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Total declarations
Companies
▲ Purchases (0 ops.)
▼ Sales (25 ops.)
Latest filing published 12 Mar 2026 for AMERICAN TOWER CORP /MA/.
Filing timeline
BuySaleSteven O. Vondran
Insider track record
Disclosed buys
0
Disclosed sells
25
Not enough buy signals with a settled T+90 horizon to measure a track record yet.
Signal history
Steven O. Vondran: trading record in brief
Steven O. Vondran (chief executive) discloses dealings in 2 companies, chiefly American Tower Corp /MA/ and Ameren Corp. Between 4 September 2018 and 11 March 2026, the trades on record add up to 70 filings.
The open-market record consists of 25 sales worth €16.1M, with no purchase. Other entries cover 38 share grants and 7 option exercises. So far in 2026, the count stands at no purchases and 3 sales.
The latest filing, published on 12 March 2026, reports a share grant of €2.4M in American Tower Corp /MA/. Between a trade and the moment it shows up on SEC (Form 4), the median delay is 2 days. For comparison, the SEC allows two business days to file a Form 4. Keep in mind that insiders sell for many reasons unrelated to the outlook, from tax bills to estate planning. This summary is built from SEC (Form 4) disclosures alone and does not predict where the share price will go.
Companies and markets linked to Steven O. Vondran
Open company profiles for insider transactions, fundamentals and analyst consensus when available.
Declarations23 total
20,955 shares0Common StockSEC:0001053507-26-000070:0
33,482 shares@ US$94.7121.3% of flowCommon StockSEC:0001053507-26-000045:0
24,626 shares0Common StockSEC:0001749304-26-000002:0
1,686 shares0Common Stock, $.01 Par ValueSEC:0001002910-26-000002:0
15,488 shares0Common StockSEC:0001053507-25-000078:0
16,006 shares0Common StockSEC:0001053507-25-000035:0
1,911 shares0Common Stock, $.01 Par ValueSEC:0001002910-25-000029:0
21,537 shares@ US$94.5718.7% of flowCommon StockSEC:0001053507-24-000111:0
21,537 shares@ US$230.0045.6% of flowCommon StockSEC:0001053507-24-000111:1
11,040 shares@ US$207.3120.8% of flowCommon StockSEC:0001053507-24-000052:0
14,511 shares0Common StockSEC:0001053507-24-000052:1
3,265 shares@ US$81.182.4% of flowCommon StockSEC:0001053507-24-000026:0
15,904 shares0Common StockSEC:0001053507-24-000020:0
6,102 shares@ US$191.2710.9% of flowCommon StockSEC:0001053507-23-000079:1
586 shares@ US$191.271.1% of flowCommon StockSEC:0001053507-23-000079:2
10,457 shares0Common StockSEC:0001053507-23-000079:0
9,646 shares0Common StockSEC:0001053507-23-000034:0
188 shares@ US$250.850.5% of flowCommon StockSEC:0001053507-22-000109:0
4,843 shares@ US$234.8472.3% of flowCommon StockSEC:0001053507-22-000051:0
7,904 shares0Common StockSEC:0001053507-22-000033:0
10,254 shares0Common StockSEC:0001053507-22-000020:0
196 shares@ US$302.013.5% of flowCommon StockSEC:0001053507-21-000137:0
1,478 shares@ US$278.0124.2% of flowCommon StockSEC:0001053507-21-000119:0
23 of 23 declarations
