SEC ownership of PC CONNECTION INC

Top holders, 13D/G large-stake signals, insider positions, and transaction flow tied to CIK 0001050377.

Comparable stake leader

Patricia Gallup

Disclosed value leader

Patricia Gallup

Comparable rows

50/50

Latest evidence

31 Mar 2026

Ownership snapshot CIK-linked ownership evidence from parsed SEC filings. 2 signals
Latest 13D/G holder
Patricia Gallup
Latest parsed ownership date
31 Mar 2026
Issuer Names, identifiers, and filing context for this profile. 2 identity fields
Issuer CIK
0001050377
Issuer location
Merrimack, NH

Ownership snapshot

Top shareholders of PC CONNECTION INC (13F + 13D/G + 3/4/5)

Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.

Comparable stake leader
Patricia Gallup
Disclosed value leader
Patricia Gallup
Comparable rows
50/50
Latest evidence
31 Mar 2026
13D/G 3/4/5 13F Lead comparable stake: 54% 13D/G row: Patricia Gallup Showing 1-8 of 50 holder rows.

Quick read

Patricia Gallup leads the comparable SEC ownership view at 54%.

50 of 50 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.

Open SEC evidence Opens Patricia Gallup's linked filing trail.
Comparable ownership Top 5
Patricia Gallup 54%
BlackRock, Inc. 7.1%
DIMENSIONAL FUND ADVISORS LP 6.1%
VANGUARD CAPITAL MANAGEMENT LLC 2%
VANGUARD PORTFOLIO MANAGEMENT LLC 1.9%

Ownership % is shown only when SEC disclosures are safely comparable across share classes.

Detailed SEC evidence table Showing 1-8 of 50 holder rows
Holder Evidence Ownership % Position 12M Net Δ As of
Patricia Gallup
13D/G 3/4/5
Chairman & Chief Admin Officer, Director, 10%+ Owner
54%
$866,319,240
13,779,533 shares
-$188,610 15 Sep 2025
BlackRock, Inc.
13F 13D/G
Company
7.1%
from 13D/G
$129,877,777
2,221,652 shares
31 Mar 2026
DIMENSIONAL FUND ADVISORS LP
13D/G 13F
Company
6.1%
$101,853,969
1,548,408 shares
$0 30 Jun 2025
VANGUARD CAPITAL MANAGEMENT LLC
13F
Company
13F
2%
$29,734,919
508,637 shares
31 Mar 2026
VANGUARD PORTFOLIO MANAGEMENT LLC
13F
Company
13F
1.9%
$28,684,977
490,677 shares
31 Mar 2026
STATE STREET CORP
13F
Company
13F
1.8%
$26,313,723
450,115 shares
31 Mar 2026
GEODE CAPITAL MANAGEMENT, LLC
13F
Company
13F
1.5%
$22,859,993
390,990 shares
31 Mar 2026
BROWN ADVISORY INC
13F
Company
13F
1.3%
$19,917,867
340,709 shares
31 Mar 2026
How to read this table

Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.

Forms 3/4/5 flow

Insider trading overview

Insider buy and sell flow is broadly balanced over the last 12 months. No Buy or Sell transactions have been reported since 06 Jun 2025.

Buys
$0
Insiders: 0
Sells
$0
Insiders: 0
Net
$0
Shares: 0
Window
Last 12 months
4 rolling buckets
Buy value Sell value
Shares: 0 Shares: 0
Window (months) Buy shares Sell shares Buy value Sell value Net value
0-3 0 0 $0 $0 $0
3-6 0 0 $0 $0 $0
6-9 0 0 $0 $0 $0
9-12 0 0 $0 $0 $0

Reporting owners

Insider holders from Forms 3/4/5

Showing 1-11 of 11 reporting-owner rows connected to PC CONNECTION INC. Open a relationship link for the CIK-to-CIK filing trail.

