TCBK
insider transactionsTRICO BANCSHARES / — buys & sells by directors, officers and 10% owners A shareholder owning more than 10% of the company. Must report trades, but usually a weaker signal than an officer or director. (SEC Form 4).
No open-market buys or sells this period. The trades below are grants, option exercises and gifts, which carry no market price.
Net buy / sell volume
Not enough data to chart yet.
Tap or hover the chart for daily net volume. Green = net buying, red = net selling.
All transactions
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Exercise·M
Wiese Peter G KEY
EVP Chief Financial Officer
$0
2.1K sh
Own +28%
-
Other·F
Wiese Peter G KEY
EVP Chief Financial Officer
$58.1K
1.1K sh · $52.64
Own -2%
-
Exercise·M
Wiese Peter G KEY
EVP Chief Financial Officer
—
2.1K sh
Own +4%
-
Exercise·M
SMITH RICHARD P KEY
CEO & President
$0
4.9K sh
Own +28%
-
Other·F
SMITH RICHARD P KEY
CEO & President
$150.6K
2.9K sh · $52.64
Own -1%
-
Exercise·M
SMITH RICHARD P KEY
CEO & President
—
4.9K sh
Own +2%
-
Exercise·M
Chief Risk Officer
$0
245 sh
Own +16%
-
Other·F
Chief Risk Officer
$4.1K
78 sh · $52.64
Own -2%
-
Exercise·M
Chief Risk Officer
—
245 sh
Own +5%
-
Exercise·M
Chief Information Officer
$0
539 sh
Own +21%
-
Other·F
Chief Information Officer
$16.6K
316 sh · $52.64
Own -11%
-
Exercise·M
Chief Information Officer
—
539 sh
Own +22%
-
Exercise·M
SVP General Counsel
$0
967 sh
Own +28%
-
Other·F
SVP General Counsel
$29.8K
567 sh · $52.64
Own -3%
-
Exercise·M
SVP General Counsel
—
967 sh
Own +5%
-
Exercise·M
EVP Chief Credit Officer
$0
1.5K sh
Own +28%
-
Other·F
EVP Chief Credit Officer
$47.3K
899 sh · $52.64
Own -2%
-
Exercise·M
EVP Chief Credit Officer
—
1.5K sh
Own +4%
-
Exercise·M
EVP Chief Banking Officer
$0
1.6K sh
Own +25%
-
Other·F
EVP Chief Banking Officer
$49.6K
943 sh · $52.64
Own -2%
-
Exercise·M
EVP Chief Banking Officer
—
1.6K sh
Own +3%
-
Exercise·M
Director
$0
2.2K sh
Own New
-
Exercise·M
Director
—
2.2K sh
Own +22%
-
Exercise·M
Director
$0
2.2K sh
Own New
-
Exercise·M
Director
—
2.2K sh
Own +33%
-
Exercise·M
Director
$0
2.2K sh
Own New
-
Exercise·M
Director
—
2.2K sh
Own +3%
-
Exercise·M
Director
$0
2.2K sh
Own New
-
Exercise·M
Director
—
2.2K sh
Own +1%
-
Exercise·M
Director
$0
2.2K sh
Own New
-
Exercise·M
Director
—
2.2K sh
Own +2%
-
Exercise·M
Director
$0
2.2K sh
Own New
-
Exercise·M
Director
—
2.2K sh
Own +2%
-
Exercise·M
Director
$0
2.2K sh
Own New
-
Exercise·M
Director
—
2.2K sh
Own +22%
-
Exercise·M
Director
$0
2.2K sh
Own New
-
Exercise·M
Director
—
2.2K sh
Own +3%
-
Exercise·M
Director
$0
2.2K sh
Own New
-
Exercise·M
Director
—
2.2K sh
Own +26%
-
Exercise·M
Director
$0
2.2K sh
Own New
-
Exercise·M
Director
—
2.2K sh
Own +22%
-
Grant·A
Director
—
1.6K sh
Own New
-
Grant·A
Director
—
1.6K sh
Own New
