Day One Biopharmaceuticals Inc (DAWN)

Healthcare Pharmaceuticals & Medical Research Biotechnology & Medical Research

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Ticker: DAWN Exchange: NSM


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• Purchase • Sale • Planned purchase • Planned sale Net purchase Net sale
Past 90 days
 
Value bought
 
Value sold
 
Net insiders buying
 
Trades (buy and sell)
Abbreviations B: Buy, S: Sell, PP: Planned purchase, PS: Planned sale, O: Option / Other
Notification date Transaction date B/S Transaction type Insider and/or position Nb. shares
Price
Value 		Number of shares Price Total value Details
2024-04-22 2024-04-18 PS Planned sale

Blackman Samuel C.

HEAD OF R&D

Officer
1,000 -0.8%
16.02
100,000 USD 		1,000 -0.8% 16.02 100,000 USD
2024-03-26 2024-03-25 PS Planned sale

Blackman Samuel C.

HEAD OF R&D

Officer
10,000 -0.8%
16.01
160,055 USD 		10,000 -0.8% 16.01 160,055 USD
2024-03-13 2024-03-11 PS Planned sale

Blackman Samuel C.

HEAD OF R&D

Officer
30,000 -2.4%
15.24
457,314 USD 		30,000 -2.4% 15.24 457,314 USD
2024-02-28 2024-02-27 PS Planned sale

Blackman Samuel C.

HEAD OF R&D

Officer
20,000 -1.6%
16.11
322,166 USD 		20,000 -1.6% 16.11 322,166 USD
2024-02-20 2024-02-16 S Sale

Blackman Samuel C.

HEAD OF RESEARCH AND DEVELOPME

Officer
2,258 -0.2%
15.25
34,430 USD 		2,258 -0.2% 15.25 34,430 USD
2024-02-20 2024-02-16 S Sale

Dubow Adam

GENERAL COUNSEL

Officer
3,242 -16.4%
15.25
49,434 USD 		3,242 -16.4% 15.25 49,434 USD
2024-02-20 2024-02-16 S Sale

York Charles N II

COO, CFO AND SECRETARY

Officer
2,666 -1.0%
15.25
40,651 USD 		2,666 -1.0% 15.25 40,651 USD
2024-02-20 2024-02-16 S Sale

Bender Jeremy

CHIEF EXECUTIVE OFFICER

Executive Director
7,615 -1.0%
15.25
116,114 USD 		7,615 -1.0% 15.25 116,114 USD
2023-11-17 2023-11-16 S Sale

Dubow Adam

General Counsel

Officer
5,313 -31.7%
11.69
62,109 USD 		5,313 -31.7% 11.69 62,109 USD
2023-11-17 2023-11-16 S Sale

Blackman Samuel C.

Head of Research and Developme

Officer
709 -0.1%
11.69
8,288 USD 		709 -0.1% 11.69 8,288 USD
2023-11-17 2023-11-16 S Sale

Bender Jeremy

Chief Executive Officer

Executive Director
3,107 -0.4%
11.69
36,321 USD 		3,107 -0.4% 11.69 36,321 USD
2023-11-17 2023-11-16 S Sale

York Charles N II

COO, CFO and Secretary

Officer
956 -0.4%
11.69
11,176 USD 		956 -0.4% 11.69 11,176 USD
2023-10-20 2023-10-20 B Purchase

AI Day1 LLC

Affiliate of 10% Owner

Major owner
111,387 +0.9%
9.97
1,110,907 USD 		111,387 +0.9% 9.97 1,110,907 USD
2023-10-20 2023-10-19 B Purchase

AI Day1 LLC

Affiliate of 10% Owner

Major owner
384,400 +3.1%
10.06
3,867,372 USD 		384,400 +3.1% 10.06 3,867,372 USD
2023-10-20 2023-10-18 B Purchase

AI Day1 LLC

Affiliate of 10% Owner

Major owner
979,667 +8.6%
10.21
10,000,049 USD 		979,667 +8.6% 10.21 10,000,049 USD
2023-08-17 2023-08-17 S Sale

Blackman Samuel C.

