### 144
Form 144 Filer Information |
UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
Form 144
NOTICE OF PROPOSED SALE OF SECURITIES
PURSUANT TO RULE 144 UNDER THE SECURITIES ACT OF 1933
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FORM 144
| |
144: Filer Information
Filer CIK | 0000901484
|
Filer CCC | XXXXXXXX
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Is this a LIVE or TEST Filing?
| LIVE
TEST
|
Submission Contact Information
|
Name |
|
Phone |
|
E-Mail Address |
|
144: Issuer Information
Name of Issuer | VICOR CORPORATION
|
SEC File Number | 000-18277
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Address of Issuer | 25 Frontage Road
Andover
MASSACHUSETTS
01810
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Phone | 9784702900
|
Name of Person for Whose Account the Securities are To Be Sold | PATRIZIO VINCIARELLI
|
See the definition of "person" in paragraph (a) of Rule 144. Information is to be given not only as to the person for whose account
the securities are to be sold but also as to all other persons included in that definition. In addition, information shall be given
as to sales by all persons whose sales are required by paragraph (e) of Rule 144 to be aggregated with sales
for the account of the person filing this notice.
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Relationship to Issuer | Director
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Relationship to Issuer | Officer
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Relationship to Issuer | 10% Stockholder
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144: Securities Information
Title of the Class of Securities To Be Sold | Name and Address of the Broker | Number of Shares or Other Units To Be Sold | Aggregate Market Value | Number of Shares or Other Units Outstanding | Approximate Date of Sale | Name the Securities Exchange |
Common | Morgan Stanley Smith Barney LLC Executive Financial Services
1 New York Plaza
8th Floor
New York
�
NY
�
10004
| 20000 | 6122400.00 | 33863689 | 06/05/2026 | NASDAQ
|
Furnish the following information with respect to the acquisition of the securities to be sold and with respect to the payment
of all or any part of the purchase price or other consideration therefor:
144: Securities To Be Sold
Title of the Class | Date you Acquired | Nature of Acquisition Transaction | Name of Person from Whom Acquired | Is this a Gift? | Date Donor Acquired | Amount of Securities Acquired | Date of Payment | Nature of Payment * |
Common | 11/10/1981 | Founders Shares | Issuer | | | 20000 | 11/10/1981 | N/A |
* If the securities were purchased and full payment therefor was not made in cash at the time of purchase, explain in the table or in a note
thereto the nature of the consideration given. If the consideration consisted of any note or other obligation, or if payment was made
in installments describe the arrangement and state when the note or other obligation was discharged in full or the last installment paid.
Furnish the following information as to all securities of the issuer sold during the past 3 months by the person for whose account the securities are to be sold.
144: Securities Sold During The Past 3 Months
Name and Address of Seller | Title of Securities Sold | Date of Sale | Amount of Securities Sold | Gross Proceeds |
10b5-1 Sales for PATRIZIO VINCIARELLI
25 Frontage Road
Andover
�
MA
�
01810 | Common | 06/04/2026 | 20000 | 6237098.00 |
10b5-1 Sales for PATRIZIO VINCIARELLI
25 Frontage Road
Andover
�
MA
�
01810 | Common | 06/03/2026 | 20000 | 6603841.00 |
10b5-1 Sales for PATRIZIO VINCIARELLI
25 Frontage Road
Andover
�
MA
�
01810 | Common | 06/02/2026 | 20000 | 6541527.00 |
