Comparable stake leader
Patricia Gallup
SEC ownership of PC CONNECTION INC
Top holders, 13D/G large-stake signals, insider positions, and transaction flow tied to CIK 0001050377.
Disclosed value leader
Patricia Gallup
Comparable rows
3/50
Latest evidence
29 Oct 2026
- Public ticker
- CNXN on Nasdaq
- Parsed ownership sources
-
13D/G, 3/4/5, and 13F
Source: Parsed SEC ownership filingsUse: Compare filing families carefully
- Largest SEC-reported holder
-
Patricia Gallup
Ranking: Comparable ownership first, then disclosed value
- Comparable ownership rows
-
3 of 50
Meaning: Rows with safely comparable ownership %
- Latest 13D/G holder
-
Patricia Gallup
Source: Latest parsed Schedule 13D/G stake
- Latest parsed ownership date
-
29 Oct 2026
Freshness: Most recent filing date in this holder set
- Issuer CIK
- 0001050377
- Issuer location
- Merrimack, NH
Ownership snapshot
CIK-linked ownership evidence from parsed SEC filings.
3 signals
Issuer
Names, identifiers, and filing context for this profile.
2 identity fields
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
3/50
Latest evidence
29 Oct 2026
13D/G
3/4/5
13F
Lead comparable stake: 54%
47 rows are not safely comparable across share classes.
13D/G row: Patricia Gallup
Showing 1-8 of 50 holder rows.
Quick read
Patricia Gallup leads the comparable SEC ownership view at 54%.
3 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 3
Patricia Gallup
54%
BlackRock, Inc.
7.1%
DIMENSIONAL FUND ADVISORS LP
6.1%
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%
Reported 13D/G
· 15 Sep 2025
|
$866,319,240
13,779,533 shares
|
-$188,610 | 15 Sep 2025 |
| BlackRock, Inc. |
13F
13D/G
Company
|
7.1%
Reported 13D/G
· 31 Mar 2025
|
$158,832,663
2,176,088 shares
|
— | 30 Jun 2026 |
| DIMENSIONAL FUND ADVISORS LP |
13F
13D/G
Company
|
6.1%
Reported 13D/G
· 30 Jun 2025
|
$112,393,517
1,539,863 shares
|
— | 30 Jun 2026 |
| David Hall Trust 2003 |
3/4/5
10%+ Owner
|
—
denominator unverified
|
$658,647,302
7,497,686 shares
|
-$6,035,449 | 20 Oct 2026 |
| PC CONNECTION INC |
3/4/5
10%+ Owner
|
—
denominator unverified
|
$638,244,894
7,519,002 shares
|
-$5,445,421 | 04 Aug 2026 |
| Estate of David McLellan Hall |
3/4/5
10%+ Owner
|
—
denominator unverified
|
$481,927,687
7,144,962 shares
|
— | 10 Sep 2021 |
| VANGUARD PORTFOLIO MANAGEMENT LLC |
13F
Company
|
—
denominator unverified
|
$37,062,570
507,776 shares
|
— | 30 Jun 2026 |
| VANGUARD CAPITAL MANAGEMENT LLC |
13F
Company
|
—
denominator unverified
|
$36,663,680
502,311 shares
|
— | 30 Jun 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
Net insider flow leans to selling over the last 12 months. Net value: -$29,492,714.
Buys
$0
Insiders: 0
Sells
$29,492,714
Insiders: 7
Net
-$29,492,714
Shares: -362,728
Window
Last 12 months
4 rolling buckets
Buy value
Sell value
Shares: 0
Shares: 362,728
| Window (months) | Buy shares | Sell shares | Buy value | Sell value | Net value |
|---|---|---|---|---|---|
| 0-3 | 0 | 226,408 | $0 | $19,210,280 | -$19,210,280 |
| 3-6 | 0 | 136,320 | $0 | $10,282,434 | -$10,282,434 |
| 6-9 | 0 | 0 | $0 | $0 | $0 |
| 9-12 | 0 | 0 | $0 | $0 | $0 |
Reporting owners
Insider holders from Forms 3/4/5
Showing 1-13 of 13 reporting-owner rows connected to PC CONNECTION INC. Open a relationship link for the CIK-to-CIK filing trail.
