Real time insider trading transaction history:
- Insiders are prohibited from making short-swing profits by trading their shares within 6 months of the registration or acquiring the shares.
- Shares are not adjusted for stock split.
"Insiders might sell their shares for any number of reasons, but they buy them for only one: they think the price will rise"
- Peter Lynch
What is insider trading>>
- Peter Lynch
What is insider trading>>
Common stock purchase or sale:
| Transaction Date | Reported DateTime | Company | Symbol | Insider Relationship | Shares Traded | Average Price | Total Amount | Shares Owned | Filing |
| 2026-05-27 Sale | 2026-05-29 9:02 pm | Sionna Therapeutics Inc. | SION | Thompson Peter A. Director | 101 | $44.49 | $4,493 | 2,671,721 (Indirect) | View |
| 2026-05-27 Sale | 2026-05-29 8:57 pm | Sionna Therapeutics Inc. | SION | ORBIMED ADVISORS LLC OrbiMed Capital GP VIII LLC Director | 101 | $44.49 | $4,493 | 2,671,721 (Indirect) | View |
| 2026-05-07 Sale | 2026-05-11 7:14 pm | Sionna Therapeutics Inc. | SION | Thompson Peter A. Director | 292,952 | $45.62 | $13,364,065 | 2,671,822 (Indirect) | View |
| 2026-05-07 Sale | 2026-05-11 6:58 pm | Sionna Therapeutics Inc. | SION | ORBIMED ADVISORS LLC OrbiMed Capital GP VIII LLC Director | 292,952 | $45.62 | $13,364,065 | 2,671,822 (Indirect) | View |
| 2026-04-17 Sale | 2026-04-21 8:42 pm | Sionna Therapeutics Inc. | SION | Thompson Peter A. Director | 55,345 | $44.67 | $2,472,343 | 2,964,774 (Indirect) | View |
| 2026-04-17 Sale | 2026-04-21 8:40 pm | Sionna Therapeutics Inc. | SION | ORBIMED ADVISORS LLC OrbiMed Capital GP VIII LLC Director | 55,345 | $44.67 | $2,472,343 | 2,964,774 (Indirect) | View |
| 2026-04-14 Sale | 2026-04-16 7:15 pm | Sionna Therapeutics Inc. | SION | Thompson Peter A. Director | 510,583 | $44.94 | $22,945,044 | 3,020,119 (Indirect) | View |
| 2026-04-14 Sale | 2026-04-16 7:03 pm | Sionna Therapeutics Inc. | SION | ORBIMED ADVISORS LLC OrbiMed Capital GP VIII LLC Director | 510,583 | $44.94 | $22,945,044 | 3,020,119 (Indirect) | View |
| 2026-03-05 Sale | 2026-03-06 6:56 pm | Sionna Therapeutics Inc. | SION | Fitzpatrick Jennifer Chief Legal Officer | 10,250 | $33.86 | $347,019 | 50,935 (Direct) | View |
| 2026-02-02 Sale | 2026-02-04 7:43 pm | Sionna Therapeutics Inc. | SION | Thompson Peter A. Director | 30,953 | $44.58 | $1,379,866 | 3,530,702 (Indirect) | View |
| 2026-02-02 Sale | 2026-02-04 7:39 pm | Sionna Therapeutics Inc. | SION | ORBIMED ADVISORS LLC OrbiMed Capital GP VIII LLC Director | 30,953 | $44.58 | $1,379,866 | 3,530,702 (Indirect) | View |
| 2026-01-22 Sale | 2026-01-26 5:24 pm | Sionna Therapeutics Inc. | SION | TPG GP A LLC COULTER JAMES G WINKELRIED JON 10% Owner | 250,000 | $40 | $10,000,000 | 6,494,962 (Indirect) | View |
| 2025-12-24 Sale | 2025-12-29 8:44 pm | Sionna Therapeutics Inc. | SION | ORBIMED ADVISORS LLC OrbiMed Capital GP VIII LLC Director | 33,356 | $44.55 | $1,486,010 | 3,561,655 (Indirect) | View |
| 2025-12-24 Sale | 2025-12-29 8:42 pm | Sionna Therapeutics Inc. | SION | Thompson Peter A. Director | 33,356 | $44.55 | $1,486,010 | 3,561,655 (Indirect) | View |
