IONS Insider Trading

Net Selling · 180d
Open-Market Buys (180d)
$0
0 insiders
Open-Market Sells (180d)
$90.8M
16 insiders
Net Insider Flow
-$90.8M
open market, 180d
Reporting Insiders
16
76 P/S transactions
Build

Build on these Form 4 transactions

The public view is the crawlable proof. The same sourced dataset is available through REST and MCP for agents, research scripts, and back-office tools.

Recent Form 4 Transactions

100 shown
DateInsiderRoleActionSharesPriceValue
Jul 15, 2026Reikes Peter NDirectorGrant(A)3K$0
Jul 15, 2026Berthelsen Spencer RDirectorOption exercise(M)5K$0
Jul 15, 2026Berthelsen Spencer RDirectorOption exercise(M)5K$0
Jul 15, 2026Herman Joan EDirectorOption exercise(M)5K$0
Jul 15, 2026Herman Joan EDirectorOption exercise(M)5K$0
Jul 15, 2026Hantson LudwigDirectorGrant(A)3K$0
Jul 7, 2026Bennett C FrankEVP, Chief Scientific OfficerOther(J)15K$0
Jul 7, 2026Bennett C FrankEVP, Chief Scientific OfficerSell(S)15K$85.46$1.3M
Jul 7, 2026Bennett C FrankEVP, Chief Scientific OfficerOther(J)15K$0
Jul 7, 2026Bennett C FrankEVP, Chief Scientific OfficerSell(S)6K$83.58$463K
Jul 7, 2026Kordasiewicz Holly B.EVP, Chief Development OfficerSell(S)362$84.30$31K
Jul 7, 2026Diaz Allene M.DirectorOption exercise(M)10K$0
Jul 7, 2026Diaz Allene M.DirectorSell(S)10K$85.42$864K
Jul 7, 2026Diaz Allene M.DirectorOption exercise(M)10K$47.11$476K
Jul 1, 2026Loscalzo JosephDirectorGrant(A)2K$0
Jul 1, 2026Loscalzo JosephDirectorGrant(A)5K$0
Jul 1, 2026Herman Joan EDirectorGrant(A)2K$0
Jul 1, 2026Herman Joan EDirectorGrant(A)5K$0
Jul 1, 2026Yang Michael J.DirectorGrant(A)2K$0
Jul 1, 2026Yang Michael J.DirectorGrant(A)5K$0
Jul 1, 2026Klein Joseph IIIDirectorGrant(A)2K$0
Jul 1, 2026Klein Joseph IIIDirectorGrant(A)5K$0
Jul 1, 2026Klein Joseph IIIDirectorOption exercise(M)12K$0
Jul 1, 2026Klein Joseph IIIDirectorSell(S)11K$79.04$903K
Jul 1, 2026Klein Joseph IIIDirectorSell(S)99$79.45$8K
Jul 1, 2026Klein Joseph IIIDirectorOption exercise(M)12K$39.94$460K
Jul 1, 2026Berthelsen Spencer RDirectorGrant(A)2K$0
Jul 1, 2026Berthelsen Spencer RDirectorGrant(A)5K$0
Jul 1, 2026Diaz Allene M.DirectorGrant(A)2K$0
Jul 1, 2026Diaz Allene M.DirectorGrant(A)5K$0
Jul 1, 2026Hayden Michael RDirectorGrant(A)2K$0
Jul 1, 2026Hayden Michael RDirectorGrant(A)5K$0
Jun 26, 2026O'neil Patrick R.EVP CLO & General CounselSell(S)3K$80.00$246K
Jun 26, 2026Schneider EugeneEVP, Chf Clinical Develop OfcrOption exercise(M)26K$0
Jun 26, 2026Schneider EugeneEVP, Chf Clinical Develop OfcrSell(S)26K$81.05$2.1M
Jun 26, 2026Schneider EugeneEVP, Chf Clinical Develop OfcrOption exercise(M)26K$60.89$1.6M
Jun 26, 2026Baroldi JosephEVP, Chief Business OfficerOption exercise(M)4K$0
Jun 26, 2026Baroldi JosephEVP, Chief Business OfficerOption exercise(M)2K$0
Jun 26, 2026Baroldi JosephEVP, Chief Business OfficerSell(S)6K$80.16$452K
Jun 26, 2026Baroldi JosephEVP, Chief Business OfficerOption exercise(M)2K$32.60$58K
Jun 26, 2026Baroldi JosephEVP, Chief Business OfficerOption exercise(M)4K$56.78$220K
Jun 26, 2026Monia Brett PChief Executive Officer, DirectorOption exercise(M)50K$0
Jun 26, 2026Monia Brett PChief Executive Officer, DirectorSell(S)50K$80.59$4.0M
Jun 26, 2026Monia Brett PChief Executive Officer, DirectorOption exercise(M)50K$56.78$2.8M
Jun 25, 2026Swayze EricEVP ResearchSell(S)11K$79.18$839K
Jun 25, 2026Monia Brett PChief Executive Officer, DirectorOption exercise(M)21K$0
Jun 25, 2026Monia Brett PChief Executive Officer, DirectorSell(S)21K$78.49$1.7M
Jun 25, 2026Monia Brett PChief Executive Officer, DirectorOption exercise(M)21K$32.60$687K
Jun 24, 2026Monia Brett PChief Executive Officer, DirectorOption exercise(M)15K$0
Jun 24, 2026Monia Brett PChief Executive Officer, DirectorSell(S)15K$78.41$1.1M
Jun 24, 2026Monia Brett PChief Executive Officer, DirectorOption exercise(M)15K$32.60$475K
Jun 15, 2026Berthelsen Spencer RDirectorOption exercise(M)8K$0