Head of Research and Developme

Officer
668 -0.1%
13.86
9,258 USD 		668 -0.1% 13.86 9,258 USD
2023-08-17 2023-08-17 S Sale

Bender Jeremy

Chief Executive Officer

Executive Director
2,996 -0.4%
13.86
41,525 USD 		2,996 -0.4% 13.86 41,525 USD
2023-08-17 2023-08-17 S Sale

York Charles N II

COO, CFO and Secretary

Officer
922 -0.3%
13.86
12,779 USD 		922 -0.3% 13.86 12,779 USD
2023-06-12 2023-06-09 B Purchase

AI Day1 LLC

Affiliate of 10% Owner

Major owner
769,230 +7.2%
13.00
9,999,990 USD 		769,230 +7.2% 13.00 9,999,990 USD
2023-06-07 2023-06-05 PS Planned sale

Blackman Samuel C.

Chief Medical Officer

Officer
1,229 -0.1%
16.00
19,664 USD 		1,229 -0.1% 16.00 19,664 USD
2023-05-17 2023-05-16 S Sale

Bender Jeremy

Chief Executive Officer

Executive Director
3,104 -0.3%
13.12
40,732 USD 		3,104 -0.3% 13.12 40,732 USD
2023-05-17 2023-05-16 S Sale

Blackman Samuel C.

Chief Medical Officer

Officer
692 -0.1%
13.12
9,081 USD 		692 -0.1% 13.12 9,081 USD
2023-05-17 2023-05-16 S Sale

York Charles N II

COO, CFO and Secretary

Officer
955 -0.4%
13.12
12,532 USD 		955 -0.4% 13.12 12,532 USD
2023-03-14 2023-03-10 PS Planned sale

Blackman Samuel C.

Chief Medical Officer

Officer
10,000 -0.8%
18.05
180,484 USD 		10,000 -0.8% 18.05 180,484 USD
2023-03-08 2023-03-07 PS Planned sale

Bender Jeremy

Chief Executive Officer

Executive Director
12,500 -1.1%
20.01
250,114 USD 		12,500 -1.1% 20.01 250,114 USD
2023-03-03 2023-03-01 PS Planned sale

Grant Julie Papanek

Non-Executive Director
25,000 -7.0%
18.61
465,303 USD 		25,000 -7.0% 18.61 465,303 USD
2023-02-21 2023-02-17 PS Planned sale

York Charles N II

COO, CFO and Secretary

Officer
9,377 -3.5%
20.03
187,790 USD 		9,377 -3.5% 20.03 187,790 USD
2023-02-17 2023-02-16 S Sale

Bender Jeremy

Chief Executive Officer

Executive Director
3,022 -0.3%
19.57
59,150 USD 		3,022 -0.3% 19.57 59,150 USD
2023-02-17 2023-02-16 S Sale

York Charles N II

COO, CFO and Secretary

Officer
930 -0.3%
19.57
18,203 USD 		930 -0.3% 19.57 18,203 USD
2023-02-17 2023-02-16 S Sale

Blackman Samuel C.

Chief Medical Officer

Officer
674 -0.1%
19.57
13,192 USD 		674 -0.1% 19.57 13,192 USD
2023-02-13 2023-02-10 PS Planned sale

Blackman Samuel C.

Chief Medical Officer

Officer
10,000 -0.8%
20.07
200,659 USD 		10,000 -0.8% 20.07 200,659 USD
2023-02-03 2023-02-01 PS Planned sale

Grant Julie Papanek

Non-Executive Director
1,106 -0.3%
21.69
23,988 USD 		1,106 -0.3% 21.69 23,988 USD
2023-02-03 2023-02-01 PS Planned sale

Grant Julie Papanek

Non-Executive Director
23,894 -6.3%
21.21
506,806 USD 		23,894 -6.3% 21.21 506,806 USD
2023-01-24 2023-01-23 PS Planned sale

Bender Jeremy

Chief Executive Officer

Executive Director
12,500 -1.0%
22.00
274,988 USD 		12,500 -1.0% 22.00 274,988 USD
2023-01-23 2023-01-20 PS Planned sale

York Charles N II

COO, CFO and Secretary

Officer
10,000 -3.6%
22.75
227,523 USD 		10,000 -3.6% 22.75 227,523 USD
2023-01-11 2023-01-10 PS Planned sale

Blackman Samuel C.

