TSLX insider buying and SEC filings, explained
Sixth Street Specialty Lending, Inc. · CIK 1508655
Tracked: Forms 3/4/5, 8-K, NT · All filings on sec.gov
Company profile
- Exchanges
- NYSE
- State of incorporation
- DE
- Fiscal year end
- Dec 31
- Former names
- TPG Specialty Lending, Inc.
Insider activity in the last 12 months
Bought
$11.2M
Insiders who bought
8
Sold (not marked 10b5-1)
$0
Planned sales (10b5-1)
$0
Insider purchases and sales, last 12 months
| Traded | Type | What was filed | Source |
|---|---|---|---|
| May 11, 2026 | Purchase (code P) | Ross Anthony Bruck (Vice President) bought 8,000 shares at $17.76 ($142K), reported as a purchase (code P). Holdings up 78% to 18,250 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed May 13, 2026 |
| Mar 9–10, 2026 | Purchase (code P) | Alan Waxman (Vice President) bought 245,000 shares indirectly (by trust) between Mar 9 and Mar 10 at about $18.23 ($4.5M), reported as a purchase (code P). Holdings by trust up 82% to 545,000 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Mar 11, 2026 |
| Mar 6, 2026 | Purchase (code P) | P Emery Covington (Director) bought 7,500 shares at about $18.35 ($138K), reported as a purchase (code P). Holdings up 100% to 15,000 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Mar 10, 2026 |
| Mar 5–6, 2026 | Purchase (code P) | Alan Waxman (Vice President) bought 300,000 shares indirectly (by trust) between Mar 5 and Mar 6 at about $18.43 ($5.5M), reported as a purchase (code P). New position of 300,000 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Mar 9, 2026 |
| Mar 2, 2026 | Purchase (code P) | David Stiepleman (Director and Vice President) bought 20,200 shares at about $17.65 ($357K), reported as a purchase (code P). Holdings up 365% to 25,735 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Mar 4, 2026 |
| Mar 2, 2026 | Purchase (code P) | Joshua Peck (Vice President) bought 2,840 shares at $17.59 ($50K), reported as a purchase (code P). Holdings up 947% to 3,140 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Mar 3, 2026 |
| Feb 27, 2026 | Purchase (code P) | Steven Pluss (Vice President) bought 15,000 shares at about $17.72 ($266K), reported as a purchase (code P). Holdings up 41% to 51,500 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Mar 3, 2026 |
| Feb 26, 2026 | Purchase (code P) | Michael Graf (CFO) bought 1,000 shares at $18.26 ($18K), reported as a purchase (code P). Holdings up 16% to 7,205 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Mar 2, 2026 |
| Nov 18, 2025 | Purchase (code P) | Robert J. Stanley (CEO and Director) bought 10,000 shares at $20.85 ($209K), reported as a purchase (code P). Holdings up 67% to 24,907 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Nov 20, 2025 |
1 routine transaction (such as a grant, option exercise or tax withholding) is not listed.
Cluster buys
6 insiders bought in 30 days
$10.8M in purchases since Feb 26, 2026 · Purchases traded Feb 26, 2026 to Mar 10, 2026 · Closed
| Insider | Value | Traded | Source |
|---|---|---|---|
| Michael Graf (CFO) | $18K | Feb 26, 2026 | SEC filing |
| Steven Pluss (Vice President) | $266K | Feb 27, 2026 | SEC filing |
| Joshua Peck (Vice President) | $50K | Mar 2, 2026 | SEC filing |
| David Stiepleman (Director) | $357K | Mar 2, 2026 | SEC filing |
| Alan Waxman (Vice President) | $5.5M | Mar 6, 2026 | SEC filing |
| P Emery Covington (Director) | $138K | Mar 6, 2026 | SEC filing |
| Alan Waxman (Vice President) | $4.5M | Mar 10, 2026 | SEC filing |
Red flags
No red flags in the last 12 months.
Key events
No key events in the last 12 months.
8-K filings, last 12 months
| Filed | Items | Tag | Source |
|---|---|---|---|
| Nov 3, 2026, 4:05 PM ET 8-K | Earnings released (Item 2.02) Reg FD disclosure (Item 7.01) | SEC filing |
Red flags are objective triggers only: the item or form filed, never an opinion.
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