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Insider purchase · Form 4 · Mar 11, 2026

President Alan Waxman buys $3.6 million of Sixth Street Specialty Lending, Inc. (TSLX)

Alan Waxman, president, bought $3.6 million of stock after a 16% fall. WallStPal Score 74.

74
WallStPal ScoreHow much this purchase says, from 0 to 100. How it works

Alan Waxman, president of Sixth Street Specialty Lending, Inc., bought 200,000 shares on the open market on March 9, 2026 at an average of $18.18 a share, for a total of $3.6 million. The purchase was reported to the SEC on Form 4 on March 11, 2026.

It raised their holding by 67%, to 500,000 shares.

The purchase came after a fall: Sixth Street Specialty Lending, Inc. stock was down 16% over the 13 weeks before.

5 other insiders also bought at least $10,000 of TSLX within 30 days, which makes this a cluster buy.

Alan Waxman last bought TSLX on March 6, 2026.

In the 12 months up to this filing, Sixth Street Specialty Lending, Inc. insiders reported 9 open-market purchases and 0 sales.

WallStPal Score: 74 out of 100, because of raised their holding by 67%; a large purchase; 5 other insiders also bought; the stock had fallen 16% in the 13 weeks before; bought by a top executive.

What happened next: after 1 month the stock was up 1.2% (3.7 points better than the S&P 500); after 3 months the stock was down 4.3% (14 points worse than the S&P 500); after 6 months the stock was up 1.1% (13.4 points worse than the S&P 500). Based on weekly prices from the week of the purchase.

Our read

It is one of 9 insider purchases at TSLX in the past year. It is worth reading next to the company's own results and news before drawing conclusions.

Source: SEC Form 4 filing ↗. This story was written automatically from the filing and weekly price data. Information, not investment advice.

Examples

Big insider purchases have made news before. In January 2016, with bank stocks falling, JPMorgan Chase CEO Jamie Dimon bought 500,000 JPMorgan shares, about $26 million of his own money, and the purchase was widely reported as a sign of confidence.

Explain it like I'm 13

Alan Waxman helps run Sixth Street Specialty Lending, Inc.. Spending $3.6 million of their own money on the company's stock is like a coach buying a big stack of tickets to their own team's games: it suggests they think the team will do well. It is not a promise, and insiders can be wrong.

More: all TSLX insider trades · Alan Waxman's track record

Sources

  1. Form 4: Alan Waxman, purchase of TSLX · filed 2026-03-11
  2. Form 4: P. Emery Covington, purchase · filed 2026-03-10
  3. Form 4: Alan Waxman, purchase · filed 2026-03-09
  4. Form 4: Alan Waxman, purchase · filed 2026-03-09
  5. Form 4: David Stiepleman, purchase · filed 2026-03-04

The purchase filing and the other most recent Form 4 filings for the same company.

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