CARPENTER CHRISTOPHER L. (Chief Medical Officer) sold 57.8% of their position (47.76K shares) of RUBIUS THERAPEUTICS, INC. on the open market

Open‑market sale worth $669.7K — a major position exit. Review remaining holdings and any 10b5‑1 plan disclosures.

S · 3 sales

CARPENTER CHRISTOPHER L.

Filed: 6/19/2019ACC: 0001104659-19-036506

InsiderCARPENTER CHRISTOPHER L.CIK 1746845

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IssuerRUBIUS THERAPEUTICS, INC.CIK 1709401

Officer· Chief Medical Officer

Since Jul 2018

-47.76K

Net shares

Net seller

$669.7K

Total sold

Open market trades

0B · 3S

Total transactions

47.76K acquired · 95.51K disposed

Non-Derivative Transactions6

Common Stock

Direct

M · Option Exercise

+18.50K

Price / share

$2.87

Trade value

$53.09K

% of position

53.1%

6/17/2019

34.84K→53.34K

Common Stock

Direct

S · Sale

−18.50K

Price / share

$14.10

Trade value

$260.87K

% of position

34.7%

6/17/2019

53.34K→34.84K

Common Stock

Direct

M · Option Exercise

+10.86K

Price / share

$2.87

Trade value

$31.16K

% of position

31.2%

6/18/2019

34.84K→45.70K

Common Stock

Direct

S · Sale

−10.86K

Price / share

$14.27

Trade value

$154.96K

% of position

23.8%

6/18/2019

45.70K→34.84K

Common Stock

Direct

M · Option Exercise

+18.40K

Price / share

$2.87

Trade value

$52.81K

% of position

52.8%

6/19/2019

34.84K→53.24K

Common Stock

Direct

S · Sale

−18.40K

Price / share

$13.80

Trade value

$253.87K

% of position

34.6%

6/19/2019

53.24K→34.84K

Total

Net shares

+0.00

Net value

-$532.63K

Security	Date	Type	Shares	Price / Share	Trade Value	% of Position	Held Before	Held After
Common Stock Direct	6/17/2019	M · Option Exercise	+18.50K	$2.87	$53.09K	53.1%	34.84K	53.34K
Common Stock Direct	6/17/2019	S · Sale	−18.50K	$14.10	$260.87K	34.7%	53.34K	34.84K
Common Stock Direct	6/18/2019	M · Option Exercise	+10.86K	$2.87	$31.16K	31.2%	34.84K	45.70K
Common Stock Direct	6/18/2019	S · Sale	−10.86K	$14.27	$154.96K	23.8%	45.70K	34.84K
Common Stock Direct	6/19/2019	M · Option Exercise	+18.40K	$2.87	$52.81K	52.8%	34.84K	53.24K
Common Stock Direct	6/19/2019	S · Sale	−18.40K	$13.80	$253.87K	34.6%	53.24K	34.84K
Total			+0.00		-$532.63K

Derivative Transactions3

Stock Option (Right to Buy)

Direct

M · Option Exercise

Converts to

Common Stock

18.50K shares

−18.50K

Strike price

2.87

Held after

648.66K

Exercisable

—

6/17/2019

Stock Option (Right to Buy)

Direct

M · Option Exercise

Converts to

Common Stock

10.86K shares

−10.86K

Strike price

2.87

Held after

637.80K

Exercisable

—

6/18/2019

Stock Option (Right to Buy)

Direct

M · Option Exercise

Converts to

Common Stock

18.40K shares

−18.40K

Strike price

2.87

Held after

619.40K

Exercisable

—

6/19/2019

Security	Converts To	Date	Type	Shares	Strike Price	Exercisable	Held After
Stock Option (Right to Buy) Direct	Common Stock18.50K shares	6/17/2019	M · Option Exercise	−18.50K	2.87	—	648.66K
Stock Option (Right to Buy) Direct	Common Stock10.86K shares	6/18/2019	M · Option Exercise	−10.86K	2.87	—	637.80K
Stock Option (Right to Buy) Direct	Common Stock18.40K shares	6/19/2019	M · Option Exercise	−18.40K	2.87	—	619.40K