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Monday, October 19, 2026

CSAIL 2021-C20 Commercial Mortgage Trust: rating history

Page built October 19, 2026

Rating actions, action dates and public knowledge dates for CSAIL 2021-C20 Commercial Mortgage Trust.

Data as of loan data through September 2026; ratings as held in the dataset at 2026-10-13

← CSAIL 2021-C20 Commercial Mortgage Trust · CMBS market

Rating actions recorded in the dataset cover 12 of the deal's 17 classes. Each action shows the date the agency took the action and the date it became publicly knowable in the published rating histories, as explained in the note at the foot of this page.

Migration summary

AgencyActionsUpgradesDowngradesWithdrawalsNet notch movementFirst downgrade
Fitch13000not yet reportedNone recorded
KBRA70000+0 notches over 12 classesNone recorded
Moody's13000not yet reportedNone recorded

Net notch movement sums, over the classes with at least two recorded ratings from the agency, the difference between the last and first recorded rating in notches; a positive figure means the classes ended weaker than they began.

Actions by class

Class A-1

Fitch: current rating PIF

ActionPrior ratingRatingOutlook / watch afterAction datePublicly knowable
New ratingnot yet reportedAAAnot yet reported2021-03-302026-10-01
Watch actionAAAPIFnot yet reported2022-12-162026-10-01

KBRA: current rating WR

ActionPrior ratingRatingOutlook / watch afterAction datePublicly knowable
No action code in sourcenot yet reportedAAAnot yet reported2021-03-152026-10-01
New ratingAAAAAAnot yet reported2021-03-302026-10-01
No action code in sourceAAAAAAnot yet reported2022-03-102026-10-01
Watch actionAAAWRnot yet reported2023-01-052026-10-01

Moody's: current rating WR

ActionPrior ratingRatingOutlook / watch afterAction datePublicly knowable
New ratingnot yet reported(P)Aaanot yet reported2021-03-152026-10-13
No action code in source(P)AaaAaanot yet reported2021-03-302026-10-13
Watch actionAaaWRnot yet reported2023-02-022026-10-13

Class A-2

Fitch: current rating AAA

ActionPrior ratingRatingOutlook / watch afterAction datePublicly knowable
New ratingnot yet reportedAAAnot yet reported2021-03-302026-10-01

KBRA: current rating AAA

ActionPrior ratingRatingOutlook / watch afterAction datePublicly knowable
No action code in sourcenot yet reportedAAAnot yet reported2021-03-152026-10-01
New ratingAAAAAAnot yet reported2021-03-302026-10-01
No action code in sourceAAAAAAnot yet reported2022-03-102026-10-01
No action code in sourceAAAAAAnot yet reported2023-02-162026-10-01
No action code in sourceAAAAAAnot yet reported2024-02-162026-10-01
No action code in sourceAAAAAAnot yet reported2025-02-142026-10-01

Moody's: current rating Aaa

ActionPrior ratingRatingOutlook / watch afterAction datePublicly knowable
New ratingnot yet reported(P)Aaanot yet reported2021-03-152026-10-13
No action code in source(P)AaaAaanot yet reported2021-03-302026-10-13

Class A-3

Fitch: current rating AAA

ActionPrior ratingRatingOutlook / watch afterAction datePublicly knowable
New ratingnot yet reportedAAAnot yet reported2021-03-302026-10-01

KBRA: current rating AAA

ActionPrior ratingRatingOutlook / watch afterAction datePublicly knowable
No action code in sourcenot yet reportedAAAnot yet reported2021-03-152026-10-01
New ratingAAAAAAnot yet reported2021-03-302026-10-01
No action code in sourceAAAAAAnot yet reported2022-03-102026-10-01
No action code in sourceAAAAAAnot yet reported2023-02-162026-10-01
No action code in sourceAAAAAAnot yet reported2024-02-162026-10-01
No action code in sourceAAAAAAnot yet reported2025-02-142026-10-01

Moody's: current rating Aaa

ActionPrior ratingRatingOutlook / watch afterAction datePublicly knowable
New ratingnot yet reported(P)Aaanot yet reported2021-03-152026-10-13
No action code in source(P)AaaAaanot yet reported2021-03-302026-10-13

