Flock blog
Reading regulatory filings, sourced and dated.
Plain-English guides to the public filings Flock tracks: 13F reports, NSE and BSE shareholding patterns, bulk and block deals, and FII/DII flows. Every claim links to its source. Research, not advice.
How to track insider selling (SEC filings, 2026)
How to track insider selling using SEC Form 4 and Form 144: where the records live, which fields matter, and why sales carry less signal than buys. Not advice.
UPSI vs MNPI: India and US insider information
UPSI vs MNPI: UPSI is India's SEBI term for price-sensitive inside information; MNPI is the US standard. Here is how the two frameworks differ. Not advice.
RHP vs DRHP: the two IPO offer documents
RHP vs DRHP: the DRHP is the draft filed with SEBI for review; the RHP is the near-final document filed with the Registrar of Companies. Not advice.
What is a Form S-4 filing? Merger registration guide (2026)
A Form S-4 is the SEC registration statement a company files to issue new stock in a merger or exchange offer. What it contains, why it doubles as a proxy. Not advice.
What is a Form 8-A filing? Exchange registration (2026)
A Form 8-A is the short SEC form a company files to register a class of shares for trading on an exchange, usually at IPO. What it does and when it is used. Not advice.
What is a Form 25 filing? SEC delisting explained (2026)
A Form 25 is the one-page SEC form that removes a stock from a national exchange and deregisters it under Section 12(b). Timelines and who files it. Not advice.
What is a Form NT filing? NT 10-K and NT 10-Q (2026)
A Form NT is the SEC notification a company files when it will miss a 10-K or 10-Q deadline. The Rule 12b-25 grace period and why NT filings matter. Not advice.
What is material event disclosure? SEBI LODR Reg 30 (2026)
Material event disclosure is how listed Indian companies report price-sensitive events to the exchanges under SEBI LODR Regulation 30. Timelines and thresholds. Not advice.
S-1 vs S-4: two SEC registration forms compared
S-1 vs S-4: the S-1 registers shares sold for cash, usually an IPO; the S-4 registers shares issued in a merger or exchange offer. How the two differ. Not advice.
Form 25 vs Form 15: delisting vs deregistration
Form 25 vs Form 15: the Form 25 removes a stock from an exchange under Section 12(b); the Form 15 ends SEC reporting under 12(g) or 15(d). How they differ. Not advice.
What is a Form S-3 filing? Shelf registration guide (2026)
A Form S-3 is the SEC short-form registration seasoned US companies use to shelf-register securities. Eligibility, how shelf takedowns work, and WKSI status. Not advice.
What is a Schedule 13E-3 filing? Going-private guide (2026)
A Schedule 13E-3 is the SEC filing a company and its affiliates make in a going-private transaction, disclosing whether the deal is fair to unaffiliated holders. Not advice.
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