Stock Trading Canary

United States · SEC Form 4 · Snapshot date: 2026-10-19 · Built: 2026-10-19 · 中文

← United States · Coverage record

US · SEC FORM 4

Sixth Street Specialty Lending, Inc.

TSLX · NYSE · CIK 0001508655 · Closed-End Funds · Asset Management

INSIDER SIGNAL

No active buy signal

1 qualifying P purchase group
in the current 180-day scoring window

2 Form 4 transaction lines observed in the same window
0 sales · 1 option, withholding, award, gift or other lines

Last qualifying purchase2026-05-11 · Bruck Ross Anthony · $142.1K

WHY NO ACTIVE SIGNAL?

Purchase activityPresent
Recent buying1 qualifying line group(s)
Recent salesNone
Buy signal statusInactive
Score anatomy

No score is calculated because there is no qualifying purchase in the active window. Unavailable inputs are not treated as zero or as a bearish signal.

ClusterNot calculated
Purchase sizeNot calculated
RoleNot calculated
RecencyNot calculated
ConvictionNot calculated

Why is there no score?

  • No qualifying open-market purchase supplies cluster, size, role, recency or conviction inputs.
  • Sales and other Form 4 activity remain visible as context and do not create a negative score.

Sales and other Form 4 activity are shown separately and do not create a negative buy signal. Absence of buying is not scored as bearish.

Purchase breadth & concentration

QUALIFYING BUYERS1
PURCHASE CONCENTRATION100%Largest buyer: Bruck Ross Anthony · $142.1K
CLUSTER BUYING · 15D1 insiderPeak activity: 2026-05-11–2026-05-11

Roles in the peak window: Vice President. Concentration uses priced qualifying P lines only and does not change the saved score.

Insider activity timeline

Owner lanes show the latest 180 days. Symbol shape identifies the transaction type; sales remain context only.

AprMayJunJulAugSepOct
Stanley Robert J.CEO
○
Bruck Ross AnthonyVice President
●
● Purchase▼ Sale○ Other

—

SIGNAL HISTORY

No recorded active-signal snapshot

Scores are archived only when the company qualifies for a published US buy-signal snapshot. Last qualifying purchase: 2026-05-11 · Bruck Ross Anthony.

Recent Form 4 activity

11Purchases
0Sales
1Other Form 4 lines
10SEC filings · 365 days
BUYING1 qualifying P line(s) · 180 days
SELLING0 sale line(s) · context only
OTHER1 exercise / withholding / award / gift / other lines
10b5-1 / PLANNEDNot assessed

P is an open-market or private purchase. S is a sale. M, F, A and G usually describe exercises, tax withholding, awards and gifts. These categories remain visually separate.

Market context

Market context has not been captured for this ticker yet. The daily market-context job processes the US universe in rotating batches.

Short interest

Short interest is external context reported to FINRA by broker-dealers. It does not affect the Insider Signal.

Shares short
4,416,619
Previous report
5,025,482
Avg daily volume
472,339
Days to cover
9.3

FINRA settlement date: 2026-09-30 · Captured 2026-10-12 · FINRA equity short interest ↗. A share count, published about a week after each of two settlement dates a month; not a percentage of shares outstanding.

Historical equity purchases

Qualifying code P transactions in the local Form 4 history, including purchases outside the current signal window.

