Larry L Helm
Insider
First SEC filing: Oct. 19, 2021 · Latest: Oct. 19, 2021
Insider at
Insider transactions
0 buys (P)
0 sells (S)
Net: $0
Price change vs current quote, split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| May 2, 2022 | TCBIO | P | 5,700 | $52.25 | $297,825 | 77,858 Direct | +7.90% | Acquired | -63.8% (price as of 2026-10-05) |
| April 19, 2022 | TCBIO | A | 1,377 | · | · | 72,158 Direct | +1.95% | Acquired | (price as of 2026-10-05) |
| Oct. 22, 2021 | TCBIO | P | 5,000 | $60.52 | $302,600 | 70,781 Direct | +7.60% | Acquired | -68.8% (price as of 2026-10-05) |
| Oct. 22, 2021 | ZEOWW | J | 23,000 | · | · | 138,000 Direct | +20.00% | Acquired | (price as of 2026-10-05) |
| April 20, 2021 | TCBIO | A | 11,705 | · | · | 65,781 Direct | +21.65% | Acquired | (price as of 2026-10-05) |
| Aug. 18, 2020 | TCBIO | P | 30,000 | $33.12 | $993,600 | 54,076 Direct | +124.61% | Acquired | -42.9% (price as of 2026-10-05) |
| June 29, 2020 | TCBIO | A | 2,242 | · | · | 24,076 Direct | +10.27% | Acquired | (price as of 2026-10-05) |
| Feb. 11, 2020 | TCBIO | M | 3,000 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-05) |
| Feb. 11, 2020 | TCBIO | F | 987 | $56.43 | $55,696 | 21,834 Direct | -4.32% | Disposed | -66.5% (price as of 2026-10-05) |
| Feb. 11, 2020 | TCBIO | M | 3,000 | $18.52 | $55,560 | 22,821 Direct | +15.14% | Acquired | 2.1% (price as of 2026-10-05) |
| April 24, 2019 | TCBIO | M | 3,000 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-05) |
| April 24, 2019 | TCBIO | F | 669 | $63.63 | $42,568 | 19,821 Direct | -3.27% | Disposed | -70.3% (price as of 2026-10-05) |
| April 24, 2019 | TCBIO | M | 3,000 | $14.17 | $42,510 | 20,490 Direct | +17.15% | Acquired | 33.4% (price as of 2026-10-05) |
| April 16, 2019 | TCBIO | A | 1,107 | · | · | 17,490 Direct | +6.76% | Acquired | (price as of 2026-10-05) |
| April 17, 2018 | TCBIO | A | 611 | · | · | 16,383 Direct | +3.87% | Acquired | (price as of 2026-10-05) |
| March 6, 2018 | TCBIO | M | 3,000 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-05) |
| March 6, 2018 | TCBIO | F | 597 | $93.90 | $56,058 | 15,772 Direct | -3.65% | Disposed | -79.9% (price as of 2026-10-05) |
| March 6, 2018 | TCBIO | M | 3,000 | $18.67 | $56,010 | 16,369 Direct | +22.44% | Acquired | 1.2% (price as of 2026-10-05) |
| April 27, 2017 | TCBIO | M | 2,000 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-05) |
| April 27, 2017 | TCBIO | F | 587 | $76.65 | $44,994 | 13,369 Direct | -4.21% | Disposed | -75.3% (price as of 2026-10-05) |
| April 27, 2017 | TCBIO | M | 2,000 | $22.47 | $44,940 | 13,956 Direct | +16.73% | Acquired | -15.9% (price as of 2026-10-05) |
| April 18, 2017 | TCBIO | A | 698 | · | · | 11,956 Direct | +6.20% | Acquired | (price as of 2026-10-05) |
| May 17, 2016 | TCBIO | A | 1,023 | · | · | 11,258 Direct | +10.00% | Acquired | (price as of 2026-10-05) |
| May 16, 2016 | TCBIO | M | 2,000 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-05) |
| May 16, 2016 | TCBIO | F | 1,056 | $43.60 | $46,042 | 10,235 Direct | -9.35% | Disposed | -56.7% (price as of 2026-10-05) |
| May 16, 2016 | TCBIO | M | 2,000 | $23.00 | $46,000 | 11,291 Direct | +21.53% | Acquired | -17.8% (price as of 2026-10-05) |
| May 19, 2015 | TCBIO | A | 816 | · | · | 9,291 Direct | +9.63% | Acquired | (price as of 2026-10-05) |
| May 17, 2011 | TCBIO | A | 1,475 | · | · | 8,475 Direct | +21.07% | Acquired | (price as of 2026-10-05) |
| May 18, 2010 | TCBIO | A | 1,000 | · | · | 1,000 Direct | · | Acquired | (price as of 2026-10-05) |
| May 18, 2010 | TCBIO | A | 3,000 | · | · | 3,000 Direct | · | Acquired | (price as of 2026-10-05) |
