Latest filingSep 04, 2026Most recent Form 4
BL
BLACKLINE, INC.
NasdaqTechnologyServices-Prepackaged Software
Insider activity for last month from 08/05 to 09/05. Counts use processed Form 4 rows. Purchase and sale metrics use codes P and S; totals remain unknown when any matching value is missing. Rows without a usable transaction date cannot be assigned to a rolling period and are excluded.
Total buying$00 buys
Total selling$226M2 sells
Net open-market-$226M8 insiders
Open-market mix
Buy vs sell distribution by transaction countInsider activity report
Monthly open-market purchase and sale counts Buys Sells
Transaction codes
By Form 4 transaction code in selected period26transactions
- F · Tax withholding · dominant18 · 69%
- M · Option exercise6 · 23%
- S · Open-market sells2 · 8%
Activity by reported role
A joint filing can contribute to multiple roles26transactions
- CAO · dominant5 · 19%
- Chief financial officer5 · 19%
- Director5 · 19%
- CCO3 · 12%
- Chief executive officer3 · 12%
- CLA3 · 12%
- CTO2 · 8%
Distinct insiders active
Reporting-owner CIKs by month · peak Aug 2026 (8)Aug 2026Sep 2026
Reported Holdings After
Separated by insider, security, and ownership typeStalick Michelle DCommon Stock · Direct
34,712Aug 27, 2026
Villanova PatrickCommon Stock · Direct
131,812Sep 02, 2026
Morgan-Prager KaroleCommon Stock · Direct
160,209Aug 20, 2026
Ryan OwenCommon Stock · Direct
393,349Aug 20, 2026
Tucker ThereseCommon Stock · Direct
381,557Aug 24, 2026
Ung JeremyCommon Stock · Direct
135,681Aug 20, 2026
Duan Jimmy CCommon Stock · Direct
119,907Aug 20, 2026
Tucker ThereseStock Option (Right to Buy) · Direct
0Aug 24, 2026
These are reported post-transaction holdings, not company-wide ownership percentages. Securities, indirect vehicles, and amendments are kept separate.
Filing activity heatmap
Each cell is one day · intensity = transactions · buys green, sells redAug 05 → Sep 05
LessMore
Top insiders
By absolute net value across the selected period- TT-$2.2M
- SD-$26.2k
Filing detail checks
Secondary metrics for the selected periodFiling-only signals
Deterministic matches in the selected period
BL transaction history
Filters apply within this company and selected period by default| Ticker | Insider | Role | Type | Shares | Value | Code | Signals | 90d return | Filed | Trans date |
|---|---|---|---|---|---|---|---|---|---|---|
| BL | Stalick Michelle D | CAO | sale | 780 | -$2.62M | S | — | 08/28 | 08/27 | |
| BL | Tucker Therese | DIR | sale | 70.0k | -$223M | S | — | 08/26 | 08/24 |
BLACKLINE, INC. Insider Activity FAQ
SEC Form 4 contextWho recently reported transactions at BLACKLINE, INC.?
Villanova Patrick, Stalick Michelle D, Tucker Therese, Duan Jimmy C, Van Houten Stuart, Ung Jeremy, Ryan Owen, Morgan-Prager Karole.
When was the latest reported open-market purchase?
No code-P purchase is available for this period.
When was the latest reported open-market sale?
Stalick Michelle D reported a sale on Aug 27, 2026 valued at $2.62M. Read the SEC filing.
What is the recent purchase and sale balance?
Net open-market selling in the selected period was $2,263,237.00. Sales can occur for many non-investment reasons.
Where can I see the original SEC filing?
Every transaction row and latest-activity fact links to its original SEC filing.
What do these Form 4 transaction codes mean?
P and S generally describe open-market or private purchases and sales. A, D, F, M, X, G, J, and V describe awards, issuer dispositions, tax withholding, exercises, gifts, other transactions, and voluntary early reports; review each filing and its footnotes for context.