-
Grant·A
Director
—
1.6K sh
Own New
-
Grant·A
Director
—
1.6K sh
Own New
-
Grant·A
Director
—
1.6K sh
Own New
-
Grant·A
Director
—
1.6K sh
Own New
-
Grant·A
Director
—
1.6K sh
Own New
-
Grant·A
Director
—
1.7K sh
Own New
-
Grant·A
Director
—
1.6K sh
Own New
-
Grant·A
Director
—
1.6K sh
Own New
-
Exercise·M
EVP Chief Banking Officer
$0
1.3K sh
Own +15%
-
Exercise·M
EVP Chief Banking Officer
—
1.3K sh
Own +2%
-
Other·F
EVP Chief Banking Officer
$35.0K
743 sh · $47.09
Own -1%
-
Exercise·M
EVP Chief Credit Officer
$0
1.2K sh
Own +16%
-
Exercise·M
EVP Chief Credit Officer
—
1.2K sh
Own +3%
-
Other·F
EVP Chief Credit Officer
$33.4K
709 sh · $47.09
Own -2%
-
Exercise·M
Wiese Peter G KEY
EVP Chief Financial Officer
$0
1.7K sh
Own +16%
-
Exercise·M
Wiese Peter G KEY
EVP Chief Financial Officer
—
1.7K sh
Own +3%
-
Other·F
Wiese Peter G KEY
EVP Chief Financial Officer
$19.4K
411 sh · $47.09
Own -1%
-
Exercise·M
SVP General Counsel
$0
761 sh
Own +16%
-
Other·F
SVP General Counsel
$20.9K
444 sh · $47.09
Own -2%
-
Exercise·M
SVP General Counsel
—
761 sh
Own +4%
-
Exercise·M
SMITH RICHARD P KEY
CEO & President
$0
3.8K sh
Own +16%
-
Other·F
SMITH RICHARD P KEY
CEO & President
$105.2K
2.2K sh · $47.09
Own -1%
-
Exercise·M
SMITH RICHARD P KEY
CEO & President
—
3.8K sh
Own +1%
-
Grant·A
EVP Chief Banking Officer
$0
3.9K sh
Own +56%
-
Grant·A
EVP Chief Banking Officer
$0
3.9K sh
Own +32%
-
Grant·A
EVP Chief Credit Officer
$0
3.2K sh
Own +48%
-
Grant·A
EVP Chief Credit Officer
$0
3.2K sh
Own +27%
-
Grant·A
Wiese Peter G KEY
EVP Chief Financial Officer
$0
4.3K sh
Own +48%
-
Grant·A
Wiese Peter G KEY
EVP Chief Financial Officer
$0
4.3K sh
Own +27%
-
Grant·A
SVP General Counsel
$0
2.0K sh
Own +27%
-
Grant·A
SVP General Counsel
$0
2.0K sh
Own +48%
-
Grant·A
SMITH RICHARD P KEY
CEO & President
$0
10.0K sh
Own +48%
-
Grant·A
SMITH RICHARD P KEY
CEO & President
$0
10.0K sh
Own +27%
-
Exercise·M
SVP General Counsel
$0
902 sh
Own +28%
-
Exercise·M
SVP General Counsel
—
902 sh
Own +5%
-
Exercise·M
SMITH RICHARD P KEY
CEO & President
$0
4.6K sh
Own +28%
-
Other·F
SMITH RICHARD P KEY
CEO & President
$129.1K
2.7K sh · $48.36
Own -1%
-
Exercise·M
SMITH RICHARD P KEY
CEO & President
—
4.6K sh
Own +2%
-
Exercise·M
EVP Chief Credit Officer
$0
1.4K sh
Own +28%
-
Other·F
EVP Chief Credit Officer
$44.2K
915 sh · $48.36
Own -2%
-
Exercise·M
EVP Chief Credit Officer
—
1.4K sh
Own +4%
-
Exercise·M
EVP Chief Banking Officer
$0
1.5K sh
Own +28%
-
Other·F
EVP Chief Banking Officer
$46.4K
959 sh · $48.36
Own -2%
-
Exercise·M
EVP Chief Banking Officer
—
1.5K sh
Own +3%
-
Exercise·M
Wiese Peter G KEY
EVP Chief Financial Officer
$0
2.0K sh
Own +28%
-
Other·F
Wiese Peter G KEY
EVP Chief Financial Officer
$46.7K
966 sh · $48.36
Own -2%
-
Exercise·M
Wiese Peter G KEY
EVP Chief Financial Officer