Transaction dateReporting ownerTypeSecuritySharesAvg. priceApprox. valueSource
2026-05-11Bruck Ross AnthonyPurchase (P)Common Stock8,000USD 17.76USD 142,080SEC filing ↗
2026-03-10Waxman AlanPurchase (P)Common Stock45,000USD 18.47USD 831,150SEC filing ↗
2026-03-09Waxman AlanPurchase (P)Common Stock200,000USD 18.18USD 3,636,000SEC filing ↗
2026-03-06Covington P EmeryPurchase (P)Common Stock7,500USD 18.35USD 137,625SEC filing ↗
2026-03-06Waxman AlanPurchase (P)Common Stock200,000USD 18.42USD 3,684,000SEC filing ↗
2026-03-05Waxman AlanPurchase (P)Common Stock100,000USD 18.46USD 1,846,000SEC filing ↗
2026-03-02Stiepleman DavidPurchase (P)Common Stock20,200USD 17.65USD 356,530SEC filing ↗
2026-03-02Peck JoshuaPurchase (P)Common Stock2,840USD 17.59USD 49,956SEC filing ↗
2026-02-27Pluss StevenPurchase (P)Common Stock15,000USD 17.72USD 265,800SEC filing ↗
2026-02-26Graf MichaelPurchase (P)Common Stock1,000USD 18.26USD 18,260SEC filing ↗
2025-11-18Stanley Robert J.Purchase (P)Common Stock10,000USD 20.85USD 208,500SEC filing ↗
2024-11-20Graf MichaelPurchase (P)Common Stock1,000USD 20.53USD 20,530SEC filing ↗
2024-08-07Graf MichaelPurchase (P)Common Stock500USD 20.45USD 10,225SEC filing ↗
2024-08-05Slotkin Judy SPurchase (P)Common Stock7,015USD 19.90USD 139,598SEC filing ↗
2024-05-21Covington P EmeryPurchase (P)Common Stock7,500USD 21.50USD 161,250SEC filing ↗

Form 4 evidence

12 transaction lines in the latest 365-day window; 43 in local history.

DateOwnerTypeSecuritySharesAvg. priceApprox. valueSource
2026-05-28Stanley Robert J.J (J)Common Stock20,000USD —USD —SEC filing ↗
2026-05-11Bruck Ross AnthonyPurchase (P)Common Stock8,000USD 17.76USD 142,080SEC filing ↗
2026-03-10Waxman AlanPurchase (P)Common Stock45,000USD 18.47USD 831,150SEC filing ↗
Show recent Form 4 evidence (12 grouped rows)
DateOwnerTypeSecuritySharesAvg. priceApprox. valueSource
2026-05-28Stanley Robert J.J (J)Common Stock20,000USD —USD —SEC filing ↗
2026-05-11Bruck Ross AnthonyPurchase (P)Common Stock8,000USD 17.76USD 142,080SEC filing ↗
2026-03-10Waxman AlanPurchase (P)Common Stock45,000USD 18.47USD 831,150SEC filing ↗
2026-03-09Waxman AlanPurchase (P)Common Stock200,000USD 18.18USD 3,636,000SEC filing ↗
2026-03-06Covington P EmeryPurchase (P)Common Stock7,500USD 18.35USD 137,625SEC filing ↗
2026-03-06Waxman AlanPurchase (P)Common Stock200,000USD 18.42USD 3,684,000SEC filing ↗
2026-03-05Waxman AlanPurchase (P)Common Stock100,000USD 18.46USD 1,846,000SEC filing ↗
2026-03-02Stiepleman DavidPurchase (P)Common Stock20,200USD 17.65USD 356,530SEC filing ↗
2026-03-02Peck JoshuaPurchase (P)Common Stock2,840USD 17.59USD 49,956SEC filing ↗
2026-02-27Pluss StevenPurchase (P)Common Stock15,000USD 17.72USD 265,800SEC filing ↗
2026-02-26Graf MichaelPurchase (P)Common Stock1,000USD 18.26USD 18,260SEC filing ↗
2025-11-18Stanley Robert J.Purchase (P)Common Stock10,000USD 20.85USD 208,500SEC filing ↗

Multiple price lines in one filing are grouped and share-weighted. Price and value are blank when a grouped filing line lacks price evidence.

Snapshot & identity

Snapshot date2026-10-19
Ranking versionUS-v1.2
Data qualityPASS ELIGIBLE · —
TickerTSLX
CIK0001508655
SectorClosed-End Funds
IndustryAsset Management Yahoo Finance
SEC SICInvestment company (SEC forms N-2, N-2/A, N-54A)
ExchangeNYSE

Data coverage

Local Form 4 history43 transaction lines from 2020-03-02 to 2026-05-28
42 P purchase lines · 0 S sale lines · 1 other lines
SEC company submissionsOpen SEC filings ↗

Local ledger as of 2026-10-19. Mapping status is an audit field and does not erase SEC filing evidence.