{"entity":{"type":"insider","cik":"0001945691","url":"/insider/0001945691","json_url":"/insider/0001945691.json","name":"Kulkarni Sandeep Chidambar","name_source":"as-filed","also_issuer":false,"cross_url":null},"coverage_statement":{"n_transactions":6,"n_filings":5,"first":"2023-10-26","last":"2026-05-22","span_basis":"filed_date"},"name_variants":[{"name":"Kulkarni Sandeep Chidambar","source":"filing","n_filings":5,"first_seen":"2023-10-26","last_seen":"2026-05-22"}],"transactions":[{"id":6236401,"accession":"0001213900-26-060703","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001213900-26-060703","line_url":"/filing/0001213900-26-060703#line-1","is_derivative":false,"issuer_cik":"0001945691","issuer_name":"Amanat Acquisition Corp.","issuer_ticker":"AMAN","issuer_name_source":null,"issuer_url":"/issuer/0001945691","owner_cik":"0001945691","owner_name":"Kulkarni Sandeep Chidambar","owner_url":"/insider/0001945691","role":"Director, Officer (Director and Chairman), Ten percent owner","officer_title":"Director and Chairman","security_title":"Class A Ordinary Shares","transaction_code":"P","transaction_label":"Open-market purchase","open_market":true,"acquired_disposed":"A","direction_word":"acquired","shares":300000.0,"shares_display":"300,000","price_per_share":null,"price_display":null,"price_state":"not-stated","total_value":null,"total_display":null,"shares_owned_after":300000.0,"shares_owned_after_display":"300,000","ownership_form":"I","is_10b5_1":null,"transaction_date":"2026-05-20","filed_date":"2026-05-22","scope":"insider"},{"id":3102094,"accession":"0001827506-24-000076","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001827506-24-000076","line_url":"/filing/0001827506-24-000076#line-1","is_derivative":false,"issuer_cik":"0001827506","issuer_name":"Tourmaline Bio, Inc.","issuer_ticker":"TRML","issuer_name_source":null,"issuer_url":"/issuer/0001827506","owner_cik":"0001945691","owner_name":"Kulkarni Sandeep Chidambar","owner_url":"/insider/0001945691","role":"Director, Officer (CEO)","officer_title":"CEO","security_title":"Common Stock","transaction_code":"P","transaction_label":"Open-market purchase","open_market":true,"acquired_disposed":"A","direction_word":"acquired","shares":1779.0,"shares_display":"1,779","price_per_share":14.85,"price_display":"14.85","price_state":"stated","total_value":26418.15,"total_display":"26,418.15","shares_owned_after":7000.0,"shares_owned_after_display":"7,000","ownership_form":"I","is_10b5_1":null,"transaction_date":"2024-08-21","filed_date":"2024-08-22","scope":"insider"},{"id":2295607,"accession":"0001827506-24-000074","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001827506-24-000074","line_url":"/filing/0001827506-24-000074#line-1","is_derivative":false,"issuer_cik":"0001827506","issuer_name":"Tourmaline Bio, Inc.","issuer_ticker":"TRML","issuer_name_source":null,"issuer_url":"/issuer/0001827506","owner_cik":"0001945691","owner_name":"Kulkarni Sandeep Chidambar","owner_url":"/insider/0001945691","role":"Director, Officer (CEO)","officer_title":"CEO","security_title":"Common Stock","transaction_code":"P","transaction_label":"Open-market purchase","open_market":true,"acquired_disposed":"A","direction_word":"acquired","shares":5221.0,"shares_display":"5,221","price_per_share":13.79,"price_display":"13.79","price_state":"stated","total_value":71997.59,"total_display":"71,997.59","shares_owned_after":5221.0,"shares_owned_after_display":"5,221","ownership_form":"I","is_10b5_1":null,"transaction_date":"2024-08-16","filed_date":"2024-08-20","scope":"insider"},{"id":8547809,"accession":"0001209191-23-056128","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001209191-23-056128","line_url":"/filing/0001209191-23-056128#line-1","is_derivative":false,"issuer_cik":"0001827506","issuer_name":"Tourmaline Bio, Inc.","issuer_ticker":"TRML","issuer_name_source":null,"issuer_url":"/issuer/0001827506","owner_cik":"0001945691","owner_name":"Kulkarni Sandeep Chidambar","owner_url":"/insider/0001945691","role":"Director, Officer (CEO)","officer_title":"CEO","security_title":"Common Stock","transaction_code":"P","transaction_label":"Open-market purchase","open_market":true,"acquired_disposed":"A","direction_word":"acquired","shares":4000.0,"shares_display":"4,000","price_per_share":16.99,"price_display":"16.99","price_state":"stated","total_value":67960.0,"total_display":"67,960.00","shares_owned_after":729735.0,"shares_owned_after_display":"729,735","ownership_form":"D","is_10b5_1":null,"transaction_date":"2023-11-17","filed_date":"2023-11-20","scope":"insider"},{"id":8296767,"accession":"0001209191-23-053691","txn_seq":2,"anchor":"line-2","filing_url":"/filing/0001209191-23-053691","line_url":"/filing/0001209191-23-053691#line-2","is_derivative":false,"issuer_cik":"0001827506","issuer_name":"Tourmaline