GIFFIN BRETT A.

PrivateCIK: 1892921
Location

LEXINGTON, MA

GIFFIN BRETT A. (Chief Commercial Officer) sold 39.0% of their position (537.00 shares) of T2 BIOSYSTEMS, INC. on the open market

Open‑market sale worth $349.05 — a major position exit. Review remaining holdings and any 10b5‑1 plan disclosures.

S · 1 sale
InsiderGIFFIN BRETT A.CIK 1892921
IssuerT2 BIOSYSTEMS, INC.CIK 1492674
Officer· Chief Commercial Officer
Since Nov 2021
-537.00
Net shares
Net seller
$349.05
Total sold
1
Open market trades
0B · 1S
3
Total transactions
1.33K acquired · 1.87K disposed
Non-Derivative Transactions2

Common Stock

Direct
M · Option Exercise

Shares

+1.33K

Price / share

Trade value

% of position

2962.2%
2/20/2023
45.001.38K

Common Stock

Direct
S · Sale

Shares

537.00

Price / share

$0.65

Trade value

$349.05

% of position

39.0%
2/22/2023
1.38K841.00
Total

Net shares

+796.00

Net value

-$349.05

Derivative Transactions1

Restricted Stock Units

Direct
M · Option Exercise
Converts to

Common Stock

1.33K shares

Shares

1.33K

Strike price

Held after

2.67K

Exercisable

2/20/2023
GIFFIN BRETT A. — Insider Transaction (Form 4) Filed Mar 9, 2023 | Finecho