{"transactions":[{"id":4638314,"issuer":{"id":9903,"kind":"organization","name":"Deep Isolation Nuclear, Inc.","symbol":"DBHL"},"owners":[{"id":74536,"kind":"person","name":"Baltzer Rodney","position":1,"cik":"0002080757","reported_name":"Baltzer Rodney","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President and CEO"}}],"security":"Stock Option (right to buy)","published_at":"2026-10-09T00:27:53.000Z","date":"2026-10-06","kind":"grant","planned":false,"acquired":true,"shares":38526,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"security","element":"securityTitle","label":"F2","text":"Represents a grant of incentive stock option pursuant to the Deep Isolation Nuclear, Inc. 2025 Equity Incentive Plan. The option shall vest as follows: 22,500 option shares on September 29, 2027, with the remaining option shares vesting in monthly installments on the 29th day of each month (or the last day of the month, if earlier) from January through September of each of 2028, 2029 and 2030, in each case subject to the Reporting Person's continued service through each vesting date."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F3","text":"Represents a grant of non-qualified stock option pursuant to the Deep Isolation Nuclear, Inc. 2025 Equity Incentive Plan. The option shall vest as follows: 10,435 option shares on September 29, 2027, 2,201 option shares on September 29, 2028 and 1,190 option shares on September 29, 2029, with the remaining option shares vesting in monthly installments of 2,744 or 2,745 option shares on each of October 29, November 29 and December 29 of 2027, 2028 and 2029, in each case subject to the Reporting Person's continued service through each vesting date."}],"balance_after":38526,"derivative":{"exercise_price":3.5,"expiration_date":"2036-09-29","underlying":"Common Stock","underlying_shares":38526},"source":{"system":"sec-edgar","filing":"0001213900-26-108161","document":"ownership.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/2080757/000121390026108161/ownership.xml","form_type":"4"}},{"id":4638313,"issuer":{"id":9903,"kind":"organization","name":"Deep Isolation Nuclear, Inc.","symbol":"DBHL"},"owners":[{"id":74536,"kind":"person","name":"Baltzer Rodney","position":1,"cik":"0002080757","reported_name":"Baltzer Rodney","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President and CEO"}}],"security":"Stock Option (right to buy)","published_at":"2026-10-09T00:27:53.000Z","date":"2026-10-06","kind":"grant","planned":false,"acquired":true,"shares":93212,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"security","element":"securityTitle","label":"F2","text":"Represents a grant of incentive stock option pursuant to the Deep Isolation Nuclear, Inc. 2025 Equity Incentive Plan. The option shall vest as follows: 22,500 option shares on September 29, 2027, with the remaining option shares vesting in monthly installments on the 29th day of each month (or the last day of the month, if earlier) from January through September of each of 2028, 2029 and 2030, in each case subject to the Reporting Person's continued service through each vesting date."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"Represents a grant of incentive stock option pursuant to the Deep Isolation Nuclear, Inc. 2025 Equity Incentive Plan. The option shall vest as follows: 22,500 option shares on September 29, 2027, with the remaining option shares vesting in monthly installments on the 29th day of each month (or the last day of the month, if earlier) from January through September of each of 2028, 2029 and 2030, in each case subject to the Reporting Person's continued service through each vesting date."}],"balance_after":93212,"derivative":{"exercise_price":3.5,"expiration_date":"2036-09-29","underlying":"Common Stock","underlying_shares":93212},"source":{"system":"sec-edgar","filing":"0001213900-26-108161","document":"ownership.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/2080757/000121390026108161/ownership.xml","form_type":"4"}},{"id":4638312,"issuer":{"id":9903,"kind":"organization","name":"Deep Isolation Nuclear, Inc.","symbol":"DBHL"},"owners":[{"id":74536,"kind":"person","name":"Baltzer Rodney","position":1,"cik":"0002080757","reported_name":"Baltzer Rodney","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President and CEO"}}],"security":"Common Stock","published_at":"2026-10-09T00:27:53.000Z","date":"2026-10-06","kind":"grant","planned":false,"acquired":true,"shares":82054,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"security","element":"securityTitle","label":"F1","text":"Represents a grant of restricted stock units (\"RSUs\") to the Reporting Person pursuant to the Deep Isolation Nuclear, Inc. 2025 Equity Incentive Plan. Each RSU represents a contingent right to receive one share of common stock upon vesting. The RSUs shall vest as follows: 20,514 RSUs on September 29, 2027, 20,513 RSUs on September 29, 2028, 20,514 RSUs on September 29, 2029 and 20,513 RSUs on September 29, 2030, subject to the Reporting Person's continued service through each vesting date."}],"balance_after":1161764,"source":{"system":"sec-edgar","filing":"0001213900-26-108161","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/2080757/000121390026108161/ownership.xml","form_type":"4"}},{"id":1023887,"issuer":{"id":9903,"kind":"organization","name":"Deep Isolation Nuclear, Inc.","symbol":"DBHL"},"owners":[{"id":74536,"kind":"person","name":"Baltzer Rodney","position":1,"cik":"0002080757","reported_name":"Baltzer Rodney","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President and CEO"}}],"security":"Stock Option (Right to Buy)","published_at":"2025-10-03T20:00:21.000Z","date":"2025-10-01","kind":"grant","planned":false,"acquired":true,"shares":28333,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"The Stock Option is subject to a 4-year vesting schedule, whereby 1/48th of the option shares will vest monthly beginning on October 1, 2025, subject to Reporting Person's continued service through each vesting date."}],"balance_after":28333,"derivative":{"exercise_price":3,"expiration_date":"2035-10-01","underlying":"Common Shares","underlying_shares":28333},"source":{"system":"sec-edgar","filing":"0001213900-25-096054","document":"ownership.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1918080/000121390025096054/ownership.xml","form_type":"4"}},{"id":1023886,"issuer":{"id":9903,"kind":"organization","name":"Deep Isolation Nuclear, Inc.","symbol":"DBHL"},"owners":[{"id":74536,"kind":"person","name":"Baltzer Rodney","position":1,"cik":"0002080757","reported_name":"Baltzer Rodney","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President and CEO"}}],"security":"Common Stock","published_at":"2025-10-03T20:00:21.000Z","date":"2025-10-01","kind":"grant","planned":false,"acquired":true,"shares":85000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Represents the grant of restricted stock units (\"RSUs\"). Each RSU represents a contingent right to receive one share of the Issuer's common stock upon settlement. The RSUs are subject to a 4-year vesting period, whereby 1/48th of the RSUs will vest monthly beginning October 1, 2025, subject to the Reporting Person's continuous service through each vesting date."}],"balance_after":1079710,"source":{"system":"sec-edgar","filing":"0001213900-25-096054","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1918080/000121390025096054/ownership.xml","form_type":"4"}}]}