BCSF

Bain Capital Specialty Finance, Inc.

SEC CIK 1655050
$12.89 +5.8% · 90 days
90-day buys
$0
0 open-market
90-day sells
$0
0 open-market
Net insider flow
+$0
Net buying
Filings shown
26
Most recent
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At a glance

Insiders at BCSF have made no open-market trades in the last 90 days — the activity below is grants, option exercises, and other routine filings.

Largest recent trade: Hawkins Jeffrey B., BCSF's Director, spent $227.6K of their own money on 18,204 shares at $13, growing their stake 22%.

Most active filer: Richer Clare Stack, with 6 transactions among the recent filings shown.

Insider transaction history

Form 4 filings for BCSF, newest first
View on SEC EDGAR ↗
BCSF
Buy Rusnak-Carlson Sabrina · General Counsel · Open-market purchase · filed Mar 3, 2026 ΔOwn +32%

Rusnak-carlson Sabrina, BCSF's General Counsel, spent $28.9K of their own money on 2,300 shares at $13, growing their stake 32%.

+$28.9K
2,300 sh @ $13
BCSF
Buy Richer Clare Stack · Director · Open-market purchase · filed Mar 17, 2025 ΔOwn +7.9%

Richer Clare Stack, BCSF's Director, spent $25.1K of their own money on 1,530 shares at $16, growing their stake 8%.

+$25.1K
1,530 sh @ $16
BCSF
Buy Richer Clare Stack · Director · Open-market purchase · filed Aug 10, 2022 ΔOwn +25%

Richer Clare Stack, BCSF's Director, spent $49.6K of their own money on 3,400 shares at $15, growing their stake 25%.

+$49.6K
3,400 sh @ $15
BCSF
Buy Hough Thomas A. · Director · Open-market purchase · filed Mar 25, 2022 ΔOwn +29%

Hough Thomas A., BCSF's Director, spent $100K of their own money on 6,272 shares at $16, growing their stake 29%.

+$100K
6,272 sh @ $16
BCSF
Buy Richer Clare Stack · Director · Open-market purchase · filed Mar 4, 2022 ΔOwn +32%

Richer Clare Stack, BCSF's Director, spent $50K of their own money on 3,090 shares at $16, growing their stake 32%.

+$50K
3,090 sh @ $16
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BCSF
Buy Butte Amy · Director · Open-market purchase · filed Feb 25, 2022 ΔOwn +33%

Butte Amy, BCSF's Director, spent $20.6K of their own money on 1,300 shares at $16, growing their stake 33%.

+$20.6K
1,300 sh @ $16
BCSF
Buy Richer Clare Stack · Director · Open-market purchase · filed May 11, 2021 ΔOwn +21%

Richer Clare Stack, BCSF's Director, spent $24.9K of their own money on 1,563 shares at $16, growing their stake 21%.

+$24.9K
1,563 sh @ $16
BCSF
Buy Ewald Michael A · Director, President and CEO · Open-market purchase · filed Dec 3, 2020 ΔOwn +6.1%

Ewald Michael A, BCSF's CEO, spent $50.1K of their own money on 4,000 shares at $13, growing their stake 6%.

+$50.1K
4,000 sh @ $13
BCSF
Buy Hawkins Jeffrey B. · Director · Open-market purchase · filed Dec 3, 2020 ΔOwn +22%

Hawkins Jeffrey B., BCSF's Director, spent $227.6K of their own money on 18,204 shares at $13, growing their stake 22%.

+$227.6K
18,204 sh @ $13
BCSF
Buy Dornaus Sally F · Chief Financial Officer · Open-market purchase · filed Aug 19, 2020 ΔOwn NEW

Dornaus Sally F, BCSF's CFO, spent $26.1K of their own money on 2,500 shares at $10, opening a brand-new position.

+$26.1K
2,500 sh @ $10
BCSF
Buy MARGOLIS JAY · Director · Open-market purchase · filed Mar 3, 2020 ΔOwn +35%

Margolis Jay, BCSF's Director, spent $116.3K of their own money on 6,000 shares at $19, growing their stake 35%.

+$116.3K
6,000 sh @ $19
BCSF
Buy Hough Thomas A. · Director · Open-market purchase · filed Mar 2, 2020 ΔOwn +93%

Hough Thomas A., BCSF's Director, spent $150.1K of their own money on 8,009 shares at $19, growing their stake 93%.

+$150.1K
8,009 sh @ $19
BCSF
Buy Butte Amy · Director · Open-market purchase · filed Nov 12, 2019 ΔOwn NEW

Butte Amy, BCSF's Director, spent $53.2K of their own money on 2,800 shares at $19, opening a brand-new position.

+$53.2K
2,800 sh @ $19
BCSF
Buy Boyle Michael John · Vice President and Treasurer · Open-market purchase · filed Aug 29, 2019 ΔOwn +29%

Boyle Michael John, BCSF's President, spent $76.1K of their own money on 4,150 shares at $18, growing their stake 29%.

+$76.1K
4,150 sh @ $18
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About BCSF insider activity

This page tracks every recent Form 4 filed for Bain Capital Specialty Finance, Inc. with the U.S. Securities and Exchange Commission. Form 4 is the disclosure that company insiders — officers, directors, and holders of more than 10% of the stock — must file within two business days of buying or selling shares.

The summary above nets open-market purchases against open-market sales over the trailing 90 days. Open-market trades (codes P and S) tend to carry the most signal because they reflect a deliberate choice to put money in or take it out, as opposed to routine grants, option exercises, or tax-withholding events. Use the badges on each row to tell them apart, and always confirm details against the original filing before drawing conclusions.

Frequently asked questions

How often is BCSF insider data updated?

Continuously. We read from SEC EDGAR, so new Form 4 filings for Bain Capital Specialty Finance, Inc. usually appear here within minutes of being accepted by the SEC.

What does "net insider flow" mean?

It is the total dollar value of open-market insider purchases minus open-market sales over the last 90 days. A positive number (green) means insiders bought more than they sold; a negative number (red) means the reverse.

Why do some rows show grants or option exercises instead of buys?

Insiders receive stock through compensation as well as buying it outright. Form 4 captures all of these. We label each transaction by its SEC code so you can focus on open-market activity if you prefer.

Is this investment advice?

No. InsiderSource presents public filing data for informational purposes only. Insider activity is one of many factors to consider and is never a recommendation to buy or sell.