (Director, Co-Chief Executive Officer) filed a Form 4 covering compensation-related activity such as stock awards, option exercises, conversions, or tax withholding. These filings are usually neutral.

The insider converted options into shares. The exercise price was fixed when the options were granted, so the timing usually tracks an expiry schedule.

Transactions reported on this filing
Code Nature Shares Price Value
M Option exercise 2,817 — —
F Tax withholding on vested shares 1,428 $178.36 $254.7K
M Option exercise 23,997 — —
M Option exercise 9,716 — —
F Tax withholding on vested shares 17,087 $174.75 $2.99M
M Option exercise derivative · Restricted Stock Units 2,817 — —
M Option exercise derivative · Restricted Stock Units 23,997 — —
M Option exercise derivative · Restricted Stock Units 9,716 — —
Filing: Form 4 (Insider Transaction) Insider: Eltoukhy Helmy (Director, Co-Chief Executive Officer) Shares: 55,045
Form 4 Option exercise Tax / Compensation Filing 2026-09-22

GH insider Form 4 filed for equity award, exercise, or tax withholding

MIGNONE ROBERTO (Director) filed a Form 4 covering compensation-related activity such as stock awards, option exercises, conversions, or tax withholding. These filings are usually neutral.

The insider converted options into shares. The exercise price was fixed when the options were granted, so the timing usually tracks an expiry schedule.

Transactions reported on this filing
Code Nature Shares Price Value
M Option exercise 264 — —
M Option exercise derivative · Restricted Stock Units 264 — —
Filing: Form 4 (Insider Transaction) Insider: MIGNONE ROBERTO (Director) Shares: 264
Form 4 Option exercise Tax / Compensation Filing 2026-09-21

GH insider Form 4 filed for equity award, exercise, or tax withholding

Hidalgo Medina Manuel (Director) filed a Form 4 covering compensation-related activity such as stock awards, option exercises, conversions, or tax withholding. These filings are usually neutral.

The insider converted options into shares. The exercise price was fixed when the options were granted, so the timing usually tracks an expiry schedule.

Transactions reported on this filing
Code Nature Shares Price Value
M Option exercise 232 — —
M Option exercise derivative · Restricted Stock Units 232 — —
Filing: Form 4 (Insider Transaction) Insider: Hidalgo Medina Manuel (Director) Shares: 232
Form 4 Open-market sale Insider Selling 2026-09-17

GH insider Chudova Darya (Chief Technology Officer) sold 7,738 shares (~$1.38M)

Chudova Darya, listed as Chief Technology Officer at Guardant Health, Inc., reported an open-market sale of 7,738 GH shares in a Form 4 filing. This is a confirmed insider sale, not just a proposed sale notice.

The insider sold shares on the open market. Sales may be discretionary or executed automatically under a pre-arranged Rule 10b5-1 trading plan, and a Form 4 does not always make clear which applies.

Transactions reported on this filing
Code Nature Shares Price Value
S Open-market sale 7,738 $178.00 $1.38M
Filing: Form 4 (Insider Transaction) Insider: Chudova Darya (Chief Technology Officer) Shares: 7,738 Est. Value: $1.38M
Form 4 Open-market sale Insider Selling 2026-09-17

GH insider Krognes Steve E. (Director) sold 6,674 shares (~$1.17M)

Krognes Steve E., listed as Director at Guardant Health, Inc., reported an open-market sale of 6,674 GH shares in a Form 4 filing. This is a confirmed insider sale, not just a proposed sale notice.

The insider sold shares on the open market. Sales may be discretionary or executed automatically under a pre-arranged Rule 10b5-1 trading plan, and a Form 4 does not always make clear which applies.

Transactions reported on this filing
Code Nature Shares Price Value
S Open-market sale 1,103 $174.46 $192.4K
S Open-market sale 3,300 $175.42 $578.9K
S Open-market sale 1,300 $176.34 $229.2K
S Open-market sale 971 $177.48 $172.3K
Filing: Form 4 (Insider Transaction) Insider: Krognes Steve E. (Director) Shares: 6,674 Est. Value: $1.17M
Form 4 Open-market sale Insider Selling 2026-09-17

GH insider Azar Alex M II (Director) sold 826 shares (~$144.6K)

Azar Alex M II, listed as Director at Guardant Health, Inc., reported an open-market sale of 826 GH shares in a Form 4 filing. This is a confirmed insider sale, not just a proposed sale notice.

The insider sold shares on the open market. Sales may be discretionary or executed automatically under a pre-arranged Rule 10b5-1 trading plan, and a Form 4 does not always make clear which applies.

Transactions reported on this filing
Code Nature Shares Price Value
S Open-market sale 826 $175.00 $144.6K
Filing: Form 4 (Insider Transaction) Insider: Azar Alex M II (Director) Shares: 826 Est. Value: $144.6K
Form 4 Open-market sale Insider Selling 2026-09-17

GH insider Tariq Musa (Director) sold 116 shares (~$20.3K)

Tariq Musa, listed as Director at Guardant Health, Inc., reported an open-market sale of 116 GH shares in a Form 4 filing. This is a confirmed insider sale, not just a proposed sale notice.

The insider sold shares on the open market. Sales may be discretionary or executed automatically under a pre-arranged Rule 10b5-1 trading plan, and a Form 4 does not always make clear which applies.