Rows
11
Largest Forms 3/4/5 holder
Estate of David McLellan Hall
Net 12M change
$0
Latest report
01 Apr 2026
Name Relationship Holdings Value Past Year Net Change Change % Valuation Report Date
Estate of David McLellan Hall 10%+ Owner $481,927,687 Mixed 10 Sep 2021
PC CONNECTION INC 10%+ Owner $464,053,437 Mixed 13 Mar 2023
Patricia Gallup Chairman & Chief Admin Officer, Director, 10%+ Owner $303,830,489 Mixed 14 Mar 2026
Timothy J. McGrath President & CEO $17,980,411 Mixed 01 Apr 2026
Thomas C. Baker Sr. VP, CFO & Treasurer $4,711,177 Mixed 14 Mar 2026
Jack L. Ferguson Director $4,645,919 Mixed 14 Mar 2026
Negrini David Beffa Director $4,467,431 Mixed 14 Mar 2026
Barbara Duckett Director $1,329,039 Mixed 14 Mar 2026
Gary J. Kinyon Director $571,331 Mixed 14 Mar 2026
Jay E. Bothwick Director $488,081 Mixed 14 Mar 2026
Comack Trust 10%+ Owner $0 Mixed 08 May 2024

Recent insider transactions for PC CONNECTION INC

Showing up to 300 recent insider transactions from the last 12 months.

