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

Date Insider Transaction Shares Price Value Owned after
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
2026-06-26 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 Bendza Gary Mark EVP, CFO Sale −71,884 $4.36 $313K 915,124
2026-05-26 Bendza Gary Mark EVP, CFO Grant or award +123,477 987,008
2026-05-26 Bendza Gary Mark EVP, CFO Grant or award · Performance-Based RSUs +185,216 185,216
2026-05-16 Bendza Gary Mark EVP, CFO Shares withheld for taxes −98,019 $4.20 $412K 863,531
2026-03-19 Bendza Gary Mark EVP, CFO Shares withheld for taxes −49,477 $4.27 $211K 961,550
2026-03-18 Bendza Gary Mark EVP, CFO Grant or award +109,703 1,011,027
2026-02-02 Bendza Gary Mark EVP, CFO Grant or award +483,018 1,120,592
2026-02-02 Bendza Gary Mark EVP, CFO Shares withheld for taxes −219,268 $5.53 $1.2M 901,324
2025-12-11 Bendza Gary Mark EVP, CFO Sale −242,337 $6.19 $1.5M 637,574
2025-11-11 Bendza Gary Mark EVP, CFO Sale −57,663 $7.19 $415K 879,911
2025-10-20 Bendza Gary Mark EVP, CFO Grant or award +114,663 855,683
2025-10-20 Bendza Gary Mark EVP, CFO Option exercise +243,362 1,099,045
2025-10-20 Bendza Gary Mark EVP, CFO Shares withheld for taxes −161,471 $7.10 $1.1M 937,574
2025-10-20 Bendza Gary Mark EVP, CFO Option exercise · Performance-Based RSUs −243,362 1,095,127
2025-07-01 Bendza Gary Mark EVP, CFO Grant or award +85,997 $3.12 $268K 779,805

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