Class A-S

Fitch: current rating AAA

ActionPrior ratingRatingOutlook / watch afterAction datePublicly knowable
New ratingnot yet reportedAAAnot yet reported2021-03-302026-10-01

KBRA: current rating AAA

ActionPrior ratingRatingOutlook / watch afterAction datePublicly knowable
No action code in sourcenot yet reportedAAAnot yet reported2021-03-152026-10-01
New ratingAAAAAAnot yet reported2021-03-302026-10-01
No action code in sourceAAAAAAnot yet reported2022-03-102026-10-01
No action code in sourceAAAAAAnot yet reported2023-02-162026-10-01
No action code in sourceAAAAAAnot yet reported2024-02-162026-10-01
No action code in sourceAAAAAAnot yet reported2025-02-142026-10-01

Moody's: current rating Aa3

ActionPrior ratingRatingOutlook / watch afterAction datePublicly knowable
New ratingnot yet reported(P)Aa3not yet reported2021-03-152026-10-13
No action code in source(P)Aa3Aa3not yet reported2021-03-302026-10-13

Class A-SB

Fitch: current rating AAA

ActionPrior ratingRatingOutlook / watch afterAction datePublicly knowable
New ratingnot yet reportedAAAnot yet reported2021-03-302026-10-01

KBRA: current rating AAA

ActionPrior ratingRatingOutlook / watch afterAction datePublicly knowable
No action code in sourcenot yet reportedAAAnot yet reported2021-03-152026-10-01
New ratingAAAAAAnot yet reported2021-03-302026-10-01
No action code in sourceAAAAAAnot yet reported2022-03-102026-10-01
No action code in sourceAAAAAAnot yet reported2023-02-162026-10-01
No action code in sourceAAAAAAnot yet reported2024-02-162026-10-01
No action code in sourceAAAAAAnot yet reported2025-02-142026-10-01

Moody's: current rating Aaa

ActionPrior ratingRatingOutlook / watch afterAction datePublicly knowable
New ratingnot yet reported(P)Aaanot yet reported2021-03-152026-10-13
No action code in source(P)AaaAaanot yet reported2021-03-302026-10-13

Class B

Fitch: current rating AA-

ActionPrior ratingRatingOutlook / watch afterAction datePublicly knowable
New ratingnot yet reportedAA-not yet reported2021-03-302026-10-01

KBRA: current rating AA-

ActionPrior ratingRatingOutlook / watch afterAction datePublicly knowable
No action code in sourcenot yet reportedAA-not yet reported2021-03-152026-10-01
New ratingAA-AA-not yet reported2021-03-302026-10-01
No action code in sourceAA-AA-not yet reported2022-03-102026-10-01
No action code in sourceAA-AA-not yet reported2023-02-162026-10-01
No action code in sourceAA-AA-not yet reported2024-02-162026-10-01
No action code in sourceAA-AA-not yet reported2025-02-142026-10-01

Class C

Fitch: current rating A-

ActionPrior ratingRatingOutlook / watch afterAction datePublicly knowable
New ratingnot yet reportedA-not yet reported2021-03-302026-10-01

KBRA: current rating A-

ActionPrior ratingRatingOutlook / watch afterAction datePublicly knowable
No action code in sourcenot yet reportedA-not yet reported2021-03-152026-10-01
New ratingA-A-not yet reported2021-03-302026-10-01
No action code in sourceA-A-not yet reported2022-03-102026-10-01
No action code in sourceA-A-not yet reported2023-02-162026-10-01
No action code in sourceA-A-not yet reported2024-02-162026-10-01
No action code in sourceA-A-not yet reported2025-02-142026-10-01

Class D

Fitch: current rating BBB

ActionPrior ratingRatingOutlook / watch afterAction datePublicly knowable
New ratingnot yet reportedBBBnot yet reported2021-03-302026-10-01

KBRA: current rating BBB

ActionPrior ratingRatingOutlook / watch afterAction datePublicly knowable
No action code in sourcenot yet reportedBBBnot yet reported2021-03-152026-10-01
New ratingBBBBBBnot yet reported2021-03-302026-10-01
No action code in sourceBBBBBBnot yet reported2022-03-102026-10-01
No action code in sourceBBBBBBnot yet reported2023-02-162026-10-01
No action code in sourceBBBBBBnot yet reported2024-02-162026-10-01
No action code in sourceBBBBBBnot yet reported2025-02-142026-10-01

