CASPER MARC N
Director · Officer · TMO
As of 2026-09-16, CASPER MARC N has 233 Form 4 transactions on record across 1 company — 163 in the trailing 12 months.
Everything this person has disclosed to the SEC on Form 4 — across every company they file for — reconstructed from the public record. A filing history, not a tip sheet.
Pattern in the record: open-market sales filed in August in multiple years since 2025 — a recurring calendar cadence, more consistent with scheduled activity than a one-off decision.
Reconstructed holdings
- Direct $79.5M
- Indirect $0
| TMO | direct | 122,669 sh | $79.5M |
Reconstructed from this person's own Form 4 filings — the total each filing reported owning afterward, priced at the close on the as-of date shown. A filed position can lag the real one.
Direct and indirect holdings (e.g. through a trust or fund) are tagged separately, as filed.
Trades by company
Filing ledger
| Date | Company | Action | Shares @ price | Value | Ownership Δ | Owned after | Filing |
|---|---|---|---|---|---|---|---|
| 2026-08-24 | TMO | Sale | 101 @ $625.41 | $63K | −0.1% of holding | 124,099 | Form 4 |
| 2026-08-24 | TMO | Sale | 79 @ $628.01 | $50K | −0.1% of holding | 123,987 | Form 4 |
| 2026-08-24 | TMO | Sale | 62 @ $628.74 | $39K | −0.1% of holding | 123,925 | Form 4 |
| 2026-08-24 | TMO | Sale | 33 @ $626.59 | $21K | −0.0% of holding | 124,066 | Form 4 |
| 2026-08-21 | TMO | Sale | 3,014 @ $626.51 | $1.9M | −2.3% of holding | 128,184 | Form 4 |
| 2026-08-21 | TMO | Sale | 2,727 @ $625.46 | $1.7M | −2.0% of holding | 131,198 | Form 4 |
| 2026-08-21 | TMO | Sale | 2,147 @ $628.61 | $1.3M | −1.7% of holding | 124,246 | Form 4 |
| 2026-08-21 | TMO | Sale | 1,791 @ $627.39 | $1.1M | −1.4% of holding | 126,393 | Form 4 |
| 2026-08-21 | TMO | Sale | 321 @ $629.10 | $202K | −0.3% of holding | 123,925 | Form 4 |
| 2026-08-20 | TMO | Sale | 2,601 @ $628.82 | $1.6M | −2.0% of holding | 128,280 | Form 4 |
| 2026-08-20 | TMO | Sale | 1,430 @ $632.01 | $904K | −1.1% of holding | 124,565 | Form 4 |
| 2026-08-20 | TMO | Sale | 1,314 @ $627.66 | $825K | −1.0% of holding | 130,881 | Form 4 |
| 2026-08-20 | TMO | Sale | 1,250 @ $629.85 | $787K | −1.0% of holding | 127,030 | Form 4 |
| 2026-08-20 | TMO | Sale | 1,035 @ $630.87 | $653K | −0.8% of holding | 125,995 | Form 4 |
| 2026-08-20 | TMO | Sale | 909 @ $625.45 | $569K | −0.7% of holding | 133,016 | Form 4 |
| 2026-08-20 | TMO | Sale | 821 @ $626.83 | $515K | −0.6% of holding | 132,195 | Form 4 |
| 2026-08-20 | TMO | Sale | 560 @ $632.94 | $354K | −0.4% of holding | 124,005 | Form 4 |
| 2026-08-20 | TMO | Sale | 80 @ $633.99 | $51K | −0.1% of holding | 123,925 | Form 4 |
| 2026-08-07 | TMO | Sale | 1,035 @ $584.41 | $605K | −26.7% of holding | 2,837 | Form 4 |
