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144 ·Filed May 21, 2026

BL

BLACKLINE, INC.
NEUTRAL
Impact 2/10
Horizondays Processed5mo ago SEC0001959173-26-003850
Form 144 — notice of proposed sale of securities
Actionable Insight • Neutral

This is a routine insider sale tied to equity vesting, not a signal of deteriorating fundamentals. No actionable trading signal; monitor for any larger or more concentrated insider selling patterns in future filings.

DirectionNeutral
Confidencehigh
Horizondays
Final — all horizons settled through T+60d
BL ▲ +1.24% at T+60d
NEUTRAL call +1.24% · α vs SPY -3.06% · entry $28.94 → $29.30
Entry = T+0 close
May 21, 2026
via day close
T+1d
-0.14%
call -0.14% · α -0.58%
$28.90
settled 5mo ago
T+5d
-6.32%
call -6.32% · α -7.92%
$27.11
settled 5mo ago
T+20d
-10.50%
call -10.50% · α -10.84%
$25.90
settled 4mo ago
T+60d
+1.24%
call +1.24% · α -3.06%
$29.30
settled 2mo ago

Price Chart

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Executive Summary

Director Gregory Hughes filed a Form 144 to sell 1,637 shares of Blackline common stock, valued at approximately $49,519, acquired via restricted stock vesting on May 6, 2026. The sale is a routine, small-dollar transaction tied to equity compensation, representing a negligible fraction of the company's $1.8B market cap.

Key Facts

  • Director Gregory Hughes filed Form 144 to sell 1,637 shares of Blackline common stock.
  • Estimated sale value: $49,519.25 based on filing date price.
  • Shares were acquired via restricted stock vesting on May 6, 2026, as compensation.
  • Sale represents a tiny fraction of Blackline's $1.8B market cap.
  • Form 144 signals intent to sell, not a completed transaction.

Financial Impact

Approximately $49,519 in proposed sale value, less than 0.003% of market cap.

dilution

Risk Factors

  • Insider may complete the sale, but the amount is immaterial.
  • No other material risks from this filing.

Market Snapshot

Exchange
Nasdaq
Sector
Services-Prepackaged Software
Analyst Consensus
54% bullish (24 analysts)

Investment Themes

Software & IT

Documents Analyzed

This report is based on 3 SEC documents filed with EDGAR.

DocumentAccession Number
144 Filing (Primary)0001959173-26-003850
Document: 0001959173-26-003850-index.html0001959173-26-003850
Document: 0001959173-26-003850.txt0001959173-26-003850
11 reports for BL
Performance horizon
Filters
Rows
Reports for BL — sortable, filterable
TypeNow
Oct 22, 2026
4d ago
Press Release
NEUTRAL ★ 1/10
$34.29awaiting T+20—$34.18 (−0.32%)
Sep 21, 2026
5w ago
Press Release
NEUTRAL ★ 4/10
$28.57 $30.11▲ +5.39%▲ +6.30%$34.18 (+19.64%)
Aug 28, 2026
8w ago
Insider Cluster
NEUTRAL ★ 4/10
$33.22 $26.37▼ −20.62%▼ −20.43%$34.18 (+2.89%)
Aug 8, 2026
11w ago
Institutional Cluster
MIXED ★ 3/10
$29.29 $30.14▲ +2.90%▲ +3.82%$34.18 (+16.70%)
May 22, 2026
22w ago
Insider Cluster
NEUTRAL ★ 2/10
$28.87 $27.10▼ −6.13%▼ −4.18%$34.18 (+18.39%)
May 21, 2026
22w ago
144
NEUTRAL ★ 2/10
$28.94 $25.90▼ −10.50%▼ −10.84%$34.18 (+18.11%)
May 13, 2026
23w ago
144
NEUTRAL ★ 2/10
$25.23 $27.93▲ +10.70%▲ +11.31%$34.18 (+35.47%)
May 12, 2026
23w ago
144
NEUTRAL ★ 2/10
$26.21 $27.63▲ +5.42%▲ +7.14%$34.18 (+30.41%)
Apr 21, 2026
26w ago
Press Release
NEUTRAL ★ 1/10
$31.73 $30.03▼ −5.36%▼ −8.52%$34.18 (+7.72%)
Mar 25, 2026
30w ago
DEFA14A
NEUTRAL ★ 3/10
$37.07 $29.39▼ −20.72%▼ −28.58%$34.18 (−7.80%)
Showing 10 of 11

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Report published May 21, 2026