10b5-1 Sales for PATRIZIO VINCIARELLI
25 Frontage Road
Andover
�
MA
�
01810 | Common | 06/01/2026 | 20000 | 6437096.00 |
10b5-1 Sales for PATRIZIO VINCIARELLI
25 Frontage Road
Andover
�
MA
�
01810 | Common | 05/29/2026 | 20000 | 6557429.00 |
10b5-1 Sales for PATRIZIO VINCIARELLI
25 Frontage Road
Andover
�
MA
�
01810 | Common | 05/28/2026 | 20000 | 6842041.00 |
Brigham and Women's Hospital
25 Frontage Road
Andover
�
MA
�
01810 | Common | 05/14/2026 | 3500 | 1043623.00 |
Lahey Hospital & Medical Center
25 Frontage Road
Andover
�
MA
�
01810 | Common | 05/14/2026 | 3500 | 1054410.00 |
PATRIZIO VINCIARELLI
25 Frontage Road
Andover
�
MA
�
01810 | Common | 04/24/2026 | 4000 | 1092343.20 |
10b5-1 Sales for PATRIZIO VINCIARELLI
25 Frontage Road
Andover
�
MA
�
01810 | Common | 04/16/2026 | 40000 | 7905592.00 |
10b5-1 Sales for PATRIZIO VINCIARELLI
25 Frontage Road
Andover
�
MA
�
01810 | Common | 04/15/2026 | 50000 | 9660511.00 |
10b5-1 Sales for PATRIZIO VINCIARELLI
25 Frontage Road
Andover
�
MA
�
01810 | Common | 04/14/2026 | 19778 | 3748047.00 |
10b5-1 Sales for PATRIZIO VINCIARELLI
25 Frontage Road
Andover
�
MA
�
01810 | Common | 04/09/2026 | 24943 | 4670064.00 |
10b5-1 Sales for PATRIZIO VINCIARELLI
25 Frontage Road
Andover
�
MA
�
01810 | Common | 03/25/2026 | 50000 | 9184896.98 |
10b5-1 Sales for PATRIZIO VINCIARELLI
25 Frontage Road
Andover
�
MA
�
01810 | Common | 03/24/2026 | 23179 | 4170596.09 |
10b5-1 Sales for PATRIZIO VINCIARELLI
25 Frontage Road
Andover
�
MA
�
01810 | Common | 03/23/2026 | 5924 | 1039490.00 |
10b5-1 Sales for PATRIZIO VINCIARELLI
25 Frontage Road
Andover
�
MA
�
01810 | Common | 03/20/2026 | 44076 | 7928258.16 |
10b5-1 Sales for PATRIZIO VINCIARELLI
25 Frontage Road
Andover
�
MA
�
01810 | Common | 03/19/2026 | 50000 | 8969588.75 |
10b5-1 Sales for PATRIZIO VINCIARELLI
25 Frontage Road
Andover
�
MA
�
01810 | Common | 03/18/2026 | 50000 | 9809142.46 |
10b5-1 Sales for PATRIZIO VINCIARELLI
25 Frontage Road
Andover
�
MA
�
01810 | Common | 03/17/2026 | 50000 | 9532498.30 |
10b5-1 Sales for PATRIZIO VINCIARELLI
25 Frontage Road
Andover
�
MA
�
01810 | Common | 03/16/2026 | 50000 | 9233644.50 |
10b5-1 Sales for PATRIZIO VINCIARELLI
25 Frontage Road
Andover
�
MA
�
01810 | Common | 03/13/2026 | 50000 | 8542808.13 |
10b5-1 Sales for PATRIZIO VINCIARELLI
25 Frontage Road
Andover
�
MA
�
01810 | Common | 03/12/2026 | 50000 | 8372990.00 |
10b5-1 Sales for PATRIZIO VINCIARELLI
25 Frontage Road
Andover
�
MA
�
01810 | Common | 03/11/2026 | 50000 | 8870435.00 |
10b5-1 Sales for PATRIZIO VINCIARELLI
25 Frontage Road
Andover
�
MA
�
01810 | Common | 03/10/2026 | 50000 | 8862570.00 |
10b5-1 Sales for PATRIZIO VINCIARELLI
25 Frontage Road
Andover
�
MA
�
01810 | Common | 03/09/2026 | 50000 | 8212935.00 |
10b5-1 Sales for PATRIZIO VINCIARELLI
25 Frontage Road
Andover
�
MA
�
01810 | Common | 03/06/2026 | 50000 | 8314785.00 |
144: Remarks and Signature
Remarks |
|
Date of Notice | 06/05/2026
|
Date of Plan Adoption or Giving of Instruction, If Relying on Rule 10b5-1 | 02/26/2026
|
ATTENTION:
|
The person for whose account the securities to which this notice relates are to be sold hereby represents by signing
this notice that he does not know any material adverse information in regard to the current and prospective
operations of the Issuer of the securities to be sold which has not been publicly disclosed. If such person has
adopted a written trading plan or given trading instructions to satisfy Rule 10b5-1 under the Exchange Act, by
signing the form and indicating the date that the plan was adopted or the instruction given, that person makes
such representation as of the plan adoption or instruction date.
