Clerk of the House of Representatives
Legislative Resource Center
135 Cannon Building
Washington, DC 20515
http://lobbyingdisclosure.house.gov 		Secretary of the Senate
Office of Public Records
232 Hart Building
Washington, DC 20510
http://www.senate.gov/lobby

LOBBYING REGISTRATION

Lobbying Disclosure Act of 1995 (Section 4)

Check One: New Registrant New Client for Existing Registrant Amendment

1. Effective Date of Registration
6/6/2026
2. House Identification
 31595
 Senate Identification
 16896

REGISTRANT Organization/Lobbying Firm Self Employed Individual

3. Registrant Organization
Greenberg Traurig, LLP
Address
2101 L Street, NW
 Address2
​Suite 1000
City
Washington
 State
DC
 Zip
20037
 Country
USA

4. Principal place of business (if different than line 3)

City
​
State
​
Zip
​
Country
​
5. Contact name and telephone number International Number
Contact
​Mrs. CHRISTINE M. SCHAUT
 Telephone
​2023313100
 E-mail
​schautc@gtlaw.com
6. General description of registrant’s business or activities
​Law firm

CLIENT A Lobbying Firm is required to file a separate registration for each client. Organizations employing in-house lobbyists should check the box labeled “Self” and proceed to line 10. Self

7. Client name
​AST & Science, LLC (d/b/a AST SpaceMobile)
Address
​2901 Enterprise Lane
City
​Midland
 State
​TX
 Zip
​79706
 Country
​USA
8. Principal place of business (if different than line 7)
City
​
State
​
Zip
​
Country
​
9. General description of client’s business or activities
​Commercial space company focused on space-based cellular broadband network

LOBBYISTS

10. Name of each individual who has acted or is expected to act as a lobbyist for the client identified on line 7. If any person listed in this section has served as a “covered executive branch official” or “covered legislative branch official” within twenty years of first acting as a lobbyist for the client, state the executive and/or legislative position(s) in which the person served.

Name Covered Official Position (if applicable)
First
Last
Suffix
​Joel ​Roberson ​ ​Cmte. Lias., H. Republican Conf. ('02-'02); Floor Debate Coord, H. Republican Conf. ('03-'04); Law Clerk, H. Judiciary Committee ('05-'05)
​Christopher ​Senn ​ ​Asst. Admin. FAA; Counsel, House Aviation Subcommittee
​Matthew ​Satterley ​ ​Leg. Dir., Rep. Frank LoBiondo ('14-'17); Leg. Dir., Rep. Ann Marie Buerkle ('11-'13); Leg. Asst. & Leg. Corr., Rep. Connie Mack ('09-'11); Leg. Corr., Rep. John McHugh ('08-'09)
​Daniel ​Sennott ​ ​Minority Staff Dir., House Armed Services Cmte.; Minority General Counsel, House Armed Services Cmte.; Professional Staff Member, Staff Lead and Counsel, Military Personnel Subcmte., House Armed Services Cmte ('15-'21)
​Misha ​Lehrer ​ ​Special Assistant, Legislative Aide, Sen. Chris Murphy ('15-'22)

LOBBYING ISSUES

11. General lobbying issue areas (Select all applicable codes).

​TEC
​TRA
​DEF
​
​
​
​
​
​

12. Specific lobbying issues (current and anticipated)

Support regulatory approvals for space-based cellular broadband network

AFFILIATED ORGANIZATIONS

13. Is there an entity other than the client that contributes more than $5,000 to the lobbying activities of the registrant in a quarterly period and either participates in and/or in whole or in major part supervises or controls the registrant’s lobbying activities?

No --> Go to line 14. Yes --> Complete the rest of this section for each entity matching the criteria above, then proceed to line 14.
Internet Address:
​
Name Address Principal Place of Business
Street
City State/Province Zip Code Country
​
​
City
​
​
​
​
​
State
​
Country
​
​
​
City
​
​
​
​
​
State
​
Country
​
​
​
City
​
​
​
​
​
State
​
Country
​

FOREIGN ENTITIES

14. Is there any foreign entity

a) holds at least 20% equitable ownership in the client or any organization identified on line 13; or

b) directly or indirectly, in whole or in major part, plans, supervises, controls, directs, finances or subsidizes activities of the client or any organization identified on line 13; or

c) is an affiliate of the client or any organization identified on line 13 and has a direct interest in the outcome of the lobbying activity?

No --> Sign and date the registration. Yes --> Complete the rest of this section for each entity matching the criteria above, then sign the registration.
Address Ownership
Name Street Principal place of business Amount of contribution
City State/Province Country
(city and state or country) for lobbying activities
​
City
​
​
​
​
​
State
​
Country
​
​
​
%
​
City
​
​
​
​
​
State
​
Country
​
​
​
%

CONVICTIONS DISCLOSURE

15. Have any of the lobbyists listed on this report been convicted in a Federal or State Court of an offense involving bribery, extortion, embezzlement, an illegal kickback, tax evasion, fraud, a conflict of interest, making a false statement, perjury, or money laundering?

Signature
Digitally Signed By: Christine Schaut
 Date
6/10/2026 7:05:22 AM