How many insider trades does FilingIQ track for PACB?

FilingIQ tracks 342 Form 4 insider transactions for PACB (PACIFIC BIOSCIENCES OF CALIFORNIA, INC.), covering filings from Mar 16, 2015 onwards. 22 of those were filed in the last 90 days.

Are PACB insiders net buyers or net sellers?

Across the full Form 4 history for PACB, 1 transactions (0%) were open-market purchases and 155 (45%) were open-market sales. Compensatory awards and option exercises are filtered out of these counts.

Where does PACB insider data come from?

Every transaction shown on this page is sourced directly from SEC EDGAR Form 4 filings. FilingIQ parses the raw XML, normalises insider identity across reporting variations, and scores each trade on its multi-factor composite model.

What sector is PACB in?

PACIFIC BIOSCIENCES OF CALIFORNIA, INC. (PACB) is classified in the Healthcare sector, specifically Medical Devices, with a current market capitalisation of $493.62M.

PACB insider trading

NasdaqGS Healthcare

PACIFIC BIOSCIENCES OF CALIFORNIA, INC. — scored insider trade history from SEC Form 4 filings, parsed and contextualised by FilingIQ.

Total Form 4 trades

342

Last 90 days

Buys / sells

0% / 45%

Market cap

$493.62M

About PACIFIC BIOSCIENCES OF CALIFORNIA, INC.

Pacific Biosciences of California, Inc. designs, develops, and manufactures sequencing solution to resolve genetically complex problems. The company provides sequencing systems; consumable products, including single molecule real-time (SMRT) technology; long-read sequencing; and various reagent kits designed for specific workflow, such as preparation kit to convert DNA into SMRTbell double-stranded DNA library formats, including molecular biology reagents, such as ligase, buffers, and exonucleases. It also offers binding kits, such as modified DNA polymerase used to bind SMRTbell libraries to the polymerase in preparation for sequencing; and sequencing kits comprise reagents required for on-instrument, real-time sequencing, including the phospholinked nucleotides. In addition, the company provides Revio, Vega, Sequel, Sequel II, and Sequel IIe instruments which conduct, monitor, and analyze single-molecule biochemical reactions in real time; SBB short-read sequencing; onso instrument conducts, monitors, and analyzes SBB biochemical reactions; and SBB consumable, including flow cells, clustering, and sequencing reagent kits. It serves academic and governmental research institutions; commercial testing and service laboratories; genome centers; public health labs, hospitals and clinical research institutes, and contract research organizations; pharmaceutical companies; and agricultural companies. The company markets its products through a sales force and distribution partners in Australia, certain parts of Asia, Europe, the Middle East, Africa, Central America, and South America. The company was formerly known as Nanofluidics, Inc. and changed its name to Pacific Biosciences of California, Inc. in 2005. Pacific Biosciences of California, Inc. was incorporated in 2000 and is headquartered in Menlo Park, California.

Company website: www.pacb.com

PACB insider activity at a glance

FilingIQ has scored 342 insider transactions for PACB since Mar 16, 2015. The most recent filing in our index is dated Apr 8, 2026.

Across the full history, 1 open-market purchases and 155 open-market sales were filed under transaction codes P and S respectively. Compensatory share awards (code A) and option exercises (code M) are tracked separately and not counted here.

The average FilingIQ composite score on PACB insider trades is 57.0/100, produced by FilingIQ's multi-factor Form 4 model. Model framework documented at methodology.

View live PACB trades on FilingIQ Raw filings on SEC EDGAR

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13F funds holding PACB

Decheng Capital Management III (Cayman), LLC

$12.22M · 4.1% of AUM

CITADEL ADVISORS LLC

$26333 · 100.0% of AUM

Frequently asked

How many insider trades does FilingIQ track for PACB?: FilingIQ tracks 342 Form 4 insider transactions for PACB (PACIFIC BIOSCIENCES OF CALIFORNIA, INC.), covering filings from Mar 16, 2015 onwards. 22 of those were filed in the last 90 days.
Are PACB insiders net buyers or net sellers?: Across the full Form 4 history for PACB, 1 transactions (0%) were open-market purchases and 155 (45%) were open-market sales. Compensatory awards and option exercises are filtered out of these counts.
Where does PACB insider data come from?: Every transaction shown on this page is sourced directly from SEC EDGAR Form 4 filings. FilingIQ parses the raw XML, normalises insider identity across reporting variations, and scores each trade on its multi-factor composite model.
What sector is PACB in?: PACIFIC BIOSCIENCES OF CALIFORNIA, INC. (PACB) is classified in the Healthcare sector, specifically Medical Devices, with a current market capitalisation of $493.62M.

Methodology & sources

Every PACB insider transaction shown on FilingIQ is parsed directly from a public SEC Form 4 XML filing. Insider identity is normalised across reporting variants (CIK changes, name spellings, related-party indirect holdings). The FilingIQ composite score is documented in full on the team page and algo disclosure. Not investment advice; see disclaimer.