—
2.0K sh
Own +4%
-
Other·J
EVP Chief Credit Officer
$574.5K
11.0K sh · $52.23
-
Other·D
EVP Chief Operating Officer
$0
5.4K sh
Own -42%
-
Other·D
EVP Chief Operating Officer
$0
1.9K sh
Own -25%
-
Exercise·M
SVP General Counsel
$0
1.8K sh
Own +33%
-
Exercise·M
SVP General Counsel
—
1.7K sh
Own +9%
-
Other·F
SVP General Counsel
$48.1K
997 sh · $48.29
Own -5%
-
Exercise·M
Wiese Peter G KEY
EVP Chief Financial Officer
$0
4.0K sh
Own +33%
-
Exercise·M
Wiese Peter G KEY
EVP Chief Financial Officer
—
3.8K sh
Own +8%
-
Other·F
Wiese Peter G KEY
EVP Chief Financial Officer
$70.5K
1.5K sh · $48.29
Own -3%
-
Exercise·M
EVP Chief Operating Officer
$0
3.8K sh
Own +42%
-
Exercise·M
EVP Chief Operating Officer
—
3.5K sh
Own +9%
-
Other·F
EVP Chief Operating Officer
$99.9K
2.1K sh · $48.29
Own -5%
-
Exercise·M
SMITH RICHARD P KEY
CEO & President
$0
9.4K sh
Own +34%
-
Other·F
SMITH RICHARD P KEY
CEO & President
$248.7K
5.2K sh · $48.29
Own -2%
-
Exercise·M
SMITH RICHARD P KEY
CEO & President
—
8.8K sh
Own +3%
-
Exercise·M
EVP Chief Banking Officer
$0
3.1K sh
Own +34%
-
Exercise·M
EVP Chief Banking Officer
—
2.9K sh
Own +5%
-
Other·F
EVP Chief Banking Officer
$81.9K
1.7K sh · $48.29
Own -3%
-
Exercise·M
EVP Chief Credit Officer
$0
2.9K sh
Own +33%
-
Exercise·M
EVP Chief Credit Officer
—
2.7K sh
Own +8%
-
Other·F
EVP Chief Credit Officer
$77.4K
1.6K sh · $48.29
Own -4%
-
Exercise·M
SMITH RICHARD P KEY
CEO & President
$0
3.4K sh
Own +16%
-
Other·F
SMITH RICHARD P KEY
CEO & President
$85.4K
2.0K sh · $42.33
Own -1%
-
Exercise·M
SMITH RICHARD P KEY
CEO & President
—
3.4K sh
Own +1%
-
Exercise·M
EVP Chief Banking Officer
$0
1.1K sh
Own +16%
-
Other·F
EVP Chief Banking Officer
$28.1K
665 sh · $42.33
Own -1%
-
Exercise·M
EVP Chief Banking Officer
—
1.1K sh
Own +2%
-
Exercise·M
EVP Chief Credit Officer
$0
1.1K sh
Own +16%
-
Other·F
EVP Chief Credit Officer
$26.6K
628 sh · $42.33
Own -2%
-
Exercise·M
EVP Chief Credit Officer
—
1.1K sh
Own +3%
-
Exercise·M
SVP General Counsel
$0
668 sh
Own +15%
-
Exercise·M
SVP General Counsel
—
668 sh
Own +4%
-
Other·F
SVP General Counsel
$16.6K
391 sh · $42.33
Own -2%
-
Exercise·M
Wiese Peter G KEY
EVP Chief Financial Officer
$0
1.5K sh
Own +16%
-
Exercise·M
Wiese Peter G KEY
EVP Chief Financial Officer
—
1.5K sh
Own +3%
-
Other·F
Wiese Peter G KEY
EVP Chief Financial Officer
$974
23 sh · $42.33
Own -0%
-
Exercise·M
EVP Chief Operating Officer
$0
1.4K sh
Own +21%
-
Other·F
EVP Chief Operating Officer
$34.3K
810 sh · $42.33
Own -2%
-
Exercise·M
EVP Chief Operating Officer
—
1.4K sh
Own +3%
| Date▾ | Insider | Type | Shares | Value |
|---|---|---|---|---|
| Jun 12, 2026 | Wiese Peter G KEY | Exercise M | 2.1K | $0 |
| Jun 12, 2026 | Wiese Peter G KEY | Other F | 1.1K | $58.1K |
| Jun 12, 2026 | Wiese Peter G KEY | Exercise M | 2.1K | — |