Class E

Fitch: current rating BBB-

ActionPrior ratingRatingOutlook / watch afterAction datePublicly knowable
New ratingnot yet reportedBBB-not yet reported2021-03-302026-10-01

KBRA: current rating BBB-

ActionPrior ratingRatingOutlook / watch afterAction datePublicly knowable
No action code in sourcenot yet reportedBBB-not yet reported2021-03-152026-10-01
New ratingBBB-BBB-not yet reported2021-03-302026-10-01
No action code in sourceBBB-BBB-not yet reported2022-03-102026-10-01
No action code in sourceBBB-BBB-not yet reported2023-02-162026-10-01
No action code in sourceBBB-BBB-not yet reported2024-02-162026-10-01
No action code in sourceBBB-BBB-not yet reported2025-02-142026-10-01

Class X-A

Fitch: current rating AAA

ActionPrior ratingRatingOutlook / watch afterAction datePublicly knowable
New ratingnot yet reportedAAAnot yet reported2021-03-302026-10-01

KBRA: current rating AAA

ActionPrior ratingRatingOutlook / watch afterAction datePublicly knowable
No action code in sourcenot yet reportedAAAnot yet reported2021-03-152026-10-01
New ratingAAAAAAnot yet reported2021-03-302026-10-01
No action code in sourceAAAAAAnot yet reported2022-03-102026-10-01
No action code in sourceAAAAAAnot yet reported2023-02-162026-10-01
No action code in sourceAAAAAAnot yet reported2024-02-162026-10-01
No action code in sourceAAAAAAnot yet reported2025-02-142026-10-01

Moody's: current rating Aa1

ActionPrior ratingRatingOutlook / watch afterAction datePublicly knowable
New ratingnot yet reported(P)Aa1not yet reported2021-03-152026-10-13
No action code in source(P)Aa1Aa1not yet reported2021-03-302026-10-13

Class X-B

Fitch: current rating AA-

ActionPrior ratingRatingOutlook / watch afterAction datePublicly knowable
New ratingnot yet reportedAA-not yet reported2021-03-302026-10-01

KBRA: current rating AAA

ActionPrior ratingRatingOutlook / watch afterAction datePublicly knowable
No action code in sourcenot yet reportedAAAnot yet reported2021-03-152026-10-01
New ratingAAAAAAnot yet reported2021-03-302026-10-01
No action code in sourceAAAAAAnot yet reported2022-03-102026-10-01
No action code in sourceAAAAAAnot yet reported2023-02-162026-10-01
No action code in sourceAAAAAAnot yet reported2024-02-162026-10-01
No action code in sourceAAAAAAnot yet reported2025-02-142026-10-01

Class X-D

Fitch: current rating BBB-

ActionPrior ratingRatingOutlook / watch afterAction datePublicly knowable
New ratingnot yet reportedBBB-not yet reported2021-03-302026-10-01

KBRA: current rating BBB-

ActionPrior ratingRatingOutlook / watch afterAction datePublicly knowable
No action code in sourcenot yet reportedBBB-not yet reported2021-03-152026-10-01
New ratingBBB-BBB-not yet reported2021-03-302026-10-01
No action code in sourceBBB-BBB-not yet reported2022-03-102026-10-01
No action code in sourceBBB-BBB-not yet reported2023-02-162026-10-01
No action code in sourceBBB-BBB-not yet reported2024-02-162026-10-01
No action code in sourceBBB-BBB-not yet reported2025-02-142026-10-01

Action date is the date the agency took the rating action. Publicly knowable is the publication date of the agency's rating history file, published under SEC Rule 17g-7(b), in which the action is recorded in this dataset. The dataset holds each agency's current published history, so the publicly knowable date is the current file's date and is an upper bound on when the action first became public in this form: earlier editions of the file carried older actions sooner. Actions labeled "No action code in source" are records the agency's file carries without a rating action code, principally affirmations and outlook or watch updates; the rating shown is the rating recorded with the record. Outlook and watch states are shown as recorded after each action, so the state in force between two actions is the state shown on the earlier row.