Spok Holdings, Inc. (SPOK)
Nasdaq: SPOK · Radiotelephone Communications · Plano, TX · filing with the SEC since 2004
Grade5.6
◀ Past 4.9● Present 6.3▶ Future 5.3
Who owns Spok Holdings, Inc.
As filed with the SECHolders of 5% or more
1
Renaissance Technologies LLC holds 5.13% of Common Stock, par value $0.0001 per share, as its SCHEDULE 13G filed Aug 13, 2025 says.
Directors and officers
9
report now, of 22 people on the record since 2006. Their holdings as a group are not read here.
Institutions as a whole
n/a
The record does not read the share held by managers that file Form 13F, so none is printed and no split of the rest is estimated. What it holds is the 1 named at left.
Holders of 5% or moreshare of the class, as filed
Renaissance Technologies LLC
SCHEDULE 13G · filed Aug 13, 2025 · Common Stock, par value $0.0001 per share
The Vanguard Group
SCHEDULE 13G/A · filed Mar 27, 2026 · Common Stock · reported falling below 5%, from 5.58% in Jul 29, 2025
What SPOK reports owning in othersstakes of 5% or more, and other ties
Spok Holdings, Inc. reports no stake in another company in the record.
Insider tradesForm 4
5sales
5purchases
0sales on a scheduled plan
3people selling
$600,000sold, in dollars
$500,000bought, in dollars
Open-market trades on Form 4 from Nov 4, 2025 to Nov 4, 2026. A scheduled plan is a selling program set in advance under SEC rule 10b5-1. The trades are listed as filed and do not feed the grade.
By calendar yearSoldBought
2026 runs to Nov 4, 2026. Dollars as filed, summed by the transaction date.
People who traded in the window5 of 22 on the roster
| Person | Role as filed | Sales | Sold | On a plan | Buys | Bought |
|---|---|---|---|---|---|---|
| Woods-Keisling Sharon | Corporate Secretary, Treasurer | 2 | $300,000 | 0 | 0 | $0 |
| Shockley Brett A | director | 2 | $200,000 | 0 | 0 | $0 |
| Cournoyer Christine | director | 1 | $100,000 | 0 | 0 | $0 |
| Stein Todd J | director | 0 | $0 | 0 | 3 | $400,000 |
| Kelly Vincent D | President & CEO | 0 | $0 | 0 | 2 | $100,000 |