Sera Prognostics, Inc. (SERA) Insider Trading
Over the last 3 months, SERA insiders made 0 open-market buys and 8 sales, a net sale of -$91K (SEC Form 4). Over the last 6 months, 5 institutions increased and 19 reduced their position (13F).
Insider Activity
Sentiment
0/100
Buys (3m)
0
Sells (3m)
8
Net (3m)
-$90.6K
Insider trades by month Buys Sells
Nov
Dec
Jan
Feb
Mar
Jun
Context3-month price -2.9%Institutions reducing (13F)
| Date | Insider | Type | Shares | Price |
|---|---|---|---|---|
| Jul 14, 2026 | Barlow Jane Fdirector | Grant | 34,494 | $1.97 |
| Jul 14, 2026 | CRITCHFIELD GREGORY Cdirector | Grant | 1,594 | — |
| Jul 14, 2026 | CRITCHFIELD GREGORY Cdirector | Grant | 34,494 | $1.97 |
| Jul 14, 2026 | CRITCHFIELD GREGORY Cdirector | Grant | 2,452 | $1.97 |
| Jul 14, 2026 | Capone Mark Christopherdirector | Grant | 42,404 | — |
| Jul 14, 2026 | Capone Mark Christopherdirector | Grant | 1,975 | — |
| Jul 14, 2026 | Capone Mark Christopherdirector | Grant | 62,766 | $1.97 |
| Jul 14, 2026 | Capone Mark Christopherdirector | Grant | 3,037 | $1.97 |
| Jul 14, 2026 | Barlow Jane Fdirector | Grant | 22,426 | — |
| Jul 14, 2026 | Barlow Jane Fdirector | Grant | 1,949 | — |
| Jul 14, 2026 | Barlow Jane Fdirector | Grant | 2,998 | $1.97 |
| Jul 14, 2026 | Phillips Joshuadirector | Grant | 22,426 | — |
| Jul 14, 2026 | Phillips Joshuadirector | Grant | 2,260 | — |
| Jul 14, 2026 | Phillips Joshuadirector | Grant | 34,494 | $1.97 |
| Jul 14, 2026 | Phillips Joshuadirector | Grant | 3,477 | $1.97 |
| Jul 14, 2026 | Mirza Mansoor Razadirector | Grant | 22,426 | — |
| Jul 14, 2026 | Mirza Mansoor Razadirector | Grant | 1,771 | — |
| Jul 14, 2026 | Mirza Mansoor Razadirector | Grant | 34,494 | $1.97 |
| Jul 14, 2026 | Mirza Mansoor Razadirector | Grant | 2,725 | $1.97 |
| Jul 14, 2026 | Lawrence Sandra AJdirector | Grant | 22,426 | — |
| Jul 14, 2026 | Lawrence Sandra AJdirector | Grant | 2,276 | — |
| Jul 14, 2026 | Lawrence Sandra AJdirector | Grant | 34,494 | $1.97 |
| Jul 14, 2026 | Lawrence Sandra AJdirector | Grant | 3,501 | $1.97 |
| Jul 14, 2026 | Kamdar Kim P.director | Grant | 5,263 | $1.97 |
| Jul 14, 2026 | Kamdar Kim P.director | Grant | 22,426 | — |
| Jul 14, 2026 | Kamdar Kim P.director | Grant | 3,421 | — |
| Jul 14, 2026 | Kamdar Kim P.director | Grant | 34,494 | $1.97 |
| Jul 14, 2026 | CRITCHFIELD GREGORY Cdirector | Grant | 22,426 | — |
| Jun 15, 2026 | Jackson Benjaminofficer: General Counsel | Sell | 2,179 | $2.01 |
| Jun 15, 2026 | Anderson Dyaarl Lee Jr.officer: Chief Commercial Officer | Sell | 4,739 | $2.01 |
Source: SERA SEC Form 4 filings, latest Jul 14, 2026. For informational purposes only — not investment advice.
Institutional activity (13F)
How institutions changed their SERA positions over the last 6 months (SEC Form 13F).
Increased
5
New positions
12
Reduced
19
Sold out
55
Largest moves
| Institution | Action | Shares | Filed |
|---|---|---|---|
| BAKER BROS. ADVISORS LP | Unchanged | 5.5M | May 15, 2026 |
| WHETSTONE CAPITAL ADVISORS, LLC | Reduced | 3.3M | May 15, 2026 |
| ABRDN PLC | Increased | 2.6M | Apr 29, 2026 |
| PSP Research LLC | New Position | 2.4M | Apr 17, 2026 |
| VIVO CAPITAL, LLC | Unchanged | 1.7M | May 20, 2026 |
| VANGUARD CAPITAL MANAGEMENT LLC | New Position | 1.2M | May 15, 2026 |
| CAPTRUST FINANCIAL ADVISORS | Reduced | 537K | May 15, 2026 |
| GEODE CAPITAL MANAGEMENT, LLC | Increased | 364K | May 15, 2026 |
| SANDERS MORRIS HARRIS LLC | New Position | 315K | Apr 9, 2026 |
| CITADEL ADVISORS LLC | Reduced | 264K | May 15, 2026 |
| AWM INVESTMENT COMPANY, INC. | Unchanged | 207K | May 15, 2026 |
| BLACKROCK, INC. | Increased | 196K | May 13, 2026 |
| VANGUARD FIDUCIARY TRUST CO | New Position | 170K | May 8, 2026 |
| STATE STREET CORP | Unchanged | 125K | May 15, 2026 |
| MORGAN STANLEY | Reduced | 105K | May 15, 2026 |
Source: SEC Form 13F filings. For informational purposes only — not investment advice.