|
Signature | /s/ Patrizio Vinciarelli
|
ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)
|
### 144
144
0000901484
XXXXXXXX
LIVE
0000751978
VICOR CORPORATION
000-18277
25 Frontage Road
Andover
MA
01810
9784702900
PATRIZIO VINCIARELLI
Director
Officer
10% Stockholder
Common
Morgan Stanley Smith Barney LLC Executive Financial Services
1 New York Plaza
8th Floor
New York
NY
10004
20000
6122400.00
33863689
06/05/2026
NASDAQ
Common
11/10/1981
Founders Shares
Issuer
N
20000
11/10/1981
N/A
N
10b5-1 Sales for PATRIZIO VINCIARELLI
25 Frontage Road
Andover
MA
01810
Common
06/04/2026
20000
6237098.00
10b5-1 Sales for PATRIZIO VINCIARELLI
25 Frontage Road
Andover
MA
01810
Common
06/03/2026
20000
6603841.00
10b5-1 Sales for PATRIZIO VINCIARELLI
25 Frontage Road
Andover
MA
01810
Common
06/02/2026
20000
6541527.00
10b5-1 Sales for PATRIZIO VINCIARELLI
25 Frontage Road
Andover
MA
01810
Common
06/01/2026
20000
6437096.00
10b5-1 Sales for PATRIZIO VINCIARELLI
25 Frontage Road
Andover
MA
01810
Common
05/29/2026
20000
6557429.00
10b5-1 Sales for PATRIZIO VINCIARELLI
25 Frontage Road
Andover
MA
01810
Common
05/28/2026
20000
6842041.00
Brigham and Women's Hospital
25 Frontage Road
Andover
MA
01810
Common
05/14/2026
3500
1043623.00
Lahey Hospital & Medical Center
25 Frontage Road
Andover
MA
01810
Common
05/14/2026
3500
1054410.00
PATRIZIO VINCIARELLI
25 Frontage Road
Andover
MA
01810
Common
04/24/2026
4000
1092343.20
10b5-1 Sales for PATRIZIO VINCIARELLI
25 Frontage Road
Andover
MA
01810
Common
04/16/2026
40000
7905592.00
10b5-1 Sales for PATRIZIO VINCIARELLI
25 Frontage Road
Andover
MA
01810
Common
04/15/2026
50000
9660511.00
10b5-1 Sales for PATRIZIO VINCIARELLI
25 Frontage Road
Andover
MA
01810
Common
04/14/2026
19778
3748047.00
10b5-1 Sales for PATRIZIO VINCIARELLI
25 Frontage Road
Andover
MA
01810
Common
04/09/2026
24943
4670064.00
10b5-1 Sales for PATRIZIO VINCIARELLI
25 Frontage Road
Andover
MA
01810
Common
03/25/2026
50000
9184896.98
10b5-1 Sales for PATRIZIO VINCIARELLI
25 Frontage Road
Andover
MA
01810
Common
03/24/2026
23179
4170596.09
10b5-1 Sales for PATRIZIO VINCIARELLI
25 Frontage Road
Andover
MA
01810
Common
03/23/2026
5924
1039490.00
10b5-1 Sales for PATRIZIO VINCIARELLI
25 Frontage Road
Andover
MA
01810
Common
03/20/2026
44076
7928258.16
10b5-1 Sales for PATRIZIO VINCIARELLI
25 Frontage Road
Andover
MA
01810
Common
03/19/2026
50000
8969588.75
10b5-1 Sales for PATRIZIO VINCIARELLI
25 Frontage Road
Andover
MA
01810
Common
03/18/2026
50000
9809142.46
10b5-1 Sales for PATRIZIO VINCIARELLI
25 Frontage Road
Andover
MA
01810
Common
03/17/2026
50000
9532498.30
10b5-1 Sales for PATRIZIO VINCIARELLI
25 Frontage Road
Andover
MA
01810
Common
03/16/2026
50000
9233644.50
10b5-1 Sales for PATRIZIO VINCIARELLI
25 Frontage Road
Andover
MA
01810
Common
03/13/2026
50000
8542808.13
10b5-1 Sales for PATRIZIO VINCIARELLI
25 Frontage Road
Andover
MA
01810
Common
03/12/2026
50000
8372990.00
10b5-1 Sales for PATRIZIO VINCIARELLI
25 Frontage Road
Andover
MA
01810
Common
03/11/2026
50000
8870435.00
10b5-1 Sales for PATRIZIO VINCIARELLI
25 Frontage Road
Andover
MA
01810
Common
03/10/2026
50000
8862570.00
10b5-1 Sales for PATRIZIO VINCIARELLI
25 Frontage Road
Andover
MA
01810
Common
03/09/2026
50000
8212935.00
10b5-1 Sales for PATRIZIO VINCIARELLI
25 Frontage Road
Andover
MA
01810
Common
03/06/2026
50000
8314785.00
06/05/2026
02/26/2026
/s/ Patrizio Vinciarelli