Rows
13
Largest Forms 3/4/5 holder
Patricia Gallup
Net 12M change
-$29.49M
Full value: -$29,492,714 · USD · 12-month changeLatest report
29 Oct 2026
| Name | Relationship | Holdings Value | Past Year Net Change | Change % | Valuation | Report Date |
|---|---|---|---|---|---|---|
| Patricia Gallup | Chairman & Chief Admin Officer, Director, 10%+ Owner | $659,554,952 | -$11,480,870 | -1.7% | Mixed | 20 Oct 2026 |
| David Hall Trust 2003 | 10%+ Owner | $658,647,302 | -$6,035,449 | -0.91% | Mixed | 20 Oct 2026 |
| PC CONNECTION INC | 10%+ Owner | $638,244,894 | -$5,445,421 | -0.85% | Mixed | 04 Aug 2026 |
| Estate of David McLellan Hall | 10%+ Owner | $481,927,687 | Mixed | 10 Sep 2021 | ||
| Timothy J. McGrath | Ceo | $23,717,171 | -$4,294,168 | -15% | Mixed | 29 Oct 2026 |
| Jack L. Ferguson | Director | $5,117,285 | Mixed | 01 Sep 2026 | ||
| Negrini David Beffa | Director | $4,921,672 | -$405,250 | -7.6% | Mixed | 01 Sep 2026 |
| Thomas C. Baker | Sr. VP, CFO & Treasurer | $4,003,207 | -$1,663,836 | -29% | Mixed | 31 Jul 2026 |
| Barbara Duckett | Director | $1,336,184 | -$167,720 | -11% | Mixed | 01 Sep 2026 |
| Gary J. Kinyon | Director | $571,331 | Mixed | 14 Mar 2026 | ||
| Jay E. Bothwick | Director | $515,368 | Mixed | 30 Jun 2026 | ||
| Comack Trust | 10%+ Owner | $0 | Mixed | 08 May 2024 | ||
| Matthew David Zafirovski | President & COO | Mixed | 12 Oct 2026 |
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 | -0.78% | -1,968 | 249,440 | 29 Oct 2026 | Direct | ||
| Timothy J. McGrath | CNXN | Common Stock | Options Exercise | 2.03% | 5,000 | 251,408 | 29 Oct 2026 | Direct | ||
| Timothy J. McGrath | CNXN | Restricted Stock Units | Options Exercise | -100% | -5,000 | 0 | 29 Oct 2026 | Direct | ||
| Gallup Patricia | CNXN | Common Stock | Sale | -0.1% | -$627,143 | $87.20 | -7,192 | 6,899,191 | 21 Oct 2026 | By Trust |
| Patricia Gallup | CNXN | Common Stock | Sale | -0.1% | -$627,143 | $87.20 | -7,192 | 6,899,191 | 21 Oct 2026 | By Trust |
| Gallup Patricia | CNXN | Common Stock | Sale | -0.12% | -$692,887 | $86.57 | -8,004 | 6,906,383 | 20 Oct 2026 | By Trust |
| Patricia Gallup | CNXN | Common Stock | Sale | -0.12% | -$692,887 | $86.57 | -8,004 | 6,906,383 | 20 Oct 2026 | By Trust |
| Matthew David Zafirovski | CNXN | Restricted Stock Units | Award | 25,000 | 25,000 | 12 Oct 2026 | Direct | |||
| Gallup Patricia | CNXN | Common Stock | Sale | -0.09% | -$573,645 | $92.08 | -6,230 | 6,914,387 | 06 Oct 2026 | By Trust |
| Patricia Gallup | CNXN | Common Stock | Sale | -0.09% | -$573,645 | $92.08 | -6,230 | 6,914,387 | 06 Oct 2026 | By Trust |
| Gallup Patricia | CNXN | Common Stock | Sale | -0.1% | -$661,070 | $92.56 | -7,142 | 6,920,617 | 05 Oct 2026 | By Trust |
| Patricia Gallup | CNXN | Common Stock | Sale | -0.1% | -$661,070 | $92.56 | -7,142 | 6,920,617 | 05 Oct 2026 | By Trust |
| Gallup Patricia | CNXN | Common Stock | Sale | -0.1% | -$608,352 | $85.18 | -7,142 | 6,927,759 | 15 Sep 2026 | By Trust |
| Patricia Gallup | CNXN | Common Stock | Sale | -0.1% | -$608,352 | $85.18 | -7,142 | 6,927,759 | 15 Sep 2026 | By Trust |
| Gallup Patricia | CNXN | Common Stock | Sale | -0.1% | -$610,092 | $85.42 | -7,142 | 6,934,901 | 14 Sep 2026 | By Trust |
| Patricia Gallup | CNXN | Common Stock | Sale | -0.1% | -$610,092 | $85.42 | -7,142 | 6,934,901 | 14 Sep 2026 | By Trust |
| Gallup Patricia | CNXN | Common Stock | Sale | -0.1% | -$575,505 | $80.58 | -7,142 | 6,942,043 | 02 Sep 2026 | By Trust |
| Patricia Gallup | CNXN | Common Stock | Sale | -0.1% | -$575,505 | $80.58 | -7,142 | 6,942,043 | 02 Sep 2026 | By Trust |
| Gallup Patricia | CNXN | Common Stock | Sale | -0.1% | -$563,934 | $78.96 | -7,142 | 6,949,185 | 01 Sep 2026 | By Trust |
