NASDAQ:DAWN

Day One Biopharmaceuticals Stock Insider Trading

Healthcare > Biotechnology

Buy DAWN

*Your capital is at risk

$21.53

+0 (+0%)

At Close: Jun 03, 2026

Day One Biopharmaceuticals Stock Insider Power

Based on the 100 latest insides trades, we have calculated the insider power to be negative at -88.43. In total, the insiders bought 2.06M and sold 18.5M DAWN shares in the last 100 trades. The insider score can be negative despite buy/sell ratio being positive. The score focuses on the quality of the trades.

Insider Power (Last 100 transactions)	-88.43
● Buy	2.06M shares
● Sell	18.5M shares
47% Buy Activity Moderate Negative Correlation
Sell Signal High Confidence Apr 23, 2026 Analysis Breakdown: Strongly supported by a very low Insider Power Score of -88.43. Partially supported by a negative historical correlation. Confidence increased due to high data reliability score of 100.

Historical Insider Trades

Date	Type	Person	Role	Amount
Apr 23, 2026 Sell	Restricted Stock Unit (RSU) D-Return	Nicholson Garry A Director	Director	15 000 Value: $0
Apr 23, 2026 Sell	Stock Option (right to buy Common Stock) D-Return	Grossman William Director	Director	32 335 Value: $290.7K
Apr 23, 2026 Sell	Restricted Stock Unit (RSU) D-Return	Grossman William Director	Director	15 000 Value: $0
Apr 23, 2026 Sell	Stock Option (right to buy Common Stock) D-Return	Grossman William Director	Director	22 500 Value: $157.7K
Apr 23, 2026 Sell	Restricted Stock Unit (RSU) D-Return	Dable Habib J Director	Director	15 000 Value: $0
Apr 23, 2026 Sell	Stock Option (right to buy Common Stock) D-Return	Dable Habib J Director	Director	22 500 Value: $157.7K
Apr 23, 2026 Sell	Stock Option (right to buy Common Stock) D-Return	Dable Habib J Director	Director	32 335 Value: $290.7K
Apr 23, 2026 Sell	Common Stock D-Return	Holles Natalie C. Director	Director	57 310 Value: $6
Apr 23, 2026 Sell	Stock Option (right to buy Common Stock) D-Return	Dubow Adam Gen Counsel & Secretary	Officer	105 000 Value: $1.17M
Apr 23, 2026 Sell	Common Stock D-Return	Dubow Adam Gen Counsel & Secretary	Officer	72 694 Value: $7
Apr 23, 2026 Sell	Stock Option (right to buy Common Stock) D-Return	Merendino Lauren Chief Commercial Officer	Officer	110 000 Value: $1.23M
Apr 23, 2026 Sell	Common Stock D-Return	Merendino Lauren Chief Commercial Officer	Officer	60 157 Value: $6
Apr 23, 2026 Sell	Stock Option (right to buy Common Stock) D-Return	Nicholson Garry A Director	Director	32 335 Value: $290.7K
Apr 23, 2026 Sell	Restricted Stock Unit (RSU) D-Return	Garland J. Scott Director	Director	15 000 Value: $0
Apr 23, 2026 Sell	Stock Option (right to buy Common Stock) D-Return	Garland J. Scott Director	Director	22 500 Value: $157.7K
Apr 23, 2026 Sell	Stock Option (right to buy Common Stock) D-Return	Garland J. Scott Director	Director	32 335 Value: $290.7K
Apr 23, 2026 Sell	Stock Option (right to buy Common Stock) D-Return	Holles Natalie C. Director	Director	22 500 Value: $157.7K
Apr 23, 2026 Sell	Restricted Stock Unit (RSU) D-Return	Holles Natalie C. Director	Director	15 000 Value: $0
Apr 23, 2026 Sell	Common Stock D-Return	Ramasastry Saira Director	Director	40 485 Value: $4
Apr 23, 2026 Sell	Stock Option (right to buy Common Stock) D-Return	Ramasastry Saira Director	Director	32 335 Value: $290.7K
Apr 23, 2026 Sell	Stock Option (right to buy Common Stock) D-Return	Ramasastry Saira Director	Director	22 500 Value: $157.7K
Feb 17, 2026 Sell	Common Stock S-Sale	Vasconcelles Michael Head Of Research And Dev.	Officer	2 728 Value: $31.6K
Feb 17, 2026 Sell	Common Stock S-Sale	Dubow Adam Gen Counsel & Secretary	Officer	6 395 Value: $74.2K
Feb 17, 2026 Sell	Common Stock S-Sale	Merendino Lauren Chief Commercial Officer	Officer	5 814 Value: $67.4K
Feb 17, 2026 Sell	Common Stock S-Sale	Bender Jeremy Chief Executive Officer	CEO / President	15 459 Value: $179.3K

About Insider Power

Insider Power is a proprietary algorithm developed by StockInvest.us to evaluate the significance of insider transactions. The calculation considers the size, type, and timing of transactions, as well as the insider’s role within the company.

It is important to note that, in general, there is little to no correlation between insider transactions and short-term stock price movements. In one of our studies, only 0.22%^* of stocks with insider activity showed a measurable correlation — and even then, it was unclear whether the effect was caused by insider actions or simply by the stock’s broader trend.

While our algorithms are designed to highlight potentially meaningful signals, these cannot be regarded as statistically significant on their own. Insider trading activity should therefore be seen as informative rather than as direct trading guidance. The Insider Power metric was created to present this information in a clearer and more accessible way, helping investors better understand the possible context of insider activity.

* October 6th, 2025 - Tested on 5562 stocks