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Saia John G. profile photo

John G. Saia

CIK: 0001737840

Transaction Breakdown

Open Market Buys (P)0 (0.0%)

High conviction signal

Open Market Sales (S)6 (7.3%)

Position reduction

Option Exercises (M)45 (54.9%)

Derivative conversions

Awards (A)5 (6.1%)

Compensation grants

Other (G, F, J, C, D, …)26 (31.7%)

Gifts, tax withholding, conversions, dispositions to the issuer and other codes

Companies & Roles (1)

Guardant Health, Inc. logo
GH

Guardant Health, Inc.

Officer

Discretionary Trading P&L

Holdings

Transaction History (82 total)

  • Guardant Health, Inc. logo
    GH

    Guardant Health, Inc.

    Oct 1, 2026
    Exercise(M)
    Direct
    1.7K shares-
  • Guardant Health, Inc. logo
    GH

    Guardant Health, Inc.

    Oct 1, 2026
    Exercise(M)
    Direct
    2.9K shares-
  • Guardant Health, Inc. logo
    GH

    Guardant Health, Inc.

    Oct 1, 2026
    Tax Payment(F)
    Direct
    3.7K shares at avg. $174.75$648K
  • Guardant Health, Inc. logo
    GH

    Guardant Health, Inc.

    Oct 1, 2026
    Exercise(M)
    Direct
    1.5K shares-
  • Guardant Health, Inc. logo
    GH

    Guardant Health, Inc.

    Oct 1, 2026
    Exercise(M)
    Direct
    974 shares-
  • Guardant Health, Inc. logo
    GH

    Guardant Health, Inc.

    Aug 10, 2026
    Gift(G)
    Direct
    800 shares-
  • Guardant Health, Inc. logo
    GH

    Guardant Health, Inc.

    Jul 1, 2026
    Exercise(M)
    Direct
    2.9K shares-
  • Guardant Health, Inc. logo
    GH

    Guardant Health, Inc.

    Jul 1, 2026
    Exercise(M)
    Direct
    974 shares-
  • Guardant Health, Inc. logo
    GH

    Guardant Health, Inc.

    Jul 1, 2026
    Exercise(M)
    Direct
    1.7K shares-
  • Guardant Health, Inc. logo
    GH

    Guardant Health, Inc.

    Jul 1, 2026
    Tax Payment(F)
    Direct
    3.7K shares at avg. $170.77$633K
  • Guardant Health, Inc. logo
    GH

    Guardant Health, Inc.

    Jul 1, 2026
    Exercise(M)
    Direct
    1.5K shares-
  • Guardant Health, Inc. logo
    GH

    Guardant Health, Inc.

    Jun 15, 2026
    Tax Payment(F)
    Direct
    535 shares at avg. $129.82$69K
  • Guardant Health, Inc. logo
    GH

    Guardant Health, Inc.

    Jun 15, 2026
    Exercise(M)
    Direct
    1K shares-
  • Guardant Health, Inc. logo
    GH

    Guardant Health, Inc.

    May 27, 2026
    Sale(S)
    Direct
    10K shares at avg. $125.08$1.3M
  • Guardant Health, Inc. logo
    GH

    Guardant Health, Inc.

    May 27, 2026
    Sale(S)
    Direct
    6 shares at avg. $126.08$756.48
  • Guardant Health, Inc. logo
    GH

    Guardant Health, Inc.

    May 20, 2026
    Sale(S)
    Direct
    7.2K shares at avg. $106.71$767K
  • Guardant Health, Inc. logo
    GH

    Guardant Health, Inc.

    May 20, 2026
    Sale(S)
    Direct
    7.2K shares at avg. $107.23$770K
  • Guardant Health, Inc. logo
    GH

    Guardant Health, Inc.

    May 20, 2026
    Sale(S)
    Direct
    5.6K shares at avg. $105.34$593K
  • Guardant Health, Inc. logo
    GH

    Guardant Health, Inc.

    Apr 15, 2026
    Tax Payment(F)
    Direct
    4K shares at avg. $84.86$337K
  • Guardant Health, Inc. logo
    GH

    Guardant Health, Inc.

    Apr 15, 2026
    Exercise(M)
    Direct
    7.6K shares-
  • Guardant Health, Inc. logo
    GH

    Guardant Health, Inc.

    Apr 1, 2026
    Exercise(M)
    Direct
    974 shares-
  • Guardant Health, Inc. logo
    GH

    Guardant Health, Inc.

    Apr 1, 2026
    Exercise(M)
    Direct
    5.9K shares-
  • Guardant Health, Inc. logo
    GH

    Guardant Health, Inc.

    Apr 1, 2026
    Exercise(M)
    Direct
    1.7K shares-
  • Guardant Health, Inc. logo
    GH

    Guardant Health, Inc.

    Apr 1, 2026
    Exercise(M)
    Direct
    2.9K shares-
  • Guardant Health, Inc. logo
    GH

    Guardant Health, Inc.

    Apr 1, 2026
    Tax Payment(F)
    Direct
    6K shares at avg. $91.15$548K

1-25 of 82

About Saia John G.

Saia John G. (SEC CIK 0001737840) files insider reports with the SEC as Chief Legal Officer of Guardant Health, Inc. (GH).

Signal8 holds 32 ownership filings by Saia John G., all Form 4s, filed between Sep 3, 2024 and Oct 2, 2026. Those filings report 82 transactions, from Sep 1, 2024 to Oct 1, 2026. Signal8's Form 4 history starts in Sep 2024.

The business address on Saia John G.'s filings is in PALO ALTO, CA.

Recent filings by Saia John G.

  • Oct 1, 2026: Option exercises of GH shares (2 lines, Form 4, code M).
  • Oct 1, 2026: Tax withholding of GH shares (Form 4, code F).
  • Oct 1, 2026: Option exercises of GH shares (2 lines, Form 4, code M).
  • Aug 10, 2026: Gift of GH shares (Form 4, code G).
  • Jul 1, 2026: Option exercises of GH shares (3 lines, Form 4, code M).

Other insiders filing for Guardant Health, Inc. (GH)

How to read Form 4 transaction codes