MORRIS ARLENE

PrivateCIK: 1362520
Location

PALO ALTO, CA

MORRIS ARLENE sold 45.51K shares of COGENT BIOSCIENCES, INC. on the open market

Open‑market sale worth $1.69M. Review remaining holdings and any 10b5‑1 plan disclosures.

S · 2 sales
InsiderMORRIS ARLENECIK 1362520
IssuerCOGENT BIOSCIENCES, INC.CIK 1622229
Director
Since Jul 2019
-45.51K
Net shares
Net seller
$1.69M
Total sold
2
Open market trades
0B · 2S
6
Total transactions
45.51K acquired · 91.02K disposed
Non-Derivative Transactions4

Common Stock

Direct
M · Option Exercise

Shares

+41.93K

Price / share

$5.64

Trade value

$236.47K

% of position

New position
8/27/2026
0.0041.93K

Common Stock

Direct
M · Option Exercise

Shares

+3.58K

Price / share

$2.52

Trade value

$9.03K

% of position

8.5%
8/27/2026
41.93K45.51K

Common Stock

Direct
S · Sale

Shares

42.35K

Price / share

$37.09

Trade value

$1.57M

% of position

93.1%
8/27/2026
45.51K3.16K

Common Stock

Direct
S · Sale

Shares

3.16K

Price / share

$37.54

Trade value

$118.66K

% of position

New position
8/27/2026
3.16K0.00
Total

Net shares

+0.00

Net value

-$1.44M

Derivative Transactions2

Stock Option (Right to Buy)

Direct
M · Option Exercise
Converts to

Common Stock

41.93K shares

Shares

41.93K

Strike price

5.64

Held after

2.77K

Exercisable

8/27/2026

Stock Option (Right to Buy)

Direct
M · Option Exercise
Converts to

Common Stock

3.58K shares

Shares

3.58K

Strike price

2.52

Held after

0.00

Exercisable

8/27/2026