Tourmaline Bio, Inc. (TRML) is a publicly traded company in the Unknown sector. Across all available filings, 11 corporate insiders have executed 50 transactions totaling $4.0M, demonstrating a bullish sentiment with $4.0M in net insider flow. The most recent transaction on Oct 28, 2025 involved a transaction of 724,664 shares valued at $0.
No significant insider buying has been recorded for TRML in the recent period.
No significant insider selling has been recorded for TRML in the recent period.
Based on recent SEC filings, insider sentiment for TRML is bullish with an Insider Alignment Score of 100/100 and a net flow of $4.0M. Insiders are accumulating shares, which historically signals confidence in the company's future performance.
Insider trading at Tourmaline Bio, Inc. (TRML) refers to stock transactions made by corporate insiders—executives, directors, and beneficial owners holding more than 10% of the company's shares. These individuals have access to material non-public information and are required by law to report their trades to the SEC within two business days. Currently, 11 insiders are actively trading TRML stock, having executed 50 transactions in the past 90 days. The most active insider is Mark Mcdade (Executive), who has made 7 transactions totaling $3.3M.
Get notified when executives and directors at TRML file new Form 4 transactions
Date | Insider | Title | Type | Shares | Price | Value | Flags |
|---|---|---|---|---|---|---|---|
| Oct 28, 2025 | Chidambar Kulkarni Sandeep | Executive | Tender | 724,664 | $N/A | $0 | |
| Oct 28, 2025 | Chidambar Kulkarni Sandeep | Executive | Disposition | 30,387 | $N/A | $0 | |
| Oct 28, 2025 | Chidambar Kulkarni Sandeep | Executive | Tender | 7,000 | $N/A | $0 | |
| Oct 28, 2025 | F. Robinson Ryan | Executive | Tender | 14,366 | $N/A | $0 | |
| Oct 28, 2025 | Bradford Middlekauff W. | Executive | Disposition | 8,213 | $N/A | $0 | |
| Oct 28, 2025 | Bradford Middlekauff W. | Executive | Tender | 60,988 | $N/A | $0 | |
| Oct 28, 2025 | Dana Jones Susan | Executive | Disposition | 3,152 | $N/A | $0 | |
| Oct 28, 2025 | Dana Jones Susan | Executive | Tender | 19,782 | $N/A | $0 | |
| Oct 28, 2025 | Bruce Johnson Kevin | Executive | Disposition | 11,046 | $N/A | $0 | |
| Oct 28, 2025 | Bruce Johnson Kevin | Executive | Tender | 40,538 | $N/A | $0 | |
| Oct 28, 2025 | Castelein Caley | Executive | Tender | 431,939 | $N/A | $0 | |
| Oct 28, 2025 | Castelein Caley | Executive | Tender | 515,997 | $N/A | $0 | |
| Oct 28, 2025 | Kantoff Aaron | Executive | Tender | 88,281 | $N/A | $0 | |
| Oct 28, 2025 | Mcdade Mark | Executive | Tender | 518 | $N/A | $0 | |
| Oct 28, 2025 | Mcdade Mark | Executive | Tender | 183,177 | $N/A | $0 |
| TYPE | COUNT | VALUE | % |
|---|---|---|---|
Purchase(P) | 12 | $4.0M | 88.9% |
Exercise(M) | 4 | $499.5K | 11.1% |
Tender(U) | 15 | $0 | 0.0% |
Disposition(D) | 4 | $0 | 0.0% |
Gift(G) | 3 | $0 | 0.0% |
Award(A) | 12 | $0 | 0.0% |
Insiders at Tourmaline Bio, Inc. are accumulating shares at an accelerated pace. With 11 insiders making 50 transactions totaling $4.0M in purchases versus $0 in sales, the net buying activity of $4.0M signals strong executive confidence. Mark Mcdade (Executive) leads the buying activity with $3.3M in transactions across all time.