InsiderDirector
Karen Blasing Insider Trading Activity
Every SEC Form 4 transaction reported by Karen Blasing, sourced directly from SEC EDGAR and updated as new filings are accepted.
By Trabud · Insider-trading data from SEC EDGAR
Latest filing:
Compiled automatically from SEC EDGAR Form 4 filings and refreshed daily. Figures count purchases (code P) and sales (code S) only — not grants, option exercises, or gifts. How this page is built. Not investment advice.
Quick Answer
Is Karen Blasing buying or selling?
Karen Blasing reported 1 open-market buys ($250.0K) and 81 sells ($37.5M) across 82 Form 4 filings at 4 companies — a net selling position of $37.2M.
Source: SEC EDGAR Form 4
What stands out
- Karen Blasing has reported Form 4 transactions at 4 companies; the most active, Zscaler, Inc. (ZS), accounts for 59 of 82 filings (72%).
- The most recent Form 4 was accepted on Oct 16, 2025 (12 months ago).
- No open-market purchases or sales were reported in the last 12 months.
Key Statistics (as of Oct 16, 2025)
Total Form 4 filings
82
SEC EDGAR
Companies
4
Buys (1)
$250.0K
Sells (81)
$37.5M
Insider sentiment
Net sellingNet insider flow of $37.2M in net selling, filed between Jan 25, 2018 – Oct 16, 2025.
Companies Karen Blasing files for
Recent Karen Blasing transactions
| Date | Ticker | Role | Type | Shares | Value | Filing |
|---|---|---|---|---|---|---|
| Oct 16, 2025 | GTLB | Director | Sale | 3.3K | $147.1K | SEC ↗ |
| Sep 17, 2025 | GTLB | Director | Sale | 3.3K | $162.8K | SEC ↗ |
| Aug 19, 2025 | GTLB | Director | Sale | 3.3K | $146.3K | SEC ↗ |
| Jul 21, 2025 | GTLB | Director | Sale | 3.3K | $146.3K | SEC ↗ |
| Jun 30, 2025 | GTLB | Director | Sale | 3.3K | $146.3K | SEC ↗ |
| May 15, 2025 | GTLB | Director | Sale | 3.3K | $167.6K | SEC ↗ |
| Apr 24, 2025 | GTLB | Director | Sale | 3.3K | $146.3K | SEC ↗ |
| Mar 19, 2025 | GTLB | Director | Sale | 6.5K | $337.4K | SEC ↗ |
| Feb 19, 2025 | GTLB | Director | Sale | 6.5K | $458.7K | SEC ↗ |
| Jan 16, 2025 | GTLB | Director | Sale | 6.5K | $410.8K | SEC ↗ |
| Dec 17, 2024 | GTLB | Director | Sale | 3.3K | $191.7K | SEC ↗ |
| Nov 19, 2024 | GTLB | Director | Sale | 3.3K | $193.1K | SEC ↗ |
| Oct 16, 2024 | GTLB | Director | Sale | 3.3K | $177.8K | SEC ↗ |
| Sep 18, 2024 | GTLB | Director | Sale | 3.3K | $173.4K | SEC ↗ |
| Aug 19, 2024 | GTLB | Director | Sale | 3.3K | $146.3K | SEC ↗ |
| Jul 17, 2024 | GTLB | Director | Sale | 7.9K | $423.3K | SEC ↗ |
| Jun 28, 2024 | GTLB | Director | Sale | 3.5K | $157.5K | SEC ↗ |
| Feb 16, 2024 | ZS | Director | Sale | 7.0K | $1.8M | SEC ↗ |
| Feb 1, 2024 | ZS | Director | Sale | 7.0K | $1.7M | SEC ↗ |
| Jan 18, 2024 | ZS | Director | Sale | 7.0K | $1.6M | SEC ↗ |
| Jan 5, 2024 | ZS | Director | Sale | 7.0K | $1.5M | SEC ↗ |
| Jan 5, 2024 | ZS | Director | Sale | 7.0K | $1.5M | SEC ↗ |
| Dec 7, 2023 | ZS | Director | Sale | 7.0K | $1.4M | SEC ↗ |
| Nov 27, 2023 | ZS | Director | Sale | 7.0K | $1.3M | SEC ↗ |
| Nov 13, 2023 | ZS | Director | Sale | 7.0K | $1.2M | SEC ↗ |
Showing the 25 most recent filings of 82. Screen every filing.
Karen Blasing insider trading FAQ
Is Karen Blasing buying or selling?
Across 82 SEC Form 4 filings, Karen Blasing reported 1 open-market purchases totaling $250.0K and 81 sales totaling $37.5M — a net selling position of $37.2M.
Which companies does Karen Blasing file Form 4s for?
Karen Blasing has reported insider transactions at 4 companies, most often Zscaler, Inc. (ZS), Gitlab Inc. (GTLB), ELLIE MAE INC (ELLI), AUTODESK INC (ADSK).
How far back does Karen Blasing's filing history go?
Trabud holds Karen Blasing's SEC Form 4 filings from Jan 25, 2018 – Oct 16, 2025, sourced directly from SEC EDGAR.
Where does Trabud get Karen Blasing's insider trading data?
Directly from SEC EDGAR Form 4 filings. Every transaction on this page is a real filing accepted by the SEC, updated as new filings arrive.
Related Content
Track Karen Blasing and every other insider
Screen all SEC Form 4 filings by insider, company, transaction value, and role — or ask Trabud's AI agent in plain English.
Open the screener