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Archimedes Tech SPAC Partners III Co.

ARCI·Nasdaq·United States United States·Insider activity
$10.07
-0.01 (-0.10%)
Close · Oct 6, 2026 · Close Prices from Tiingo.com
ARCI
Insider purchases and sales on the price
Nasdaq 100S&P 500
Filings
Default90D1Y5YALL
ARCIS&P 500 (rebased)
Insider BuyInsider SellForm 144 · planned sale
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Daily closes, adjusted for splits and dividends · Close Prices from Tiingo.comHover a marker, every one is a filing · move across the line for the crosshair

No open-market insider purchases or sales of ARCI were filed in the last 180 days. Newest filing Jan 26, 2026 (8 months ago).

Net Insider Buying by Quarter

Shares bought (+) or sold (−) on the open market by ARCI insiders · Form 4 · last two years
-500.0K-250.0K0250.0K500.0K2025 Q1: 02025 Q12025 Q2: 02025 Q22025 Q3: 02025 Q32025 Q4: 02025 Q42026 Q1: 390.0K2026 Q12026 Q2: 02026 Q22026 Q3: 02026 Q32026 Q4: 02026 Q4

On Record

$0Purchases · 180 days
$0Sales · 180 days
56Open-market transactions on record
0Insiders filing · 180 days

Purchases (code P) and sales (code S) of ARCI common stock reported on Form 4, with Form 5 annual catch-ups. Grants, option exercises, gifts and tax withholding are not shown. Dollars are shares × the stated price; a price outside anything the stock traded at that day is withheld (n/c).