| Jun 12, 2026 | SMITH RICHARD P KEY | Exercise M | 4.9K | $0 |
| Jun 12, 2026 | SMITH RICHARD P KEY | Other F | 2.9K | $150.6K |
| Jun 12, 2026 | SMITH RICHARD P KEY | Exercise M | 4.9K | — |
| Jun 12, 2026 | Angela Tamara Rudd | Exercise M | 245 | $0 |
| Jun 12, 2026 | Angela Tamara Rudd | Other F | 78 | $4.1K |
| Jun 12, 2026 | Angela Tamara Rudd | Exercise M | 245 | — |
| Jun 12, 2026 | Jason Todd Levingston | Exercise M | 539 | $0 |
| Jun 12, 2026 | Jason Todd Levingston | Other F | 316 | $16.6K |
| Jun 12, 2026 | Jason Todd Levingston | Exercise M | 539 | — |
| Jun 12, 2026 | Gehlmann Gregory A | Exercise M | 967 | $0 |
| Jun 12, 2026 | Gehlmann Gregory A | Other F | 567 | $29.8K |
| Jun 12, 2026 | Gehlmann Gregory A | Exercise M | 967 | — |
| Jun 12, 2026 | CARNEY CRAIG B | Exercise M | 1.5K | $0 |
| Jun 12, 2026 | CARNEY CRAIG B | Other F | 899 | $47.3K |
| Jun 12, 2026 | CARNEY CRAIG B | Exercise M | 1.5K | — |
| Jun 12, 2026 | BAILEY DANIEL K | Exercise M | 1.6K | $0 |
| Jun 12, 2026 | BAILEY DANIEL K | Other F | 943 | $49.6K |
| Jun 12, 2026 | BAILEY DANIEL K | Exercise M | 1.6K | — |
| May 22, 2026 | Vogel Kimberley H | Exercise M | 2.2K | $0 |
| May 22, 2026 | Vogel Kimberley H | Exercise M | 2.2K | — |
| May 22, 2026 | Nakamura Jon | Exercise M | 2.2K | $0 |
| May 22, 2026 | Nakamura Jon | Exercise M | 2.2K | — |
| May 22, 2026 | Mariani Martin | Exercise M | 2.2K | $0 |
| May 22, 2026 | Mariani Martin | Exercise M | 2.2K | — |
| May 22, 2026 | MCGRAW THOMAS C | Exercise M | 2.2K | $0 |
| May 22, 2026 | MCGRAW THOMAS C | Exercise M | 2.2K | — |
| May 22, 2026 | Leggio Anthony L. | Exercise M | 2.2K | $0 |
| May 22, 2026 | Leggio Anthony L. | Exercise M | 2.2K | — |
| May 22, 2026 | Koehnen Michael W | Exercise M | 2.2K | $0 |
| May 22, 2026 | Koehnen Michael W | Exercise M | 2.2K | — |
| May 22, 2026 | Kane Margaret L | Exercise M | 2.2K | $0 |
| May 22, 2026 | Kane Margaret L | Exercise M | 2.2K | — |
| May 22, 2026 | Hasbrook John S A | Exercise M | 2.2K | $0 |
| May 22, 2026 | Hasbrook John S A | Exercise M | 2.2K | — |
| May 22, 2026 | Giese Cory W | Exercise M | 2.2K | $0 |
| May 22, 2026 | Giese Cory W | Exercise M | 2.2K | — |
| May 22, 2026 | Garen Kirsten E | Exercise M | 2.2K | $0 |
| May 22, 2026 | Garen Kirsten E | Exercise M | 2.2K | — |
| May 21, 2026 | Vogel Kimberley H | Grant A | 1.6K | — |
| May 21, 2026 | Nakamura Jon | Grant A | 1.6K | — |
| May 21, 2026 | Mariani Martin | Grant A | 1.6K | — |
| May 21, 2026 | MCGRAW THOMAS C | Grant A | 1.6K | — |
| May 21, 2026 | Leggio Anthony L. | Grant A | 1.6K | — |
| May 21, 2026 | Koehnen Michael W | Grant A | 1.6K | — |
| May 21, 2026 | Kane Margaret L | Grant A | 1.6K | — |
| May 21, 2026 | Hasbrook John S A | Grant A | 1.7K | — |