| 2025-12-17 Sale | 2025-12-19 7:29 pm | Sionna Therapeutics Inc. | SION | ORBIMED ADVISORS LLC OrbiMed Capital GP VIII LLC Director | 1,875 | $44.49 | $83,428 | 3,595,011 (Indirect) | View |
| 2025-12-17 Sale | 2025-12-19 7:24 pm | Sionna Therapeutics Inc. | SION | Thompson Peter A. Director | 1,875 | $44.49 | $83,428 | 3,595,011 (Indirect) | View |
| 2025-12-05 Sale | 2025-12-09 4:57 pm | Sionna Therapeutics Inc. | SION | Fitzpatrick Jennifer Chief Legal Officer | 10,250 | $40.52 | $415,330 | 61,185 (Direct) | View |
| 2025-11-24 Sale | 2025-11-26 6:45 pm | Sionna Therapeutics Inc. | SION | ORBIMED ADVISORS LLC OrbiMed Capital GP VIII LLC Director | 108,073 | $44.55 | $4,814,205 | 3,596,886 (Indirect) | View |
| 2025-11-24 Sale | 2025-11-26 6:41 pm | Sionna Therapeutics Inc. | SION | Thompson Peter A. Director | 108,073 | $44.55 | $4,814,205 | 3,596,886 (Indirect) | View |
| 2025-11-20 Sale | 2025-11-24 5:43 pm | Sionna Therapeutics Inc. | SION | RA CAPITAL MANAGEMENT L.P. RA Capital Healthcare Fund LP RA Capital Nexus Fund L.P. RA Capital Nexus Fund III L.P. Kolchinsky Peter Shah Rajeev M. Director 10% Owner | 30,316 | $39.61 | $1,200,704 | 159,033 (Indirect) | View |
| 2025-11-17 Sale | 2025-11-19 8:43 pm | Sionna Therapeutics Inc. | SION | RA CAPITAL MANAGEMENT L.P. RA Capital Healthcare Fund LP RA Capital Nexus Fund L.P. RA Capital Nexus Fund III L.P. Kolchinsky Peter Shah Rajeev M. Director 10% Owner | 136,351 | $40.34 | $5,500,158 | 168,193 (Indirect) | View |
| 2025-10-24 Sale | 2025-10-28 9:05 pm | Sionna Therapeutics Inc. | SION | RA CAPITAL MANAGEMENT L.P. RA Capital Healthcare Fund LP RA Capital Nexus Fund L.P. RA Capital Nexus Fund III L.P. Kolchinsky Peter Shah Rajeev M. Director 10% Owner | 373,610 | $39.51 | $14,762,604 | 209,391 (Indirect) | View |
| 2025-10-21 Sale | 2025-10-22 5:39 pm | Sionna Therapeutics Inc. | SION | Cloonan Michael President & CEO | 99,800 | $36.26 | $3,618,560 | 936,346 (Direct) | View |
| 2025-10-21 Sale | 2025-10-21 5:12 pm | Sionna Therapeutics Inc. | SION | Booth Bruce Director | 88,878 | $34.22 | $3,041,683 | 686,567 (Indirect) | View |
| 2025-10-16 Sale | 2025-10-20 9:39 pm | Sionna Therapeutics Inc. | SION | Booth Bruce Director | 286,369 | $32.3 | $9,251,102 | 701,985 (Indirect) | View |
| 2025-10-15 Sale | 2025-10-17 5:11 pm | Sionna Therapeutics Inc. | SION | Cloonan Michael President & CEO | 25,200 | $31.28 | $788,153 | 1,016,794 (Direct) | View |
Stock options: Exercise, Award, Grant, Conversion
| Transaction Date | Reported DateTime | Exercisable Expiration | Company | Symnbol | Insider Relationship | Shares Traded | Conversion Price | Shares Owned | Filing |
| 2026-06-17 Option Award | 2026-06-18 5:58 pm | N/A 2036-06-16 | Sionna Therapeutics Inc. | SION | Stelzer Laurie Director | 17,340 | $0 | 17,340 (Direct) | View |
| 2026-06-17 Option Award | 2026-06-18 5:48 pm | N/A 2036-06-16 | Sionna Therapeutics Inc. | SION | Viney Joanne L. Director | 17,340 | $0 | 17,340 (Direct) | View |
| 2026-06-17 Option Award | 2026-06-18 5:45 pm | N/A 2036-06-16 | Sionna Therapeutics Inc. | SION | Thompson Peter A. Director | 17,340 | $0 | 17,340 (Direct) | View |
| 2026-06-17 Option Award | 2026-06-18 5:41 pm | N/A 2036-06-16 | Sionna Therapeutics Inc. | SION | RA CAPITAL MANAGEMENT L.P. RA Capital Healthcare Fund LP RA Capital Nexus Fund L.P. RA Capital Nexus Fund III L.P. Kolchinsky Peter Shah Rajeev M. Director 10% Owner | 17,340 | $0 | 17,340 (Indirect) | View |