Insider Transactions

56 on record · newest trade first
AllPurchasesSalesOfficers & directors
InsiderTypeSharesPriceValueHeld afterTradedFiled
Archimedes Tech SPAC Sponsors III LLC10% owner Purchase +390.0K — —390.0Kdirect Jan 26, 2026Jan 26, 2026 Form 4 ↗
Long LongChief Executive Officer · Director · 10% owner Purchase +390.0K — —390.0Kindirect Jan 26, 2026Jan 26, 2026 Form 4 ↗
Johnson Virland AChief Financial Officer Sale −4,112 $8.65 $36K32.9Kdirect Feb 5, 2021Feb 11, 2021 Form 4 ↗
Johnson Virland AChief Financial Officer Sale −1,469 $3.61 $5K37.0Kdirect Nov 3, 2020Feb 11, 2021 Form 4 ↗
Isaac Capital Group, LLC10% owner Sale Amended −149.7K $7.83 $1.2M110.1Kdirect Apr 25, 2019Apr 30, 2019 Form 4 ↗
Isaac Jon10% owner Sale −149.7K $78.29 $11.7M110.1Kdirect Apr 25, 2019Apr 30, 2019 Form 4 ↗
Johnson Virland AChief Financial Officer Purchase +30.0K $1.00 $30K260.0Kdirect Aug 29, 2018Aug 30, 2018 Form 4 ↗
Johnson Virland AChief Financial Officer Purchase +15.0K $0.78 $12K230.0Kdirect Aug 27, 2018Aug 27, 2018 Form 4 ↗
Johnson Virland AChief Financial Officer Purchase +15.0K $0.71 $11K215.0Kdirect Aug 24, 2018Aug 24, 2018 Form 4 ↗
Bremer BradleyPresident of ApplianceSmart Sale −475 $1.25 $5945,125direct Aug 23, 2017Aug 24, 2017 Form 4 ↗
Bremer BradleyPresident of ApplianceSmart Sale −4,500 $1.19 $5K5,600direct Aug 23, 2017Aug 24, 2017 Form 4 ↗
Bremer BradleyPresident of ApplianceSmart Sale −4,900 $1.25 $6K10.1Kdirect May 25, 2016May 27, 2016 Form 4 ↗
Isaac Capital Group, LLC10% owner Sale −34.3K $1.03 $35K587.9Kdirect Oct 2, 2015Oct 5, 2015 Form 4 ↗
Isaac Capital Group, LLC10% owner Sale −6,000 $1.04 $6K622.2Kdirect Oct 2, 2015Oct 5, 2015 Form 4 ↗
Isaac Capital Group, LLC10% owner Sale −60.0K $1.15 $69K628.2Kdirect Sep 25, 2015Sep 28, 2015 Form 4 ↗
Isaac Capital Group, LLC10% owner Purchase +25.0K $2.63 $66K688.2Kdirect Feb 17, 2015Feb 18, 2015 Form 4 ↗
Isaac Capital Group, LLC10% owner Purchase +115.4K $2.80 $323K663.2Kdirect Jan 15, 2015Feb 3, 2015 Form 4 ↗
Isaac Capital Group, LLC10% owner Purchase +150.0K $2.83 $425K547.8Kdirect Jan 6, 2015Feb 3, 2015 Form 4 ↗
Bremer BradleyPresident of ApplianceSmart Sale −5,000 $3.50 $18K5,000direct Nov 13, 2013Nov 15, 2013 Form 4 ↗
Bremer BradleyPresident of ApplianceSmart Sale −6,300 $2.90 $18K0direct Aug 14, 2013Aug 15, 2013 Form 4 ↗
Bremer BradleyPresident of ApplianceSmart Sale −700 $2.93 $2K5,800direct Aug 13, 2013Aug 14, 2013 Form 4 ↗
Bremer BradleyPresident of ApplianceSmart Sale −100 $2.97 $2976,500direct Aug 12, 2013Aug 14, 2013 Form 4 ↗
Bremer BradleyPresident of ApplianceSmart Sale −400 $2.96 $1K6,600direct Aug 12, 2013Aug 14, 2013 Form 4 ↗
Bremer BradleyPresident of ApplianceSmart Sale −500 $2.92 $1K7,000direct Aug 12, 2013Aug 14, 2013 Form 4 ↗
Bremer BradleyPresident of ApplianceSmart Purchase +2,500 $1.38 $3K2,500direct Nov 27, 2012Nov 28, 2012 Form 4 ↗
CAMERON EDWARD RChairman, President, CEO · Director Purchase Amended +11.6K $1.50 $17K322.7Kdirect Nov 23, 2012Jan 8, 2013 Form 4 ↗
CAMERON EDWARD RChairman, President, CEO · Director Purchase Amended +11.6K $1.50 $17K11.6Kdirect Nov 23, 2012Nov 27, 2012 Form 4 ↗
CAMERON EDWARD RChairman, President, CEO · Director Purchase +11.6K $17404.50 $201.9M11.6Kdirect Nov 23, 2012Nov 27, 2012 Form 4 ↗
