WAVEMAN · COMPANY

BL · Blackline, Inc.

LIVE

TEAM-0.32% 13F +439META+3.01% 13F +2,694RCG-2.04% CLUSTERUTHR-4.03% 13F +425CRWV+4.49% 13F +693CRM+2.92% 13F +1,018CVNA-0.98% 13F +794TPL-0.71% 13F +444NET+4.32% 13F +710MSTR+17.56% 13F +526DELL+4.91% 13F +1,203CRWD+5.68% 13F +1,382ANET+1.22% 13F +1,323COIN+10.14% 13F +475TEAM-0.32% 13F +439META+3.01% 13F +2,694RCG-2.04% CLUSTERUTHR-4.03% 13F +425CRWV+4.49% 13F +693CRM+2.92% 13F +1,018CVNA-0.98% 13F +794TPL-0.71% 13F +444NET+4.32% 13F +710MSTR+17.56% 13F +526DELL+4.91% 13F +1,203CRWD+5.68% 13F +1,382ANET+1.22% 13F +1,323COIN+10.14% 13F +475

← ALL COMPANIES

BL

Name: BLACKLINE, INC. (BL) insider trading and ownership data
Creator: WaveMan
License: https://wave-man.com/terms

BLACKLINE, INC.

SOFTWARE & IT · SERVICES-PREPACKAGED SOFTWARE · CIK 0001666134

ACTIVIST 13DCONGRESS · 1FORM 144 · 1☆ WATCH

INSIDER NET · 180D

-$2.4M

open-market buys minus sells, Form 4 codes P and S

INSIDER BUYERS · 180D

CONGRESS BUYERS · 1Y

FUNDS ADDED · QTR

122

13F, latest reported quarter

REVENUE GROWTH

+7.2%

XBRL, annual

NET MARGIN

3.5%

CONVERSIONS · 180D

codes C/M, not in net · $1.4M priced

SEVEN FACTS, RANKED AGAINST THE SECTOR · RANK IS NOT A FORECAST

INSIDERS

net -$2.4M over 180 days

-$2.3M over 90 days

below 57% of Software & IT

CONGRESS

1 member bought in the last year

the lowest in Software & IT

FUNDS

122 funds added or opened last quarter

more than 57% of Software & IT

REVENUE

+7.2% year over year

below 53% of Software & IT

MARGIN

3.5% net margin

more than 62% of Software & IT

BUYBACKS

$84.5M repurchased, FY to 2026-06-30

more than 52% of Software & IT

SHORT

9.6% of shares outstanding short · 6.2 days to cover · settled 2026-07-31

more than 88% of Software & IT

THE SITUATION · EVERY LINE IS ONE RULE OVER ONE DATASET

Insiders are net sellers: -$2.4M across 4 people in 180 days.

122 funds added or opened positions in the latest 13F quarter, of 255 holders.

Fivespan Partners, LP disclosed a 5%+ stake (5.1%) in the last six months.

1 member of Congress reported buying it this year.

The year, with the filings on it

Total return indexed to 100 over the last 12 months · every marker is a federal filing, placed at its date — hover any marker for the detail

TOTAL 12M RETURN -39.4%

-39.4%12M

INSIDER SELL13D/G STAKEFORM 144

INDEXED RETURN, DIVIDEND-ADJUSTED — NOT A PRICE CHART · LARGE TRADES DRAWN FIRST WHEN A NAME FILES HEAVILY

Live price

Daily candles from TradingView, on their licence — no filings are marked on this one

WHY THIS NAME IS ON THE DESK

An activist crossed the 5% line with declared intent.

The record shows a net $2.4M sold by insiders over 180 days, 122 funds added last quarter, 1 Congress member(s) bought in 12 months, $2.2M in planned Form 144 sales. Every figure is a federal filing, dated the day it became public.