Insider Symbol Class Transaction % SEC-reported value SEC-reported price Shares Shares owned Date Ownership
Timothy J. McGrath CNXN Common Stock Tax liability -1.34% -3,935 290,343 01 Apr 2026 Direct
Timothy J. McGrath CNXN Common Stock Options Exercise 3.52% 10,000 294,278 01 Apr 2026 Direct
Timothy J. McGrath CNXN Restricted Stock Units Options Exercise -50% -10,000 10,000 01 Apr 2026 Direct
Jay E. Bothwick CNXN Common Stock Options Exercise 12.5% 625 5,625 14 Mar 2026 Direct
Jay E. Bothwick CNXN Restricted Stock Units Options Exercise -33.3% -625 1,250 14 Mar 2026 Direct
Gary J. Kinyon CNXN Common Stock Options Exercise 10% 625 6,875 14 Mar 2026 Direct
Gary J. Kinyon CNXN Restricted Stock Units Options Exercise -33.3% -625 1,250 14 Mar 2026 Direct
Jack L. Ferguson CNXN Common Stock Options Exercise 0.93% 625 68,055 14 Mar 2026 Direct
Jack L. Ferguson CNXN Restricted Stock Units Options Exercise -33.3% -625 1,250 14 Mar 2026 Direct
Barbara Duckett CNXN Common Stock Options Exercise 3.55% 625 18,252 14 Mar 2026 Direct
Barbara Duckett CNXN Restricted Stock Units Options Exercise -33.3% -625 1,250 14 Mar 2026 Direct
Negrini David Beffa CNXN Common Stock Options Exercise 0.97% 625 65,375 14 Mar 2026 Direct
Negrini David Beffa CNXN Restricted Stock Units Options Exercise -33.3% -625 1,250 14 Mar 2026 Direct
Patricia Gallup CNXN Common Stock Options Exercise 0.2% 5,000 2,533,258 14 Mar 2026 Direct
Patricia Gallup CNXN Restricted Stock Units Options Exercise -33.3% -5,000 10,000 14 Mar 2026 Direct
Timothy J. McGrath CNXN Common Stock Tax liability -1.37% -3,935 284,278 14 Mar 2026 Direct
Timothy J. McGrath CNXN Common Stock Options Exercise 3.59% 10,000 288,213 14 Mar 2026 Direct
Timothy J. McGrath CNXN Restricted Stock Units Options Exercise -33.3% -10,000 20,000 14 Mar 2026 Direct
Thomas C. Baker CNXN Common Stock Tax liability -2.61% -1,501 56,092 14 Mar 2026 Direct
Thomas C. Baker CNXN Common Stock Options Exercise 9.51% 5,000 57,593 14 Mar 2026 Direct
Thomas C. Baker CNXN Restricted Stock Units Options Exercise -33.3% -5,000 10,000 14 Mar 2026 Direct
Patricia Gallup CNXN Common Stock Options Exercise 0.2% 5,000 2,528,258 10 Feb 2026 Direct
Patricia Gallup CNXN Restricted Stock Units Options Exercise -25% -5,000 15,000 10 Feb 2026 Direct
Timothy J. McGrath CNXN Common Stock Tax liability -0.88% -2,470 278,213 10 Feb 2026 Direct
Timothy J. McGrath CNXN Common Stock Options Exercise 3.69% 10,000 280,683 10 Feb 2026 Direct
Timothy J. McGrath CNXN Restricted Stock Units Options Exercise -25% -10,000 30,000 10 Feb 2026 Direct
Gary J. Kinyon CNXN Common Stock Options Exercise 11.1% 625 6,250 10 Feb 2026 Direct
Gary J. Kinyon CNXN Restricted Stock Units Options Exercise -25% -625 1,875 10 Feb 2026 Direct
Jack L. Ferguson CNXN Common Stock Options Exercise 0.94% 625 67,430 10 Feb 2026 Direct
Jack L. Ferguson CNXN Restricted Stock Units Options Exercise -25% -625 1,875 10 Feb 2026 Direct
Barbara Duckett CNXN Common Stock Options Exercise 3.68% 625 17,627 10 Feb 2026 Direct
Barbara Duckett CNXN Restricted Stock Units Options Exercise -25% -625 1,875 10 Feb 2026 Direct
Negrini David Beffa CNXN Common Stock Options Exercise 0.97% 625 64,750 10 Feb 2026 Direct
Negrini David Beffa CNXN Restricted Stock Units Options Exercise -25% -625 1,875 10 Feb 2026 Direct
Thomas C. Baker CNXN Common Stock Tax liability -2.46% -1,324 52,593 10 Feb 2026 Direct
Thomas C. Baker CNXN Common Stock Options Exercise 10.2% 5,000 53,917 10 Feb 2026 Direct
Thomas C. Baker CNXN Restricted Stock Units Options Exercise -25% -5,000 15,000 10 Feb 2026 Direct
Jay E. Bothwick CNXN Common Stock Options Exercise 14.3% 625 5,000 10 Feb 2026 Direct
Jay E. Bothwick CNXN Restricted Stock Units Options Exercise -25% -625 1,875 10 Feb 2026 Direct
Patricia Gallup CNXN Common Stock Options Exercise 0.05% 1,250 2,523,258 17 Dec 2025 Direct
Patricia Gallup CNXN Restricted Stock Units Options Exercise -100% -1,250 0 17 Dec 2025 Direct
Thomas C. Baker CNXN Common Stock Tax liability -3.87% -1,968 48,917 17 Dec 2025 Direct
Thomas C. Baker CNXN Common Stock Options Exercise 10.9% 5,000 50,885 17 Dec 2025 Direct
Thomas C. Baker CNXN Restricted Stock Units Options Exercise -100% -5,000 0 17 Dec 2025 Direct
Timothy J. McGrath CNXN Common Stock Tax liability -0.72% -1,968 270,683 17 Dec 2025 Direct
Timothy J. McGrath CNXN Common Stock Options Exercise 1.87% 5,000 272,651 17 Dec 2025 Direct
Timothy J. McGrath CNXN Restricted Stock Units Options Exercise -100% -5,000 0 17 Dec 2025 Direct
Gary J. Kinyon CNXN Common Stock Options Exercise 28.6% 1,250 5,625 17 Dec 2025 Direct
Gary J. Kinyon CNXN Restricted Stock Units Options Exercise -100% -1,250 0 17 Dec 2025 Direct
Jack L. Ferguson CNXN Common Stock Options Exercise 1.91% 1,250 66,805 17 Dec 2025 Direct
* marks a reported price that did not pass the local price check.
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