---
schema_version: "secwatch.filing_event.v1"
accession: "0000943374-23-000460"
form_type: "8-K"
ticker: "FSEA"
cik: "0001943802"
company_name: "First Seacoast Bancorp, Inc."
filed_at: "2023-11-29T23:59:59+00:00"
generated_at: "2026-06-07T20:33:24.545613+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.5
calibrated_materiality_score: 0.5
confidence: "high"
source: SEC EDGAR
---

# First Seacoast sells $40.6M low-yield securities, buys higher-yield; expects $995K annual after-tax gain

## Summary
- Sold $40.6M book value of lower-yielding securities for estimated after-tax loss of $3.1M.
- Purchased $40.6M of higher-yielding securities with a positive spread differential of ~348 bps.
- Repositioning expected to add ~$995,000 after-tax annually; loss recouped in ~3 years.
- Regulatory capital remains well above well-capitalized levels post-transaction.
- Effective duration of sold securities 5.8 years; purchased securities 5.4 years.

## SEC filing metadata
- accession: 0000943374-23-000460
- form_type: 8-K
- ticker: FSEA
- cik: 0001943802
- company_name: First Seacoast Bancorp, Inc.
- filed_at: 2023-11-29T23:59:59+00:00
- event_type: other_material
- sentiment: neutral
- materiality_score: 0.5
- calibrated_materiality_score: 0.5
- confidence: high
- sec_items: 8.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1943802/000094337423000460/0000943374-23-000460-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1943802/000094337423000460/form8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0000943374-23-000460
- JSON: https://secwatch.observer/filing/0000943374-23-000460.json
- Plain text: https://secwatch.observer/filing/0000943374-23-000460.txt

This AI-assisted summary is a reading aid. Review the linked SEC EDGAR filing before relying on any specific claim.