Barton Russell
Chief Operating Officer
Barton Russell has filed 4 SEC Form 4 filings (7 transaction rows) across 1 company, with disclosures dating back to 2026. 4 of those filings fall inside the rolling window. Most recent filing: Jan 23, 2026.
On the most recent filing, Barton Russell is listed as Chief Operating Officer at Acumen Pharmaceuticals, Inc. Inside the rolling window, Barton Russell reported no open-market purchases and 6 open-market sales totaling $30K in ABOS. The largest disclosed transaction in the window is a sale of 4,000 ABOS shares on Jan 5, 2026, worth $8K.
Companies traded
Other insiders at ABOS
Insider Buying
$0
reported purchases (SEC code P)
Insider Selling
$30K
reported sales (SEC code S)
Companies
1
in the rolling window
| Source | |||||||
|---|---|---|---|---|---|---|---|
| ABOS | Chief Operating Officer | Sale | 2,315 | $4K | Jan 23 | SEC ↗ | |
| ABOS | Chief Operating Officer | Sale | 462 | $850 | Jan 23 | SEC ↗ | |
| ABOS | Chief Operating Officer | Sale | 3,530 | $7K | Jan 12 | SEC ↗ | |
| ABOS | Chief Operating Officer | Sale | 4,000 | $8K | Jan 7 | SEC ↗ | |
| ABOS | Chief Operating Officer | Sale | 3,618 | $7K | Jan 7 | SEC ↗ | |
| ABOS | Chief Operating Officer | Sale | 1,700 | $3K | Jan 7 | SEC ↗ |
Frequently asked questions
How many SEC Form 4 filings has Barton Russell made?
Barton Russell has filed 4 SEC Form 4 filings (7 transaction rows) across 1 company since 2026.
Which companies does Barton Russell trade?
Barton Russell has filed SEC Form 4 disclosures for 1 company, including ABOS.
When was Barton Russell's most recent SEC Form 4 filing?
Barton Russell's most recent SEC Form 4 filing on Tracefour is dated Jan 23, 2026.
What is Barton Russell's job title?
On the most recent SEC Form 4 filings tracked by Tracefour, Barton Russell is listed as Chief Operating Officer.
What is Barton Russell's total buy and sell value in the current window?
Inside the rolling retention window, Barton Russell bought $0 and sold $30K based on SEC Form 4 filings.
What was Barton Russell's largest disclosed transaction?
The largest disclosed transaction in the current window is a sale of 4,000 ABOS shares on 2026-01-05, worth $8K, per SEC Form 4 filings.