SMITH KAREN L. sold 88.0% of their position (11.86K shares) of ACCELERON PHARMA INC on the open market

Open‑market sale worth $1.66M — a major position exit. Review remaining holdings and any 10b5‑1 plan disclosures.

S · 2 sales

SMITH KAREN L.

Filed: 4/5/2021ACC: 0001179110-21-004223

InsiderSMITH KAREN L.CIK 1639637

→

IssuerACCELERON PHARMA INCCIK 1280600

Director

Since Jan 2019

-11.86K

Net shares

Net seller

$1.66M

Total sold

Open market trades

0B · 2S

Total transactions

8.93K acquired · 20.79K disposed

Non-Derivative Transactions5

Common Stock

Direct

M · Option Exercise

+5K

Price / share

$35.34

Trade value

$176.70K

% of position

109.6%

4/5/2021

4.56K→9.56K

Common Stock

Direct

M · Option Exercise

+1.88K

Price / share

$41.64

Trade value

$78.08K

% of position

19.6%

4/5/2021

9.56K→11.44K

Common Stock

Direct

M · Option Exercise

+2.05K

Price / share

$52.99

Trade value

$108.63K

% of position

17.9%

4/5/2021

11.44K→13.49K

Common Stock

Direct

S · Sale

−11.22K

Price / share

$140.13

Trade value

$1.57M

% of position

83.2%

4/5/2021

13.49K→2.26K

Common Stock

Direct

S · Sale

−641.00

Price / share

$141.15

Trade value

$90.48K

% of position

28.3%

4/5/2021

2.26K→1.62K

Total

Net shares

−2.94K

Net value

-$1.30M

Security	Date	Type	Shares	Price / Share	Trade Value	% of Position	Held Before	Held After
Common Stock Direct	4/5/2021	M · Option Exercise	+5K	$35.34	$176.70K	109.6%	4.56K	9.56K
Common Stock Direct	4/5/2021	M · Option Exercise	+1.88K	$41.64	$78.08K	19.6%	9.56K	11.44K
Common Stock Direct	4/5/2021	M · Option Exercise	+2.05K	$52.99	$108.63K	17.9%	11.44K	13.49K
Common Stock Direct	4/5/2021	S · Sale	−11.22K	$140.13	$1.57M	83.2%	13.49K	2.26K
Common Stock Direct	4/5/2021	S · Sale	−641.00	$141.15	$90.48K	28.3%	2.26K	1.62K
Total			−2.94K		-$1.30M

Derivative Transactions3

Option to Purchase Common Stock

Direct

M · Option Exercise

Converts to

Common Stock

5K shares

−5K

Strike price

35.34

Held after

10K

Exercisable

—

4/5/2021

Option to Purchase Common Stock

Direct

M · Option Exercise

Converts to

Common Stock

1.88K shares

−1.88K

Strike price

41.64

Held after

3.75K

Exercisable

—

4/5/2021

Option to Purchase Common Stock

Direct

M · Option Exercise

Converts to

Common Stock

2.05K shares

−2.05K

Strike price

52.99

Held after

4.08K

Exercisable

—

4/5/2021

Security	Converts To	Date	Type	Shares	Strike Price	Exercisable	Held After
Option to Purchase Common Stock Direct	Common Stock5K shares	4/5/2021	M · Option Exercise	−5K	35.34	—	10K
Option to Purchase Common Stock Direct	Common Stock1.88K shares	4/5/2021	M · Option Exercise	−1.88K	41.64	—	3.75K
Option to Purchase Common Stock Direct	Common Stock2.05K shares	4/5/2021	M · Option Exercise	−2.05K	52.99	—	4.08K