Jun 15, 2026Berthelsen Spencer RDirectorSell(S)8K$73.49$588K
Jun 15, 2026Berthelsen Spencer RDirectorOption exercise(M)8K$24.42$195K
Jun 12, 2026Kordasiewicz Holly B.EVP, Chief Development OfficerOption exercise(M)21K$0
Jun 12, 2026Kordasiewicz Holly B.EVP, Chief Development OfficerOption exercise(M)8K$0
Jun 12, 2026Kordasiewicz Holly B.EVP, Chief Development OfficerOption exercise(M)20K$0
Jun 12, 2026Kordasiewicz Holly B.EVP, Chief Development OfficerOption exercise(M)12K$0
Jun 12, 2026Kordasiewicz Holly B.EVP, Chief Development OfficerSell(S)20K$74.05$1.5M
Jun 12, 2026Kordasiewicz Holly B.EVP, Chief Development OfficerSell(S)41K$73.09$3.0M
Jun 12, 2026Kordasiewicz Holly B.EVP, Chief Development OfficerOption exercise(M)20K$56.78$1.1M
Jun 12, 2026Kordasiewicz Holly B.EVP, Chief Development OfficerOption exercise(M)12K$32.60$391K
Jun 12, 2026Kordasiewicz Holly B.EVP, Chief Development OfficerOption exercise(M)21K$60.89$1.3M
Jun 12, 2026Kordasiewicz Holly B.EVP, Chief Development OfficerOption exercise(M)8K$60.89$484K
Jun 4, 2026Hantson LudwigDirectorGrant(A)11K$0
Jun 4, 2026Reikes Peter NDirectorGrant(A)11K$0
Jun 1, 2026Berthelsen Spencer RDirectorOption exercise(M)8K$24.42$195K
Jun 1, 2026Berthelsen Spencer RDirectorSell(S)8K$75.67$605K
Jun 1, 2026Berthelsen Spencer RDirectorOption exercise(M)8K$0
May 14, 2026Monia Brett PChief Executive Officer, DirectorOption exercise(M)3K$0
May 14, 2026Monia Brett PChief Executive Officer, DirectorSell(S)3K$78.68$253K
May 14, 2026Monia Brett PChief Executive Officer, DirectorOption exercise(M)3K$32.60$105K
May 13, 2026Monia Brett PChief Executive Officer, DirectorOption exercise(M)1K$0
May 13, 2026Monia Brett PChief Executive Officer, DirectorSell(S)1K$78.01$103K
May 13, 2026Monia Brett PChief Executive Officer, DirectorOption exercise(M)1K$32.60$43K
May 4, 2026Loscalzo JosephDirectorOption exercise(M)16K$0
May 4, 2026Loscalzo JosephDirectorOption exercise(M)12K$0
May 4, 2026Loscalzo JosephDirectorOption exercise(M)16K$0
May 4, 2026Loscalzo JosephDirectorOption exercise(M)10K$0
May 4, 2026Loscalzo JosephDirectorOption exercise(M)12K$0
May 4, 2026Loscalzo JosephDirectorOption exercise(M)11K$0
May 4, 2026Loscalzo JosephDirectorSell(S)18K$75.58$1.3M
May 4, 2026Loscalzo JosephDirectorSell(S)60K$74.90$4.5M
May 4, 2026Loscalzo JosephDirectorOption exercise(M)16K$64.80$1.0M
May 4, 2026Loscalzo JosephDirectorOption exercise(M)12K$60.20$722K
May 4, 2026Loscalzo JosephDirectorOption exercise(M)16K$42.88$686K
May 4, 2026Loscalzo JosephDirectorOption exercise(M)10K$41.08$424K
May 4, 2026Loscalzo JosephDirectorOption exercise(M)12K$40.05$481K
May 4, 2026Loscalzo JosephDirectorOption exercise(M)11K$38.06$417K
May 1, 2026Klein Joseph IIIDirectorOption exercise(M)10K$0
May 1, 2026Klein Joseph IIIDirectorSell(S)1K$74.45$107K
May 1, 2026Klein Joseph IIIDirectorSell(S)9K$73.35$637K
May 1, 2026Klein Joseph IIIDirectorOption exercise(M)10K$47.11$476K
Apr 28, 2026Baroldi JosephEVP, Chief Business OfficerSell(S)2K$71.79$117K
Apr 16, 2026Jenne KyleEVP, Chf GL Pdt Str OfcrSell(S)5K$75.17$368K
Apr 16, 2026Birchler BrianEVP, Corp and Development OpsSell(S)973$75.04$73K
Apr 16, 2026Baroldi JosephEVP, Chief Business OfficerSell(S)6K$74.56$419K
Apr 15, 2026Parshall B LynneDirectorSell(S)534$76.97$41K
Apr 15, 2026Parshall B LynneDirectorSell(S)4K$76.19$340K
Apr 15, 2026Jenne KyleEVP, Chf GL Pdt Str OfcrOption exercise(M)12K$0

Data Source

Insider transactions sourced from SEC EDGAR Form 4 filings, normalized within minutes of acceptance. "Buy"/"Sell" mark open-market transactions (codes P/S), the tradeable signal. Awards, option exercises and tax-withholding are shown with their raw code. All data is public domain.

Coverage: Form 4 filings indexed 2021-01-042026-07-18. Earlier history is backfilling; this window widens as it deepens.

Programmatic access via the Arkolith API & MCP server (insider.transactions, insider.company).