SEC Form 4
Senseonics Holdings, Inc. (SENS) insider trading
In the 12 months to Oct 26, 2026, 4 SENS insiders reported open-market purchases of $737.3K across 8 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
- $737.3K
- 8 filings
Who traded SENS, and when
- Purchase
SENS daily close from Oct 27, 2025 to Oct 26, 2026, between $4.86 and $10.34, last $7.58. 0 sale and 8 purchase filings by 4 insiders, marked at their filing dates. Douglas A. Roeder, Director: bought $439.2K across 4 filings, first filed Nov 10, 2025, last Aug 20, 2026. Timothy T. Goodnow, President and CEO: bought $200.8K across 2 filings, first filed Nov 10, 2025, last Mar 16, 2026. Edelman Steven, Director: bought $65.5K across 1 filing, first filed Nov 13, 2025, last Nov 13, 2025. Frederick T. Sullivan, Chief Financial Officer: bought $31.8K across 1 filing, first filed Nov 10, 2025, last Nov 10, 2025.
Largest mark · tap a row for others
Douglas A. Roeder · Director
Purchase $126,134
22,686 shares at $5.56 avg
Filed May 13, 2026 · traded May 12
Close on filing date $5.50
Douglas A. Roeder · Director
Director
$439.2K boughtTimothy T. Goodnow · President and CEO
President and CEO
$200.8K boughtEdelman Steven · Director
Director
$65.5K boughtFrederick T. Sullivan · Chief Financial Officer
Chief Financial Officer
$31.8K boughtOpen-market trades
8 filings in the last 12 months| Insider | Role | Sold | Bought | Filings | Pre-arranged (10b5-1) | Last filed |
|---|---|---|---|---|---|---|
| Douglas A. Roeder | Director | — | $439.2K | 4 | — | |
| Timothy T. Goodnow | President and CEO | — | $200.8K | 2 | — | |
| Edelman Steven | Director | — | $65.5K | 1 | — | |
| Frederick T. Sullivan | Chief Financial Officer | — | $31.8K | 1 | — |
| Filed | Insider | Type | Shares | Avg price | Value | Held after | Source |
|---|---|---|---|---|---|---|---|
traded | Douglas A. Roeder Director | Purchase | 13,953 | $8.98 | $125.3K | 171,191 | |
traded | Douglas A. Roeder Director | Purchase | 22,686 | $5.56 | $126.1K | 144,635 | |
traded | Douglas A. Roeder Director | Purchase | 17,500 | $5.73 | $100.3K | 119,731 | |
traded | Timothy T. Goodnow President and CEO | Purchase | 17,225 | $5.79 | $99.7K | 651,243 | |
traded | Edelman Steven Director | Purchase | 10,000 | $6.55 | $65.5K | 74,708 | |
traded | Douglas A. Roeder Director | Purchase | 15,000 | $5.83 | $87.5K | 99,727 | |
traded | Timothy T. Goodnow President and CEO | Purchase | 17,210 | $5.87 | $101.0K | 661,085 | |
traded | Frederick T. Sullivan Chief Financial Officer | Purchase | 5,415 | $5.88 | $31.8K | 157,028 |
GET /stocks/filings/vX/form-4?tickers=SENS&filing_date.gte=2025-10-26&sort=filing_date.desc&limit=500{
"status": "OK",
"results": [
{
"tickers": [
"SENS"
],
"issuer_cik": "0001616543",
"owner_cik": "0001270735",
"accession_number": "0001270735-26-000014",
"form_type": "4",
"filing_date": "2026-08-20",
"period_of_report": "2026-08-19",
"issuer_name": "Senseonics Holdings, Inc.",
"issuer_trading_symbol": "SENS",
"owner_name": "ROEDER DOUGLAS A",
"is_director": true,
"is_officer": false,
"is_ten_percent_owner": false,
"is_other": false,
"security_type": "non_derivative",
"record_type": "transaction",
"security_title": "Common Stock",
"transaction_timeliness": "O",
"aff_10b5_one": false,
"transaction_date": "2026-08-19",
"transaction_code": "P",
"equity_swap_involved": false,
"transaction_shares": 13953.2843,
"transaction_price_per_share": 8.98,
"transaction_acquired_disposed": "A",
"shares_owned_following_transaction": 171191.2843,
"transaction_value": 125300.493014,
"direct_or_indirect": "D",
"footnotes": [
{
"id": "F1",
"description": "The price reported is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $8.95 to $8.99 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 set forth in this footnote."
}
]
},
{
"tickers": [
"SENS"
],
"issuer_cik": "0001616543",
"owner_cik": "0001270735",
"accession_number": "0001270735-26-000008",
"form_type": "4",
"filing_date": "2026-05-13",
"period_of_report": "2026-05-12",
"issuer_name": "Senseonics Holdings, Inc.",
"issuer_trading_symbol": "SENS",
"owner_name": "ROEDER DOUGLAS A",
"is_director": true,
"is_officer": false,
"is_ten_percent_owner": false,
"is_other": false,
"security_type": "non_derivative",
"record_type": "transaction",
"security_title": "Common Stock",
"transaction_timeliness": "O",
"aff_10b5_one": false,
"transaction_date": "2026-05-12",
"transaction_code": "P",
"equity_swap_involved": false,
"transaction_shares": 22686,
"transaction_price_per_share": 5.56,
"transaction_acquired_disposed": "A",
"shares_owned_following_transaction": 144635,
"transaction_value": 126134.15999999999,
"direct_or_indirect": "D"
}
]
}
// 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) · 44 records
- Tax withholding16 records
- Grants and awards28 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 Senseonics Holdings, Inc.'s CEO sold stock?
No. Timothy T. Goodnow (CEO) made no open-market sales filed as CEO in the last 12 months.
How current is SENS’s insider data?
These are SENS 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.
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Track SENS 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 SENS 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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