| 2026-08-07 | TMO | Sale | 945 @ $586.52 | $554K | −41.0% of holding | 1,362 | Form 4 |
| 2026-08-07 | TMO | Sale | 530 @ $585.44 | $310K | −18.7% of holding | 2,307 | Form 4 |
| 2026-08-07 | TMO | Sale | 522 @ $589.52 | $308K | −46.0% of holding | 612 | Form 4 |
| 2026-08-07 | TMO | Sale | 495 @ $590.78 | $292K | −80.9% of holding | 117 | Form 4 |
| 2026-08-07 | TMO | Sale | 302 @ $583.35 | $176K | −7.2% of holding | 3,872 | Form 4 |
| 2026-08-07 | TMO | Sale | 228 @ $587.64 | $134K | −16.7% of holding | 1,134 | Form 4 |
| 2026-08-07 | TMO | Sale | 117 @ $593.31 | $69K | −100.0% of holding | 0 | Form 4 |
| 2026-08-07 | TMO | Sale | 114 @ $579.26 | $66K | −2.5% of holding | 4,400 | Form 4 |
| 2026-08-07 | TMO | Sale | 113 @ $581.85 | $66K | −2.6% of holding | 4,174 | Form 4 |
| 2026-08-07 | TMO | Sale | 113 @ $580.71 | $66K | −2.6% of holding | 4,287 | Form 4 |
| 2026-08-07 | TMO | Sale | 94 @ $577.37 | $54K | −2.0% of holding | 4,514 | Form 4 |
| 2026-08-07 | TMO | Sale | 63 @ $584.40 | $37K | −0.1% of holding | 124,093 | Form 4 |
| 2026-08-07 | TMO | Sale | 58 @ $586.53 | $34K | −0.0% of holding | 124,005 | Form 4 |
| 2026-08-07 | TMO | Sale | 32 @ $589.51 | $19K | −0.0% of holding | 123,961 | Form 4 |
| 2026-08-07 | TMO | Sale | 30 @ $585.42 | $18K | −0.0% of holding | 124,063 | Form 4 |
| 2026-08-07 | TMO | Sale | 29 @ $590.77 | $17K | −0.0% of holding | 123,932 | Form 4 |
| 2026-08-07 | TMO | Sale | 18 @ $583.37 | $11K | −0.0% of holding | 124,156 | Form 4 |
| 2026-08-07 | TMO | Sale | 12 @ $587.64 | $7K | −0.0% of holding | 123,993 | Form 4 |
| 2026-08-07 | TMO | Sale | 7 @ $593.32 | $4K | −0.0% of holding | 123,925 | Form 4 |
| 2026-08-07 | TMO | Sale | 6 @ $577.37 | $3K | −0.0% of holding | 124,194 | Form 4 |
| 2026-08-07 | TMO | Sale | 5 @ $581.85 | $3K | −0.0% of holding | 124,176 | Form 4 |
| 2026-08-07 | TMO | Sale | 4 @ $580.71 | $2K | −0.0% of holding | 124,184 | Form 4 |
| 2026-08-07 | TMO | Sale | 4 @ $579.26 | $2K | −0.0% of holding | 124,190 | Form 4 |
| 2026-08-07 | TMO | Sale | 3 @ $580.72 | $2K | −0.0% of holding | 124,181 | Form 4 |
| 2026-08-07 | TMO | Sale | 2 @ $581.86 | $1K | −0.0% of holding | 124,174 | Form 4 |
| 2026-08-07 | TMO | Sale | 2 @ $579.27 | $1K | −0.0% of holding | 124,188 | Form 4 |
| 2026-08-06 | TMO | Sale | 2,545 @ $573.53 | $1.5M | −1.9% of holding | 129,269 | Form 4 |
| 2026-08-06 | TMO | Sale | 2,164 @ $575.46 | $1.2M | −1.7% of holding | 125,488 | Form 4 |
| 2026-08-06 | TMO | Sale | 1,631 @ $572.43 | $934K | −1.2% of holding | 131,814 | Form 4 |
| 2026-08-06 | TMO | Sale | 1,617 @ $574.40 | $929K | −1.3% of holding | 127,652 | Form 4 |
| 2026-08-06 | TMO | Sale | 1,200 @ $573.34 | $688K | −13.8% of holding | 7,508 | Form 4 |
| 2026-08-06 | TMO | Sale | 1,060 @ $575.41 | $610K | −16.3% of holding | 5,440 | Form 4 |
