PORTER DERRELL

PrivateCIK: 1706400
Location

SOUTH SAN FRANCISCO, CA

PORTER DERRELL sold 47.6% of their position (32.30K shares) of ACUMEN PHARMACEUTICALS, INC. on the open market

Open‑market sale worth $75.2K — a major position exit. Review remaining holdings and any 10b5‑1 plan disclosures.

S · 3 sales
InsiderPORTER DERRELLCIK 1706400
Director
Since Jan 2023
-32.30K
Net shares
Net seller
$75.2K
Total sold
3
Open market trades
0B · 3S
7
Total transactions
19.50K acquired · 51.80K disposed
Non-Derivative Transactions5

Common Stock

Direct
M · Option Exercise

Shares

+6.46K

Price / share

$1.07

Trade value

$6.91K

% of position

13.4%
6/15/2026
48.30K54.76K

Common Stock

Direct
S · Sale

Shares

6.46K

Price / share

$2.35

Trade value

$15.15K

% of position

11.8%
6/15/2026
54.76K48.30K

Common Stock

Direct
S · Sale

Shares

12.80K

Price / share

$2.33

Trade value

$29.77K

% of position

26.5%
6/16/2026
48.30K35.50K

Common Stock

Direct
M · Option Exercise

Shares

+13.04K

Price / share

$1.07

Trade value

$13.95K

% of position

36.7%
6/17/2026
35.50K48.54K

Common Stock

Direct
S · Sale

Shares

13.04K

Price / share

$2.33

Trade value

$30.32K

% of position

26.9%
6/17/2026
48.54K35.50K
Total

Net shares

12.80K

Net value

-$54.37K

Derivative Transactions2

Stock Option (right to buy)

Direct
M · Option Exercise
Converts to

Common Stock

6.46K shares

Shares

6.46K

Strike price

1.07

Held after

13.04K

Exercisable

6/15/2026

Stock Option (right to buy)

Direct
M · Option Exercise
Converts to

Common Stock

13.04K shares

Shares

13.04K

Strike price

1.07

Held after

0.00

Exercisable

6/17/2026
PORTER DERRELL — Insider Transaction (Form 4) Filed Jun 17, 2026 | Finecho