Chief Medical Officer

Officer
2,500 -0.2%
23.20
58,011 USD 		2,500 -0.2% 23.20 58,011 USD
2023-01-11 2023-01-10 PS Planned sale

Blackman Samuel C.

Chief Medical Officer

Officer
7,500 -0.6%
22.75
170,633 USD 		7,500 -0.6% 22.75 170,633 USD
2023-01-04 2023-01-03 PS Planned sale

Grant Julie Papanek

Non-Executive Director
7,610 -2.0%
21.31
162,174 USD 		7,610 -2.0% 21.31 162,174 USD
2023-01-04 2023-01-03 PS Planned sale

Grant Julie Papanek

Non-Executive Director
17,390 -4.3%
20.36
353,973 USD 		17,390 -4.3% 20.36 353,973 USD
2022-12-22 2022-12-21 PS Planned sale

Bender Jeremy

Chief Executive Officer

Executive Director
12,500 -1.0%
20.32
253,969 USD 		12,500 -1.0% 20.32 253,969 USD
2022-12-22 2022-12-20 PS Planned sale

York Charles N II

COO, CFO and Secretary

Officer
10,000 -3.5%
20.07
200,650 USD 		10,000 -3.5% 20.07 200,650 USD
2022-12-12 2022-12-08 PS Planned sale

Grant Julie Papanek

Non-Executive Director
4,358 -1.1%
22.08
96,210 USD 		4,358 -1.1% 22.08 96,210 USD
2022-12-05 2022-12-02 PS Planned sale

Grant Julie Papanek

Non-Executive Director
5,000 -1.2%
21.55
107,726 USD 		5,000 -1.2% 21.55 107,726 USD
2022-12-05 2022-12-01 PS Planned sale

Blackman Samuel C.

Chief Medical Officer

Officer
900 -0.1%
22.16
19,940 USD 		900 -0.1% 22.16 19,940 USD
2022-12-05 2022-12-01 PS Planned sale

Blackman Samuel C.

Chief Medical Officer

Officer
9,100 -0.7%
21.38
194,590 USD 		9,100 -0.7% 21.38 194,590 USD
2022-12-05 2022-12-01 PS Planned sale

Grant Julie Papanek

Non-Executive Director
240 -0.1%
22.34
5,361 USD 		240 -0.1% 22.34 5,361 USD
2022-12-05 2022-12-01 PS Planned sale

Grant Julie Papanek

Non-Executive Director
4,760 -1.1%
21.72
103,393 USD 		4,760 -1.1% 21.72 103,393 USD
2022-11-22 2022-11-21 PS Planned sale

York Charles N II

COO, CFO and Secretary

Officer
300 -0.1%
21.39
6,417 USD 		300 -0.1% 21.39 6,417 USD
2022-11-22 2022-11-21 PS Planned sale

York Charles N II

COO, CFO and Secretary

Officer
9,700 -3.3%
20.74
201,153 USD 		9,700 -3.3% 20.74 201,153 USD
2022-11-22 2022-11-21 PS Planned sale

Bender Jeremy

Chief Executive Officer

Executive Director
400 -0.0%
21.38
8,552 USD 		400 -0.0% 21.38 8,552 USD
2022-11-22 2022-11-21 PS Planned sale

Bender Jeremy

Chief Executive Officer

Executive Director
12,100 -1.0%
20.74
250,927 USD 		12,100 -1.0% 20.74 250,927 USD
2022-11-17 2022-11-16 PS Planned sale

York Charles N II

COO, CFO and Secretary

Officer
430 -0.1%
21.46
9,228 USD 		430 -0.1% 21.46 9,228 USD
2022-11-17 2022-11-16 S Sale

Blackman Samuel C.

Chief Medical Officer

Officer
377 -0.0%
21.46
8,090 USD 		377 -0.0% 21.46 8,090 USD
2022-11-17 2022-11-16 S Sale

Bender Jeremy

Chief Executive Officer

Executive Director
1,513 -0.1%
21.46
32,469 USD 		1,513 -0.1% 21.46 32,469 USD
2022-11-03 2022-11-02 PS Planned sale

Grant Julie Papanek

Non-Executive Director
5,000 -1.2%
20.01
100,069 USD 		5,000 -1.2% 20.01 100,069 USD
2022-11-03 2022-11-01 PS Planned sale

Blackman Samuel C.

