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Black Diamond Therapeutics, Inc.

BDTX Net buying
CIK 0001701541 #4227 in the set updated 19 Sep 2026
Bought (120 mo)
$105.50M
out of their own pocket, the only kind of buying there is
Sold (120 mo)
$41.09M
$167.50K on a plan · $4.19M straight out of an exercise
Sold at will
$36.73M
140 of 190 sales
Net
+$64.41M
+$68.77M against sales at will

By person

23 insiders · 228 transactions
Insider
Role
Bought
Sold
Net
Holding
Of company
Worth
Change
Behbahani Ali
Director
$20.20M (2)
—
+$20.20M
11,448,800
19.93%
$24.24M
+66.0%
Shah Rajeev M.
Director
$19.00M (3)
—
+$19.00M
311,926
0.5429%
$660.32K
—
BIOTECH GROWTH N V
10% owner
$19.68M (15)
$12.00M (7)
+$7.68M
2,733,547
4.76%
$5.79M
−26.8%
Flynn James E
10% owner
$7.60M (1)
—
+$7.60M
778,790
1.36%
$1.65M
—
Bolzon Bradley J PhD
Director
$17.00M (4)
$11.67M (66)
+$5.33M
402,793
0.7011%
$852.67K
—
RA CAPITAL MANAGEMENT, L.P. entity
Director
$4.68M (1)
—
+$4.68M
3,213,828
5.59%
$6.80M
+41.1%
Versant Venture Capital VI, L.P. entity
10% owner
$17.00M (4)
$13.07M (67)
+$3.93M
4,107,283
7.15%
$8.69M
—
Epstein David M.
SEE REMARKS
—
$1.67M (8) scheduled
−$1.67M
688,002
1.20%
$1.46M
+44.5%
Hatzis-Schoch Brent
SEE REMARKS
$57.00K (1)
$1.37M (22) scheduled
−$1.31M
83,400
0.1452%
$176.55K
—
Roberts Christopher D.
Chief Scientific Officer
—
$825.21K (14) scheduled
−$825.21K
3,200
0.0056%
$6.77K
—
Leggett Thomas
Chief Financial Officer
—
$495.61K (6) scheduled
−$495.61K
0
0.0000%
$0.00
—
INGRAM ROBERT ALEXANDER
FORMER DIRECTOR
$152.29K (1)
—
+$152.29K
42,854
0.0746%
$90.72K
—
Ni Fang
SEE REMARKS
$133.38K (3)
—
+$133.38K
125,389
0.2182%
$265.44K
+184.8%
Wellington Biomedical Innovation Master Investors (Cayman) I L.P.
10% owner
—
—
—
568,185
0.9889%
$1.20M
—
Buck Elizabeth
CHIEF SCIENTIFIC OFFICER
—
—
—
170,192
0.2962%
$360.28K
+78.8%
Velleca Mark A.
PRESIDENT & CEO
—
—
—
121,522
0.2115%
$257.25K
—
Jones Erika
SEE REMARKS
—
—
—
85,150
0.1482%
$180.25K
—
Yurasov Sergey
CHIEF MEDICAL OFFICER
—
—
—
75,000
0.1305%
$158.77K
—
Menzel Garry E
Director
—
—
—
51,825
0.0902%
$109.71K
—
Raman Prakash
Director
—
—
—
45,039
0.0784%
$95.34K
—
DIXON WENDY L
Director
—
—
—
38,054
0.0662%
$80.56K
+4,195%
HUMPHREY RACHEL
Chief Medical Officer
—
—
—
10,000
0.0174%
$21.17K
—
Campbell Shannon
Director
—
—
—
8,865
0.0154%
$18.77K
—

