BlackLine, Inc. (BL) Insider Trading

Last 12 months

Insiders sold $2.49M and bought nothing on the open market.

4% of the selling was scheduled in advance under 10b5-1 plans. Director Therese Tucker sold $2.24M on Aug 24 outside a plan. The last open-market buy by an executive or director was in Aug 2025.

Net open-market

−$2.49M

0 buys · 7 sales

Under a 10b5-1 plan

of the value sold

Insiders who bought / sold

0 / 5

executives and directors

Last open-market buy

Aug 2025

Aug 8, 2025

Get an email when BL's executives or directors buy, or make a large sale outside a plan.

Trades · last 2 years

Date	Insider	Trade	Shares	Price	Value	Of their stake	Filing
Aug 27	Michelle D Stalick Chief Accounting Officer	SoldNo plan	780	$33.65	$26k	2.2%	Form 4
Aug 24	Therese Tucker Director	SoldNo plan	70,000	$31.96	$2.24M	1.5%	Form 4
Jun 5	Mika Yamamoto Director	SoldNo plan	3,000	$28.48	$85k	15%	Form 4
Jun 1	Michelle D Stalick Chief Accounting Officer	SoldNo plan	780	$30.93	$24k	2.1%	Form 4
May 21	Gregory Hughes Director	Sold10b5-1 plan	1,637	$30.25	$50k	17%	Form 4
May 18	Michelle D Stalick Chief Accounting Officer	SoldNo plan	459	$30.26	$14k	1.2%	Form 4
Oct 27, 2025	Thomas Unterman Director	Sold10b5-1 plan	910	$55.00	$50k	0.9%	Form 4
May 12, 2025 – Sep 22, 2025	Thomas Unterman Director	Sold10b5-1 plan 6 parts	7,255	$55.24 average	$401k	6.7%	Form 4
Aug 22, 2025	Michelle D Stalick Chief Accounting Officer	SoldNo plan	664	$54.03	$36k	2.7%	Form 4
Aug 8, 2025	David J Henshall Director	Bought	10,000	$48.60	$486k	157%	Form 4
May 28, 2025	Michelle D Stalick Chief Accounting Officer	SoldNo plan	795	$55.14	$44k	3.1%	Form 4
May 21, 2025	Mark Woodhams Chief Revenue Officer	Sold10b5-1 plan	1,856	$54.65	$101k	2.9%	Form 4
May 12, 2025	Michelle D Stalick Chief Accounting Officer	SoldNo plan	400	$54.96	$22k	1.4%	Form 4
Feb 21, 2025	Mark Woodhams Chief Revenue Officer	Sold10b5-1 plan	9,088	$49.67	$451k	12%	Form 4
Dec 12, 2024	Mark Woodhams Chief Revenue Officer	Sold10b5-1 plan 2 parts	24,408	$64.32 average	$1.57M	25%	Form 4
Nov 11, 2024	Mika Yamamoto Director	SoldNo plan 2 parts	3,220	$62.08 average	$200k	25%	Form 4
Nov 8, 2024	Karole Morgan-Prager CHIEF LEGAL AND ADMINISTRATIVE	Sold10b5-1 plan 2 parts	50,181	$60.50 average	$3.04M	31%	Form 4

Aug 27No plan
Michelle D Stalick
Chief Accounting Officer · sold 780 at $33.65
$26k
2.2% of stake
Aug 24No plan
Therese Tucker
Director · sold 70,000 at $31.96
$2.24M
1.5% of stake
Jun 5No plan
Mika Yamamoto
Director · sold 3,000 at $28.48
$85k
15% of stake
Jun 1No plan
Michelle D Stalick
Chief Accounting Officer · sold 780 at $30.93
$24k
2.1% of stake
May 2110b5-1 plan
Gregory Hughes
Director · sold 1,637 at $30.25
$50k
17% of stake
May 18No plan
Michelle D Stalick
Chief Accounting Officer · sold 459 at $30.26
$14k
1.2% of stake
Oct 27, 202510b5-1 plan
Thomas Unterman
Director · sold 910 at $55.00
$50k
0.9% of stake
May 12, 2025 – Sep 22, 202510b5-1 plan
Thomas Unterman
Director · sold 7,255 at avg $55.24
$401k
6.7% of stake
Aug 22, 2025No plan
Michelle D Stalick
Chief Accounting Officer · sold 664 at $54.03
$36k
2.7% of stake
Aug 8, 2025
David J Henshall
Director · bought 10,000 at $48.60
$486k
157% of stake
May 28, 2025No plan
Michelle D Stalick
Chief Accounting Officer · sold 795 at $55.14
$44k
3.1% of stake
May 21, 202510b5-1 plan
Mark Woodhams
Chief Revenue Officer · sold 1,856 at $54.65
$101k
2.9% of stake
May 12, 2025No plan
Michelle D Stalick
Chief Accounting Officer · sold 400 at $54.96
$22k
1.4% of stake
Feb 21, 202510b5-1 plan
Mark Woodhams
Chief Revenue Officer · sold 9,088 at $49.67
$451k
12% of stake
Dec 12, 202410b5-1 plan
Mark Woodhams
Chief Revenue Officer · sold 24,408 at avg $64.32
$1.57M
25% of stake
Nov 11, 2024No plan
Mika Yamamoto
Director · sold 3,220 at avg $62.08
$200k
25% of stake
Nov 8, 202410b5-1 plan
Karole Morgan-Prager
CHIEF LEGAL AND ADMINISTRATIVE · sold 50,181 at avg $60.50
$3.04M
31% of stake

How to read this. Insiders sell for many reasons: taxes, diversifying, a house. Open-market buys are rarer and say more. A 10b5-1 plan is a trading schedule set up months in advance, so those sales were not timed on news. Large holders (funds and 10% owners) are listed under Everything but not counted as insiders. If you own or watch BL, we send a push when an executive buys or makes a large sale outside a plan.

Source: SEC Form 4 filings, filed within two business days of each trade and checked for new ones every hour.

Related stocks: Services-Prepackaged Software

QLYSQualys, Inc.

SPSCSPS Commerce Inc.

VRNSVaronis Systems, Inc.

APPNAppian Corporation

Spot a number that looks wrong? Check it in BL's SEC filings or

Download this analysis as a PDF (Pro)

Data sourced from SEC EDGAR filings and third-party price providers. Scores, valuations, and metrics are algorithmic estimates. This is not investment advice. See our Terms and Methodology.

2 of 2 free stocks used today

Keep analysing BL

Create a free account and get 14 days of Premium: every stock and every tool.

Unlimited stocksQuality, fair value and dividends for 10,000+ stocks
Stock screenerFilter on quality, valuation and dividend safety
Portfolio trackerReal return, dividend calendar and portfolio quality
Editable DCFChange the assumptions and watch fair value move
Compare side by sideUp to 10 stocks in one table
Unlimited alertsPrice, P/E, Quality Score and yield

No card. Moves to Free after, unless you upgrade.

Already have an account?

Or come back tomorrow. Stocks on your watchlist are always free to view.