Dyckerhoff Stefan A
SEC Form 4 insider trading activity
Dyckerhoff Stefan A has filed 7 SEC Form 4 filings (47 transaction rows) across 1 company, with disclosures dating back to 2026. 7 of those filings fall inside the rolling window. Most recent filing: Oct 9, 2026.
On the most recent filing, Dyckerhoff Stefan A is listed as Director at Astera Labs, Inc. Inside the rolling window, Dyckerhoff Stefan A reported no open-market purchases and 8 open-market sales totaling $29.1M in ALAB. The largest disclosed transaction in the window is a sale of 12,499 ALAB shares on Jul 1, 2026, worth $5.6M.
Companies traded
Other insiders at ALAB
Insider Buying
$0
reported purchases (SEC code P)
Insider Selling
$29.1M
reported sales (SEC code S)
Companies
1
in the rolling window
| Source | |||||||
|---|---|---|---|---|---|---|---|
| ALAB | Director | Sale | 12,499 | $4.7M | Oct 9 | SEC ↗ | |
| ALAB | Director | Sale | 12,499 | $3.4M | Sep 3 | SEC ↗ | |
| ALAB | Director | Sale | 12,499 | $3.9M | Aug 10 | SEC ↗ | |
| ALAB | Director | Sale | 12,499 | $5.6M | Jul 2 | SEC ↗ | |
| ALAB | Director | Sale | 12,499 | $4.6M | Jun 5 | SEC ↗ | |
| ALAB | Director | Sale | 12,499 | $2.5M | May 11 | SEC ↗ | |
| ALAB | Director | Sale | 11,599 | $2.0M | Apr 21 | SEC ↗ | |
| ALAB | Director | Sale | 13,399 | $2.3M | Apr 21 | SEC ↗ |
Frequently asked questions
How many SEC Form 4 filings has Dyckerhoff Stefan A made?
Dyckerhoff Stefan A has filed 7 SEC Form 4 filings (47 transaction rows) across 1 company since 2026.
Which companies does Dyckerhoff Stefan A trade?
Dyckerhoff Stefan A has filed SEC Form 4 disclosures for 1 company, including ALAB.
When was Dyckerhoff Stefan A's most recent SEC Form 4 filing?
Dyckerhoff Stefan A's most recent SEC Form 4 filing on Tracefour is dated Oct 9, 2026.
What is Dyckerhoff Stefan A's total buy and sell value in the current window?
Inside the rolling retention window, Dyckerhoff Stefan A bought $0 and sold $29.1M based on SEC Form 4 filings.
What was Dyckerhoff Stefan A's largest disclosed transaction?
The largest disclosed transaction in the current window is a sale of 12,499 ALAB shares on 2026-07-01, worth $5.6M, per SEC Form 4 filings.