Bio, Inc.","issuer_ticker":"TRML","issuer_name_source":null,"issuer_url":"/issuer/0001827506","owner_cik":"0001945691","owner_name":"Kulkarni Sandeep Chidambar","owner_url":"/insider/0001945691","role":"Director, Officer (CEO)","officer_title":"CEO","security_title":"Common Stock","transaction_code":"P","transaction_label":"Open-market purchase","open_market":true,"acquired_disposed":"A","direction_word":"acquired","shares":5000.0,"shares_display":"5,000","price_per_share":12.25,"price_display":"12.25","price_state":"stated","total_value":61250.0,"total_display":"61,250.00","shares_owned_after":725735.0,"shares_owned_after_display":"725,735","ownership_form":"D","is_10b5_1":null,"transaction_date":"2023-10-26","filed_date":"2023-10-26","scope":"insider"},{"id":8296762,"accession":"0001209191-23-053691","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001209191-23-053691","line_url":"/filing/0001209191-23-053691#line-1","is_derivative":false,"issuer_cik":"0001827506","issuer_name":"Tourmaline Bio, Inc.","issuer_ticker":"TRML","issuer_name_source":null,"issuer_url":"/issuer/0001827506","owner_cik":"0001945691","owner_name":"Kulkarni Sandeep Chidambar","owner_url":"/insider/0001945691","role":"Director, Officer (CEO)","officer_title":"CEO","security_title":"Common Stock","transaction_code":"P","transaction_label":"Open-market purchase","open_market":true,"acquired_disposed":"A","direction_word":"acquired","shares":4650.0,"shares_display":"4,650","price_per_share":10.68,"price_display":"10.68","price_state":"stated","total_value":49662.0,"total_display":"49,662.00","shares_owned_after":720735.0,"shares_owned_after_display":"720,735","ownership_form":"D","is_10b5_1":null,"transaction_date":"2023-10-24","filed_date":"2023-10-26","scope":"insider"}],"next_cursor":null,"ledger_fault":false,"count":{"value":6,"kind":"exact"},"open_market_only":false,"composition":{"kind":"exact","rows":[{"code":"P","label":"Open-market purchase","n":6,"open_market":true},{"code":"S","label":"Open-market sale","n":0,"open_market":true},{"code":"M","label":"Option exercise","n":0,"open_market":false},{"code":"A","label":"Grant or award","n":0,"open_market":false},{"code":"F","label":"Tax withholding","n":0,"open_market":false},{"code":"D","label":"Disposition to the issuer","n":0,"open_market":false},{"code":"X","label":"In-the-money option exercise","n":0,"open_market":false}],"total":6},"affiliations":[{"type":"issuer","type_label":"ISSUER","cik":"0002112457","name":"Amanat Acquisition Corp.","url":"/issuer/0002112457","role":"Director, Officer (Director and Chairman), Ten percent owner","n_filings":1,"first_seen":"2026-05-22","last_seen":"2026-05-22"},{"type":"issuer","type_label":"ISSUER","cik":"0001827506","name":"Tourmaline Bio, Inc.","url":"/issuer/0001827506","role":"Director, Officer (CEO)","n_filings":4,"first_seen":"2023-10-26","last_seen":"2024-08-22"}],"order_statement":"Newest transaction date first, id breaking the tie.","canonical_url":"https://ebomi.com/insider/0001945691","retrieved_at":"2026-08-21T02:02:57+00:00","coverage":{"filings":1505395,"transactions":4290787,"issuers":28597,"insiders":152303,"first_filed_date":"2003-06-30","last_filed_date":"2026-08-19","last_ingest":"2026-08-20T05:22:56.381658+00:00","counts_are":{"filings":"estimate","transactions":"estimate","issuers":"estimate","insiders":"estimate"},"source":"SEC EDGAR Form 4 filings, parsed by ebomi","fault":false},"license":{"underlying_records":"US SEC filings are public records of the United States government and are not subject to copyright. The transactional facts in them are not ours to license.","this_presentation":"The parsing, normalisation, curation, and presentation are ebomi's own work.","grant":"undecided","grant_note":"The open licence for ebomi's own layer is an open owner decision (SPEC-20260731T1159Z open question 3: CC BY 4.0 or CC0 with a citation request). Until it is taken, no grant is asserted here.","citation_request":"Balogh, A. Insider trading. Scientific Data 10, 237 (2023)","url":"https://ebomi.com/license"},"fair_use":{"policy":"These JSON endpoints are open and unauthenticated. Please read them at a human pace, identify your client in the User-Agent header, and use the published dataset for bulk work rather than crawling page by page.","bulk_alternative":"doi:10.1038/s41597-023-02147-6"}}