When did Pacific Biosciences Of California Inc file this DEFA14A?

Pacific Biosciences Of California Inc (PACB) filed this Additional Proxy Materials (DEFA14A) with the SEC on May 22, 2026. The accession number assigned by EDGAR is 0001299130-26-000084.

What does a DEFA14A disclose?

DEFA14A is additional definitive proxy soliciting material filed in connection with a shareholder meeting — supplemental letters, slides, or amendments issued after the main proxy statement.

What is the key takeaway from this filing?

Pacific Biosciences reports no material developments; consult the filing for details. This is Boardroom Alpha's one-line summary of the additional proxy materials; see the full filing text above for the formal disclosure.

Where can I find Pacific Biosciences Of California Inc's prior proxy statements on EDGAR?

The SEC EDGAR browser lists every DEFA14A Pacific Biosciences Of California Inc has filed under CIK 1299130, sortable by date. Use the "View on SEC EDGAR" link in the page header, or browse directly via https://www.sec.gov/cgi-bin/browse-edgar.

Boardroom Alpha

PACB · Additional Proxy Materials (DEFA14A) · Filed May 22, 2026

Pacific Biosciences Of California Inc — Additional Proxy Materials (DEFA14A)

Form

DEFA14A

Filed

May 22, 2026

Ticker

PACB

Accession

0001299130-26-000084

Pacific Biosciences Of California Inc on Boardroom Alpha View on SEC EDGAR

Boardroom Alpha · Filing insights

Pacific Biosciences reports no material developments; consult the filing for details.

About Pacific Biosciences Of California Inc

Market cap

$491M

1Y TSR

+17.6%

3Y TSR

−52.9%

Board grade

Sector

Healthcare

CEO

Christian O Henry

Last annual meeting: Jun 3, 2026 · View full Pacific Biosciences Of California Inc profile →

Document

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

SCHEDULE 14A

PROXY STATEMENT PURSUANT TO SECTION 14(a) OF THE

SECURITIES EXCHANGE ACT OF 1934

Filed by the Registrant ☒

Filed by a Party other than the Registrant ☐

Check the appropriate box:

☐Preliminary Proxy Statement

☐Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2))

☐Definitive Proxy Statement

☒Definitive Additional Materials

☐Soliciting Material Pursuant to §240.14a-12

Pacific Biosciences of California, Inc.

(Name of Registrant as Specified In Its Charter)

Payment of Filing Fee (Check the appropriate box):

☒No fee required

☐Fee paid previously with preliminary materials

☐Fee computed on table in exhibit required by Item 25(b) per Exchange Act Rules 14a-6(i)(1) and 0-11

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More filings

Other filings from Pacific Biosciences Of California Inc (PACB)

10-QQuarterly Report
May 8, 2026
8-KCurrent Report
May 7, 2026
DEFA14AAdditional Proxy Materials
Apr 23, 2026
DEF 14AProxy Statement
Apr 23, 2026
8-KCurrent Report
Mar 6, 2026
8-KCurrent Report
Mar 5, 2026
10-KAnnual Report
Feb 25, 2026
8-KCurrent Report
Feb 12, 2026
8-KCurrent Report
Feb 3, 2026
8-KCurrent Report
Feb 2, 2026
8-KCurrent Report
Jan 12, 2026
10-QQuarterly Report
Nov 6, 2025

Continue researching

Reference

Frequently asked questions

When did Pacific Biosciences Of California Inc file this DEFA14A?: Pacific Biosciences Of California Inc (PACB) filed this Additional Proxy Materials (DEFA14A) with the SEC on May 22, 2026. The accession number assigned by EDGAR is 0001299130-26-000084.
What does a DEFA14A disclose?: DEFA14A is additional definitive proxy soliciting material filed in connection with a shareholder meeting — supplemental letters, slides, or amendments issued after the main proxy statement.
What is the key takeaway from this filing?: Pacific Biosciences reports no material developments; consult the filing for details. This is Boardroom Alpha's one-line summary of the additional proxy materials; see the full filing text above for the formal disclosure.
Where can I find Pacific Biosciences Of California Inc's prior proxy statements on EDGAR?: The SEC EDGAR browser lists every DEFA14A Pacific Biosciences Of California Inc has filed under CIK 1299130, sortable by date. Use the "View on SEC EDGAR" link in the page header, or browse directly via https://www.sec.gov/cgi-bin/browse-edgar.

Disclaimer

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