Morrison Briggs
CIK: 0001654430•President, Head of R&D
OfficerDirector
Primary company: Syndax Pharmaceuticals Inc (SNDX)
Morrison Briggs is a corporate insider (President, Head of R&D) at Syndax Pharmaceuticals Inc (SNDX) filing SEC Form 4 transactions. 132 transactions across 8 companies, totaling $770,684 in purchases and $28,778,491 in sales. Source: SEC EDGAR.
Companies
Transaction History
Source: SEC EDGAR Form 4 insider transaction filings.
Company | Type | Shares | Price | Value | Shares After | Date | SEC |
|---|---|---|---|---|---|---|---|
ARVINAS, INC. ARVN | Award | 22,714 | $8.05 | $183K | 22,714 | 6/24/2026 Filed: 6/24/2026 | Filing → |
ARVINAS, INC. ARVN | Award | 15,527 | - | - | 111,548 | 6/24/2026 Filed: 6/24/2026 | Filing → |
CRISPR Therapeutics AG CRSP | Award | 13,000 | $51.84 | $674K | 13,000 | 6/5/2026 Filed: 6/5/2026 | Filing → |
ARVINAS, INC. ARVN | Purchase | 30,000 | $7.57 | $227K | 76,021 | 9/22/2025 Filed: 9/24/2025 | Filing → |
ARVINAS, INC. ARVN | Award | 23,105 | - | - | 23,105 | 6/25/2025 Filed: 6/27/2025 | Filing → |
ARVINAS, INC. ARVN | Award | 16,025 | - | - | 46,021 | 6/25/2025 Filed: 6/27/2025 | Filing → |
| Award | 27,000 | - | - | 27,000 | 6/12/2025 Filed: 6/13/2025 | Filing → | |
CRISPR Therapeutics AG CRSP | Award | 13,000 | - | - | 13,000 | 6/5/2025 Filed: 6/6/2025 | Filing → |
| Award | 19,350 | - | - | 19,350 | 6/26/2024 Filed: 6/27/2024 | Filing → | |
| Award | 27,200 | - | - | 27,200 | 6/17/2024 Filed: 6/20/2024 | Filing → | |
ARVINAS, INC. ARVN | Award | 9,070 | - | - | 9,070 | 5/29/2024 Filed: 5/31/2024 | Filing → |
ARVINAS, INC. ARVN | Award | 5,899 | - | - | 29,996 | 5/29/2024 Filed: 5/31/2024 | Filing → |
| Award | 17,500 | - | - | 17,500 | 5/24/2024 Filed: 5/24/2024 | Filing → | |
| Award | 17,000 | - | - | 34,836 | 2/7/2024 Filed: 2/9/2024 | Filing → | |
| Exercise | 52,855 | $0.00 | $0 | 0 | 8/9/2023 Filed: 8/10/2023 | Filing → | |
| Sale | 52,855 | $18.27 | $965K | 17,836 | 8/9/2023 Filed: 8/10/2023 | Filing → | |
| Exercise | 52,855 | $8.77 | $464K | 70,691 | 8/9/2023 Filed: 8/10/2023 | Filing → | |
| Exercise | 52,855 | $0.00 | $0 | 0 | 7/10/2023 Filed: 7/11/2023 | Filing → | |
| Sale | 52,855 | $20.40 | $1.08M | 17,836 | 7/10/2023 Filed: 7/11/2023 | Filing → | |
| Exercise | 52,855 | $8.77 | $464K | 70,691 | 7/10/2023 Filed: 7/11/2023 | Filing → |
ARVINAS, INC.
ARVN
Type
Award
Shares
22,714
Price
$8.05
Value
$183K
ARVINAS, INC.
ARVN
Type
Award
Shares
15,527
Price
-
Value
-
CRISPR Therapeutics AG
CRSP
Type
Award
Shares
13,000
Price
$51.84
Value
$674K
ARVINAS, INC.
ARVN
Type
Purchase
Shares
30,000
Price
$7.57
Value
$227K
ARVINAS, INC.
ARVN
Type
Award
Shares
23,105
Price
-
Value
-
ARVINAS, INC.
ARVN
Type
Award
Shares
16,025
Price
-
Value
-
Type
Award
Shares
27,000
Price
-
Value
-
CRISPR Therapeutics AG
CRSP
Type
Award
Shares
13,000
Price
-
Value
-
Type
Award
Shares
19,350
Price
-
Value
-
Type
Award
Shares
27,200
Price
-
Value
-
ARVINAS, INC.
ARVN
Type
Award
Shares
9,070
Price
-
Value
-
ARVINAS, INC.
ARVN
Type
Award
Shares
5,899
Price
-
Value
-
Type
Award
Shares
17,500
Price
-
Value
-
Type
Award
Shares
17,000
Price
-
Value
-
Type
Exercise
Shares
52,855
Price
$0.00
Value
$0
Type
Sale
Shares
52,855
Price
$18.27
Value
$965K
Type
Exercise
Shares
52,855
Price
$8.77
Value
$464K
Type
Exercise
Shares
52,855
Price
$0.00
Value
$0
Type
Sale
Shares
52,855
Price
$20.40
Value
$1.08M
Type
Exercise
Shares
52,855
Price
$8.77
Value
$464K
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