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Insider Information:   Niehaus Robert H
Relationship:  
City:   New York
State:   NY
   
Insider Summary:
  
   
Companies Owned :   6    
Direct Shares   611,719    

Indirect Shares

  20,229,537      
Direct Value   $29,781,690    

Indirect Value

  $503,297,103      
Total Shares   20,841,256      
Total Value   $533,078,794      


Greenhill & Co Inc
 $1,572,901 EXCO Resources Inc
 $602 Crown Castle International Corp
 $20,105,625 Iridium Communications Inc
 $7,261,599 Zeta Global Holdings Corp.
 $840,964 Greenhill & Co Inc
 $1,572,901 EXCO Resources Inc
 $602 Crown Castle International Corp
 $20,105,625 Iridium Communications Inc
 $7,261,599 Zeta Global Holdings Corp.
 $840,964
 


Historical Performance :
Based on 6 Month Return Percentages
Buys 
Sells 

     Total Filings :

    2   
    12    

     Stock price went up :

    0   
    7    
     Stock price went down :
    2   
    5    
   
     Gain/Loss Ratio :
   -2.0   
   1.4   
     Percentage Gain/Loss :
   -97.9%
 109.4%
     
   
Holdings :
     Menu Company Name Ticker Relation Direct Date Direct Shares Indirect Date Indirect Shares Total Value Sold  
            Greenhill & Co Inc GHL Chairman, GCP 2010-02-02 104,930 2010-02-02 139,835    Premium*  
            Global Signal Inc GSL 10% Owner 2007-01-12 0 2007-01-12 0    Premium*  
            EXCO Resources Inc XCO Director 2009-04-01 5,469 2009-04-01 2,344,482    Premium*  
            Crown Castle International Corp CCI Sharehldr w/ Bd Repres... 2007-02-22 194,992 2007-10-05 2,498,329    Premium*  
            Iridium Communications Inc IRDM 2024-03-29 253,636 2008-02-21 0    Premium*  
            Zeta Global Holdings Corp. ZETA 2023-07-01 52,692 2023-07-01 15,246,891    Premium*  
* Premium Members only  

Records found :    92         Free Registration Required For Full Results.    Limit: 25

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  Page 2 of 4
Ticker Company Name Relation   Off-Dir-10% Trans. Date Form Action Price Mkt Value D/I Shares    Holdings   
Rank

 
3m +/-  
Form
IRDM Iridium Communications In... Director   –       •      –    2023-05-09 4 A $63.16 $14,969 D/D 237 247,288 0 -
IRDM Iridium Communications In... Director   –       •      –    2023-06-30 4 A $0.00 $0 D/D 248 247,122 0 -
ZETA Zeta Global Holdings Corp...   –       •      –    2023-07-01 4 A $0.00 $0 D/D 17,564 52,692 0 -
IRDM Iridium Communications In... Director   –       •      –    2023-09-29 4 A $0.00 $0 D/D 340 247,628 0 -
IRDM Iridium Communications In... Director   –       •      –    2023-12-29 4 A $0.00 $0 D/D 377 248,005 0 -
IRDM Iridium Communications In... Director   –       •      –    2024-01-04 4 A $0.00 $0 D/D 5,036 253,041 0 -
IRDM Iridium Communications In...   –       •      –    2024-03-29 4 A $0.00 $0 D/D 596 253,636 0 -
GHL Greenhill & Co Inc Chrmn, Greenhill Cap Ptnrs LLC   •       –      –    2004-08-06 4 B $19.94 $89,730 I/I 4,500 4,500 1.99 -
GSL Global Signal Inc Director   –       •      –    2005-05-10 4 B $32.47 $1,623,585 D/D 50,000 50,000 2.39 -
GSL Global Signal Inc Director   –       •      –    2005-05-10 4 B $32.34 $145,530 I/I 4,500 54,500 2.1 -
GSL Global Signal Inc Director   –       •      –    2005-05-11 4 B $32.48 $97,450 D/D 3,000 57,500 2.39 -
GSL Global Signal Inc Director   –       •      –    2005-05-17 4 B $32.39 $1,295,564 I/I 40,000 144,500 2.1 -
GSL Global Signal Inc Director   –       •      –    2005-05-17 4 B $32.47 $1,526,104 D/D 47,000 104,500 2.39 -
GSL Global Signal Inc Director   –       •      –    2005-05-19 4 B $33.61 $436,959 I/I 13,000 181,500 2.1 -
GSL Global Signal Inc Director   –       •      –    2005-05-19 4 B $33.61 $806,693 D/D 24,000 168,500 2.39 -
GSL Global Signal Inc Director   –       •      –    2005-05-20 4 B $33.52 $234,648 I/I 7,000 204,500 2.1 -
GSL Global Signal Inc Director   –       •      –    2005-05-20 4 B $33.52 $536,339 D/D 16,000 197,500 2.39 -
GSL Global Signal Inc 10% Owner   –       –       •   2005-05-26 4 B $25.50 $49,999,992 I/I 1,960,784 784,314 1.5 -
IRDM Iridium Communications In... Senior Vice President   •       •      –    2008-02-21 4 B $0.00 $0 D/D 200,000 200,000 2.73 -
IRDM Iridium Communications In... Senior Vice President   •       •      –    2009-06-16 4 B $9.75 $1,462,320 D/D 150,000 350,000 2.81 -
IRDM Iridium Communications In... Senior Vice President   •       •      –    2009-06-17 4 B $9.75 $6,825 D/D 700 350,700 2.81 -
IRDM Iridium Communications In... Senior Vice President   •       •      –    2009-06-29 4 B $9.75 $49,730 D/D 5,100 355,800 2.81 -
IRDM Iridium Communications In... Senior Vice President   •       •      –    2009-06-30 4 B $9.80 $196,000 D/D 20,000 375,800 2.81 -
IRDM Iridium Communications In... Senior Vice President   •       •      –    2009-09-01 4 B $9.96 $1,992 D/D 200 398,276 2.73 -
IRDM Iridium Communications In... Director   –       •      –    2012-11-06 4 B $6.45 $193,500 D/D 30,000 511,078 2.39 -

  92  Records found
  1   2  3   4      
  Page 2 of 4  
 
Free Registration Required For Full Results.    Limit: 25

 
 
  Transaction Code Key: Ownership Code Key
  B - Buy AB - Automatic Buy D - Direct Ownership
  S - Sell AS - Automatic Sell I - Indirect Ownership
OE - Options Exercised A - Aquired
  IO - Initital Ownership D - Disposed