Reporting owner · CIK 0001229590

Gordon William B

Visual SEC Form 4 history across 2 companies, 8 transactions and 3 filings.

DIRDuolingo, Inc.
Open-market mix
Latest filingSep 10, 2026, 08:23 PM
Filings3Form 4 records
Buying$00 purchases
Selling$1.5M6 sales
Net value−$1.5MBuys minus sells
Companies22 securities
Most recentSep 08, 2026sale

Open-market buy performance

90-day forward return on this insider's open-market purchases

90d forward
Forward return is not available yet

We compute this from each buy's stock performance 90 days after the transaction. The price history is still being populated for this insider's their open-market buys, so the average and median will appear here once the daily price refresh has covered the relevant trading days.

Monthly open-market activity

Reported purchase and sale transaction counts

Buys Sells
1050-5-10Feb 25Jan 266Sep 26

Net value flow

Buys minus sells

Feb 25
$0
Jan 26
$0
Sep 26
−$1.5M

Transaction texture

Ownership and ticket size

Average P/S size$242.8K
Median P/S size$253.6K
Direct8
Indirect0
Sep 08, 2026sale

Filing-only signals

Deterministic matches in this insider's history

Direct Ownershipfiling-context2

Latest Form 4 facts

Quick context from source filings

Latest transaction

sale at Duolingo, Inc. on Sep 08, 2026 valued at $15,164.

Review SEC filing
Latest buy

No open-market insider purchase is available.

Associated companies

Visual map of known reporting history

DUOLDuolingo, Inc.6 transactions · latest Sep 10, 2026, 08:23 PMTTWOTAKE TWO INTERACTIVE SOFTWARE INC2 transactions · latest Jan 05, 2026, 10:54 PM
TickerInsiderRoleTypeSharesValueCodeSignals90d returnFiledTrans date
DUOLGORDON WILLIAM B
DIR
sale10b5-1100-$1.51MS
Direct Ownership Repeat Seller 10b5-1 Detected
0.0%09/1009/08
DUOLGORDON WILLIAM B
DIR
sale10b5-1200-$2.97MS
Direct Ownership Repeat Seller 10b5-1 Detected
0.0%09/1009/08
DUOLGORDON WILLIAM B
DIR
sale10b5-12.67k-$39.2MS
Direct Ownership Repeat Seller 10b5-1 Detected
0.0%09/1009/08
DUOLGORDON WILLIAM B
DIR
sale10b5-13.48k-$50.8MS
Direct Ownership Repeat Seller 10b5-1 Detected
0.0%09/1009/08
DUOLGORDON WILLIAM B
DIR
sale10b5-12.74k-$39.6MS
Direct Ownership Repeat Seller 10b5-1 Detected
0.0%09/1009/08
DUOLGORDON WILLIAM B
DIR
sale10b5-1800-$11.5MS
Direct Ownership 10b5-1 Detected
0.0%09/1009/08
TTWOGORDON WILLIAM B
DIR
grant84$0A
Direct Ownership
−21.2%01/0501/01
TTWOGORDON WILLIAM B
DIR
grant395$0A
Direct Ownership
—02/19/202502/14/2025

Gordon William B Insider Activity FAQ

SEC Form 4 context

Who is Gordon William B?

Gordon William B is a reporting owner in SEC Form 4 filings with reporting owner CIK 0001229590.

Which companies has Gordon William B reported transactions for?

Duolingo, Inc., TAKE TWO INTERACTIVE SOFTWARE INC

When was Gordon William B's latest insider buy?

No open-market insider purchase is available for this period.

When was Gordon William B's latest insider sale?

sale at Duolingo, Inc. on Sep 08, 2026 valued at $15,164.

Where can I see the original SEC filings?

Each transaction row links directly to the source SEC filing so the reported Form 4 details can be reviewed.

Are performance metrics included?

This version does not calculate win rates, forward returns, benchmark-adjusted returns, or high-conviction scores.