Individual transactions

35
Insider
Date
Role
Action
Shares
Price
Amount
BIOTECH GROWTH N V
17 Oct 2023
10% owner
Buy
400,000
$2.34
$934.08K
Behbahani Ali
5 Jul 2023
Director
Buy indirect
1,000,000
$5.00
$5.00M
RA CAPITAL MANAGEMENT, L.P.
5 Jul 2023
Director
Buy indirect
935,850
$5.00
$4.68M
BIOTECH GROWTH N V
30 Jun 2023
10% owner
Buy
1,000,000
$5.00
$5.00M
BIOTECH GROWTH N V
27 Jun 2023
10% owner
Buy
1,740,000
$5.49
$9.56M
Ni Fang
22 Dec 2022
SEE REMARKS
Buy
36,363
$1.28
$46.60K
Ni Fang
21 Dec 2022
SEE REMARKS
Buy
20,000
$1.29
$25.77K
BIOTECH GROWTH N V
31 Oct 2022
10% owner
Buy
99,801
$2.25
$224.91K
BIOTECH GROWTH N V
28 Oct 2022
10% owner
Buy
172,974
$2.18
$376.96K
BIOTECH GROWTH N V
27 Oct 2022
10% owner
Buy
191,678
$1.87
$359.22K
BIOTECH GROWTH N V
21 Oct 2022
10% owner
Buy
87,850
$1.51
$132.75K
BIOTECH GROWTH N V
20 Oct 2022
10% owner
Buy
53,734
$1.42
$76.35K
BIOTECH GROWTH N V
19 Oct 2022
10% owner
Buy
77,689
$1.32
$102.77K
Ni Fang
29 Jun 2022
SEE REMARKS
Buy
25,000
$2.44
$61.02K
BIOTECH GROWTH N V
28 Apr 2022
10% owner
Buy
255,711
$2.57
$657.87K
BIOTECH GROWTH N V
27 Apr 2022
10% owner
Buy
150,000
$2.66
$399.48K
BIOTECH GROWTH N V
19 Apr 2022
10% owner
Buy
150,000
$3.24
$486.65K
BIOTECH GROWTH N V
18 Apr 2022
10% owner
Buy
150,000
$3.29
$493.94K
BIOTECH GROWTH N V
13 Apr 2022
10% owner
Buy
102,556
$3.57
$366.22K
BIOTECH GROWTH N V
12 Apr 2022
10% owner
Buy
150,000
$3.42
$513.60K
INGRAM ROBERT ALEXANDER
30 Sep 2020
Director
Buy
5,000
$30.46
$152.29K
Flynn James E
3 Feb 2020
10% owner
Buy indirect
400,000
$19.00
$7.60M
Behbahani Ali
3 Feb 2020
Director
Buy indirect
800,000
$19.00
$15.20M
Hatzis-Schoch Brent
3 Feb 2020
See Remarks
Buy
3,000
$19.00
$57.00K
Shah Rajeev M.
3 Feb 2020
Director
Buy indirect
136,539
$19.00
$2.59M
Shah Rajeev M.
3 Feb 2020
Director
Buy indirect
77,803
$19.00
$1.48M
Shah Rajeev M.
3 Feb 2020
Director
Buy indirect
785,658
$19.00
$14.93M
Bolzon Bradley J PhD
3 Feb 2020
Director
Buy indirect
396,081
$19.00
$7.53M
Bolzon Bradley J PhD
3 Feb 2020
Director
Buy indirect
396,082
$19.00
$7.53M
Bolzon Bradley J PhD
3 Feb 2020
Director
Buy indirect
23,560
$19.00
$447.64K
Bolzon Bradley J PhD
3 Feb 2020
Director
Buy indirect
79,013
$19.00
$1.50M
Versant Venture Capital VI, L.P.
3 Feb 2020
10% owner
Buy indirect
396,081
$19.00
$7.53M
Versant Venture Capital VI, L.P.
3 Feb 2020
10% owner
Buy
396,082
$19.00
$7.53M
Versant Venture Capital VI, L.P.
3 Feb 2020
10% owner
Buy indirect
23,560
$19.00
$447.64K
Versant Venture Capital VI, L.P.
3 Feb 2020
10% owner
Buy indirect
79,013
$19.00
$1.50M
Show all 228 transactions →

What was left out

Form 4 filings counted 245
Amendments (4/A) skipped 1
Filings about a different issuer 0
Unreadable filings 0
Joint filings 35
Sales on a Rule 10b5-1 plan 1
Sales straight out of an exercise 49
Sales at will 140
Transactions with no price 0
Shares from compensation/vesting 34,697,005
Sales filed before the plan box existed 132
History held since 31 Jan 2020