Leonard Braden Michael

CIK: 0001373603
10% Owner

Leonard Braden Michael is a corporate insider at BUILD A BEAR WORKSHOP INC (BBW) filing SEC Form 4 transactions. 222 transactions across 15 companies, totaling $31,080,400 in purchases and $48,481,355 in sales. Source: SEC EDGAR.

Total Transactions
222
Total Buy Value
$31.08M
Total Sell Value
$48.48M
Net Activity
$-17.40M
Last Transaction
Dec 2025
Companies
15

Companies

Transaction History

Source: SEC EDGAR Form 4 insider transaction filings.

Type
X
Shares
323,000
Price
$5.00
Value
$1.61M
Type
X
Shares
96,900
Price
$5.00
Value
$485K
Type
X
Shares
197,600
Price
$5.00
Value
$988K
Type
Sale
Shares
300,000
Price
$4.53
Value
$1.36M
Adverum Biotechnologies, Inc.
ADVM
Type
Sale
Shares
524,560
Price
$4.19
Value
$2.20M
Adverum Biotechnologies, Inc.
ADVM
Type
Sale
Shares
222,925
Price
$4.17
Value
$930K
Adverum Biotechnologies, Inc.
ADVM
Type
Sale
Shares
51,961
Price
$4.20
Value
$218K
Adverum Biotechnologies, Inc.
ADVM
Type
Sale
Shares
300,000
Price
$4.20
Value
$1.26M
Type
Sale
Shares
9,166
Price
$5.83
Value
$53K
Type
Sale
Shares
220,410
Price
$7.13
Value
$1.57M
Type
Sale
Shares
200,000
Price
$1.09
Value
$218K
Type
Sale
Shares
7,000
Price
$1.03
Value
$7K
Type
Sale
Shares
425,000
Price
$1.01
Value
$429K
Type
Sale
Shares
100,000
Price
$1.16
Value
$116K
Type
Sale
Shares
2,000,000
Price
$1.16
Value
$2.32M
Adverum Biotechnologies, Inc.
ADVM
Type
Purchase
Shares
16,593
Price
$5.19
Value
$86K
Adverum Biotechnologies, Inc.
ADVM
Type
Purchase
Shares
16,593
Price
$5.19
Value
$86K
Adverum Biotechnologies, Inc.
ADVM
Type
Purchase
Shares
20,407
Price
$5.04
Value
$103K
Adverum Biotechnologies, Inc.
ADVM
Type
Purchase
Shares
20,407
Price
$5.04
Value
$103K
Adverum Biotechnologies, Inc.
ADVM
Type
Purchase
Shares
50,000
Price
$2.98
Value
$149K