Notice of Proposed Sale · 144
Sera Prognostics, Inc.
SERANASDAQEQUITYCurrent
Notice of Proposed Sale
Structured filing — 144
primary_doc.xml
Notice of proposed sale. The proposed amounts below do not establish that a sale occurred.
Proposed-sale notice
- Issuer
- Sera Prognostics, Inc.
- Issuer CIK
- 0001534969
- SEC file number
- 001-40606
- Phone
- (801)-990-0520
- Person for whose account securities are to be sold
- Jackson Benjamin
- Relationships to issuer
- Officer
- Street
- 2749 East Parleys Way
- Street (continued)
- Suite 200
- City
- Salt Lake City
- State / country code
- UT
- Postal code
- 84109
Securities proposed for sale
| Security | Proposed units | Aggregate market value | Units outstanding | Approximate sale date | Exchange | Broker / market maker |
|---|---|---|---|---|---|---|
| Class A Common | 2,190 | 4,380 | 39,449,466 | 09/10/2026 | NASDAQ | Morgan Stanley Smith Barney LLC |
Broker / market maker — proposed row 1, entry 1
- Name
- Morgan Stanley Smith Barney LLC
- Street
- 1 New York Plaza
- Street (continued)
- 38th Floor
- City
- New York
- State / country code
- NY
- Postal code
- 10004
Acquisition of securities to be sold
| Security | Acquired | Nature of acquisition | Acquired from | Amount acquired | Gift transaction | Payment date | Nature of payment |
|---|---|---|---|---|---|---|---|
| Class A Common | 09/10/2026 | Restricted Stock Unit Vesting | Issuer | 2,190 | N | 09/10/2026 | Not Applicable |
Sales reported in the preceding three months
| Seller | Security | Sale date | Amount sold | Gross proceeds |
|---|---|---|---|---|
| Benjamin Jackson | Class A Common | 06/11/2026 | 2,179 | 4,369 |
Seller — prior-sale row 1, entry 1
- Name
- Benjamin Jackson
- Street
- 2749 E. Parleys Way
- Street (continued)
- Suite 200
- City
- Salt Lake City
- State / country code
- UT
- Postal code
- 84109
Prior-sale reporting
- Nothing to report for the preceding three months
- N
Remarks
The sale on this form represents the number of shares sold by the Reporting Person to cover tax withholding obligations in connection with the vesting of restricted stock units. The sale is mandated by the Issuer's election to require the satisfaction of tax withholding obligations to be funded by sell to cover transactions and does not represent a discretionary transaction by the Reporting Person.
Notice signature
- Notice date
- 09/11/2026
- Signed
- /s/ Benjamin G. Jackson
Company context
Sera Prognostics is a leading health diagnostics company dedicated to improving the lives of women and babies through precision pregnancy care. Sera’s mission is to provide early, pivotal pregnancy information to improve the health of mothers and newborns, resulting in reductions in the costs of healthcare delivery. Sera has a robust pipeline of innovative diagnostic tests focused on the early prediction of preterm birth risk and other complications of pregnancy. Sera’s precision medicine PreTRM® Test reports to a physician the individualized risk of spontaneous premature delivery in a pregnancy, enabling earlier proactive interventions in women with higher risk. Sera Prognostics is headquartered in Salt Lake City, Utah.