| 2026-08-06 | TMO | Sale | 1,008 @ $574.28 | $579K | −13.4% of holding | 6,500 | Form 4 |
| 2026-08-06 | TMO | Sale | 660 @ $572.33 | $378K | −7.0% of holding | 8,708 | Form 4 |
| 2026-08-06 | TMO | Sale | 480 @ $576.46 | $277K | −0.4% of holding | 125,008 | Form 4 |
| 2026-08-06 | TMO | Sale | 480 @ $571.05 | $274K | −0.4% of holding | 133,445 | Form 4 |
| 2026-08-06 | TMO | Sale | 451 @ $577.43 | $260K | −0.4% of holding | 124,557 | Form 4 |
| 2026-08-06 | TMO | Sale | 361 @ $577.57 | $209K | −6.9% of holding | 4,854 | Form 4 |
| 2026-08-06 | TMO | Sale | 321 @ $578.67 | $186K | −0.3% of holding | 124,236 | Form 4 |
| 2026-08-06 | TMO | Sale | 311 @ $579.90 | $180K | −0.3% of holding | 123,925 | Form 4 |
| 2026-08-06 | TMO | Sale | 240 @ $571.00 | $137K | −2.5% of holding | 9,368 | Form 4 |
| 2026-08-06 | TMO | Sale | 225 @ $576.09 | $130K | −4.1% of holding | 5,215 | Form 4 |
| 2026-08-06 | TMO | Sale | 127 @ $580.01 | $74K | −2.7% of holding | 4,608 | Form 4 |
| 2026-08-06 | TMO | Sale | 119 @ $578.93 | $69K | −2.5% of holding | 4,735 | Form 4 |
| 2026-08-05 | TMO | Sale | 2,930 @ $576.05 | $1.7M | −2.3% of holding | 126,575 | Form 4 |
| 2026-08-05 | TMO | Sale | 2,575 @ $576.82 | $1.5M | −2.0% of holding | 124,000 | Form 4 |
| 2026-08-05 | TMO | Sale | 2,223 @ $574.98 | $1.3M | −1.7% of holding | 129,505 | Form 4 |
| 2026-08-05 | TMO | Sale | 1,464 @ $576.05 | $843K | −11.8% of holding | 10,934 | Form 4 |
| 2026-08-05 | TMO | Sale | 1,289 @ $576.83 | $744K | −11.8% of holding | 9,645 | Form 4 |
| 2026-08-05 | TMO | Sale | 1,186 @ $574.03 | $681K | −0.9% of holding | 131,728 | Form 4 |
| 2026-08-05 | TMO | Sale | 1,113 @ $574.98 | $640K | −8.2% of holding | 12,398 | Form 4 |
| 2026-08-05 | TMO | Sale | 590 @ $574.03 | $339K | −4.2% of holding | 13,511 | Form 4 |
| 2026-08-05 | TMO | Sale | 431 @ $573.08 | $247K | −0.3% of holding | 132,914 | Form 4 |
| 2026-08-05 | TMO | Sale | 216 @ $573.08 | $124K | −1.5% of holding | 14,101 | Form 4 |
| 2026-08-05 | TMO | Sale | 157 @ $566.25 | $89K | −0.1% of holding | 133,768 | Form 4 |
| 2026-08-05 | TMO | Sale | 135 @ $571.49 | $77K | −0.1% of holding | 133,345 | Form 4 |
| 2026-08-05 | TMO | Sale | 130 @ $567.92 | $74K | −0.1% of holding | 133,638 | Form 4 |
| 2026-08-05 | TMO | Sale | 105 @ $569.24 | $60K | −0.1% of holding | 133,533 | Form 4 |
| 2026-08-05 | TMO | Sale | 79 @ $566.26 | $45K | −0.5% of holding | 14,529 | Form 4 |
| 2026-08-05 | TMO | Sale | 75 @ $577.56 | $43K | −0.1% of holding | 123,925 | Form 4 |
| 2026-08-05 | TMO | Sale | 68 @ $571.50 | $39K | −0.5% of holding | 14,317 | Form 4 |
53 award / exercise / gift records — not counted as purchases
| Date | Company | Action | Shares | Owned after | Filing |
|---|---|---|---|---|---|
