Walter S Nimmo
CIK 1226492 · View on SEC EDGAR ↗
Insider
First SEC filing: Oct. 22, 2004 · Latest: Oct. 22, 2004
On this page
Insider at
Insider transactions
0 buys (P)
0 sells (S)
Net:
$0
+ 19 non-open-market transactions below
last 12 months, based on the transactions shown below
Price change vs current quote, split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted
19 other filings hidden
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| Feb. 25, 2005 | CRL | S | 36,100 | $47.00 | $1,696,700 | 149,447 Direct | -19.46% | Disposed | 519.1% (price as of 2026-08-20) |
| Feb. 24, 2005 | CRL | S | 13,900 | $47.00 | $653,300 | 185,547 Direct | -6.97% | Disposed | 519.1% (price as of 2026-08-20) |
| Nov. 4, 2004 | CRL | S | 23,411 | $46.05 | $1,078,077 | 354,484 Direct | -6.20% | Disposed | 531.9% (price as of 2026-08-20) |
| Nov. 3, 2004 | CRL | S | 242,289 | $46.33 | $11,225,249 | 377,895 Direct | -39.07% | Disposed | 528.1% (price as of 2026-08-20) |
| Nov. 2, 2004 | CRL | S | 84,300 | $46.47 | $3,917,421 | 536,095 Direct | -13.59% | Disposed | 526.2% (price as of 2026-08-20) |
P = Open-market purchase · S = Sale · A = Grant/award · M = Option exercise · G = Gift · F = Tax withholding
Insider transactions are not a recommendation; sales are often driven by liquidity or tax reasons.
Derivative holdings (Form 4 Table II)
Options, RSUs and convertible securities reported on Form 4 Table II.
| Date | Ticker | Security | Underlying | Exercise price | Expiration | Shares | A/D |
|---|---|---|---|---|---|---|---|
| Feb. 17, 2005 | CRL | Stock Options (Right to Buy) | Common Stock (4,000) | $47.75 | Feb. 17, 2015 | 4,000 | Acquired |
| Feb. 17, 2005 | CRL | Stock Options (Right to Buy) | Common Stock (8,000) | $47.75 | Feb. 17, 2010 | 8,000 | Acquired |
| Nov. 3, 2004 | CRL | Stock Options (Right to buy) | Common Stock (18,000) | $22.19 | June 28, 2013 | 18,000 | Disposed |
| Nov. 3, 2004 | CRL | Stock Options (Right to buy) | Common Stock (60,000) | $29.55 | Jan. 30, 2014 | 60,000 | Disposed |
| Nov. 3, 2004 | CRL | Stock Options (Right to buy) [F3] | Common Stock (667) | $22.19 | June 28, 2013 | 667 | Disposed |
| Nov. 3, 2004 | CRL | Stock Options (Right to buy) [F1] | Common Stock (18,774) | $0.03 | March 25, 2012 | 18,774 | Disposed |
| Nov. 2, 2004 | CRL | Stock Options (Right to buy) | Common Stock (70,948) | $0.03 | Aug. 31, 2011 | 70,948 | Disposed |
| Nov. 1, 2004 | CRL | Stock Options (Right to buy) | Common Stock (20,000) | $46.80 | Nov. 1, 2009 | 20,000 | Acquired |
| Oct. 20, 2004 | CRL | Employee Stock Option (right to buy) | Common Stock (18,667) | $22.19 | June 28, 2013 | 18,667 | Acquired |
| Oct. 20, 2004 | CRL | Employee Stock Option (right to buy) | Common Stock (60,000) | $29.55 | Jan. 30, 2014 | 60,000 | Acquired |
| Oct. 20, 2004 | CRL | Employee Stock Option (right to buy) | Common Stock (20,000) | $22.19 | June 28, 2013 | 20,000 | Acquired |
| Oct. 20, 2004 | CRL | Employee Stock Option (right to buy) | Common Stock (18,774) | $0.03 | March 25, 2012 | 18,774 | Acquired |
| Oct. 20, 2004 | CRL | Employee Stock Option (right to buy) | Common Stock (70,948) | $0.03 | Aug. 31, 2011 | 70,948 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
Initial ownership (Form 3) 1 holding
Securities held when first becoming an insider, per SEC Form 3.
| Date | Ticker | Security | Shares | Ownership |
|---|---|---|---|---|
| Oct. 22, 2004 | CRL | Common Stock [F1] | 0 | Direct |