13FINSIGHT
13F Insight
FilersStocks13FActivistsInsider
Login
FilersStocks13FActivistsInsiderResearchLearnNewsPricingTermsPrivacyContact

© 2026 13F Insight — Track smart money. Ask the AI Agent.

Listed on Turbo0Featured on Findly ToolsFeatured on toolfame.comFeatured on saasfame.comFeatured on Gets.ToolsZ-ImageFeatured On Micro SaaS ExamplesListed on MarketingDBFeatured on SaasDBFeatured on FazierBusiness Services - OnToplist.comFeatured on SubmitMySaasFeatured on ToolDirsFeatured on ToolfioFeatured on Twelve ToolsListed on uno directoryFeatured on Dang.aiFeatured on ToolPilotFeatured on Startup FameFeatured on PostmakeFeatured on Code.Market
13FINSIGHT
13F Insight
FilersStocks13FActivistsInsider
Login
  1. Home
  2. Insider Trading
  3. SINGER BRADLEY E

SINGER BRADLEY E

CIK: 0001159423
Director
Primary company: AMERICAN TOWER CORP /MA/ (AMT)

SINGER BRADLEY E is a corporate insider at AMERICAN TOWER CORP /MA/ (AMT) filing SEC Form 4 transactions. 352 transactions across 8 companies, totaling $2,034,855 in purchases and $61,371,873 in sales. Source: SEC EDGAR.

Total Transactions
352
Total Buy Value
$2.03M
Total Sell Value
$61.37M
Net Activity
$-59.34M
Last Transaction
Jul 2025
Companies
8

Companies

Transaction History

Source: SEC EDGAR Form 4 insider transaction filings.

Company
Type
Shares
Price
Value
Shares After
Date
SEC
Sweetgreen, Inc.
SG
Award24,115--176,922
6/11/2026
Filed: 6/11/2026
Filing →
Warby Parker Inc.
WRBY
Sale4,833$29.01$140K100,000
5/14/2026
Filed: 5/13/2026
Filing →
Warby Parker Inc.
WRBY
Sale20,167$28.51$575K104,833
5/13/2026
Filed: 5/13/2026
Filing →
Redfin Corp
RDFN
Disposition50,000--0
7/1/2025
Filed: 7/3/2025
Filing →
Redfin Corp
RDFN
Disposition75,477--0
7/1/2025
Filed: 7/3/2025
Filing →
Redfin Corp
RDFN
Exercise16,819--0
6/26/2025
Filed: 6/30/2025
Filing →
Redfin Corp
RDFN
Exercise17,080--0
6/26/2025
Filed: 6/30/2025
Filing →
Redfin Corp
RDFN
Exercise16,819--75,477
6/26/2025
Filed: 6/30/2025
Filing →
Redfin Corp
RDFN
Exercise17,080--58,658
6/26/2025
Filed: 6/30/2025
Filing →
Redfin Corp
RDFN
Award17,080--17,080
6/17/2025
Filed: 6/24/2025
Filing →
Redfin Corp
RDFN
Exercise25,423--0
6/9/2025
Filed: 6/24/2025
Filing →
Redfin Corp
RDFN
Exercise25,423--41,578
6/9/2025
Filed: 6/24/2025
Filing →
Sweetgreen, Inc.
SG
Award13,755--152,807
6/12/2025
Filed: 6/13/2025
Filing →
Warby Parker Inc.
WRBY
Award16,026--31,819
6/10/2025
Filed: 6/12/2025
Filing →
CROWN CASTLE INC.
CCI
Award2,510--5,474
2/26/2025
Filed: 2/28/2025
Filing →
Sweetgreen, Inc.
SG
Sale42,730$38.09$1.63M139,052
11/20/2024
Filed: 11/20/2024
Filing →
Sweetgreen, Inc.
SG
Sale7,270$39.70$289K181,782
11/13/2024
Filed: 11/15/2024
Filing →
Warby Parker Inc.
WRBY
Purchase25,000$12.63$316K125,000
8/14/2024
Filed: 8/14/2024
Filing →
Warby Parker Inc.
WRBY
Purchase50,000$13.00$650K100,000
8/13/2024
Filed: 8/14/2024
Filing →
Warby Parker Inc.
WRBY
Award15,793--65,793
8/1/2024
Filed: 8/5/2024
Filing →
Sweetgreen, Inc.
SG
Type
Award
Shares
24,115
Price
-
Value
-
Warby Parker Inc.
WRBY
Type
Sale
Shares
4,833
Price
$29.01
Value
$140K
Warby Parker Inc.
WRBY
Type
Sale
Shares
20,167
Price
$28.51
Value
$575K
Redfin Corp
RDFN
Type
Disposition
Shares
50,000
Price
-
Value
-
Redfin Corp
RDFN
Type
Disposition
Shares
75,477
Price
-
Value
-
Redfin Corp
RDFN
Type
Exercise
Shares
16,819
Price
-
Value
-
Redfin Corp
RDFN
Type
Exercise
Shares
17,080
Price
-
Value
-
Redfin Corp
RDFN
Type
Exercise
Shares
16,819
Price
-
Value
-
Redfin Corp
RDFN
Type
Exercise
Shares
17,080
Price
-
Value
-
Redfin Corp
RDFN
Type
Award
Shares
17,080
Price
-
Value
-
Redfin Corp
RDFN
Type
Exercise
Shares
25,423
Price
-
Value
-
Redfin Corp
RDFN
Type
Exercise
Shares
25,423
Price
-
Value
-
Sweetgreen, Inc.
SG
Type
Award
Shares
13,755
Price
-
Value
-
Warby Parker Inc.
WRBY
Type
Award
Shares
16,026
Price
-
Value
-
CROWN CASTLE INC.
CCI
Type
Award
Shares
2,510
Price
-
Value
-
Sweetgreen, Inc.
SG
Type
Sale
Shares
42,730
Price
$38.09
Value
$1.63M
Sweetgreen, Inc.
SG
Type
Sale
Shares
7,270
Price
$39.70
Value
$289K
Warby Parker Inc.
WRBY
Type
Purchase
Shares
25,000
Price
$12.63
Value
$316K
Warby Parker Inc.
WRBY
Type
Purchase
Shares
50,000
Price
$13.00
Value
$650K
Warby Parker Inc.
WRBY
Type
Award
Shares
15,793
Price
-
Value
-
...
AI Agent

Try asking...

FilersStocks13FActivistsInsiderResearchLearnNewsPricingTermsPrivacyContact

© 2026 13F Insight — Track smart money. Ask the AI Agent.

Listed on Turbo0Featured on Findly ToolsFeatured on toolfame.comFeatured on saasfame.comFeatured on Gets.ToolsZ-ImageFeatured On Micro SaaS ExamplesListed on MarketingDBFeatured on SaasDBFeatured on FazierBusiness Services - OnToplist.comFeatured on SubmitMySaasFeatured on ToolDirsFeatured on ToolfioFeatured on Twelve ToolsListed on uno directoryFeatured on Dang.aiFeatured on ToolPilotFeatured on Startup FameFeatured on PostmakeFeatured on Code.Market