Transactions reported on this filing
Code Nature Shares Price Value
M Option exercise 249 — —
S Open-market sale 116 $175.00 $20.3K
M Option exercise derivative · Restricted Stock Units 249 — —
Filing: Form 4 (Insider Transaction) Insider: Tariq Musa (Director) Shares: 116 Est. Value: $20.3K
Form 4 Option exercise Tax / Compensation Filing 2026-09-14

GH insider Form 4 filed for equity award, exercise, or tax withholding

Azar Alex M II (Director) filed a Form 4 covering compensation-related activity such as stock awards, option exercises, conversions, or tax withholding. These filings are usually neutral.

The insider converted options into shares. The exercise price was fixed when the options were granted, so the timing usually tracks an expiry schedule.

Transactions reported on this filing
Code Nature Shares Price Value
M Option exercise 1,651 — —
M Option exercise derivative · Restricted Stock Units 1,651 — —
Filing: Form 4 (Insider Transaction) Insider: Azar Alex M II (Director) Shares: 1,651
Form 4 Open-market sale Insider Selling 2026-09-14

GH insider Kalia Kumud (Chief Information Officer) sold 4,000 shares (~$632.2K)

Kalia Kumud, listed as Chief Information Officer at Guardant Health, Inc., reported an open-market sale of 4,000 GH shares in a Form 4 filing. This is a confirmed insider sale, not just a proposed sale notice.

The insider sold shares on the open market. Sales may be discretionary or executed automatically under a pre-arranged Rule 10b5-1 trading plan, and a Form 4 does not always make clear which applies.

Transactions reported on this filing
Code Nature Shares Price Value
S Open-market sale 4,000 $158.05 $632.2K
Filing: Form 4 (Insider Transaction) Insider: Kalia Kumud (Chief Information Officer) Shares: 4,000 Est. Value: $632.2K
Proposed Insider Sales 4 · Form 144

A Form 144 is a notice of intent to sell restricted or control securities. It is not a record that anything was sold. Guardant Health, Inc. has 4 such notices in this period.

The distinction matters because a Form 144 is frequently reported as though it were a completed insider sale. The filer may sell all of the shares covered, some of them, or none at all, and there is no obligation to update the notice either way. A sale that is actually executed by an officer or director shows up separately on a Form 4, which is the filing to check before treating a proposed sale as a real one.

Form 144 Proposed Insider Sale 2026-09-16

GH Form 144 filed for proposed insider sale by Tariq Musa (116 shares) ~$20.3K

Tariq Musa filed a Form 144 with the SEC indicating intent to sell GH (Guardant Health, Inc.) shares. Form 144 reflects a proposed sale, not a completed transaction. The actual execution, if any, would typically appear later in a Form 4.

Filing: Form 144 (Proposed Sale Notice) Insider: Tariq Musa Shares: 116 Est. Value: $20.3K
Form 144 Proposed Insider Sale 2026-09-16

GH Form 144 filed for proposed insider sale by Azar Alex M II (826 shares) ~$144.6K

Azar Alex M II filed a Form 144 with the SEC indicating intent to sell GH (Guardant Health, Inc.) shares. Form 144 reflects a proposed sale, not a completed transaction. The actual execution, if any, would typically appear later in a Form 4.

Filing: Form 144 (Proposed Sale Notice) Insider: Azar Alex M II Shares: 826 Est. Value: $144.6K
Form 144 Proposed Insider Sale 2026-09-16

GH Form 144 filed for proposed insider sale by Krognes Steve E. (6,674 shares) ~$1.17M

Krognes Steve E. filed a Form 144 with the SEC indicating intent to sell GH (Guardant Health, Inc.) shares. Form 144 reflects a proposed sale, not a completed transaction. The actual execution, if any, would typically appear later in a Form 4.

Filing: Form 144 (Proposed Sale Notice) Insider: Krognes Steve E. Shares: 6,674 Est. Value: $1.17M
Form 144 Proposed Insider Sale 2026-09-15

GH Form 144 filed for proposed insider sale by Chudova Darya (7,738 shares) ~$1.38M

Chudova Darya filed a Form 144 with the SEC indicating intent to sell GH (Guardant Health, Inc.) shares. Form 144 reflects a proposed sale, not a completed transaction. The actual execution, if any, would typically appear later in a Form 4.

Filing: Form 144 (Proposed Sale Notice) Insider: Chudova Darya Shares: 7,738 Est. Value: $1.38M

How we classify Guardant Health, Inc.'s filings

Straight from EDGAR

Each displayed record links to an original source document. StrongBuyAnalytics provides navigation and brief excerpts or summaries, not the filing itself. Parsing may omit context or contain errors, so read the original document in full.

Transaction codes, not guesswork

The nature shown on each insider filing comes from the transaction code the filer entered on the form itself — P for an open-market purchase, A for a compensation award, F for shares withheld to pay tax, M for an option exercise. Where one filing contains several codes, the transaction table lists them line by line.

Why the distinction matters

Insider activity is routinely summarised as buying or selling, which flattens together decisions that mean very different things. Shares withheld for tax on a vesting grant are an automatic administrative step; shares bought on the open market are someone committing their own money at the current price.

What this page does not tell you

A filing records what happened, not why. Form 4 does not always disclose whether a sale was executed under a pre-arranged Rule 10b5-1 plan, and no single filing is a basis for a decision on GH. Read these alongside the fundamentals rather than in isolation.

Frequently Asked Questions — GH SEC Filings

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Publisher, sources & limitations — September 15, 2026. StrongBuyAnalytics provides navigation and brief excerpts or summaries for educational use. Original filings remain at SEC EDGAR or other displayed source links; StrongBuyAnalytics does not author them. Filing dates are source dates, not publication dates for this page. Coverage can be delayed, incomplete, amended, or unavailable because of SEC/source availability, parsing, caching, or outages. Verify every material statement in the original filing.
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