Backtest this pattern Open the screener

Same sector, ranked by filing activity

Sector from the SEC's own SIC classification

TEAM META CRWV CRM NET CRWD DDOG DASH APP IOT PCTY MDB

Insider transactions

Form 4 purchases and sales (codes P and S) — grants, option exercises and preferred conversions excluded

Over the last 180 days, BLACKLINE, INC. insiders sold a net $2.4M of stock across 211 Form 4 purchases and sales, with 0 insider(s) buying. Source: SEC Form 4 filings, as of 2026-09-05.

INSIDER

FILED

VALUE

Stalick Michelle D

Chief Accounting Officer

SELL

2026-08-27

780.0

$26.2K

Tucker Therese

Director

SELL

2026-08-24

70,000.0

$2.2M

Yamamoto Mika

Director

SELL

2026-06-05

3,000.0

$85.4K

Stalick Michelle D

Chief Accounting Officer

SELL

2026-06-01

780.0

$24.1K

HUGHES GREGORY

Director

SELL

2026-05-21

1,637.0

$49.5K

211 TRANSACTIONS ON RECORD

Showing the most recent few. Create a free account to see 206 more transactions on record, the cross-source screener and CSV export. We store only your email address, and there is no password to create.

Institutional holders

13F · holdings as of the latest quarter funds have reported

BlackRock, Inc.

8,240,055.0 sh

$231.3M

CLEARLAKE CAPITAL GROUP, L.P.

5,712,300.0 sh

$160.3M

VANGUARD PORTFOLIO MANAGEMENT LLC

3,801,905.0 sh

$106.7M

Fivespan Partners, LP

3,363,943.0 sh

$94.4M

FIRST MANHATTAN CO. LLC.

2,403,510.0 sh

$67.5M

5%+ owners

13D = intent to influence · 13G = passive

Fivespan Partners, LP

ACTIVIST 13D · 2026-03-12

5.1%

Dylan Haggart

ACTIVIST 13D · 2026-03-12

5.1%

Planned sales · Form 144

Filed before the sale — intent, not a trade

Tucker Therese

FILED 2026-08-24

$2.2M

Fund concentration

N-PORT · funds ranked by how much of THEMSELVES they put in this stock — the conviction number 13F cannot show

ABSOLUTE FLEXIBLE FUND

$942.2K POSITION · AS OF 2026-03-31

2.9%

FM Focus Equity ETF

$2.7M POSITION · AS OF 2026-02-28

2.5%

FM Compounders Equity ETF

$1.5M POSITION · AS OF 2026-02-28

2.4%

Miller Intermediate Bond Fund

$3.7M POSITION · AS OF 2026-04-30

2.2%

WATER ISLAND CREDIT OPPORTUNITIES FUND

$3.1M POSITION · AS OF 2026-02-28

2.0%

CONESTOGA SMALL CAP FUND

$41.5M POSITION · AS OF 2026-03-31

1.8%

SEC N-PORT, MONTHLY WITH A ~60-DAY PUBLIC LAG · FUNDS ≥ $10M · % = SHARE OF THE FUND'S OWN BOOK

Fundamentals

Annual figures from XBRL filings · pick a past date to see them exactly as the market knew them then — restatements and all

	2025-12	2024-12	2023-12	2022-12
REVENUE	$700.4M	$653.3M	$590.0M	$522.9M
GROSS PROFIT	$527.0M	$491.4M	$443.2M	$393.6M
OPERATING INCOME	$25.6M	$18.5M	$14.3M	$-56.2M
NET INCOME	$24.5M	$161.2M	$52.8M	$-29.4M
EPS (DILUTED)	0.39	1.45	0.81	-0.49
OPERATING CASH FLOW	$169.6M	$190.8M	$126.6M	$56.0M
CASH	$390.0M	$885.9M	$271.1M	$201.0M
BUYBACKS	$235.5M	$0	—	—

SEC XBRL · FISCAL-YEAR PERIODS · AS KNOWN ON 2026-09-05 · NOBODY ELSE SHOWS FUNDAMENTALS AS OF A PAST DATE