Juan Font

CIK 1733553 · SVP, Pres. & CEO, CoreSite · last filed 2026-03-12

Juan Font is a SVP, Pres. & CEO, CoreSite who has filed 27 SEC Form 4 insider transactions across 2 companies since 2018. The most recent filing, for AMT, was dated Mar 12, 2026. Across all open-market trades the lifetime net is −$1.3M, making them a net seller over the disclosed history. Current disclosed insider exposure totals $5.3M across reported positions.

"Disclosed insider exposure" sums this person's most-recently-reported share counts across each company they're an insider in, multiplied by the current underlying price. It is not net worth — it misses retail holdings, private investments, real estate, index funds, and any company where the person isn't an SEC-reporting insider. For informational purposes only.

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Disclosed Exposure

$5.31M

Companies

2

Total Filings

27

Lifetime Open-Market Net

-$1.29M

Holdings By Company

Latest on-record share count from this person's most recent non-derivative Form 4 transaction in each company. Disclosed exposure = shares × current underlying price.
Symbol Role Shares Price Disclosed Exposure Lifetime OM Net Filings Latest Filed
AMT SVP, Pres. & CEO, CoreSite 28,352 $187.18 $5.31M -$256.6K 6 2026-03-12
COR SVP, General Management 0 $281.67 $0 -$1.04M 21 2021-12-29

Recent Filings

27 filings
Form 4 transactions across all companies, newest first.
Filed Symbol Action Net Shares Net $ Link
2026-03-12 AMT Mixed +5,298 -$511.0K EDGAR
2026-01-06 AMT Tax (F) −419 -$73.2K EDGAR
2025-08-01 AMT Sell (S) −720 -$150.0K EDGAR
2025-03-12 AMT Mixed +5,185 -$392.0K EDGAR
2025-01-07 AMT Tax (F) −469 -$85.6K EDGAR
2024-03-19 AMT Sell (S) −540 -$106.6K EDGAR
2021-12-29 COR Mixed −30,558 $0 EDGAR
2021-08-09 COR Sell (S) −600 -$83.5K EDGAR
2021-05-26 COR Sell (S) −400 -$48.2K EDGAR
2021-03-17 COR Mixed +5,994 -$112.3K EDGAR
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Codes: P = open-market purchase · S = open-market sale · A = grant/award · M = option exercise · F = tax withholding at vest · G = bona-fide gift · D = disposition to issuer · J = other (see filing footnote). Only P / S codes carry directional signal.