| 2026-06-17 Option Award | 2026-06-18 5:39 pm | N/A 2036-06-16 | Sionna Therapeutics Inc. | SION | Ruddy Marcella K. Director | 17,340 | $0 | 17,340 (Direct) | View |
| 2026-06-17 Option Award | 2026-06-18 5:37 pm | N/A 2036-06-16 | Sionna Therapeutics Inc. | SION | Resnick Joshua Director | 17,340 | $0 | 17,340 (Direct) | View |
| 2026-06-17 Option Award | 2026-06-18 5:35 pm | N/A 2036-06-16 | Sionna Therapeutics Inc. | SION | Fleming Harold Edward Director | 17,340 | $0 | 17,340 (Direct) | View |
| 2026-06-17 Option Award | 2026-06-18 5:33 pm | N/A 2036-06-16 | Sionna Therapeutics Inc. | SION | Clancy Paul J Director | 17,340 | $0 | 17,340 (Direct) | View |
| 2026-06-17 Option Award | 2026-06-18 5:29 pm | N/A 2036-06-16 | Sionna Therapeutics Inc. | SION | Booth Bruce Director | 17,340 | $0 | 17,340 (Direct) | View |
| 2026-03-05 Exercise | 2026-03-06 6:56 pm | N/A 2034-07-14 | Sionna Therapeutics Inc. | SION | Fitzpatrick Jennifer Chief Legal Officer | 10,250 | $0 | 50,935 (Direct) | View |
| 2026-03-05 Exercise | 2026-03-06 6:56 pm | N/A N/A | Sionna Therapeutics Inc. | SION | Fitzpatrick Jennifer Chief Legal Officer | 10,250 | $6.11 | 50,935 (Direct) | View |
| 2026-01-02 Option Award | 2026-01-06 4:26 pm | N/A 2036-01-01 | Sionna Therapeutics Inc. | SION | McKee Charlotte Chief Medical Officer | 155,700 | $0 | 155,700 (Direct) | View |
| 2026-01-02 Option Award | 2026-01-06 4:24 pm | N/A 2036-01-01 | Sionna Therapeutics Inc. | SION | Fitzpatrick Jennifer Chief Legal Officer | 103,140 | $0 | 103,140 (Direct) | View |
| 2026-01-02 Option Award | 2026-01-06 4:19 pm | N/A 2036-01-01 | Sionna Therapeutics Inc. | SION | Cloonan Michael President & CEO | 436,100 | $0 | 436,100 (Direct) | View |
| 2026-01-02 Option Award | 2026-01-06 4:14 pm | N/A 2036-01-01 | Sionna Therapeutics Inc. | SION | Beer Caroline Stark Chief Business Officer | 139,340 | $0 | 139,340 (Direct) | View |
| 2026-01-02 Option Award | 2026-01-06 4:11 pm | N/A 2036-01-01 | Sionna Therapeutics Inc. | SION | Ridloff Elena CFO | 165,440 | $0 | 165,440 (Direct) | View |
| 2025-12-05 Exercise | 2025-12-09 4:57 pm | N/A 2034-07-14 | Sionna Therapeutics Inc. | SION | Fitzpatrick Jennifer Chief Legal Officer | 10,250 | $0 | 61,185 (Direct) | View |
| 2025-12-05 Exercise | 2025-12-09 4:57 pm | N/A N/A | Sionna Therapeutics Inc. | SION | Fitzpatrick Jennifer Chief Legal Officer | 10,250 | $6.11 | 61,185 (Direct) | View |
| 2025-10-21 Exercise | 2025-10-22 5:39 pm | N/A 2032-03-01 | Sionna Therapeutics Inc. | SION | Cloonan Michael President & CEO | 99,800 | $0 | 936,346 (Direct) | View |
| 2025-10-21 Exercise | 2025-10-22 5:39 pm | N/A N/A | Sionna Therapeutics Inc. | SION | Cloonan Michael President & CEO | 99,800 | $6.11 | 936,346 (Direct) | View |
| 2025-10-15 Exercise | 2025-10-17 5:11 pm | N/A 2032-03-01 | Sionna Therapeutics Inc. | SION | Cloonan Michael President & CEO | 25,200 | $0 | 1,016,794 (Direct) | View |
| 2025-10-15 Exercise | 2025-10-17 5:11 pm | N/A N/A | Sionna Therapeutics Inc. | SION | Cloonan Michael President & CEO | 25,200 | $6.11 | 1,016,794 (Direct) | View |