| May 21, 2026 | Giese Cory W | Grant A | 1.6K | — |
| May 21, 2026 | Garen Kirsten E | Grant A | 1.6K | — |
| Mar 30, 2026 | BAILEY DANIEL K | Exercise M | 1.3K | $0 |
| Mar 30, 2026 | BAILEY DANIEL K | Exercise M | 1.3K | — |
| Mar 30, 2026 | BAILEY DANIEL K | Other F | 743 | $35.0K |
| Mar 30, 2026 | CARNEY CRAIG B | Exercise M | 1.2K | $0 |
| Mar 30, 2026 | CARNEY CRAIG B | Exercise M | 1.2K | — |
| Mar 30, 2026 | CARNEY CRAIG B | Other F | 709 | $33.4K |
| Mar 30, 2026 | Wiese Peter G KEY | Exercise M | 1.7K | $0 |
| Mar 30, 2026 | Wiese Peter G KEY | Exercise M | 1.7K | — |
| Mar 30, 2026 | Wiese Peter G KEY | Other F | 411 | $19.4K |
| Mar 30, 2026 | Gehlmann Gregory A | Exercise M | 761 | $0 |
| Mar 30, 2026 | Gehlmann Gregory A | Other F | 444 | $20.9K |
| Mar 30, 2026 | Gehlmann Gregory A | Exercise M | 761 | — |
| Mar 30, 2026 | SMITH RICHARD P KEY | Exercise M | 3.8K | $0 |
| Mar 30, 2026 | SMITH RICHARD P KEY | Other F | 2.2K | $105.2K |
| Mar 30, 2026 | SMITH RICHARD P KEY | Exercise M | 3.8K | — |
| Mar 27, 2026 | BAILEY DANIEL K | Grant A | 3.9K | $0 |
| Mar 27, 2026 | BAILEY DANIEL K | Grant A | 3.9K | $0 |
| Mar 27, 2026 | CARNEY CRAIG B | Grant A | 3.2K | $0 |
| Mar 27, 2026 | CARNEY CRAIG B | Grant A | 3.2K | $0 |
| Mar 27, 2026 | Wiese Peter G KEY | Grant A | 4.3K | $0 |
| Mar 27, 2026 | Wiese Peter G KEY | Grant A | 4.3K | $0 |
| Mar 27, 2026 | Gehlmann Gregory A | Grant A | 2.0K | $0 |
| Mar 27, 2026 | Gehlmann Gregory A | Grant A | 2.0K | $0 |
| Mar 27, 2026 | SMITH RICHARD P KEY | Grant A | 10.0K | $0 |
| Mar 27, 2026 | SMITH RICHARD P KEY | Grant A | 10.0K | $0 |
| Mar 2, 2026 | Gehlmann Gregory A | Exercise M | 902 | $0 |
| Mar 2, 2026 | Gehlmann Gregory A | Exercise M | 902 | — |
| Mar 2, 2026 | SMITH RICHARD P KEY | Exercise M | 4.6K | $0 |
| Mar 2, 2026 | SMITH RICHARD P KEY | Other F | 2.7K | $129.1K |
| Mar 2, 2026 | SMITH RICHARD P KEY | Exercise M | 4.6K | — |
| Mar 2, 2026 | CARNEY CRAIG B | Exercise M | 1.4K | $0 |
| Mar 2, 2026 | CARNEY CRAIG B | Other F | 915 | $44.2K |
| Mar 2, 2026 | CARNEY CRAIG B | Exercise M | 1.4K | — |
| Mar 2, 2026 | BAILEY DANIEL K | Exercise M | 1.5K | $0 |
| Mar 2, 2026 | BAILEY DANIEL K | Other F | 959 | $46.4K |
| Mar 2, 2026 | BAILEY DANIEL K | Exercise M | 1.5K | — |
| Mar 2, 2026 | Wiese Peter G KEY | Exercise M | 2.0K | $0 |
| Mar 2, 2026 | Wiese Peter G KEY | Other F | 966 | $46.7K |
| Mar 2, 2026 | Wiese Peter G KEY | Exercise M | 2.0K | — |
| Feb 6, 2026 | CARNEY CRAIG B | Other J | 11.0K | $574.5K |
| Dec 2, 2025 | Fleshood John | Other D | 5.4K | $0 |
| Dec 2, 2025 | Fleshood John | Other D | 1.9K | $0 |
| Dec 1, 2025 | Gehlmann Gregory A | Exercise M | 1.8K | $0 |
| Dec 1, 2025 | Gehlmann Gregory A | Exercise M | 1.7K | — |
| Dec 1, 2025 | Gehlmann Gregory A | Other F | 997 | $48.1K |
