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ATNMActinium Pharmaceuticals, Inc.

Market cap
$47.79M
as of 2026-10-23
Latest close
$1.52
as of 2026-10-23
Sector
Healthcare
as of 2026-10-24
Industry
Biotechnology
as of 2026-10-24

Cluster

No cluster in the last 90 days under the default rule (14d · ≥2 insiders · all roles).

Form 4 historysince 2023-12-29

InsiderTradedFiledTypeSharesPriceValueOwned after10b5-1 planFiling
David Matthew TChief Financial OfficerOct 14Oct 16A250,000$0.00$0250,000NoForm 4
David Matthew TChief Financial OfficerOct 14Oct 16A · derivative250,000$0.98$243,750250,000NoForm 4
Chell Jeffrey W.Sep 2Sep 4A61,600$0.00$061,600NoForm 4
Chell Jeffrey W.Sep 2Sep 4A · derivative92,400$1.00$92,40092,400NoForm 4
Steinhart Richard ISep 2Sep 4A62,800$0.00$063,116NoForm 4
Steinhart Richard ISep 2Sep 4A · derivative94,200$1.00$94,20094,200NoForm 4
Seth SandeshChief Executive OfficerSep 2Sep 4A753,600$0.00$0938,081NoForm 4
Seth SandeshChief Executive OfficerSep 2Sep 4A1,027,274$0.00$01,965,355NoForm 4
Seth SandeshChief Executive OfficerSep 2Sep 4A · derivative1,130,400$1.00$1,130,4001,130,400NoForm 4
Almenoff June SherieSep 2Sep 4A18,000$0.00$018,000YesForm 4
Almenoff June SherieSep 2Sep 4A · derivative27,000$1.00$27,00027,000YesForm 4
Shetty AjitSep 2Sep 4A61,600$0.00$062,357NoForm 4
Shetty AjitSep 2Sep 4A · derivative92,400$1.00$92,40092,400NoForm 4
Nicholson, C. DavidSep 2Sep 4A62,800$0.00$063,300NoForm 4
Nicholson, C. DavidSep 2Sep 4A · derivative94,200$1.00$94,20094,200NoForm 4
Seth SandeshChief Executive OfficerAug 18, 2025Aug 20, 2025F120,900$1.71$206,739184,481NoForm 4
O'Loughlin SteveChief Financial OfficerMar 31, 2025Apr 2, 2025D · derivative3,333$53.70$178,982not reportedNoForm 4
O'Loughlin SteveChief Financial OfficerMar 31, 2025Apr 2, 2025D · derivative1,666$59.70$99,460not reportedNoForm 4
O'Loughlin SteveChief Financial OfficerMar 31, 2025Apr 2, 2025D · derivative3,333$41.70$138,986not reportedNoForm 4
O'Loughlin SteveChief Financial OfficerMar 31, 2025Apr 2, 2025D · derivative8,833$23.49$207,487not reportedNoForm 4
O'Loughlin SteveChief Financial OfficerMar 31, 2025Apr 2, 2025D · derivative13,333$6.96$92,798not reportedNoForm 4
O'Loughlin SteveChief Financial OfficerMar 31, 2025Apr 2, 2025D · derivative59,066$9.55$564,080not reportedNoForm 4
O'Loughlin SteveChief Financial OfficerMar 31, 2025Apr 2, 2025D · derivative107,463$6.07$652,300not reportedNoForm 4
O'Loughlin SteveChief Financial OfficerMar 31, 2025Apr 2, 2025D · derivative256,438$4.96$1,271,932not reportedNoForm 4
O'Loughlin SteveChief Financial OfficerMar 31, 2025Apr 2, 2025D · derivative253,123$5.00$1,265,615not reportedNoForm 4
Seth SandeshChief Executive OfficerMar 31, 2025Apr 2, 2025D · derivative16,666$59.70$994,960not reportedNoForm 4
Seth SandeshChief Executive OfficerMar 31, 2025Apr 2, 2025D · derivative25,000$41.70$1,042,500not reportedNoForm 4
Seth SandeshChief Executive OfficerMar 31, 2025Apr 2, 2025D · derivative33,333$23.49$782,992not reportedNoForm 4
Seth SandeshChief Executive OfficerMar 31, 2025Apr 2, 2025D · derivative50,000$6.96$348,000not reportedNoForm 4
Seth SandeshChief Executive OfficerMar 31, 2025Apr 2, 2025D · derivative139,062$9.55$1,328,042not reportedNoForm 4
Seth SandeshChief Executive OfficerMar 31, 2025Apr 2, 2025D · derivative310,182$6.07$1,882,805not reportedNoForm 4
Seth SandeshChief Executive OfficerMar 31, 2025Apr 2, 2025D · derivative827,366$4.96$4,103,735not reportedNoForm 4
Seth SandeshChief Executive OfficerMar 31, 2025Apr 2, 2025D · derivative984,367$5.00$4,921,835not reportedNoForm 4
