SEC CIK 1202774
BERTUCCI CLAIRE R
Reported ownership across 1 company, sourced from SEC Form 4 filings and updated daily.
Current Positions
| Company | Shares Owned | As Of |
|---|---|---|
| MKSIview stock → | 1,965,206 | 2008-05-01 |
Position History — MKSI
Reported shares owned immediately after each Form 4 transaction, over time.
Recent Filings — MKSI
| Date | Activity | Shares | Price | Owned After |
|---|---|---|---|---|
| 2008-05-01 | Open-market sale | 75,000 | $23.72 | 1,965,206 |
| 2008-04-30 | Open-market sale | 75,000 | $23.30 | 2,144,761 |
| 2008-04-04 | Open-market sale | 75,000 | $22.65 | 2,040,206 |
| 2008-04-03 | Open-market sale | 75,000 | $22.78 | 2,219,761 |
| 2008-03-10 | Open-market sale | 46,374 | $19.96 | 2,115,206 |
| 2008-03-07 | Open-market sale | 50,000 | $20.02 | 2,294,761 |
| 2008-02-05 | Open-market sale | 25,000 | $18.83 | 2,161,580 |
| 2008-02-04 | Open-market sale | 25,000 | $19.24 | 2,344,761 |
| 2008-01-08 | Open-market sale | 900 | $17.50 | 2,369,761 |
| 2008-01-03 | Open-market sale | 23,300 | $18.35 | 2,186,580 |
| 2007-12-13 | Open-market sale | 25,000 | $18.46 | 2,209,880 |
| 2007-12-12 | Open-market sale | 25,000 | $18.67 | 2,370,661 |
| 2007-12-06 | Open-market sale | 25,000 | $18.37 | 2,234,880 |
| 2007-12-05 | Open-market sale | 25,000 | $17.92 | 2,395,661 |
| 2007-11-16 | Open-market sale | 25,000 | $17.75 | 2,259,880 |
| 2007-11-15 | Open-market sale | 25,000 | $17.80 | 2,420,661 |
| 2007-11-08 | Open-market sale | 1,700 | $17.56 | 2,284,880 |
| 2007-11-07 | Open-market sale | 25,000 | $17.63 | 2,445,661 |
| 2007-10-22 | Open-market sale | 25,000 | $19.47 | 2,286,580 |
| 2007-10-19 | Open-market sale | 26,123 | $19.47 | 2,470,661 |
| 2007-10-11 | Open-market sale | 50,000 | $20.19 | 2,311,580 |
| 2007-10-10 | Open-market sale | 50,000 | $20.26 | 2,496,784 |
| 2007-09-14 | Open-market sale | 50,000 | $20.07 | 2,546,784 |
| 2007-09-13 | Open-market sale | 50,000 | $20.65 | 2,361,580 |
| 2007-08-16 | Open-market sale | 50,000 | $21.73 | 2,411,580 |
| 2007-08-15 | Open-market sale | 50,000 | $21.88 | 2,596,784 |
| 2007-07-19 | Open-market sale | 100,000 | $27.29 | 2,461,580 |
| 2007-07-18 | Open-market sale | 100,000 | $27.05 | 2,646,784 |
| 2007-06-21 | Open-market sale | 100,000 | $27.72 | 2,561,580 |
| 2007-06-20 | Open-market sale | 100,000 | $27.59 | 2,746,784 |
| 2007-05-24 | Open-market sale | 100,000 | $26.24 | 2,661,580 |
| 2007-05-23 | Open-market sale | 100,000 | $26.94 | 2,846,784 |
| 2007-04-26 | Open-market sale | 100,000 | $27.75 | 2,761,580 |
| 2007-04-25 | Open-market sale | 100,000 | $27.25 | 2,946,784 |
| 2007-03-29 | Open-market sale | 100,000 | $25.26 | 2,861,580 |
| 2007-03-28 | Open-market sale | 100,000 | $25.47 | 3,146,784 |
| 2007-03-01 | Open-market sale | 75,000 | $23.72 | 2,961,580 |
| 2007-03-01 | Option exercise (derivative) | 100 | $0.00 | 11,072 |
| 2007-03-01 | Option exercise (derivative) | 500 | $0.00 | 13,872 |
| 2007-03-01 | Option exercise (derivative) | 2,318 | $0.00 | 7,854 |
| 2007-03-01 | Option exercise (derivative) | 500 | $0.00 | 10,172 |
| 2007-03-01 | Option exercise (derivative) | 400 | $0.00 | 10,672 |
| 2007-03-01 | Option exercise (derivative) | 965 | $0.00 | 14,372 |
| 2007-03-01 | Option exercise (derivative) | 400 | $0.00 | 11,172 |
| 2007-03-01 | Option exercise (derivative) | 1,700 | $0.00 | 11,572 |
| 2007-03-01 | Option exercise (derivative) | 500 | $0.00 | 13,272 |
| 2007-03-01 | Option exercise (derivative) | 100 | $0.00 | 13,772 |
| 2007-03-01 | Open-market sale | 500 | $23.92 | 2,963,898 |
