SEC Form 4
Dynex Capital, Inc. (DX) insider trading
In the 12 months to Oct 26, 2026, 4 DX insiders reported open-market purchases of $319.6K across 5 filings; no open-market sales were filed.
Latest filing · Last 12 months · Source: SEC EDGAR · How we count
- Open-market sales
- $0
- 0 filings · 0 insiders
- Open-market purchases
- $319.6K
- 5 filings
Who traded DX, and when
- Purchase
DX daily close from Oct 27, 2025 to Oct 26, 2026, between $10.56 and $14.74, last $10.84. 0 sale and 5 purchase filings by 4 insiders, marked at their filing dates. Smriti Laxman Popenoe, Co-CEO and President: bought $180.9K across 2 filings, first filed Mar 30, 2026, last Oct 20, 2026. Byron L. Boston, Co-CEO & Chairman of the Board: bought $100.0K across 1 filing, first filed Oct 21, 2026, last Oct 21, 2026. Terrence John Connelly JR., Chief Investment Officer: bought $28.0K across 1 filing, first filed Sep 28, 2026, last Sep 28, 2026. Michael Andrew Sartori, Chief Financial Officer: bought $10.7K across 1 filing, first filed Oct 20, 2026, last Oct 20, 2026.
Largest mark · tap a row for others
Smriti Laxman Popenoe · Co-CEO and President
Purchase $156,560
12,000 shares at $13.05 avg
Filed Oct 20, 2026
Close on filing date $10.96
Smriti Laxman Popenoe · Co-CEO and President
Co-CEO and President
$180.9K boughtByron L. Boston · Co-CEO & Chairman of the Board
Co-CEO & Chairman of the Board
$100.0K boughtTerrence John Connelly JR. · Chief Investment Officer
Chief Investment Officer
$28.0K boughtMichael Andrew Sartori · Chief Financial Officer
Chief Financial Officer
$10.7K boughtOpen-market trades
5 filings in the last 12 months| Insider | Role | Sold | Bought | Filings | Pre-arranged (10b5-1) | Last filed |
|---|---|---|---|---|---|---|
| Smriti Laxman Popenoe | Co-CEO and President | — | $180.9K | 2 | — | |
| Byron L. Boston | Co-CEO & Chairman of the Board | — | $100.0K | 1 | — | |
| Terrence John Connelly JR. | Chief Investment Officer | — | $28.0K | 1 | — | |
| Michael Andrew Sartori | Chief Financial Officer | — | $10.7K | 1 | — |
| Filed | Insider | Type | Shares | Avg price | Value | Held after | Source |
|---|---|---|---|---|---|---|---|
traded | Byron L. Boston Co-CEO & Chairman of the Board | Purchase | 9,180 | $10.89 | $100.0K | 892,747 | |
traded | Michael Andrew Sartori Chief Financial Officer | Purchase | 1,000 | $10.70 | $10.7K | 36,579 | |
traded | Smriti Laxman Popenoe Co-CEO and President | Purchase | 12,000 | $13.05 | $156.6K | 541,098 | |
traded | Terrence John Connelly JR. Chief Investment Officer | Purchase | 2,500 | $11.18 | $28.0K | 58,695 | |
traded | Smriti Laxman Popenoe Co-CEO and President | Purchase | 2,000 | $12.19 | $24.4K | 550,626 |
GET /stocks/filings/vX/form-4?tickers=DX&filing_date.gte=2025-10-26&sort=filing_date.desc&limit=500{
"status": "OK",
"results": [
{
"tickers": [
"DX",
"DXpC",
"DXpD"
],
"issuer_cik": "0000826675",
"owner_cik": "0001283563",
"accession_number": "0000826675-26-000124",
"form_type": "4",
"filing_date": "2026-10-21",
"period_of_report": "2026-10-20",
"issuer_name": "DYNEX CAPITAL INC",
"issuer_trading_symbol": "DX",
"owner_name": "BOSTON BYRON L",
"is_director": true,
"is_officer": true,
"is_ten_percent_owner": false,
"is_other": false,
"officer_title": "Co-CEO & Chairman of the Board",
"security_type": "non_derivative",
"record_type": "transaction",
"security_title": "Common Stock",
"transaction_timeliness": "O",
"aff_10b5_one": false,
"transaction_date": "2026-10-20",
"transaction_code": "P",
"equity_swap_involved": false,
"transaction_shares": 9180,
"transaction_price_per_share": 10.89,
"transaction_acquired_disposed": "A",
"shares_owned_following_transaction": 892747,
"transaction_value": 99970.20000000001,
"not_subject_to_section_16": false,
"direct_or_indirect": "D",
"footnotes": [
{
"id": "F1",
"description": "The price reported is a weighted average. These shares were purchased in multiple transactions at prices ranging from $10.87 to $10.92, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range."
},
{
"id": "F2",
"description": "Includes unvested restricted stock units."
}
]
},
{
"tickers": [
"DX",
"DXpC",
"DXpD"
],
"issuer_cik": "0000826675",
"owner_cik": "0002119118",
"accession_number": "0000826675-26-000120",
"form_type": "4",
"filing_date": "2026-10-20",
"period_of_report": "2026-10-20",
"issuer_name": "DYNEX CAPITAL INC",
"issuer_trading_symbol": "DX",
"owner_name": "Sartori Michael Andrew",
"is_director": false,
"is_officer": true,
"is_ten_percent_owner": false,
"is_other": false,
"officer_title": "Chief Financial Officer",
"security_type": "non_derivative",
"record_type": "transaction",
"security_title": "Common Stock",
"transaction_timeliness": "O",
"aff_10b5_one": false,
"transaction_date": "2026-10-20",
"transaction_code": "P",
"equity_swap_involved": false,
"transaction_shares": 1000,
"transaction_price_per_share": 10.7,
"transaction_acquired_disposed": "A",
"shares_owned_following_transaction": 36579,
"transaction_value": 10700,
"not_subject_to_section_16": false,
"direct_or_indirect": "D",
"footnotes": [
{
"id": "F1",
"description": "Includes unvested restricted stock and restricted stock units."
}
]
}
]
}
// trimmed to 2 resultsThe response includes every Form 4 record; this page keeps open-market purchases and sales on common stock and removes duplicate joint-filer rows.
Other insider activity (not market trades) · 20 records
- Tax withholding9 records
- Grants and awards11 records
Reported on Form 4 but not purchases or sales in the market, so not counted in the totals above.
How to read this page
- Open-market purchase or sale
- A buy or sell of the company's stock at market price. Grants, option exercises, shares withheld for tax, gifts and employee stock plan purchases are listed separately and not counted.
- Filing date
- Insiders have two business days to report a trade. Totals and the chart use the filing date, when the trade became public.
Frequently asked questions
Has Dynex Capital, Inc.'s CEO sold stock?
No. Byron L. Boston and Smriti Laxman Popenoe (CEOs) made no open-market sales filed as CEO in the last 12 months.
How current is DX’s insider data?
These are DX Form 4 filings from the last year, refreshed daily. The Massive Form 4 API has the full, continuously updated record.
What counts as an open-market buy or sell?
Only purchases and sales at the market price. Option exercises, grants, gifts, and shares withheld for taxes are reported on Form 4 but are left out of the buy and sell totals.
Build with AI
Track DX insider trades with your agent
This page joins two Massive endpoints: Form 4 filings and daily prices. Ask an agent to watch for new filings:
Using the Massive API (massive.com/docs/llms.txt), check Form 4 filings for DX every day with transaction_code=P and tell me when an insider files an open-market purchase, with their role, shares, price and the filing link.
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