Are insiders buying BL stock?

Yes — 3 distinct insiders have bought BL (BLACKLINE, INC.) on the open market, including 1 cluster buy where two or more insiders bought within a rolling window. The most recent qualifying activity was Aug 11, 2025.

How much BL stock have insiders bought?

Insiders have bought a combined $1.1M of BL across 4 open-market purchases, based on SEC Form 4 filings.

What is an insider cluster buy in BL?

A cluster buy is two or more distinct BLACKLINE, INC. insiders — officers, directors, or 10% owners — each buying BL on the open market within a rolling window. BL has 1 detected cluster buy to date.

Where does this BL insider trading data come from?

Every figure is parsed directly from SEC Form 4 filings on EDGAR, and each purchase on this page links back to its original filing document.

BL insider buying

1 cluster buy

BLACKLINE, INC. · Technology

When two or more insiders at BLACKLINE, INC. buy BL on the open market around the same time, that clustered conviction is one of the highest-signal patterns in SEC filing data. Below is every cluster we've detected in BL plus the full record of qualifying open-market buys, each parsed directly from Form 4 filings and linked back to the source on SEC EDGAR.

Clusters

Distinct insiders

Total bought

$1.1M

Market cap

$1.7B

Detected clusters

May 24 – Jun 11, 2024
Detected Jun 11, 2024
High conviction2 insiders
Total bought
$593.3K
Market cap
$1.7B

All notable open-market buys in BL

Every open-market Form 4 purchase, newest first. Click an insider to see their full buying record across companies.

Date	Insider	Shares	Price	Value	Filing
Aug 8, 2025	HENSHALL DAVID J Director	10,000	$48.60	$486.0K	SEC ↗
Jun 11, 2024	Ryan Owencluster Director, CO-CEO	7,552	$46.11	$348.2K	SEC ↗
May 31, 2024	Duan Jimmy Ccluster Chief Customer Officer	2,000	$47.73	$95.5K	SEC ↗
May 24, 2024	Ryan Owencluster Director, CO-CEO	3,000	$49.88	$149.6K	SEC ↗

More Technology stocks with insider cluster buys

All insider buying in Technology →

BL insider buying — FAQ

Are insiders buying BL stock?: Yes — 3 distinct insiders have bought BL (BLACKLINE, INC.) on the open market, including 1 cluster buy where two or more insiders bought within a rolling window. The most recent qualifying activity was Aug 11, 2025.
How much BL stock have insiders bought?: Insiders have bought a combined $1.1M of BL across 4 open-market purchases, based on SEC Form 4 filings.
What is an insider cluster buy in BL?: A cluster buy is two or more distinct BLACKLINE, INC. insiders — officers, directors, or 10% owners — each buying BL on the open market within a rolling window. BL has 1 detected cluster buy to date.
Where does this BL insider trading data come from?: Every figure is parsed directly from SEC Form 4 filings on EDGAR, and each purchase on this page links back to its original filing document.

How we track insider buying in BL

We continuously poll SEC EDGAR for new Form 4 filings and parse every open-market purchase (transaction code P). A cluster is recorded when two or more distinct insiders — officers, directors, or 10% owners — each buy BL within a rolling window. We track clusters at every company size, from micro-caps to mega-caps. Every figure on this page traces back to an official filing; open any row to jump straight to the source document. What counts as a cluster buy?

This page is informational and reflects public filing data. It is not investment advice or a recommendation regarding BL.