| 2007-03-01 | Option exercise | 500 | $12.72 | 2,963,045 |
| 2007-03-01 | Option exercise | 100 | $12.72 | 2,963,145 |
| 2007-03-01 | Option exercise | 500 | $12.72 | 2,963,645 |
| 2007-03-01 | Option exercise | 1,700 | $12.72 | 2,965,345 |
| 2007-03-01 | Option exercise | 400 | $12.72 | 2,965,745 |
| 2007-03-01 | Option exercise | 100 | $12.72 | 2,965,845 |
| 2007-03-01 | Option exercise | 400 | $12.72 | 2,966,245 |
| 2007-03-01 | Option exercise | 500 | $12.72 | 2,966,745 |
| 2007-03-01 | Option exercise | 2,318 | $12.72 | 2,969,063 |
| 2007-03-01 | Open-market sale | 965 | $23.98 | 2,968,098 |
| 2007-03-01 | Open-market sale | 500 | $23.98 | 2,967,598 |
| 2007-03-01 | Open-market sale | 100 | $24.00 | 2,967,498 |
| 2007-03-01 | Open-market sale | 500 | $23.96 | 2,966,998 |
| 2007-03-01 | Open-market sale | 1,700 | $23.95 | 2,965,298 |
| 2007-03-01 | Open-market sale | 400 | $23.93 | 2,964,898 |
| 2007-03-01 | Open-market sale | 100 | $23.94 | 2,964,798 |
| 2007-03-01 | Open-market sale | 400 | $23.91 | 2,964,398 |
| 2007-03-01 | Option exercise | 965 | $12.97 | 2,962,545 |
| 2007-03-01 | Open-market sale | 2,318 | $23.90 | 2,961,580 |
| 2007-02-28 | Open-market sale | 75,000 | $24.01 | 3,246,784 |
| 2007-02-01 | Open-market sale | 50,000 | $21.98 | 3,036,580 |
| 2007-01-31 | Open-market sale | 50,000 | $21.73 | 3,321,784 |
| 2007-01-04 | Open-market sale | 25,000 | $22.82 | 3,111,580 |
| 2007-01-04 | Open-market sale | 25,000 | $22.83 | 3,136,580 |
| 2007-01-04 | Open-market sale | 25,000 | $22.81 | 3,086,580 |
| 2007-01-03 | Open-market sale | 25,000 | $22.66 | 3,396,784 |
| 2007-01-03 | Open-market sale | 25,000 | $22.65 | 3,371,784 |
| 2007-01-03 | Open-market sale | 25,000 | $22.69 | 3,421,784 |
| 2006-12-15 | Gift | 150,000 | $0.00 | 3,161,580 |
| 2006-12-07 | Open-market sale | 100,000 | $20.66 | 3,311,580 |
| 2006-12-06 | Open-market sale | 100,000 | $20.74 | 3,446,784 |
| 2006-11-09 | Open-market sale | 100,000 | $21.00 | 3,411,580 |
| 2006-11-08 | Open-market sale | 100,000 | $21.27 | 3,546,784 |
| 2006-10-12 | Open-market sale | 100,000 | $21.10 | 3,511,580 |
| 2006-10-11 | Open-market sale | 100,000 | $20.88 | 3,646,784 |
| 2006-09-14 | Open-market sale | 100,000 | $20.05 | 3,611,580 |
| 2006-09-13 | Open-market sale | 100,000 | $20.29 | 3,746,784 |
| 2006-08-17 | Open-market sale | 100,000 | $20.68 | 3,711,580 |
| 2006-08-16 | Open-market sale | 100,000 | $20.68 | 3,846,784 |
| 2006-07-20 | Open-market sale | 100,000 | $18.82 | 3,811,580 |
| 2006-07-19 | Open-market sale | 100,000 | $18.98 | 3,946,784 |
| 2006-07-18 | Open-market sale | 471 | $18.32 | 0 |
| 2006-06-22 | Open-market sale | 100,000 | $19.17 | 3,911,580 |
| 2006-06-21 | Open-market sale | 100,000 | $18.95 | 4,046,784 |
| 2006-05-25 | Open-market sale | 100,000 | $20.18 | 4,011,580 |
| 2006-05-24 | Open-market sale | 100,000 | $20.35 | 4,146,784 |
| 2006-04-27 | Open-market sale | 100,000 | $24.28 | 4,111,580 |
| 2006-04-26 | Open-market sale | 100,000 | $24.03 | 4,246,784 |
| 2006-04-10 | Open-market sale | 942 | $22.32 | 471 |
| 2006-03-30 | Open-market sale | 100,000 | $23.17 | 4,211,580 |
| 2006-03-29 | Open-market sale | 100,000 | $23.25 | 4,346,784 |
| 2006-03-02 | Open-market sale | 100,000 | $22.56 | 4,311,580 |
| 2006-03-01 | Open-market sale | 100,000 | $22.73 | 4,446,784 |
| 2006-01-18 | Open-market sale | 471 | $20.19 | 1,413 |
| 2006-01-03 | Open-market sale | 471 | $17.50 | 1,884 |
| 2006-01-03 | Open-market sale | 471 | $26.87 | 1,884 |
Source: SEC EDGAR Form 4 filings. For informational purposes only — not investment advice.