8-K - SERA PROGNOSTICS, INC. (0001534969) (Filer)
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8-K - SERA PROGNOSTICS filed an 8-K with the SEC on Nov 4 (a notice of a material company event).
Directly affected
- SERA Sera Prognostics
Named in this report.
Indirectly affected
- XLV Health Care Select Sector SPDR
Health Care Select Sector SPDR holds the health sector that Sera Prognostics belongs to, so it often moves with news about it.
- NTRA Natera-24.8% 30d
Natera is a peer of Sera Prognostics in medical laboratories; rivals often move on the same news.
- LH Labcorp Holdings+20.5% 30d
Labcorp Holdings is a peer of Sera Prognostics in medical laboratories; rivals often move on the same news.
- DGX Quest Diagnostics+10.9% 30d
Quest Diagnostics is a peer of Sera Prognostics in medical laboratories; rivals often move on the same news.
- GH Guardant Health-8.8% 11d
Guardant Health is a peer of Sera Prognostics in medical laboratories; rivals often move on the same news.
- CAI Caris Life Sciences-24.2% 30d
Caris Life Sciences is a peer of Sera Prognostics in medical laboratories; rivals often move on the same news.
Price reaction, T-5 to T+3
| Ticker | T-5 | T-3 | T-1 | T0 | T+1 | T+2 | T+3 |
|---|---|---|---|---|---|---|---|
| SERA | +2.48% | +3.72% | base | +0.00% | +3.72% | +9.18% | +1.24% |
| XLV | -2.96% | -2.66% | base | -2.36% | -2.53% | -0.67% | -0.41% |
| NTRA | +11.54% | -3.13% | base | -6.95% | -20.62% | -17.40% | -20.22% |
| LH | +0.07% | -3.30% | base | -1.27% | -0.31% | +1.38% | +1.02% |
| DGX | -1.03% | -1.86% | base | -0.36% | +0.02% | +1.51% | +1.14% |
| GH | +9.92% | +1.31% | base | -9.08% | -10.33% | -6.20% | -7.76% |
| CAI | +8.83% | -3.40% | base | -21.53% | -24.03% | -22.66% | -26.40% |
Closing-price change versus T-1, the last close before the story. T0 to T+3 fill in after each market close. Prices: Alpaca IEX.
Filed: 2026-11-04 AccNo: 0001534969-26-000038 Size: 710 KB Item 2.02: Results of Operations and Financial Condition Item 9.01: Financial Statements and Exhibits
Source: sec-edgar
How far Sera Prognostics (SERA) has moved since 4 Nov 2026
Since the first closing price after “8-K - SERA PROGNOSTICS, INC. (0001534969) (Filer),” Sera Prognostics (SERA) is -3.39%.
| Company | When | Move | Status |
|---|---|---|---|
| Caris Life Sciences (CAI) | that day | -21.53% | final price |
| Caris Life Sciences (CAI) | the next day | -24.03% | final price |
| Caris Life Sciences (CAI) | two days later | -22.66% | final price |
| Caris Life Sciences (CAI) | three days later | -26.40% | final price |
| Caris Life Sciences (CAI) | three days earlier | -3.40% | final price |
| Caris Life Sciences (CAI) | five days earlier | +8.83% | final price |
| Quest Diagnostics (DGX) | that day | -0.36% | final price |
| Quest Diagnostics (DGX) | the next day | +0.02% | final price |
| Quest Diagnostics (DGX) | two days later | +1.51% | final price |
| Quest Diagnostics (DGX) | three days later | +1.14% | final price |
| Quest Diagnostics (DGX) | three days earlier | -1.86% | final price |
| Quest Diagnostics (DGX) | five days earlier | -1.03% | final price |
| Guardant Health (GH) | that day | -9.08% | final price |
| Guardant Health (GH) | the next day | -10.33% | final price |
| Guardant Health (GH) | two days later | -6.20% | final price |
| Guardant Health (GH) | three days later | -7.76% | final price |
| Guardant Health (GH) | three days earlier | +1.31% | final price |
| Guardant Health (GH) | five days earlier | +9.92% | final price |
| Labcorp Holdings (LH) | that day | -1.27% | final price |
| Labcorp Holdings (LH) | the next day | -0.31% | final price |
| Labcorp Holdings (LH) | two days later | +1.38% | final price |
| Labcorp Holdings (LH) | three days later | +1.02% | final price |
| Labcorp Holdings (LH) | three days earlier | -3.30% | final price |
| Labcorp Holdings (LH) | five days earlier | +0.07% | final price |
| Natera (NTRA) | that day | -6.95% | final price |
| Natera (NTRA) | the next day | -20.62% | final price |
| Natera (NTRA) | two days later | -17.40% | final price |
| Natera (NTRA) | three days later | -20.22% | final price |
| Natera (NTRA) | three days earlier | -3.13% | final price |
| Natera (NTRA) | five days earlier | +11.54% | final price |
| Sera Prognostics (SERA) | that day | 0.00% | final price |
| Sera Prognostics (SERA) | the next day | +3.72% | final price |
| Sera Prognostics (SERA) | two days later | +9.18% | final price |
| Sera Prognostics (SERA) | three days later | +1.24% | final price |
| Sera Prognostics (SERA) | three days earlier | +3.72% | final price |
| Sera Prognostics (SERA) | five days earlier | +2.48% | final price |
| Select Sector Spdr Tr (XLV) | that day | -2.36% | final price |
| Select Sector Spdr Tr (XLV) | the next day | -2.53% | final price |
| Select Sector Spdr Tr (XLV) | two days later | -0.67% | final price |
| Select Sector Spdr Tr (XLV) | three days later | -0.41% | final price |
| Select Sector Spdr Tr (XLV) | three days earlier | -2.66% | final price |
| Select Sector Spdr Tr (XLV) | five days earlier | -2.96% | final price |
Congressional trades in the stocks in this story
- Rep. Rohit Khanna bought Labcorp Holdings (LH) (held by a spouse), worth $1,001 - $15,000 on 4 Sep 2026. That is 61 days before publication. Filed 7 Oct 2026. View the filing.