| 2026-08-28 | TMO | Withheld for tax | 725 | 123,201 | Form 4 |
| 2026-08-28 | TMO | Withheld for tax | 532 | 122,669 | Form 4 |
| 2026-08-24 | TMO | Option exercise | 275 | 124,200 | Form 4 |
| 2026-08-24 | TMO | Option exercise | 275 | 0 | Form 4 |
| 2026-08-21 | TMO | Option exercise | 10,000 | 133,925 | Form 4 |
| 2026-08-21 | TMO | Option exercise | 10,000 | 275 | Form 4 |
| 2026-08-20 | TMO | Option exercise | 10,000 | 133,925 | Form 4 |
| 2026-08-20 | TMO | Option exercise | 10,000 | 10,275 | Form 4 |
| 2026-08-07 | TMO | Option exercise | 275 | 124,200 | Form 4 |
| 2026-08-07 | TMO | Option exercise | 275 | 20,275 | Form 4 |
| 2026-08-06 | TMO | Option exercise | 10,000 | 133,925 | Form 4 |
| 2026-08-06 | TMO | Option exercise | 10,000 | 20,550 | Form 4 |
| 2026-08-05 | TMO | Option exercise | 10,000 | 133,925 | Form 4 |
| 2026-08-05 | TMO | Option exercise | 10,000 | 30,550 | Form 4 |
| 2026-03-05 | TMO | Option exercise | 4,000 | 127,925 | Form 4 |
| 2026-03-05 | TMO | Option exercise | 4,000 | 40,550 | Form 4 |
| 2026-03-04 | TMO | Option exercise | 5,000 | 128,925 | Form 4 |
| 2026-03-04 | TMO | Option exercise | 5,000 | 44,550 | Form 4 |
| 2026-03-03 | TMO | Option exercise | 5,000 | 128,925 | Form 4 |
| 2026-03-03 | TMO | Option exercise | 5,000 | 49,550 | Form 4 |
| 2026-02-28 | TMO | Withheld for tax | 3,474 | 125,137 | Form 4 |
| 2026-02-28 | TMO | Withheld for tax | 1,211 | 123,925 | Form 4 |
| 2026-02-25 | TMO | Award / grant | 7,333 | 128,610 | Form 4 |
| 2026-02-25 | TMO | Award / grant | 32,109 | 32,109 | Form 4 |
| 2026-02-25 | TMO | Award / grant | 7,515 | 121,277 | Form 4 |
| 2025-10-27 | TMO | Option exercise | 7,250 | 121,012 | Form 4 |
| 2025-10-27 | TMO | Option exercise | 7,250 | 0 | Form 4 |
| 2025-10-24 | TMO | Option exercise | 17,104 | 130,866 | Form 4 |
| 2025-10-24 | TMO | Option exercise | 17,104 | 7,250 | Form 4 |
| 2025-09-05 | TMO | Option exercise | 400 | 114,162 | Form 4 |
| 2025-09-05 | TMO | Option exercise | 400 | 24,354 | Form 4 |
| 2025-08-28 | TMO | Withheld for tax | 725 | 113,762 | Form 4 |
| 2025-08-28 | TMO | Withheld for tax | 687 | 114,487 | Form 4 |
| 2025-08-22 | TMO | Option exercise | 10,000 | 125,174 | Form 4 |
| 2025-08-22 | TMO | Option exercise | 10,000 | 24,754 | Form 4 |
| 2025-08-20 | TMO | Option exercise | 295 | 115,469 | Form 4 |
| 2025-08-20 | TMO | Option exercise | 295 | 34,754 | Form 4 |
| 2025-08-19 | TMO | Option exercise | 201 | 115,375 | Form 4 |
| 2025-08-19 | TMO | Option exercise | 201 | 35,049 | Form 4 |
| 2025-08-07 | TMO | Option exercise | 8,000 | 123,174 | Form 4 |
Source: SEC Form 4 filings. Each row links to its original filing.
Research tool, not investment advice — historical frequencies, not recommendations. A product of Marovel Technologies LLC. Full terms.