OmniAb, Inc. SEC filings OABI

OmniAb, Inc. has 387 filings in SEC EDGAR's recent list, going back to Mar 19, 2021. Its latest annual report, Form ARS, was filed on Apr 29, 2026 for the period ended Dec 31, 2025. The latest quarterly report (Form 10-Q) was filed on Oct 30, 2026, covering the quarter ended Sep 30, 2026. The most recent current report (Form 8-K) was filed on Oct 30, 2026 (results of operations). The company's fiscal year ends on December 31.

OmniAb, Inc. SEC filings
Form Description Filed Period
10-Q Quarterly report Oct 30, 2026 Sep 30, 2026
8-K Current report
Results of operations
Oct 30, 2026 Oct 30, 2026
10-Q Quarterly report Aug 6, 2026 Jun 30, 2026
8-K Current report
Results of operations
Aug 6, 2026 Aug 6, 2026
8-K Current report
Officer or director change
Jul 13, 2026 Jul 13, 2026
8-K Current report
Shareholder vote results
Jun 18, 2026 Jun 17, 2026
10-Q Quarterly report May 7, 2026 Mar 31, 2026
8-K Current report
Results of operations
May 7, 2026 May 7, 2026
ARS Annual report to shareholders Apr 29, 2026 Dec 31, 2025
DEFA14A Additional proxy material Apr 29, 2026 —
DEF 14A Proxy statement Apr 29, 2026 Jun 17, 2026
10-K Annual report Mar 4, 2026 Dec 31, 2025
8-K Current report
Results of operations
Mar 4, 2026 Mar 4, 2026
8-K Current report
Bylaw or fiscal year change
Jan 30, 2026 Jan 30, 2026
10-Q Quarterly report Nov 4, 2025 Sep 30, 2025
8-K Current report
Results of operations
Nov 4, 2025 Nov 4, 2025
EFFECT Filing Sep 19, 2025 —
CORRESP Letter to the SEC Sep 17, 2025 —
UPLOAD Letter from the SEC Sep 16, 2025 —
S-3 Shelf registration Sep 12, 2025 —
D Filing Sep 10, 2025 —
8-K Current report
Material agreement, Unregistered share sale, Regulation FD disclosure
Aug 25, 2025 Aug 24, 2025
10-Q Quarterly report Aug 6, 2025 Jun 30, 2025
8-K Current report
Results of operations
Aug 6, 2025 Aug 6, 2025
8-K Current report
Shareholder vote results
Jun 18, 2025 Jun 17, 2025
10-Q Quarterly report May 8, 2025 Mar 31, 2025
8-K Current report
Results of operations
May 8, 2025 May 8, 2025
ARS Annual report to shareholders Apr 29, 2025 Dec 31, 2024
DEFA14A Additional proxy material Apr 29, 2025 —
DEF 14A Proxy statement Apr 29, 2025 Jun 17, 2025
8-K Current report
Officer or director change
Apr 21, 2025 Apr 18, 2025
S-8 Employee stock plan registration Mar 18, 2025 —
10-K Annual report Mar 18, 2025 Dec 31, 2024
8-K Current report
Results of operations
Mar 18, 2025 Mar 18, 2025
10-Q Quarterly report Nov 12, 2024 Sep 30, 2024
8-K Current report
Results of operations
Nov 12, 2024 Nov 12, 2024
UPLOAD Letter from the SEC Sep 27, 2024 —
CORRESP Letter to the SEC Sep 24, 2024 —
UPLOAD Letter from the SEC Sep 11, 2024 —
10-Q Quarterly report Aug 8, 2024 Jun 30, 2024
8-K Current report
Results of operations
Aug 8, 2024 Aug 8, 2024
8-K Current report
Officer or director change
Jul 1, 2024 Jun 27, 2024
8-K Current report
Shareholder vote results
Jun 21, 2024 Jun 18, 2024
10-Q Quarterly report May 9, 2024 Mar 31, 2024
8-K Current report
Results of operations