| Patricia Gallup | CNXN | Common Stock | Sale | -0.1% | -$563,934 | $78.96 | -7,142 | 6,949,185 | 01 Sep 2026 | By Trust |
| Patricia Gallup | CNXN | Common Stock | Options Exercise | 0.09% | 500 | 533,758 | 01 Sep 2026 | Direct | ||
| Patricia Gallup | CNXN | Restricted Stock Units | Options Exercise | -50% | -500 | 500 | 01 Sep 2026 | Direct | ||
| Timothy J. McGrath | CNXN | Common Stock | Tax liability | -1.57% | -3,935 | 246,408 | 01 Sep 2026 | Direct | ||
| Timothy J. McGrath | CNXN | Common Stock | Options Exercise | 4.16% | 10,000 | 250,343 | 01 Sep 2026 | Direct | ||
| Timothy J. McGrath | CNXN | Restricted Stock Units | Options Exercise | -66.7% | -10,000 | 5,000 | 01 Sep 2026 | Direct | ||
| Barbara Duckett | CNXN | Common Stock | Options Exercise | 3.08% | 500 | 16,752 | 01 Sep 2026 | Direct | ||
| Barbara Duckett | CNXN | Restricted Stock Units | Options Exercise | -50% | -500 | 500 | 01 Sep 2026 | Direct | ||
| Negrini David Beffa | CNXN | Common Stock | Options Exercise | 0.76% | 500 | 65,875 | 01 Sep 2026 | Direct | ||
| Negrini David Beffa | CNXN | Restricted Stock Units | Options Exercise | -50% | -500 | 500 | 01 Sep 2026 | Direct | ||
| Jack L. Ferguson | CNXN | Common Stock | Options Exercise | 0.73% | 500 | 68,555 | 01 Sep 2026 | Direct | ||
| Jack L. Ferguson | CNXN | Restricted Stock Units | Options Exercise | -50% | -500 | 500 | 01 Sep 2026 | Direct | ||
| Gallup Patricia | CNXN | Common Stock | Sale | -0.1% | -$561,161 | $78.57 | -7,142 | 6,956,327 | 18 Aug 2026 | By Trust |
| Patricia Gallup | CNXN | Common Stock | Sale | -0.1% | -$561,161 | $78.57 | -7,142 | 6,956,327 | 18 Aug 2026 | By Trust |
| Gallup Patricia | CNXN | Common Stock | Sale | -0.1% | -$561,660 | $78.64 | -7,142 | 6,963,469 | 17 Aug 2026 | By Trust |
| Patricia Gallup | CNXN | Common Stock | Sale | -0.1% | -$561,660 | $78.64 | -7,142 | 6,963,469 | 17 Aug 2026 | By Trust |
| Negrini David Beffa | CNXN | Common Stock | Sale | -7.59% | -$405,250 | $81.05 | -5,000 | 60,875 | 14 Aug 2026 | Direct |
| Gallup Patricia | CNXN | Common Stock | Sale | -0.1% | -$603,337 | $84.48 | -7,142 | 6,970,611 | 05 Aug 2026 | By Trust |
| Patricia Gallup | CNXN | Common Stock | Sale | -0.1% | -$603,337 | $84.48 | -7,142 | 6,970,611 | 05 Aug 2026 | By Trust |
| Gallup Patricia | CNXN | Common Stock | Sale | -0.1% | -$616,646 | $86.34 | -7,142 | 6,977,753 | 04 Aug 2026 | By Trust |
| Patricia Gallup | CNXN | Common Stock | Sale | -0.1% | -$616,646 | $86.34 | -7,142 | 6,977,753 | 04 Aug 2026 | By Trust |
| Timothy J. McGrath | CNXN | Common Stock | Sale | -5.62% | -$1,235,944 | $86.30 | -14,321 | 240,343 | 04 Aug 2026 | Direct |
| Timothy J. McGrath | CNXN | Common Stock | Sale | -12.3% | -$3,058,224 | $85.72 | -35,679 | 254,664 | 03 Aug 2026 | Direct |
| Thomas C. Baker | CNXN | Common Stock | Sale | -35.7% | -$1,663,836 | $83.19 | -20,000 | 36,092 | 31 Jul 2026 | Direct |
| Barbara Duckett | CNXN | Common Stock | Sale | -11% | -$167,720 | $83.86 | -2,000 | 16,252 | 31 Jul 2026 | Direct |
| Gallup Patricia | CNXN | Common Stock | Sale | -0.1% | -$575,431 | $80.57 | -7,142 | 6,984,895 | 23 Jul 2026 | By Trust |
| Patricia Gallup | CNXN | Common Stock | Sale | -0.1% | -$575,431 | $80.57 | -7,142 | 6,984,895 | 23 Jul 2026 | By Trust |
| Gallup Patricia | CNXN | Common Stock | Sale | -0.1% | -$571,691 | $80.05 | -7,142 | 6,992,037 | 22 Jul 2026 | By Trust |
| Patricia Gallup | CNXN | Common Stock | Sale | -0.1% | -$571,691 | $80.05 | -7,142 | 6,992,037 | 22 Jul 2026 | By Trust |
| Gallup Patricia | CNXN | Common Stock | Sale | -0.1% | -$529,294 | $74.11 | -7,142 | 6,999,179 | 07 Jul 2026 | By Trust |
| Patricia Gallup | CNXN | Common Stock | Sale | -0.1% | -$529,294 | $74.11 | -7,142 | 6,999,179 | 07 Jul 2026 | By Trust |
* marks a reported price that did not pass the local price check.