BOURDON LYNN L III (Chairman, President and CEO) exercised options at THIRD COAST MIDSTREAM, LLC

Option exercise — a mechanical event triggered by vesting or expiry. Not a discretionary conviction trade.

M · 2 exercises

BOURDON LYNN L III

Filed: 4/3/2019ACC: 0001513965-19-000036

InsiderBOURDON LYNN L IIICIK 1271807

→

IssuerTHIRD COAST MIDSTREAM, LLCCIK 1513965

DirectorOfficer· Chairman, President and CEO

Since Dec 2018

0.00

Net shares

Net seller

$0.00

Total acquired

Open market trades

0B · 0S

Total transactions

59.97K acquired · 59.97K disposed

Non-Derivative Transactions2

Common Units (limited partner interests)

Direct

M · Option Exercise

+25.25K

Price / share

—

Trade value

—

% of position

5.1%

4/1/2019

495.78K→521.03K

Common Units (limited partner interests)

Direct

M · Option Exercise

+34.72K

Price / share

—

Trade value

—

% of position

6.7%

4/1/2019

521.03K→555.75K

Total

Net shares

+59.97K

Net value

$0.00

Security	Date	Type	Shares	Price / Share	Trade Value	% of Position	Held Before	Held After
Common Units (limited partner interests) Direct	4/1/2019	M · Option Exercise	+25.25K	—	—	5.1%	495.78K	521.03K
Common Units (limited partner interests) Direct	4/1/2019	M · Option Exercise	+34.72K	—	—	6.7%	521.03K	555.75K
Total			+59.97K		$0.00

Derivative Transactions2

Phantom units

Direct

M · Option Exercise

Converts to

Common Units (limited partner interests)

25.25K shares

−25.25K

Strike price

Held after

50.51K

Exercisable

—

4/1/2019

Phantom units

Direct

M · Option Exercise

Converts to

Common Units (limited partner interests)

34.72K shares

−34.72K

Strike price

Held after

104.17K

Exercisable

—

4/1/2019

Security	Converts To	Date	Type	Shares	Strike Price	Exercisable	Held After
Phantom units Direct	Common Units (limited partner interests)25.25K shares	4/1/2019	M · Option Exercise	−25.25K		—	50.51K
Phantom units Direct	Common Units (limited partner interests)34.72K shares	4/1/2019	M · Option Exercise	−34.72K		—	104.17K

Non-Derivative Holdings (Post-Transaction)0

No non-derivative holdings reported

Derivative Holdings (Post-Transaction)1

Option

Direct

Underlying security

Common Units (limited partner interests)

Underlying shares

200K

Shares owned

0.00

Exercise price

7.5

Expiration

—

Exercise window

—

Total

Underlying

200K

Owned

0.00

Security	Underlying	Exercise Price	Exercise Window	Expiration	Underlying Shares	Shares Owned
Option Direct	Common Units (limited partner interests)	7.5	—	—	200K	0.00
Total					200K	0.00