Shetty AjitMar 31, 2025Apr 2, 2025D · derivative2,500$47.40$118,500not reportedNoForm 4
Shetty AjitMar 31, 2025Apr 2, 2025D · derivative2,500$23.49$58,725not reportedNoForm 4
Shetty AjitMar 31, 2025Apr 2, 2025D · derivative8,333$6.96$57,998not reportedNoForm 4
Shetty AjitMar 31, 2025Apr 2, 2025D · derivative8,333$9.55$79,580not reportedNoForm 4
Shetty AjitMar 31, 2025Apr 2, 2025D · derivative18,351$6.07$111,391not reportedNoForm 4
Shetty AjitMar 31, 2025Apr 2, 2025D · derivative72,156$4.96$357,894not reportedNoForm 4
Shetty AjitMar 31, 2025Apr 2, 2025D · derivative70,311$5.00$351,555not reportedNoForm 4
Nicholson, C. DavidMar 31, 2025Apr 2, 2025D · derivative2,500$59.70$149,250not reportedNoForm 4
Nicholson, C. DavidMar 31, 2025Apr 2, 2025D · derivative2,500$41.70$104,250not reportedNoForm 4
Nicholson, C. DavidMar 31, 2025Apr 2, 2025D · derivative2,500$23.49$58,725not reportedNoForm 4
Nicholson, C. DavidMar 31, 2025Apr 2, 2025D · derivative8,333$6.96$57,998not reportedNoForm 4
Nicholson, C. DavidMar 31, 2025Apr 2, 2025D · derivative8,333$9.55$79,580not reportedNoForm 4
Nicholson, C. DavidMar 31, 2025Apr 2, 2025D · derivative18,351$6.07$111,391not reportedNoForm 4
Nicholson, C. DavidMar 31, 2025Apr 2, 2025D · derivative72,156$4.96$357,894not reportedNoForm 4
Nicholson, C. DavidMar 31, 2025Apr 2, 2025D · derivative70,311$5.00$351,555not reportedNoForm 4
Almenoff June SherieMar 31, 2025Apr 2, 2025D · derivative50,000$1.71$85,500not reportedNoForm 4
Chell Jeffrey W.Mar 31, 2025Apr 2, 2025D · derivative2,500$10.41$26,025not reportedNoForm 4
Chell Jeffrey W.Mar 31, 2025Apr 2, 2025D · derivative2,500$23.49$58,725not reportedNoForm 4
Chell Jeffrey W.Mar 31, 2025Apr 2, 2025D · derivative8,333$6.96$57,998not reportedNoForm 4
Chell Jeffrey W.Mar 31, 2025Apr 2, 2025D · derivative8,333$9.55$79,580not reportedNoForm 4
Chell Jeffrey W.Mar 31, 2025Apr 2, 2025D · derivative18,351$6.07$111,391not reportedNoForm 4
Chell Jeffrey W.Mar 31, 2025Apr 2, 2025D · derivative72,156$4.96$357,894not reportedNoForm 4
Chell Jeffrey W.Mar 31, 2025Apr 2, 2025D · derivative70,311$5.00$351,555not reportedNoForm 4
Steinhart Richard IMar 31, 2025Apr 2, 2025D · derivative2,500$59.70$149,250not reportedNoForm 4
Steinhart Richard IMar 31, 2025Apr 2, 2025D · derivative2,500$41.70$104,250not reportedNoForm 4
Steinhart Richard IMar 31, 2025Apr 2, 2025D · derivative2,500$23.49$58,725not reportedNoForm 4
Steinhart Richard IMar 31, 2025Apr 2, 2025D · derivative8,333$6.96$57,998not reportedNoForm 4
Steinhart Richard IMar 31, 2025Apr 2, 2025D · derivative8,333$9.55$79,580not reportedNoForm 4
Steinhart Richard IMar 31, 2025Apr 2, 2025D · derivative18,351$6.07$111,391not reportedNoForm 4
Steinhart Richard IMar 31, 2025Apr 2, 2025D · derivative72,156$4.96$357,894not reportedNoForm 4
Steinhart Richard IMar 31, 2025Apr 2, 2025D · derivative70,311$5.00$351,555not reportedNoForm 4
Almenoff June SherieNov 1, 2024Nov 5, 2024A · derivative50,000$1.71$85,50050,000NoForm 4
Chell Jeffrey W.Dec 28, 2023Dec 29, 2023A · derivative70,311$5.00$351,55570,311NoForm 4
Seth SandeshChief Executive OfficerDec 28, 2023Dec 29, 2023A · derivative984,367$5.00$4,921,835984,367NoForm 4
Shetty AjitDec 28, 2023Dec 29, 2023A · derivative70,311$5.00$351,55570,311NoForm 4
O'Loughlin SteveChief Financial OfficerDec 28, 2023Dec 29, 2023A · derivative253,123$5.00$1,265,615253,123NoForm 4
Steinhart Richard IDec 28, 2023Dec 29, 2023A · derivative70,311$5.00$351,55570,311NoForm 4
Nicholson, C. DavidDec 28, 2023Dec 29, 2023A · derivative70,311$5.00$351,55570,311NoForm 4