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sellWeak cluster of 310b5-1 plan

Thomas Unterman sold $401k of BL

director at BLACKLINE, INC.. 7,255 shares at an average of $55.24, traded May 12, 2025, filed Sep 24, 2025.

Warning score
31
Value
$401k
7,255 shares
Holdings after
42,745
-15% from before
From 52-week low
+30%
low $42.27, close $54.91
From 52-week high
-16%
high $65.64, as of May 12, 2025

Score components

  • Role
    Director
    +15
  • Trade size
    $401k at market
    +16
  • Share of holdings sold
    Sold 15% of holdings
    +5
  • Cluster
    3 insiders selling within 14 days
    +15
  • 10b5-1 plan
    Pre-scheduled under a 10b5-1 plan
    -20

What happened after comparable sells

Same side and tier, against the S&P 500, at 1, 3 and 6 months. Shown to Pro users; the whole table is on the backtest page.

Price around the trade, and since

From a quarter before the trade to today. The arrow is the trade, the circle the day the filing reached EDGAR, which is the first day anyone outside could act; the dotted line is the S&P 500 rebased to that day's close.

BLOct 9, 2026 · close 29.77
Since filing Sep 24, 2025: -44.7%SPY +19.0% · excess -63.7%

Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value; the dashed line is the close on the filing day, the dotted line SPY rebased to it.Charts by TradingView Lightweight Charts™

Rows in this filing

Every transaction in Form 4 0001666134-25-000045, as filed. Open on EDGAR

DateTransactionSharesPriceValueHoldings afterFiled
May 12, 2025SOpen-market sale
Common Stockindirect: ETU Rustic Canyon Trust10b5-1
-2,730$55.00$150k47,270Sep 24, 2025
May 20, 2025SOpen-market sale
Common Stockindirect: ETU Rustic Canyon Trust10b5-1
-910$55.00$50k46,360Sep 24, 2025
Jun 20, 2025SOpen-market sale
Common Stockindirect: ETU Rustic Canyon Trust10b5-1
-910$55.23$50k45,450Sep 24, 2025
Jul 21, 2025SOpen-market sale
Common Stockindirect: ETU Rustic Canyon Trust10b5-1
-885$56.70$50k44,565Sep 24, 2025
Aug 28, 2025SOpen-market sale
Common Stockindirect: ETU Rustic Canyon Trust10b5-1
-910$55.00$50k43,655Sep 24, 2025
Sep 22, 2025SOpen-market sale
Common Stockindirect: ETU Rustic Canyon Trust10b5-1
-910$55.00$50k42,745Sep 24, 2025

Related signals

Other insiders at BLACKLINE, INC. and this insider’s other filings.

ScoreCompanyInsiderValueHoldingsFiled
2Weak
BLsell10b5-1
BLACKLINE, INC.
Thomas Unterman
director
$50k
910 shares
-2%
21Weak
BLsell
BLACKLINE, INC.
Michelle D Stalick
Chief Accounting Officer
$36k
664 shares
-3%
47Moderate
BLbuy
BLACKLINE, INC.
David J Henshall
director
$486k
10,000 shares
+157%
29Weak
BLsell 2
BLACKLINE, INC.
Michelle D Stalick
Chief Accounting Officer
$44k
795 shares
-3%
20Weak
BLsell 310b5-1
BLACKLINE, INC.
Mark Woodhams
Chief Revenue Officer
$101k
1,856 shares
-3%
30Weak
BLsell 3
BLACKLINE, INC.
Michelle D Stalick
Chief Accounting Officer
$22k
400 shares
-1%
2Weak
BLsell10b5-1
BLACKLINE, INC.
Mark Woodhams
Chief Revenue Officer
$451k
9,088 shares
-12%
15Weak
BLsell10b5-1
BLACKLINE, INC.
Mark Woodhams
Chief Revenue Officer
$1.6M
24,408 shares
-25%
45Moderate
BLsell 2
BLACKLINE, INC.
Mika Yamamoto
director
$200k
3,220 shares
-25%
23Weak
BLsell 210b5-1
BLACKLINE, INC.
Karole Morgan-Prager
CHIEF LEGAL AND ADMINISTRATIVE
$3.0M
50,181 shares
-31%

Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.

Thomas Unterman sold $401k of BL | InsiderTell