- Rep. April McClain Delaney sold Labcorp Holdings (LH) (held by a dependent child), worth $100,001 - $250,000 on 25 Aug 2026. That is 71 days before publication. Filed 9 Sep 2026. View the filing.
- Rep. April McClain Delaney sold Labcorp Holdings (LH) (held by a dependent child), worth $1,001 - $15,000 on 7 Aug 2026. That is 89 days before publication. Filed 9 Sep 2026. View the filing.
- Rep. Rohit Khanna bought Quest Diagnostics (DGX) (held by a spouse), worth $1,001 - $15,000 on 4 Sep 2026. That is 61 days before publication. Filed 7 Oct 2026. View the filing.
- Rep. Jonathan Jackson bought Guardant Health (GH) (jointly held), worth $15,001 - $50,000 on 28 Sep 2026. That is 37 days before publication. Filed 19 Oct 2026. View the filing.
Public disclosure filings, not a recommendation. The filing link is the source document. News use of these reports still sits under 5 U.S.C. § 13107(c).
Who gains and who loses around Sera Prognostics (SERA)
Companies carried with this story
- SERA Sera Prognostics
Sera Prognostics (SERA) is linked, with no stored direction, high confidence in the 4 Nov 2026 story “8-K - SERA PROGNOSTICS, INC. (0001534969) (Filer).” Reason on file: SEC 8-K filing -> direct issuer disclosure -> SERA
- XLV Select Sector Spdr Tr
For “8-K - SERA PROGNOSTICS, INC. (0001534969) (Filer),” Select Sector Spdr Tr (XLV) is linked, with no stored direction, medium confidence. Reason on file: Health Care Select Sector SPDR holds the health sector that Sera Prognostics belongs to, so it often moves with news about it
- NTRA Natera
In “8-K - SERA PROGNOSTICS, INC. (0001534969) (Filer),” Natera (NTRA) is linked, with no stored direction, medium confidence. Reason on file: Natera is a peer of Sera Prognostics in medical laboratories; rivals often move on the same news
- LH Labcorp Holdings
In “8-K - SERA PROGNOSTICS, INC. (0001534969) (Filer),” Labcorp Holdings (LH) is linked, with no stored direction, medium confidence. Reason on file: Labcorp Holdings is a peer of Sera Prognostics in medical laboratories; rivals often move on the same news
- DGX Quest Diagnostics
Quest Diagnostics (DGX) is linked, with no stored direction, medium confidence in the 4 Nov 2026 story “8-K - SERA PROGNOSTICS, INC. (0001534969) (Filer).” Reason on file: Quest Diagnostics is a peer of Sera Prognostics in medical laboratories; rivals often move on the same news
- GH Guardant Health
For “8-K - SERA PROGNOSTICS, INC. (0001534969) (Filer),” Guardant Health (GH) is linked, with no stored direction, medium confidence. Reason on file: Guardant Health is a peer of Sera Prognostics in medical laboratories; rivals often move on the same news
- CAI Caris Life Sciences
Caris Life Sciences (CAI) is linked, with no stored direction, medium confidence in the 4 Nov 2026 story “8-K - SERA PROGNOSTICS, INC. (0001534969) (Filer).” Reason on file: Caris Life Sciences is a peer of Sera Prognostics in medical laboratories; rivals often move on the same news
How “8-K - SERA PROGNOSTICS, INC. (0001534969) (Filer)” reaches Sera Prognostics (SERA)
Sera Prognostics (SERA) is the company in “8-K - SERA PROGNOSTICS, INC. (0001534969) (Filer),” the 4 Nov 2026 this story story.
The link for Sera Prognostics (SERA) is this: SEC 8-K filing -> direct issuer disclosure -> SERA
A second company, Select Sector Spdr Tr (XLV), is listed for a different reason: Health Care Select Sector SPDR holds the health sector that Sera Prognostics belongs to, so it often moves with news about it
Dates and price levels for Sera Prognostics (SERA)
NTRA traded between 304.01 and 436.18 across 20 sessions. The latest close on file is 311.80. SERA traded between 2.00 and 2.21 across 4 sessions. The latest close on file is 2.00.
How strong the case is around Sera Prognostics (SERA)
46 out of 100
“8-K - SERA PROGNOSTICS, INC. (0001534969) (Filer)” scores 46 out of 100. The score uses 1 sources, and 7 linked companies.