Chief Medical Officer

Officer
10,000 -0.8%
20.01
200,050 USD 		10,000 -0.8% 20.01 200,050 USD
2022-11-03 2022-11-01 PS Planned sale

Grant Julie Papanek

Non-Executive Director
5,000 -1.2%
20.04
100,209 USD 		5,000 -1.2% 20.04 100,209 USD
2022-11-03 2022-11-01 PS Planned sale

York Charles N II

COO, CFO and Secretary

Officer
10,000 -3.3%
20.03
200,313 USD 		10,000 -3.3% 20.03 200,313 USD
2022-11-03 2022-11-01 PS Planned sale

Bender Jeremy

Chief Executive Officer

Executive Director
12,500 -1.0%
20.03
250,355 USD 		12,500 -1.0% 20.03 250,355 USD
2022-10-05 2022-10-04 PS Planned sale

Grant Julie Papanek

Non-Executive Director
5,000 -1.2%
20.00
100,000 USD 		5,000 -1.2% 20.00 100,000 USD
2022-10-05 2022-10-03 PS Planned sale

Blackman Samuel C.

Chief Medical Officer

Officer
10,000 -0.8%
19.99
199,852 USD 		10,000 -0.8% 19.99 199,852 USD
2022-10-05 2022-10-03 PS Planned sale

York Charles N II

COO, CFO and Secretary

Officer
10,000 -3.2%
20.05
200,473 USD 		10,000 -3.2% 20.05 200,473 USD
2022-10-05 2022-10-03 PS Planned sale

Bender Jeremy

Chief Executive Officer

Executive Director
12,500 -1.0%
20.05
250,646 USD 		12,500 -1.0% 20.05 250,646 USD
2022-10-05 2022-10-03 PS Planned sale

Grant Julie Papanek

Non-Executive Director
5,000 -1.1%
20.06
100,315 USD 		5,000 -1.1% 20.06 100,315 USD
2022-09-22 2022-09-21 S Sale

Canaan XI L.P.

Major owner
6,106 -0.1%
19.29
117,785 USD 		6,106 -0.1% 19.29 117,785 USD
2022-09-22 2022-09-21 S Sale

Canaan XI L.P.

Major owner
607,497 -6.7%
18.54
11,262,994 USD 		607,497 -6.7% 18.54 11,262,994 USD
2022-09-22 2022-09-21 S Sale

Grant Julie Papanek

Non-Executive Director
6,106 -0.1%
19.29
117,785 USD 		6,106 -0.1% 19.29 117,785 USD
2022-09-22 2022-09-21 S Sale

Grant Julie Papanek

Non-Executive Director
607,497 -6.7%
18.54
11,262,994 USD 		607,497 -6.7% 18.54 11,262,994 USD
2022-09-20 2022-09-20 S Sale

Canaan XI L.P.

Major owner
2,266 -0.0%
20.10
45,547 USD 		2,266 -0.0% 20.10 45,547 USD
2022-09-20 2022-09-20 S Sale

Canaan XI L.P.

Major owner
146,404 -1.6%
19.50
2,854,878 USD 		146,404 -1.6% 19.50 2,854,878 USD
2022-09-20 2022-09-20 S Sale

Grant Julie Papanek

Non-Executive Director
2,266 -0.0%
20.10
45,547 USD 		2,266 -0.0% 20.10 45,547 USD
2022-09-20 2022-09-20 S Sale

Grant Julie Papanek

Non-Executive Director
146,404 -1.6%
19.50
2,854,878 USD 		146,404 -1.6% 19.50 2,854,878 USD
2022-09-20 2022-09-19 S Sale

Canaan XI L.P.

Major owner
76,725 -0.8%
20.57
1,578,233 USD 		76,725 -0.8% 20.57 1,578,233 USD
2022-09-20 2022-09-19 S Sale

Grant Julie Papanek

Non-Executive Director
76,725 -0.8%
20.57
1,578,233 USD 		76,725 -0.8% 20.57 1,578,233 USD
2022-09-20 2022-09-16 S Sale

Canaan XI L.P.

Major owner
3,722 -0.0%
22.04
82,033 USD 		3,722 -0.0% 22.04 82,033 USD