Summary
Updated Aug 30, 2026
Jack Lee Macdowell Jr. is Chief Investment Officer of CHIMERA INVESTMENT CORP (CIM). 4 SEC Form 4 filings on record going back to 2024, most recently on 19 February 2026. Most recent open-market trade: bought $999K of CIM on 12 December 2024. Lifetime open-market purchases: $2.48M. Historical track record: 1/5 stars across 3 tracked purchases.
Recent Transactions
5Every recent SEC Form 4 transaction Jack Lee Macdowell Jr. has reported, most recent first.
Most Active Insiders Right Now
Jack Lee Macdowell Jr. has no co-filers on record, so these are insiders with the largest open-market activity across the market in the last 90 days.
- VisionWave Holdings, Inc. - $7.98B of SVRE open-market activity in the last 90 days
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- SGF FANG Holdings, LP - $2.04B of FANG open-market activity in the last 90 days
- BX Mozart ML-2 Holdco L.P. - $1.22B of MDLN open-market activity in the last 90 days
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Other corporate insiders with significant SEC Form 4 track records on InsiderAlpha:
Frequently Asked Questions
Who is Jack Lee Macdowell Jr.?
Jack Lee Macdowell Jr. is a corporate insider, tracked as Chief Investment Officer of CHIMERA INVESTMENT CORP (CIM). InsiderAlpha holds 4 primary Form 4 filings for them, the earliest from 2024, updated as new SEC EDGAR filings are processed.
When did Jack Lee Macdowell Jr. last file a Form 4?
The most recent primary Form 4 on record is dated 19 February 2026, one of 4 filings going back to 2024.
Has Jack Lee Macdowell Jr. been buying or selling stock?
Recorded transactions: 3 open-market purchases ($2.48M) and 0 open-market sales across all tracked filings.
How accurate is Jack Lee Macdowell Jr.'s historical track record?
Across 3 tracked purchases, Jack Lee Macdowell Jr. averaged -6.4% avg 30-day return with a 0% 30-day win rate. InsiderAlpha rates the track record at 1/5 stars.
Where can I see all of Jack Lee Macdowell Jr.'s SEC filings?
All Form 4 filings, transaction values, and 10b5-1 plan flags are listed on this page and updated in real time as new SEC EDGAR filings are processed.
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