Guardant Health, Inc. (GH) Insider Trading
Over the last 3 months, GH insiders made 0 open-market buys and 34 sales, a net sale of -$37.4M (SEC Form 4). Over the last 6 months, 365 institutions increased and 311 reduced their position (13F).
Insider Activity
Sentiment
0/100
Buys (3m)
0
Sells (3m)
34
Net (3m)
-$37.4M
Insider trades by month Buys Sells
Jan
Mar
Apr
May
Jun
Context3-month price +43.7%Institutions accumulating (13F)
| Date | Insider | Type | Shares | Price |
|---|---|---|---|---|
| Jun 4, 2026 | Joyce Meghan V.director | Sell | 3,516 | $126.52 |
| Jun 4, 2026 | Joyce Meghan V.director | Option | 8,803 | $38.01 |
| Jun 4, 2026 | Joyce Meghan V.director | Option | 1,197 | $38.42 |
| Jun 4, 2026 | Joyce Meghan V.director | Sell | 106 | $129.31 |
| Jun 4, 2026 | Joyce Meghan V.director | Sell | 5,728 | $127.11 |
| Jun 4, 2026 | Joyce Meghan V.director | Sell | 650 | $128.02 |
| Jun 1, 2026 | Krognes Steve E.director | Option | 154 | — |
| May 29, 2026 | Hidalgo Medina Manueldirector | Sell | 1,000 | $130.06 |
| May 28, 2026 | Saia John G.officer: Chief Legal Officer | Sell | 6 | $126.08 |
| May 28, 2026 | Saia John G.officer: Chief Legal Officer | Sell | 9,994 | $125.08 |
| May 26, 2026 | Freeman Chrisofficer: Chief Commercial Officer | Sell | 24,406 | $118.67 |
| May 26, 2026 | Freeman Chrisofficer: Chief Commercial Officer | Option | 24,406 | $32.86 |
| May 22, 2026 | Talasaz AmirAlidirector, officer: Co-Chief Executive Officer | Sell | 1,366 | $103.82 |
| May 22, 2026 | Talasaz AmirAlidirector, officer: Co-Chief Executive Officer | Sell | 33,069 | $108.11 |
| May 22, 2026 | Hidalgo Medina Manueldirector | Sell | 250 | $107.07 |
| May 22, 2026 | Talasaz AmirAlidirector, officer: Co-Chief Executive Officer | Sell | 900 | $102.57 |
| May 22, 2026 | Hidalgo Medina Manueldirector | Option | 1,000 | $32.55 |
| May 22, 2026 | Talasaz AmirAlidirector, officer: Co-Chief Executive Officer | Sell | 28,908 | $110.10 |
| May 22, 2026 | Talasaz AmirAlidirector, officer: Co-Chief Executive Officer | Sell | 37,163 | $111.14 |
| May 22, 2026 | CLARK IAN Tdirector | Sell | 6,876 | $106.90 |
| May 22, 2026 | Saia John G.officer: Chief Legal Officer | Sell | 5,632 | $105.34 |
| May 22, 2026 | Talasaz AmirAlidirector, officer: Co-Chief Executive Officer | Sell | 11,919 | $105.01 |
| May 22, 2026 | Saia John G.officer: Chief Legal Officer | Sell | 7,181 | $107.23 |
| May 22, 2026 | Talasaz AmirAlidirector, officer: Co-Chief Executive Officer | Sell | 1,200 | $105.88 |
| May 22, 2026 | Saia John G.officer: Chief Legal Officer | Sell | 7,187 | $106.71 |
| May 22, 2026 | Talasaz AmirAlidirector, officer: Co-Chief Executive Officer | Sell | 9,852 | $108.97 |
| May 22, 2026 | Hidalgo Medina Manueldirector | Sell | 1,000 | $107.10 |
| May 22, 2026 | Talasaz AmirAlidirector, officer: Co-Chief Executive Officer | Sell | 200 | $100.95 |
| May 22, 2026 | Talasaz AmirAlidirector, officer: Co-Chief Executive Officer | Sell | 26,352 | $112.76 |
| May 22, 2026 | Talasaz AmirAlidirector, officer: Co-Chief Executive Officer | Sell | 37,900 | $112.02 |
Source: GH SEC Form 4 filings, latest Jun 4, 2026. For informational purposes only — not investment advice.
Institutional activity (13F)
How institutions changed their GH positions over the last 6 months (SEC Form 13F).
Increased
365
New positions
199
Reduced
311
Sold out
108
Largest moves
| Institution | Action | Shares | Filed |
|---|---|---|---|
| VANGUARD GROUP INC | Increased | 12.2M | Jan 29, 2026 |
| BLACKROCK, INC. | Increased | 11.6M | May 13, 2026 |
| BLACKROCK, INC. | Reduced | 11.3M | Feb 12, 2026 |
| PRICE T ROWE ASSOCIATES INC /MD/ | Increased | 7.0M | May 15, 2026 |
| VANGUARD PORTFOLIO MANAGEMENT LLC | New Position | 5.8M | May 8, 2026 |
| PRICE T ROWE ASSOCIATES INC /MD/ | Increased | 5.6M | Feb 17, 2026 |
| VANGUARD CAPITAL MANAGEMENT LLC | New Position | 5.6M | May 15, 2026 |
| INVESCO LTD. | Increased | 5.3M | Feb 19, 2026 |
| INVESCO LTD. | Reduced | 4.9M | May 12, 2026 |
| BAILLIE GIFFORD & CO | Reduced | 4.9M | Jan 23, 2026 |
| GOLDMAN SACHS GROUP INC | Increased | 4.4M | May 15, 2026 |
| TWO SIGMA INVESTMENTS, LP | Increased | 4.2M | May 15, 2026 |
| FMR LLC | Increased | 4.1M | May 15, 2026 |
| BAILLIE GIFFORD & CO | Reduced | 3.9M | May 8, 2026 |
| CAPITAL INTERNATIONAL INVESTORS | Reduced | 3.5M | Feb 11, 2026 |
Source: SEC Form 13F filings. For informational purposes only — not investment advice.