May 9, 2024 May 9, 2024
ARS Annual report to shareholders Apr 26, 2024 Dec 31, 2023
DEFA14A Additional proxy material Apr 26, 2024 —
DEF 14A Proxy statement Apr 26, 2024 Jun 18, 2024
10-K Annual report Mar 25, 2024 Dec 31, 2023
8-K Current report
Results of operations
Mar 20, 2024 Mar 20, 2024
EFFECT Filing Dec 18, 2023 —
EFFECT Filing Dec 18, 2023 —
CORRESP Letter to the SEC Dec 14, 2023 —
UPLOAD Letter from the SEC Dec 13, 2023 —
POS AM Filing Dec 8, 2023 —
S-3 Shelf registration Dec 8, 2023 —
424B3 Prospectus Nov 13, 2023 —
10-Q Quarterly report Nov 9, 2023 Sep 30, 2023
8-K Current report
Results of operations
Nov 9, 2023 Nov 9, 2023
424B3 Prospectus Nov 2, 2023 —
8-K Current report
Officer or director change
Nov 1, 2023 Nov 1, 2023
424B3 Prospectus Aug 10, 2023 —
10-Q Quarterly report Aug 10, 2023 Jun 30, 2023
8-K Current report
Results of operations
Aug 10, 2023 Aug 10, 2023
8-K Current report
Shareholder vote results
Jun 26, 2023 Jun 23, 2023
10-Q Quarterly report May 11, 2023 Mar 31, 2023
8-K Current report
Results of operations
May 11, 2023 May 11, 2023
EFFECT Filing May 10, 2023 —
POS AM Filing May 5, 2023 —
ARS Annual report to shareholders May 1, 2023 Dec 31, 2022
DEFA14A Additional proxy material May 1, 2023 —
DEF 14A Proxy statement May 1, 2023 Jun 23, 2023
8-K Current report
Other events
Mar 31, 2023 Mar 31, 2023
POS EX Filing Mar 31, 2023 —
424B3 Prospectus Mar 31, 2023 —
10-K Annual report Mar 30, 2023 Dec 31, 2022
8-K Current report
Results of operations
Mar 30, 2023 Mar 30, 2023
EFFECT Filing Feb 10, 2023 —
424B3 Prospectus Feb 10, 2023 —
CORRESP Letter to the SEC Feb 8, 2023 —
S-1/A Amended registration statement Feb 7, 2023 —
CORRESP Letter to the SEC Feb 6, 2023 —
UPLOAD Letter from the SEC Jan 19, 2023 —
8-K Current report
Results of operations, Regulation FD disclosure
Jan 9, 2023 Jan 9, 2023
CORRESP Letter to the SEC Jan 5, 2023 —
S-1/A Amended registration statement Jan 5, 2023 —
S-8 Employee stock plan registration Jan 3, 2023 —
UPLOAD Letter from the SEC Dec 19, 2022 —
S-1 Registration statement Nov 30, 2022 —
8-K Current report
Other events
Nov 18, 2022 Nov 18, 2022
8-K Current report
Results of operations
Nov 15, 2022 Nov 15, 2022
8-K/A Amended current report
Acquisition or sale of assets
Nov 14, 2022 Nov 1, 2022
10-Q Quarterly report Nov 10, 2022 Sep 30, 2022
8-K/A Amended current report
Auditor change, Bylaw or fiscal year change, Other events
Nov 7, 2022 Nov 1, 2022
8-K Current report
Material agreement, Acquisition or sale of assets, Unregistered share sale, Change to shareholder rights, Change in control, Officer or director change
Nov 7, 2022 Nov 1, 2022
25-NSE Delisting notice Nov 1, 2022 —
8-K Current report
Officer or director change, Shareholder vote results, Other events
Oct 24, 2022 Oct 24, 2022
425 Filing Oct 3, 2022 —
425 Filing Oct 3, 2022 —
EFFECT Filing Sep 30, 2022 —
424B3 Prospectus Sep 30, 2022 —
CORRESP Letter to the SEC Sep 28, 2022 —
S-4/A Filing Sep 27, 2022 —
CORRESP Letter to the SEC Sep 27, 2022 —
