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CIK 0000320121 · Accelerated filer<br>Smaller reporting company

Ticker
TLS
Exchange
Nasdaq
Industry
Services-Computer Integrated Systems Design
FY end
Dec 31
Incorporated
MD
Entity type
operating
EIN
520880974
Phone
7034716000
Business address
19886 ASHBURN ROAD, ASHBURN, VA, 20147
Former names
C3 INC
Open-market buys, last 90 days
$0
in 0 filings
Open-market sales, last 90 days
$2,534,591
in 7 filings

Net −$2,534,591. Shares bought or sold at a price by officers, directors and 10% owners (Form 4 codes P and S). Grants, option exercises and tax withholding aren't counted.

Reading 100 more Form 4s from the SEC; this list fills in as they're read.

Date Insider Transaction Shares Price Value Owned after
2026-11-10 Terreri Donald Joseph Controller, Chief Acct Officer Sale −9,400 $7.42 $70K 24,083
2026-09-21 Wood John B Chairman and CEO Sale −96,151 $4.05 $389K 1,505,867
2026-09-18 Bendza Gary Mark EVP, CFO Sale −174,539 $4.05 $707K 337,008
2026-09-11 Bendza Gary Mark EVP, CFO Sale −25,461 $4.33 $110K 511,547
2026-09-09 Bendza Gary Mark EVP, CFO Sale −200,000 $4.55 $910K 537,008
2026-09-02 Robbins Edward Hutchinson Jr. EVP, General Counsel Sale −62,398 $4.73 $295K 589,915
2026-08-21 Dockery Derrick D. Director Sale −12,000 $4.43 $53K 156,591
2026-08-14 Terreri Donald Joseph Controller, Chief Acct Officer Shares withheld for taxes −1,382 $4.54 $6K 33,483
2026-08-12 Dockery Derrick D. Director Sale −11,000 $4.34 $48K 168,591
2026-06-26 Bendza Gary Mark EVP, CFO Sale −80,140 $4.41 $353K 737,008
2026-06-25 Bendza Gary Mark EVP, CFO Sale −97,976 $4.19 $411K 817,148
2026-06-24 Dockery Derrick D. Director Sale −7,000 $4.36 $31K 179,591
2026-06-24 Bendza Gary Mark EVP, CFO Sale −71,884 $4.36 $313K 915,124
2026-06-22 Jacobs Bradley W. Director Sale −55,772 $4.31 $240K 166,612
2026-05-28 Dockery Derrick D. Director Sale −8,000 $4.78 $38K 186,591
2026-05-26 Terreri Donald Joseph Controller, Chief Acct Officer Grant or award +13,288 34,865
2026-05-26 Hill Donna K. VP, Human Resources Grant or award +33,001 133,320
2026-05-26 Hill Donna K. VP, Human Resources Grant or award · Performance-Based RSUs +12,942 12,942
2026-05-26 Cooke Malcolm G. VP, Chief Info Tech Officer Grant or award +52,787 189,466.09
2026-05-26 Cooke Malcolm G. VP, Chief Info Tech Officer Grant or award · Performance-Based RSUs +19,004 19,004

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