Secondary Stock Offering Tracker

Secondary Stock Offering Tracker monitors follow-on equity offerings, shelf registrations, ATM programs, convertible notes, and PIPE deals filed with the SEC. When a public company issues new shares, they file with the SEC and the stock often drops — this actor delivers those dilution events in real time, so you can get ahead of the supply-driven price pressure.

Secondary offerings are one of the most reliable short signals in small-cap and biotech — tracking them systematically is a major edge for equity traders.

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Why use Secondary Stock Offering Tracker?

1. Short dilution trades — Underwritten secondaries typically price at a 5–10% discount and cause immediate stock drops. Catch the SEC filing before the pricing press release.
2. ATM program monitoring — At-the-market equity programs dribble out shares continuously. A stock with an active ATM has persistent supply overhang — know which names do.
3. Convertible note arb — Convertible issuances trigger delta-hedging short selling from the underwriting banks. Track new converts to anticipate the arb pressure.
4. PIPE deals (catalyst alert) — PIPE financings are often paired with a company announcement (product approval, partnership, acquisition). The SEC filing can arrive before the press release.
5. Biotech and small-cap dilution watch — These sectors issue equity constantly. Systematic monitoring beats manual PR scanning.

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How to use

1. Open the actor on Apify Store and click Try for free.
2. Choose offeringTypes to filter by deal type (underwritten, atm, convertible, pipe, shelf, rights_offering).
3. Optionally set tickers to monitor specific companies, or set minProceedsM to filter for larger deals.
4. Click Start. Results are structured offering records sorted by filing date.

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Input

Field	Type	Default	Description
daysBack	number	14	How far back to search SEC EDGAR filings
offeringTypes	string	""	Comma-separated types: underwritten, atm, convertible, pipe, shelf, rights_offering (empty = all)
tickers	string	""	Comma-separated tickers to restrict search (e.g. "NVDA,AMD")
minProceedsM	number	0	Minimum gross proceeds in millions USD
maxResults	number	50	Maximum records to return

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Output

{
  "entity_name": "Palantir Technologies Inc.",
  "filing_date": "2026-08-19",
  "form_type": "424B4",
  "offering_type": "underwritten",
  "shares_offered": 50000000,
  "proceeds_usd": 1750000000,
  "accession_no": "0001321732-26-000089",
  "edgar_url": "https://www.sec.gov/Archives/edgar/data/..."
}

{
  "entity_name": "Sorrento Therapeutics Inc.",
  "filing_date": "2026-08-15",
  "form_type": "S-3",
  "offering_type": "atm",
  "shares_offered": null,
  "proceeds_usd": 150000000,
  "accession_no": "0001379785-26-000044",
  "edgar_url": "https://www.sec.gov/Archives/edgar/data/..."
}

Output fields

Field	Type	Description
entity_name	string	Issuing company name
filing_date	string	SEC filing date (YYYY-MM-DD)
form_type	string	SEC form: S-3, 424B3, 424B4, 424B5, etc.
offering_type	string	underwritten, atm, convertible, pipe, shelf, rights_offering
shares_offered	integer	Number of shares offered (null if not parseable from text)
proceeds_usd	float	Gross proceeds in USD (null if not parseable)
accession_no	string	SEC EDGAR accession number
edgar_url	string	Direct link to the SEC filing

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Offering types explained

Type	SEC Form	Description
Underwritten	424B4, 424B5	Investment bank–managed offering, priced at discount
ATM	S-3 + prospectus	Continuous drip selling at market price
Convertible	424B2, 424B3	Debt that converts to equity, often with hedging
PIPE	S-3	Private investment in public equity — often strategic
Shelf	S-3	Registers shares for future sale (no immediate dilution)
Rights offering	424B3	Existing shareholders offered pro-rata new shares

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Cost estimation

Pay-Per-Event: $0.005 per actor start + $0.01 per offering returned.

Use case	Records	Estimated cost
2-week underwritten deals	~20–40	$0.20–$0.40/run
30-day all types	~100–200	$1.00–$2.00/run
Daily ATM monitoring	~5–15/day	$0.05–$0.15/day
Specific 5 tickers	5–20	$0.05–$0.20/run

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FAQ

Can this detect an offering before it prices? Often yes — the S-3 shelf registration and preliminary prospectus (424B3) are filed before the final pricing. The final pricing prospectus (424B4) appears the day of pricing.

Does it cover SPACs? SPAC units and warrants are registered differently (S-1 not S-3). This actor focuses on follow-on offerings by operating companies.

What's the difference between a shelf and an ATM? A shelf (S-3) registers shares for potential future sale without selling immediately. An ATM is an active selling program under a shelf — shares are sold daily into the market at prevailing prices.

Does it cover biotech/pharma secondaries? Yes — biotech is the most active sector for follow-on equity offerings. Filter by offeringTypes: "underwritten" and small minProceedsM values to catch small-cap biotech dilution.

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Related actors

• IPO Calendar Tracker — IPOs (primary offerings) vs. secondaries (follow-ons)
• Short Interest Tracker — Secondaries often coincide with short interest spikes
• Corporate Bond Issuance Tracker — Debt alternative to equity issuances

Feedback

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Keywords: secondary offering tracker, follow-on offering SEC, shelf registration monitor, ATM equity program tracker, PIPE financing tracker, convertible note offering, rights offering SEC, dilution monitor stocks, equity issuance tracker, SEC S-3 filing, SEC 424B filing, underwritten secondary offering, public offering dilution alert, capital raise tracker