NSP insider buying and SEC filings, explained
Insperity, Inc. · CIK 1000753
Tracked: Forms 3/4/5, 8-K, NT · All filings on sec.gov
Company profile
- Exchanges
- NYSE
- Industry (SIC)
- Services-Help Supply Services
- State of incorporation
- DE
- Fiscal year end
- Dec 31
- Former names
- ADMINISTAFF INC \DE\
Insider activity in the last 12 months
Bought
$15.9M
Insiders who bought
5
Sold (not marked 10b5-1)
$0
Planned sales (10b5-1)
$0
Insider purchases and sales, last 12 months
| Traded | Type | What was filed | Source |
|---|---|---|---|
| Jun 3, 2026 | Purchase (code P) | Paul J. Sarvadi (CEO and Director) bought 233,000 shares indirectly (by entity) at about $34.05 ($7.9M), reported as a purchase (code P). Holdings by entity up 27% to 1,105,912 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Jun 4, 2026 |
| May 5, 2026 | Purchase (code P) | Paul J. Sarvadi (CEO and Director) bought 100,000 shares at about $28.73 ($2.9M), reported as a purchase (code P). Holdings up 17% to 699,670 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed May 6, 2026 |
| Mar 17–19, 2026 | Purchase (code P) | Paul J. Sarvadi (CEO and Director) bought 201,987 shares directly and indirectly (by entity) between Mar 17 and Mar 19 at about $23.21 ($4.7M), reported as a purchase (code P). Direct holdings up 4% to 474,670 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Mar 19, 2026 |
| Mar 11, 2026 | Purchase (code P) | Ellen H. Masterson (Director) bought 1,200 shares at $19.90 ($24K), reported as a purchase (code P). Holdings up 6% to 20,980 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Mar 11, 2026 |
| Mar 11, 2026 | Purchase (code P) | Christian P Callens (SVP Legal, Gen Counsel & Sec) bought 1,250 shares at $19.28 ($24K), reported as a purchase (code P). Holdings up 4% to 29,600 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Mar 11, 2026 |
| Mar 10, 2026 | Purchase (code P) | James D. Allison (CFO) bought 10,000 shares at about $20.45 ($205K), reported as a purchase (code P). Holdings up 12% to 94,272 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Mar 11, 2026 |
| Nov 6–7, 2025 | Purchase (code P) | Randall Mehl (Director) bought 3,000 shares between Nov 6, 2025 and Nov 7, 2025 at about $34.13 ($102K), reported as a purchase (code P). Holdings up 13% to 25,707 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Nov 10, 2025 |
22 routine transactions (such as grants, option exercises or tax withholding) are not listed.
Cluster buys
4 insiders bought in 30 days
$4.9M in purchases since Mar 10, 2026 · Purchases traded Mar 10, 2026 to Mar 19, 2026 · Closed
| Insider | Value | Traded | Source |
|---|---|---|---|
| James D. Allison (CFO) | $205K | Mar 10, 2026 | SEC filing |
| Christian P Callens (SVP Legal, Gen Counsel & Sec) | $24K | Mar 11, 2026 | SEC filing |
| Ellen H. Masterson (Director) | $24K | Mar 11, 2026 | SEC filing |
| Paul J. Sarvadi (CEO) | $4.7M | Mar 19, 2026 | SEC filing |
Red flags
No red flags in the last 12 months.
Key events
No key events in the last 12 months.
8-K filings, last 12 months
| Filed | Items | Tag | Source |
|---|---|---|---|
| Oct 29, 2026, 8:06 AM ET 8-K | Earnings released (Item 2.02) | SEC filing |
Red flags are objective triggers only: the item or form filed, never an opinion.
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