| May 19, 2009 | TCBIO | A | 3,000 | · | · | 3,000 Direct | · | Acquired | (price as of 2026-10-05) |
| May 19, 2009 | TCBIO | A | 1,000 | · | · | 6,000 Direct | +20.00% | Acquired | (price as of 2026-10-05) |
| May 19, 2008 | TCBIO | A | 3,000 | · | · | 7,000 Direct | +75.00% | Acquired | (price as of 2026-10-05) |
| May 19, 2008 | TCBIO | A | 1,000 | · | · | 5,000 Direct | +25.00% | Acquired | (price as of 2026-10-05) |
| May 19, 2008 | TCBIO | A | 500 | · | · | 4,500 Direct | +12.50% | Acquired | (price as of 2026-10-05) |
| May 19, 2008 | TCBIO | A | 2,000 | · | · | 6,000 Direct | +50.00% | Acquired | (price as of 2026-10-05) |
| July 24, 2007 | TCBIO | A | 2,000 | · | · | 4,000 Direct | +100.00% | Acquired | (price as of 2026-10-05) |
| July 24, 2007 | TCBIO | A | 500 | · | · | 100 Direct | · | Acquired | (price as of 2026-10-05) |
| July 23, 2007 | TCBIO | A | 3,000 | · | · | 100 Direct | · | Acquired | (price as of 2026-10-05) |
| May 16, 2007 | TCBIO | A | 100 | $22.49 | $2,249 | 100 Direct | · | Acquired | -16.0% (price as of 2026-10-05) |
| May 16, 2006 | TCBIO | C | 100 | · | · | 400 Direct | -20.00% | Disposed | (price as of 2026-10-05) |
| May 16, 2006 | TCBIO | A | 2,000 | · | · | 2,000 Direct | · | Acquired | (price as of 2026-10-05) |
| May 16, 2006 | TCBIO | A | 500 | · | · | 500 Direct | · | Acquired | (price as of 2026-10-05) |
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 |
|---|---|---|---|---|---|---|---|
| Oct. 22, 2021 | ZEOWW | Class B Ordinary Shares [F1] | Class A ordinary shares | · | · | 23,000 | Acquired |
| Feb. 11, 2020 | TCBIO | Stock Appreciation Rights | Common Stock | $18.52 | May 18, 2020 | 3,000 | Disposed |
| April 24, 2019 | TCBIO | Stock Appreciation Rights | Common Stock | $14.17 | May 19, 2019 | 3,000 | Disposed |
| March 6, 2018 | TCBIO | Stock Appreciation Rights | Common Stock | $18.67 | May 19, 2018 | 3,000 | Disposed |
| April 27, 2017 | TCBIO | Common Stock | Common Stock | $22.47 | July 23, 2017 | 2,000 | Disposed |
| May 16, 2016 | TCBIO | Stock Appreciation Rights | Common Stock | $23.00 | May 16, 2016 | 2,000 | Disposed |
| May 18, 2010 | TCBIO | Stock Appreciation Rights [F7] | Common Stock | $18.52 | May 18, 2020 | 3,000 | Acquired |
| May 19, 2009 | TCBIO | Stock Appreciation Rights | Common Stock | $14.17 | May 19, 2019 | 3,000 | Acquired |
| May 19, 2008 | TCBIO | Stock Appreciation Rights | Common Stock | $18.67 | May 19, 2018 | 3,000 | Acquired |
| May 19, 2008 | TCBIO | Stock Appreciation Rights | Common Stock | $18.67 | May 19, 2018 | 2,000 | Acquired |
| July 24, 2007 | TCBIO | Stock Appreciation Rights | Common Stock | $22.47 | July 24, 2017 | 2,000 | Acquired |
| May 16, 2006 | TCBIO | Restricted Stock Units | Common Stock | · | · | 100 | Disposed |
| May 16, 2006 | TCBIO | Stock Appreciation Rights | Common Stock | $23.00 | May 16, 2016 | 2,000 | Acquired |
| May 16, 2006 | TCBIO | Restricted Stock Units | Common Stock | · | · | 500 | 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. 19, 2021 | ZEOWW | Class B ordinary shares | 115,000 | Direct |
Compensation (DEF 14A)
Matched by name from proxy statements (DEF 14A) — verify against the filing.
| Fiscal year | Salary | Bonus | Stock awards | Option awards | Non-equity incentive | Pension change | Other | Total |
|---|---|---|---|---|---|---|---|---|
| 2021 | $368,269 | · | $750,056 | · | · | · | $78,233 | $1,196,558 |
| 2020 | $600,000 | · | $65,018 | · | · | · | $269,600 | $934,618 |
Figures from the Summary Compensation Table of the company's proxy statement (DEF 14A). Compensation is not a recommendation.