Track IPO pricing from 424B4 prospectuses

Get final IPO terms from 424B4 prospectuses: shares offered, price, ticker, exchange, proceeds and underwriters, as JSON.

An IPO starts with an S-1 (or F-1 for foreign issuers) registration statement and ends with a 424B4 final prospectus, filed after pricing. The 424B4 holds the final terms. /v1/ipo extracts them.

Final prospectuses since September 1

import os
import requests

BASE = "https://secfeedapi.com"
HEADERS = {"Authorization": f"Bearer {os.environ['SECFEED_KEY']}"}

r = requests.get(f"{BASE}/v1/ipo", params={"formType": "424B4", "startDate": "2026-09-01"}, headers=HEADERS, timeout=120)
r.raise_for_status()
data = r.json()
seen, filings = set(), []
for f in data["filings"]:  # some issuers file the same final prospectus twice
    t = f.get("terms") or {}
    key = (f["cik"], t.get("sharesOffered"), t.get("pricePerShare"))
    if key not in seen:
        seen.add(key)
        filings.append(f)
print(len(filings), "424B4 final prospectuses since 2026-09-01")
for f in filings[:10]:
    t = f.get("terms") or {}
    proceeds = t.get("proceedsBeforeExpenses")
    print(f"{f['filedAt']}  {(t.get('ticker') or '-'):6} {f['companyName'][:30]:30} {t.get('sharesOffered') or 0:>12,.0f} sh @ ${t.get('pricePerShare') or 0:<6} "
          f"{('$' + format(proceeds, ',.0f')) if proceeds else '':>16}  {', '.join((t.get('underwriters') or [])[:2])}")

Output:

29 424B4 final prospectuses since 2026-09-01
2026-10-09  TRXB   TRex Bio, Inc.                    8,333,334 sh @ $14.0       $108,500,009  J.P. Morgan, Evercore ISI
2026-10-09  DKI    DarkIris Inc.                       898,965 sh @ $1.44                     
2026-10-09  RTSN   Retension Pharmaceuticals, Inc    3,750,000 sh @ $12.0        $41,850,000  Leerink Partners, Guggenheim Securities
2026-10-09  SBFM   Sunshine Biopharma Inc.          15,219,383 sh @ $0.55                     Aegis Capital Corp.
2026-10-08  BMGL   Basel Medical Group Ltd           6,000,000 sh @ $1.33                     
2026-10-06  PAXG   Pine Tree Acquisition Corp.       1,500,000 sh @ $10.0        $99,500,000  Maxim Group LLC
2026-10-02  -      Southport Acquisition Corp. II    3,000,000 sh @ $10.0                     
2026-10-01  ACCV   Accelevation Holdings Corp.      10,000,000 sh @ $18.0       $341,100,000  Morgan Stanley, J.P. Morgan
2026-09-30  NIVF   NewGenIvf Group Ltd                 125,000 sh @ $0.07         $1,150,000  
2026-09-28  RZAI   ROZE AI INC.                              0 sh @ $8.0

Terms extracted

Terms are read from the prospectus cover and underwriting section. Small offerings and SPACs format their covers in many ways, so some fields can be empty; the document link is always there for a manual check.

Follow a deal from S-1 to pricing

1. Watch S-1 and F-1 filings with a filing search or the real-time stream.
2. Amendments (S-1/A) usually add the price range and share count.
3. The 424B4 confirms the final price and size.

Join the steps on cik.

Ideas

• Weekly IPO calendar with final terms
• Underwriter league tables by number of deals
• SPAC issuance tracking (most SPACs price at $10.00)

Next steps

• IPO API
• Datasets: 424B4, S-1, F-1