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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
2025-10-20 Griffin Mark D EVP, Security Solutions Option exercise +191,417 1,281,999
2025-10-20 Griffin Mark D EVP, Security Solutions Shares withheld for taxes −127,006 $7.10 $902K 1,154,993
2025-10-20 Griffin Mark D EVP, Security Solutions Option exercise · Performance-Based RSUs −191,417 861,377
2025-10-20 Wood John B Chairman and CEO Grant or award +229,616 4,309,748
2025-10-20 Wood John B Chairman and CEO Option exercise +660,925 4,970,673
2025-10-20 Wood John B Chairman and CEO Shares withheld for taxes −401,635 $7.10 $2.9M 4,569,038
2025-10-20 Wood John B Chairman and CEO Option exercise · Performance-Based RSUs −660,925 2,974,164
2025-09-12 Dockery Derrick D. Director Sale −4,500 $6.87 $31K 182,600
2025-09-12 Schaufeld Fredrick Director Sale −255,449 $6.79 $1.7M 1,338,698
2025-09-05 Wood John B Chairman and CEO Sale −174,700 $6.21 $1.1M 1,543,374
2025-09-05 Wood John B Chairman and CEO Sale −200,000 $6.55 $1.3M 4,984,365
2025-08-25 Jacobs Bradley W. Director Sale −25,000 $6.26 $157K 188,293
2025-08-22 Maluda John W Director Sale −52,595 $6.60 $347K 185,387
2025-08-14 Terreri Donald Joseph Controller, Chief Acct Officer Grant or award +9,191 9,191
2025-08-13 Jacobs Bradley W. Director Option exercise +60,000 $1.80 $108K 273,293
2025-08-13 Jacobs Bradley W. Director Sale −60,000 $5.22 $313K 213,293
2025-07-01 Hill Donna K. VP, Human Resources Grant or award +3,036 $3.12 $9K 56,823
2025-07-01 Hill Donna K. VP, Human Resources Shares withheld for taxes −1,075 $3.12 $3K 55,748
2025-07-01 Cooke Malcolm G. VP, Chief Info Tech Officer Grant or award +3,348 $3.12 $10K 88,780.09
2025-07-01 Cooke Malcolm G. VP, Chief Info Tech Officer Shares withheld for taxes −1,186 $3.12 $4K 87,594.09

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