Offerings // PATTERSON UTI ENERGY INC

PTEN offering history

Every offering-related filing in PATTERSON UTI ENERGY INC’s recent SEC record — registrations (announced capacity) kept separate from pricing documents (executed sales). Reviewed 1,000 filings back to Apr 30, 2010.

Last executed offering

May 7, 2026

424B5 — priced deal (shares or notes)

Last registration (announced)

Sep 5, 2023

S-3ASR — capacity, not a sale

Executed, last 12 months

424B pricings + 8-K 3.02 sales

Registered, last 12 months

S-1/S-3/F-series registrations

Date	Filing		What it means
May 7, 2026	424B5 →	EXECUTED	Shelf takedown priced — shares or notes (small-caps: usually shares; open the filing to confirm)
May 5, 2026	424B2 →	EXECUTED	Prospectus supplement priced — shares or notes (large filers: often a bond deal)
May 5, 2026	FWP →	MARKETING	Free-writing prospectus — offering being marketed
Sep 13, 2023	424B5 →	EXECUTED	Shelf takedown priced — shares or notes (small-caps: usually shares; open the filing to confirm)
Sep 11, 2023	424B2 →	EXECUTED	Prospectus supplement priced — shares or notes (large filers: often a bond deal)
Sep 11, 2023	FWP →	MARKETING	Free-writing prospectus — offering being marketed
Sep 5, 2023	S-3ASR →	REGISTERED	Automatic shelf registration — effective immediately (large filers)
Sep 5, 2023	424B7 →	UPDATE	Resale prospectus — existing holders registering to sell
Aug 14, 2023	8-K →	EXECUTED	Unregistered share sale disclosed (8-K item 3.02)
Jul 31, 2023	424B3 →	UPDATE	Prospectus update — often a resale registration, not necessarily new capital
Jul 31, 2023	EFFECT →	EFFECTIVE	SEC declared a registration effective — selling can begin
Jul 5, 2023	8-K →	EXECUTED	Unregistered share sale disclosed (8-K item 3.02)
Aug 27, 2021	424B3 →	UPDATE	Prospectus update — often a resale registration, not necessarily new capital
Aug 27, 2021	EFFECT →	EFFECTIVE	SEC declared a registration effective — selling can begin
Nov 12, 2019	424B5 →	EXECUTED	Shelf takedown priced — shares or notes (small-caps: usually shares; open the filing to confirm)
Nov 7, 2019	S-3ASR →	REGISTERED	Automatic shelf registration — effective immediately (large filers)
Nov 7, 2019	424B2 →	EXECUTED	Prospectus supplement priced — shares or notes (large filers: often a bond deal)
Nov 7, 2019	FWP →	MARKETING	Free-writing prospectus — offering being marketed
Aug 9, 2018	424B3 →	UPDATE	Prospectus update — often a resale registration, not necessarily new capital
Aug 9, 2018	EFFECT →	EFFECTIVE	SEC declared a registration effective — selling can begin
Oct 30, 2017	424B7 →	UPDATE	Resale prospectus — existing holders registering to sell
Oct 12, 2017	8-K →	EXECUTED	Unregistered share sale disclosed (8-K item 3.02)
Oct 12, 2017	S-3ASR →	REGISTERED	Automatic shelf registration — effective immediately (large filers)
Sep 8, 2017	8-K →	EXECUTED	Unregistered share sale disclosed (8-K item 3.02)
Mar 22, 2017	424B3 →	UPDATE	Prospectus update — often a resale registration, not necessarily new capital
Mar 22, 2017	EFFECT →	EFFECTIVE	SEC declared a registration effective — selling can begin
Jan 26, 2017	424B5 →	EXECUTED	Shelf takedown priced — shares or notes (small-caps: usually shares; open the filing to confirm)
Jan 24, 2017	S-3ASR →	REGISTERED	Automatic shelf registration — effective immediately (large filers)
Jan 24, 2017	424B5 →	EXECUTED	Shelf takedown priced — shares or notes (small-caps: usually shares; open the filing to confirm)
Jan 24, 2017	FWP →	MARKETING	Free-writing prospectus — offering being marketed

PTEN offering-related filings from SEC EDGAR, newest first (capped at 40). Each links to the original document.

Two honest limits. (1) A 424B takedown can price shares or notes— EDGAR’s metadata doesn’t say which, so open the document: large investment-grade filers use these mostly for bond deals (no dilution), small-caps mostly for shares. (2) At-the-market (ATM) programs sell shares gradually and individual sales are not separately filed — the visible footprint is the enabling shelf and its 424B5; actual ATM share counts surface later in the 10-Q/10-K share count. Educational information from public filings, not investment advice.

Is a shelf active now? →Do they need money? →Red flags →Full PTEN workspace →

PTEN offering FAQ

When did PTEN last execute an offering?

Per SEC filings, PATTERSON UTI ENERGY INC's most recent priced offering document is a 424B5 filed 2026-05-07. Note a 424B takedown can price shares or notes (debt) — the linked document says which.

When did PTEN last announce or register an offering?

The most recent registration is a S-3ASR filed 2023-09-05. A registration is capacity to sell shares — not a sale.

Does an offering always mean dilution?

Registered direct offerings and shelf takedowns issue new shares and dilute existing holders. Resale registrations (424B3/B7) let existing holders sell and do not create new shares. Secondary sales by insiders also do not dilute. Each row here is labeled with what it is.