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Sionna Therapeutics, Inc.
SIONNasdaqCIK: 0002036042
Over the 50 most recent insider filings, Sionna Therapeutics, Inc. (SION) has seen activity from 16 distinct insiders — all of them on the sell side. The activity is heavily weighted toward selling: $0 bought versus $183.5M sold, net sales of $183.5M. Thompson Peter A. (Director) is the most active by dollar volume, and the single largest transaction was $22.9M by ORBIMED ADVISORS LLC. All figures are drawn from official SEC Form 3, 4, and 5 disclosures and update as new filings arrive.
Total Volume
$245.1M
Purchases
$0
Sales
$183.5M
Unique Insiders
16
Recent Insider Trades
50 loaded
| Sep 18 | SION Sionna Therapeutics, Inc. | Fitzpatrick Jennifer | CLO and Head of Program Mgmt. | Grant | $4.0M |
| Sep 18 | SION Sionna Therapeutics, Inc. | Cloonan Michael | President & CEO, Director | Grant | $17.1M |
| Sep 18 | SION Sionna Therapeutics, Inc. | Ridloff Elena | CFO and CBO | Grant | $6.5M |
| Sep 18 | SION Sionna Therapeutics, Inc. | McKee Charlotte | CMO and Head of R&D | Grant | $6.1M |
| Sep 21 | SION Sionna Therapeutics, Inc. | RA CAPITAL MANAGEMENT, L.P. | Insider | Sell | $21.8M |
| Jul 9 | SION Sionna Therapeutics, Inc. | ORBIMED ADVISORS LLC | Director | Sell | $3.9M |
| Jul 9 | SION Sionna Therapeutics, Inc. | Thompson Peter A. | Director | Sell | $3.9M |
| Jul 7 | SION Sionna Therapeutics, Inc. | Fitzpatrick Jennifer | Chief Legal Officer | Sell | $446.9K |
| Jul 2 | SION Sionna Therapeutics, Inc. | ORBIMED ADVISORS LLC | Director | Sell | $5.3M |
| Jul 2 | SION Sionna Therapeutics, Inc. | Thompson Peter A. | Director | Sell | $5.3M |
| Jun 18 | SION Sionna Therapeutics, Inc. | Clancy Paul J | Director | Award | $636.9K |
| Jun 18 | SION Sionna Therapeutics, Inc. | Thompson Peter A. | Director | Award | $636.9K |
| Jun 18 | SION Sionna Therapeutics, Inc. | Viney Joanne L. | Director | Award | $636.9K |
| Jun 18 | SION Sionna Therapeutics, Inc. | Ruddy Marcella K. | Director | Award | $636.9K |
| Jun 18 | SION Sionna Therapeutics, Inc. | Booth Bruce | Director | Award | $636.9K |
| Jun 18 | SION Sionna Therapeutics, Inc. | RA CAPITAL MANAGEMENT, L.P. | Insider | Award | $636.9K |
| Jun 18 | SION Sionna Therapeutics, Inc. | Resnick Joshua | Director | Award | $636.9K |
| Jun 18 | SION Sionna Therapeutics, Inc. | Stelzer Laurie | Director | Award | $636.9K |
| Jun 18 | SION Sionna Therapeutics, Inc. | Fleming Harold Edward | Director | Award | $636.9K |
| May 29 | SION Sionna Therapeutics, Inc. | ORBIMED ADVISORS LLC | Director | Sell | $4.5K |
| May 29 | SION Sionna Therapeutics, Inc. | Thompson Peter A. | Director | Sell | $4.5K |
| May 11 | SION Sionna Therapeutics, Inc. | ORBIMED ADVISORS LLC | Director | Sell | $13.4M |
| May 11 | SION Sionna Therapeutics, Inc. | Thompson Peter A. | Director | Sell | $13.4M |
| Apr 21 | SION Sionna Therapeutics, Inc. | ORBIMED ADVISORS LLC | Director | Sell | $2.5M |
| Apr 21 | SION Sionna Therapeutics, Inc. | Thompson Peter A. | Director | Sell | $2.5M |
| Apr 16 | SION Sionna Therapeutics, Inc. | ORBIMED ADVISORS LLC | Director | Sell | $22.9M |
| Apr 16 | SION Sionna Therapeutics, Inc. | Thompson Peter A. | Director | Sell | $22.9M |
| Feb 4 | SION Sionna Therapeutics, Inc. | Thompson Peter A. | Director | Sell | $1.4M |
| Feb 4 | SION Sionna Therapeutics, Inc. | ORBIMED ADVISORS LLC | Director | Sell | $1.4M |
| Jan 26 | SION Sionna Therapeutics, Inc. | TPG GP A, LLC | 10% Owner | Sell | $10.0M |
| Jan 6 | SION Sionna Therapeutics, Inc. | Ridloff Elena | CFO | Award | $6.5M |
| Jan 6 | SION Sionna Therapeutics, Inc. | McKee Charlotte | Chief Medical Officer | Award | $6.1M |
| Dec 29 | SION Sionna Therapeutics, Inc. | Thompson Peter A. | Director | Sell | $1.5M |
| Dec 29 | SION Sionna Therapeutics, Inc. | ORBIMED ADVISORS LLC | Director | Sell | $1.5M |
| Dec 9 | SION Sionna Therapeutics, Inc. | Fitzpatrick Jennifer | Chief Legal Officer | Sell | $415.3K |
| Nov 26 | SION Sionna Therapeutics, Inc. | ORBIMED ADVISORS LLC | Director | Sell | $4.8M |
| Nov 26 | SION Sionna Therapeutics, Inc. | Thompson Peter A. | Director | Sell | $4.8M |
| Nov 24 | SION Sionna Therapeutics, Inc. | RA CAPITAL MANAGEMENT, L.P. | Insider | Sell | $1.2M |
| Nov 19 | SION Sionna Therapeutics, Inc. | RA CAPITAL MANAGEMENT, L.P. | Insider | Sell | $5.5M |
| Oct 28 | SION Sionna Therapeutics, Inc. | RA CAPITAL MANAGEMENT, L.P. | Insider | Sell | $14.8M |
| Oct 21 | SION Sionna Therapeutics, Inc. | Booth Bruce | Insider | Sell | $3.0M |
| Oct 22 | SION Sionna Therapeutics, Inc. | Cloonan Michael | President & CEO, Director | Sell | $3.6M |
| Oct 17 | SION Sionna Therapeutics, Inc. | Cloonan Michael | President & CEO, Director | Sell | $788.2K |
| Oct 15 | SION Sionna Therapeutics, Inc. | Booth Bruce | Insider | Sell | $5.9M |
| Oct 7 | SION Sionna Therapeutics, Inc. | Booth Bruce | Insider | Sell | $1.5M |
| Oct 3 | SION Sionna Therapeutics, Inc. | Beer Caroline Stark | Chief Business Officer | Award | $7.3M |
| Oct 3 | SION Sionna Therapeutics, Inc. | Beer Caroline Stark | Chief Business Officer | Other | $0 |
| Oct 1 | SION Sionna Therapeutics, Inc. | Booth Bruce | Insider | Sell | $2.4M |
| Sep 30 | SION Sionna Therapeutics, Inc. | Cloonan Michael | President & CEO, Director | Sell | $727.8K |
| Sep 5 | SION Sionna Therapeutics, Inc. | Fitzpatrick Jennifer | Chief Legal Officer | Sell | $237.0K |
50 filings+