CAMERON EDWARD RChairman, President, CEO · Director Purchase Amended +1,500 $1.50 $2K311.1Kdirect Nov 21, 2012Jan 8, 2013 Form 4 ↗
CAMERON EDWARD RChairman, President, CEO · Director Purchase Amended +4,397 $1.40 $6K309.6Kdirect Nov 21, 2012Jan 8, 2013 Form 4 ↗
CAMERON EDWARD RChairman, President, CEO · Director Purchase Amended +2,500 $1.39 $3K305.2Kdirect Nov 21, 2012Jan 8, 2013 Form 4 ↗
CAMERON EDWARD RChairman, President, CEO · Director Purchase Amended +1,500 $1.50 $2K1,500direct Nov 21, 2012Nov 27, 2012 Form 4 ↗
CAMERON EDWARD RChairman, President, CEO · Director Purchase Amended +4,397 $1.40 $6K4,397direct Nov 21, 2012Nov 27, 2012 Form 4 ↗
CAMERON EDWARD RChairman, President, CEO · Director Purchase Amended +2,500 $1.39 $3K2,500direct Nov 21, 2012Nov 27, 2012 Form 4 ↗
CAMERON EDWARD RChairman, President, CEO · Director Purchase +1,500 $2250.00 $3.4M1,500direct Nov 21, 2012Nov 27, 2012 Form 4 ↗
CAMERON EDWARD RChairman, President, CEO · Director Purchase +4,397 $6168.09 $27.1M4,397direct Nov 21, 2012Nov 27, 2012 Form 4 ↗
CAMERON EDWARD RChairman, President, CEO · Director Purchase +2,500 $3464.45 $8.7M2,500direct Nov 21, 2012Nov 27, 2012 Form 4 ↗
BEDNARCZYK W WILLIAMDirector Sale −45.0K $10.02 $451K200.0Kdirect Oct 26, 2007Nov 9, 2007 Form 4 ↗
CARLSON DUANEDirector Sale −7,500 $7.39 $55K4,375direct Aug 23, 2007Aug 24, 2007 Form 4 ↗
CARLSON DUANEDirector Sale −3,014 $6.90 $21K4,375direct Aug 23, 2007Aug 24, 2007 Form 4 ↗
CARLSON DUANEDirector Sale −286 $6.90 $2K4,375direct Aug 20, 2007Aug 24, 2007 Form 4 ↗
CARLSON DUANEDirector Sale −4,200 $7.03 $30K4,375direct Aug 15, 2007Aug 20, 2007 Form 4 ↗
CAMERON EDWARD RChairman,President · Director · 10% owner Sale −23.0K $5.87 $135K302.7Kdirect Aug 7, 2007Aug 9, 2007 Form 4 ↗
BEDNARCZYK W WILLIAMDirector Sale −3,719 $5.87 $22K245.0Kdirect Aug 7, 2007Aug 9, 2007 Form 4 ↗
CARLSON DUANEDirector Sale −12.3K $3.90 $48K4,375direct May 31, 2007Jun 4, 2007 Form 4 ↗
BEDNARCZYK W WILLIAMDirector Sale −21.3K $3.90 $83K248.7Kdirect May 31, 2007Jun 1, 2007 Form 4 ↗
CARLSON DUANEDirector Sale −204 $4.22 $86116.7Kdirect May 30, 2007Jun 4, 2007 Form 4 ↗
CARLSON DUANEDirector Sale −7,500 $4.00 $30K4,375direct May 23, 2007May 25, 2007 Form 4 ↗
CARLSON DUANEDirector Sale −7,500 $3.52 $26K4,375direct May 17, 2007May 23, 2007 Form 4 ↗
WALL BRUCE JVP Resource Efficiency Prog. Sale −2,000 $3.10 $6K75direct Jun 13, 2006Jun 14, 2006 Form 4 ↗
WALL BRUCE JVP Resource Efficiency Prog. Sale −300 $3.11 $9332,075direct Jun 13, 2006Jun 14, 2006 Form 4 ↗
WALL BRUCE JVP Resource Efficiency Prog. Sale −600 $3.20 $2K2,375direct Jun 13, 2006Jun 14, 2006 Form 4 ↗
WALL BRUCE JVP Resource Efficiency Prog. Sale −2,000 $3.22 $6K2,975direct Jun 13, 2006Jun 14, 2006 Form 4 ↗
WALL BRUCE JVP Resource Efficiency Prog. Sale −100 $3.23 $3234,975direct Jun 13, 2006Jun 14, 2006 Form 4 ↗
WALL BRUCE JVP Resource Efficiency Prog. Sale −2,000 $3.22 $6K5,075direct Jun 13, 2006Jun 14, 2006 Form 4 ↗
WALL BRUCE JVP Resource Efficiency Prog. Sale −2,000 $3.30 $7K7,075direct Jun 13, 2006Jun 14, 2006 Form 4 ↗

Source: SEC EDGAR Form 4 and Form 5 filings, SEC's quarterly bulk dataset through Jun 30, 2026, and KeyVex's half-hourly read of new filings since. Every row links its filing. Amendments are marked. Nothing here is a recommendation. All insider activity, market-wide →