Close the acquisition of CoreSite
Delivered by the deadline
AI-confirmed · human review in progress Independent AI checks agreed on primary SEC or regulator evidence. Records are now being reviewed by hand, starting with those our customers order.
- Announced
- 15 Nov 2021
- Due
- 31 Dec 2021
- Delivered
- 31 Dec 2021
- Deadline
- Met
- Late
- Not met
- Today
What the company said
“The transaction... is expected to close by the end of 2021, or shortly thereafter.”
What we found
Evidence strength A What the grades mean
American Tower Corporation completed the CoreSite acquisition within the 2021 calendar year, as confirmed by financial filings referencing the transaction's impact on 2021 results.
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A American Tower Corp. 10-K filed 2022-02-25
“The increase in acquisition and merger related costs during the year ended December 31, 2021 was primarily associated with the Telxius Acquisition and the CoreSite Acquisition.” ✓ confirmed on the page
Market reaction: the shares moved -1.8% against the S&P 500 over the three sessions around the disclosure (24 Feb 2022 to 1 Mar 2022). What this measures
Checked 3 Oct 2026.
Commitment DNA
The structured record of this commitment. Fields the company did not state are left blank rather than guessed.
- Event type
- Acquisition close
- Indicative materiality
- High rules
- Action
- Close
- Deliverable
- CoreSite acquisition
- Language
- Expected (“expects”, “plans”)
- In the company’s control
- Medium
- Specificity
- High
- Conditional
- Yes: tender of at least a majority of the outstanding shares; customary conditions
- Depends on
- Regulatory, Shareholder
How this entry was checked
- Commitment recordedThe company's words were matched word for word against the filing.
- First checkAn AI model, Gemini (Google), read the company's later filings and recorded the outcome with a quoted passage.
- Second check: agreesA different AI model, Claude (Anthropic), re-read the evidence without being told the outcome and reached the same answer.
Confirmed. This outcome counts towards the company's Kept Score. How verification works
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Report an error in this entry Reference: KI-C-2021-AMT-004293 · Corrections policy