| Dec 1, 2025 | Wiese Peter G KEY | Exercise M | 4.0K | $0 |
| Dec 1, 2025 | Wiese Peter G KEY | Exercise M | 3.8K | — |
| Dec 1, 2025 | Wiese Peter G KEY | Other F | 1.5K | $70.5K |
| Dec 1, 2025 | Fleshood John | Exercise M | 3.8K | $0 |
| Dec 1, 2025 | Fleshood John | Exercise M | 3.5K | — |
| Dec 1, 2025 | Fleshood John | Other F | 2.1K | $99.9K |
| Dec 1, 2025 | SMITH RICHARD P KEY | Exercise M | 9.4K | $0 |
| Dec 1, 2025 | SMITH RICHARD P KEY | Other F | 5.2K | $248.7K |
| Dec 1, 2025 | SMITH RICHARD P KEY | Exercise M | 8.8K | — |
| Dec 1, 2025 | BAILEY DANIEL K | Exercise M | 3.1K | $0 |
| Dec 1, 2025 | BAILEY DANIEL K | Exercise M | 2.9K | — |
| Dec 1, 2025 | BAILEY DANIEL K | Other F | 1.7K | $81.9K |
| Dec 1, 2025 | CARNEY CRAIG B | Exercise M | 2.9K | $0 |
| Dec 1, 2025 | CARNEY CRAIG B | Exercise M | 2.7K | — |
| Dec 1, 2025 | CARNEY CRAIG B | Other F | 1.6K | $77.4K |
| Oct 21, 2025 | SMITH RICHARD P KEY | Exercise M | 3.4K | $0 |
| Oct 21, 2025 | SMITH RICHARD P KEY | Other F | 2.0K | $85.4K |
| Oct 21, 2025 | SMITH RICHARD P KEY | Exercise M | 3.4K | — |
| Oct 21, 2025 | BAILEY DANIEL K | Exercise M | 1.1K | $0 |
| Oct 21, 2025 | BAILEY DANIEL K | Other F | 665 | $28.1K |
| Oct 21, 2025 | BAILEY DANIEL K | Exercise M | 1.1K | — |
| Oct 21, 2025 | CARNEY CRAIG B | Exercise M | 1.1K | $0 |
| Oct 21, 2025 | CARNEY CRAIG B | Other F | 628 | $26.6K |
| Oct 21, 2025 | CARNEY CRAIG B | Exercise M | 1.1K | — |
| Oct 21, 2025 | Gehlmann Gregory A | Exercise M | 668 | $0 |
| Oct 21, 2025 | Gehlmann Gregory A | Exercise M | 668 | — |
| Oct 21, 2025 | Gehlmann Gregory A | Other F | 391 | $16.6K |
| Oct 21, 2025 | Wiese Peter G KEY | Exercise M | 1.5K | $0 |
| Oct 21, 2025 | Wiese Peter G KEY | Exercise M | 1.5K | — |
| Oct 21, 2025 | Wiese Peter G KEY | Other F | 23 | $974 |
| Oct 21, 2025 | Fleshood John | Exercise M | 1.4K | $0 |
| Oct 21, 2025 | Fleshood John | Other F | 810 | $34.3K |
| Oct 21, 2025 | Fleshood John | Exercise M | 1.4K | — |
About TCBK insider trading
This page tracks insider transactions for TRICO BANCSHARES / (TCBK) reported to the U.S. Securities and Exchange Commission on Form 4. Corporate insiders — directors, executive officers and beneficial owners of more than 10% of the stock — must disclose their trades within two business days. Open-market purchases (code P) and sales (code S) made at the insider's discretion are the most-watched opportunistic signals, while awards (A), option exercises (M) and tax-withholding (F) reflect compensation rather than conviction. Trades marked 10b5-1 were made under a pre-arranged plan and are considered routine. A cluster buy — several insiders buying within a short window — is historically a stronger bullish indicator than any single trade.