Harry M. Jansen Kraemer Jr. holds the role of Director at Leidos Holdings, Inc. (LDOS). Kraemer's filing history also covers Option Care Health, Inc. (OPCH). Kraemer has reported 21 insider filings with the SEC since 2024. The most recent filing was in July 2026.
Every role Harry M. Jansen Kraemer Jr. has reported on a Form 4, reconstructed from the filings themselves. Reporting insiders must state their relationship to the issuer (officer title, director seat, or 10% ownership) on every filing.
Leidos Holdings, Inc. (LDOS)2 filingsUpdated Aug 31, 2026
Harry M. Jansen Kraemer Jr. is Director of Leidos Holdings, Inc. (LDOS). 21 SEC Form 4 filings on record going back to 2024, most recently on 7 July 2026. Most recent open-market trade: bought $784K of OPCH on 5 May 2026. Lifetime open-market purchases: $3.72M. Historical track record: 3/5 stars across 4 tracked purchases.
Every recent SEC Form 4 transaction Harry M. Jansen Kraemer Jr. has reported, most recent first.
InsiderAlpha computes a forward-return-based score for every insider with enough Form 4 purchase history. The metrics below reflect realized performance after each tracked open-market purchase.
| Metric | Value |
|---|---|
| InsiderAlpha rating | ★★★☆☆ (3/5) |
| Total purchases tracked | 4 |
| Purchases with forward-return data | 4 |
| 30-day win rate | 75% |
| 90-day win rate | 100% |
| Avg 5-day return | +0.56% |
| Avg 30-day return | +4.76% |
| Avg 90-day return | +21.03% |
| Best 30-day return |
InsiderAlpha's records for Harry M. Jansen Kraemer Jr. go back to 2024: 21 primary Form 4 filings, an average of 7.0 per year. The typical open-market purchase is $929K (4 buys totaling $3.72M). The largest single buy on record is $987K of OPCH in 2025. No transaction on record carries a Rule 10b5-1 flag - the filings look discretionary rather than pre-scheduled, which makes their timing more informative as a signal.
Insiders who reported open-market trades in the last 12 months at the companies Harry M. Jansen Kraemer Jr. files at. Multiple unrelated insiders buying the same stock within a short window, cluster buying, has historically been one of the strongest Form 4 signals.
Other corporate insiders with significant SEC Form 4 track records on InsiderAlpha:
Harry M. Jansen Kraemer Jr. is a corporate insider, tracked as Director of Leidos Holdings, Inc. (LDOS). InsiderAlpha holds 21 primary Form 4 filings for them, the earliest from 2024, updated as new SEC EDGAR filings are processed.
2 primary Form 4 filings in the last 90 days, covering 1 company.
Recorded transactions: 4 open-market purchases ($3.72M) and 0 open-market sales across all tracked filings.
Across 4 tracked purchases, Harry M. Jansen Kraemer Jr. averaged +4.8% avg 30-day return with a 75% 30-day win rate. InsiderAlpha rates the track record at 3/5 stars.
All Form 4 filings, transaction values, and 10b5-1 plan flags are listed on this page and updated in real time as new SEC EDGAR filings are processed.
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$OPCH Option Care Health, Inc.12.1K shares @ $22.23$269K
| +14.53% |