UPLOAD Letter from the SEC Sep 21, 2022 —
SEC STAFF LETTER Filing Sep 16, 2022 —
S-4/A Filing Sep 13, 2022 —
CORRESP Letter to the SEC Sep 12, 2022 —
UPLOAD Letter from the SEC Sep 7, 2022 —
8-K Current report
Listing notice, Officer or director change
Aug 25, 2022 Aug 22, 2022
425 Filing Aug 24, 2022 —
CORRESP Letter to the SEC Aug 22, 2022 —
S-4/A Form s-4/a Aug 22, 2022 —
UPLOAD Letter from the SEC Aug 15, 2022 —
10-Q Quarterly report Aug 12, 2022 Jun 30, 2022
S-4/A Filing Jul 26, 2022 —
CORRESP Letter to the SEC Jul 26, 2022 —
UPLOAD Letter from the SEC Jul 15, 2022 —
425 Filing Jun 21, 2022 —
8-K Current report
Regulation FD disclosure
Jun 21, 2022 Jun 21, 2022
S-4/A Form s-4/a Jun 13, 2022 —
CORRESP Letter to the SEC Jun 10, 2022 —
SEC STAFF LETTER Filing May 31, 2022 —
UPLOAD Letter from the SEC May 27, 2022 —
10-Q Quarterly report May 20, 2022 Mar 31, 2022
NT 10-Q Filing May 16, 2022 Mar 31, 2022
425 Filing May 5, 2022 —
DEL AM Filing Apr 29, 2022 —
S-4 Registration for a merger or exchange Apr 28, 2022 —
10-K Annual report Mar 28, 2022 Dec 31, 2021
425 Filing Mar 24, 2022 —
8-K Current report
Material agreement, Unregistered share sale
Mar 24, 2022 Mar 23, 2022
425 Filing Mar 23, 2022 —
8-K Current report
Other events
Mar 23, 2022 Mar 23, 2022
8-K Current report
New debt
Mar 14, 2022 Mar 14, 2022
8-K/A Amended current report
Other events
Jan 28, 2022 Aug 12, 2021
10-Q/A Amended quarterly report Jan 12, 2022 Sep 30, 2021
8-K Current report
Restatement
Dec 1, 2021 Nov 30, 2021
10-Q Quarterly report Nov 10, 2021 Sep 30, 2021
8-K Current report
Other events
Sep 27, 2021 Sep 27, 2021
10-Q Quarterly report Sep 23, 2021 Jun 30, 2021
8-K Current report
Other events
Aug 18, 2021 Aug 12, 2021
8-K Current report
Other events
Aug 12, 2021 Aug 9, 2021
424B4 Prospectus Aug 11, 2021 —
CERT Filing Aug 10, 2021 —
EFFECT Filing Aug 9, 2021 —
8-A12B Filing Aug 9, 2021 —
CORRESP Letter to the SEC Aug 5, 2021 —
CORRESP Letter to the SEC Aug 5, 2021 —
CORRESP Letter to the SEC Jul 28, 2021 —
S-1/A Amended registration statement Jul 28, 2021 —
UPLOAD Letter from the SEC Jul 6, 2021 —
S-1 Registration statement Jun 17, 2021 —
DRSLTR Filing May 12, 2021 —
DRS/A Filing May 12, 2021 —
UPLOAD Letter from the SEC Apr 14, 2021 —
DRS Filing Mar 19, 2021 —

Showing 157 filings. Main filings leave out insider and ownership forms such as Form 4; choose a type above to see them. Each form opens on SEC.gov. Older filings are on SEC EDGAR.

Company profile

Industry
Services-Commercial Physical & Biological Research (SIC 8731)
Listed as
OABI (Nasdaq), OABIW (Nasdaq)
Fiscal year ends
December 31
Incorporated in
DE
Headquarters
Emeryville, CA
SEC filer status
Non-accelerated filer, Smaller reporting company, Emerging growth company
SEC CIK
1846253
Former names
Avista Public Acquisition Corp. II (until Nov 1, 2022)

Other Services-Commercial Physical & Biological Research companies

Source: SEC EDGAR filings. This is company-reported data, not investment advice.