Kathleen P. Bloch
CIK 1409212 · View on SEC EDGAR ↗
Insider
First SEC filing: July 17, 2013 · Latest: July 17, 2013
On this page
- Insider at Companies where this person is a reporting insider.
- Insider transactions Every share this person bought or sold, from Form 4 filings.
- Derivatives Options and other derivative holdings reported by this person.
- Initial holdings The stakes this person held when they first started reporting.
- Compensation Executive pay disclosed in company proxy statements.
Insider at
Insider transactions
0 buys (P)
0 sells (S)
Net:
$0
+ 61 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
61 other filings hidden
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| Dec. 13, 2023 | CTSO | P | 13,157 | — | — | 13,157 Direct | — | Acquired | (price as of 2026-08-21) |
| Dec. 13, 2023 | CTSO | P | 37,594 | $1.33 | $50,000 | 467,941 Direct | +8.74% | Acquired | -76.3% (price as of 2026-08-21) |
| May 25, 2023 | CTSO | P | 1,100 | $2.85 | $3,135 | 47,000 Indirect | +2.40% | Acquired | -88.9% (price as of 2026-08-21) |
| May 25, 2023 | CTSO | P | 1,100 | $2.84 | $3,124 | 45,900 Indirect | +2.46% | Acquired | -88.9% (price as of 2026-08-21) |
| May 25, 2023 | CTSO | P | 1,100 | $2.85 | $3,135 | 44,800 Indirect | +2.52% | Acquired | -88.9% (price as of 2026-08-21) |
| May 10, 2023 | CTSO | P | 3,000 | $3.17 | $9,510 | 43,700 Indirect | +7.37% | Acquired | -90.1% (price as of 2026-08-21) |
| May 10, 2023 | CTSO | P | 2,000 | $3.12 | $6,240 | 40,700 Indirect | +5.17% | Acquired | -89.9% (price as of 2026-08-21) |
| May 10, 2023 | CTSO | P | 5,000 | $3.06 | $15,300 | 38,700 Indirect | +14.84% | Acquired | -89.7% (price as of 2026-08-21) |
| June 6, 2022 | CTSO | P | 8,700 | $1.90 | $16,530 | 33,700 Indirect | +34.80% | Acquired | -83.4% (price as of 2026-08-21) |
| Nov. 23, 2021 | CTSO | P | 4,000 | $4.98 | $19,920 | 25,000 Indirect | +19.05% | Acquired | -93.7% (price as of 2026-08-21) |
| Dec. 10, 2019 | CTSO | P | 3,000 | $3.68 | $11,040 | 291,895 Direct | +1.04% | Acquired | -91.4% (price as of 2026-08-21) |
| Nov. 26, 2019 | CTSO | P | 1,000 | $4.27 | $4,270 | 21,000 Indirect | +5.00% | Acquired | -92.6% (price as of 2026-08-21) |
| Aug. 16, 2019 | CTSO | P | 6,500 | $4.83 | $31,395 | 20,000 Indirect | +48.15% | Acquired | -93.5% (price as of 2026-08-21) |
| Aug. 9, 2019 | CTSO | P | 1,500 | $5.52 | $8,280 | 13,500 Indirect | +12.50% | Acquired | -94.3% (price as of 2026-08-21) |
| May 10, 2019 | CTSO | P | 3,000 | $6.49 | $19,470 | 3,000 Indirect | — | Acquired | -95.1% (price as of 2026-08-21) |
| Aug. 28, 2018 | CTSO | S 10b5-1 | 10,000 | $13.50 | $135,000 | 250,004 Direct | -3.85% | Disposed | -97.7% (price as of 2026-08-21) |
| Aug. 3, 2018 | CTSO | S 10b5-1 | 3,600 | $12.15 | $43,740 | 250,004 Direct | -1.42% | Disposed | -97.4% (price as of 2026-08-21) |
| Aug. 3, 2018 | CTSO | S 10b5-1 | 6,200 | $12.75 | $79,050 | 253,604 Direct | -2.39% | Disposed | -97.5% (price as of 2026-08-21) |
| Aug. 3, 2018 | CTSO | S 10b5-1 | 200 | $12.85 | $2,570 | 259,804 Direct | -0.08% | Disposed | -97.5% (price as of 2026-08-21) |
| May 16, 2018 | CTSO | S 10b5-1 | 12,400 | $9.00 | $111,600 | 253,304 Direct | -4.67% | Disposed | -96.5% (price as of 2026-08-21) |
| May 15, 2018 | CTSO | S 10b5-1 | 12,400 | $8.75 | $108,500 | 253,304 Direct | -4.67% | Disposed | -96.4% (price as of 2026-08-21) |
| May 14, 2018 | CTSO | S 10b5-1 | 10,000 | $8.50 | $85,000 | 253,304 Direct | -3.80% | Disposed | -96.3% (price as of 2026-08-21) |
| April 17, 2018 | CTSO | S 10b5-1 | 120 | $8.25 | $990 | 253,304 Direct | -0.05% | Disposed | -96.2% (price as of 2026-08-21) |
| March 15, 2018 | CTSO | S 10b5-1 | 11,176 | $8.25 | $92,202 | 250,070 Direct | -4.28% | Disposed | -96.2% (price as of 2026-08-21) |
| March 13, 2018 | CTSO | S 10b5-1 | 1,104 | $8.25 | $9,108 | 250,070 Direct | -0.44% | Disposed | -96.2% (price as of 2026-08-21) |
| Feb. 21, 2018 | CTSO | S 10b5-1 | 10,000 | $8.00 | $80,000 | 258,870 Direct | -3.72% | Disposed | -96.1% (price as of 2026-08-21) |
| Jan. 12, 2018 | CTSO | S 10b5-1 | 12,400 | $7.75 | $96,100 | 228,638 Direct | -5.14% | Disposed | -95.9% (price as of 2026-08-21) |
| Jan. 8, 2018 | CTSO | S 10b5-1 | 10,000 | $7.50 | $75,000 | 228,638 Direct | -4.19% | Disposed | -95.8% (price as of 2026-08-21) |
| Jan. 8, 2018 | CTSO | S 10b5-1 | 12,400 | $7.25 | $89,900 | 238,638 Direct | -4.94% | Disposed | -95.7% (price as of 2026-08-21) |
| Jan. 8, 2018 | CTSO | S 10b5-1 | 10,000 | $7.15 | $71,500 | 251,038 Direct | -3.83% | Disposed | -95.6% (price as of 2026-08-21) |
| May 15, 2017 | CTSO | P | 1,000 | $4.34 | $4,340 | 9,000 Indirect | +12.50% | Acquired | -92.7% (price as of 2026-08-21) |
| Dec. 6, 2016 | CTSO | P | 1,000 | $4.83 | $4,830 | 8,000 Indirect | +14.29% | Acquired | -93.5% (price as of 2026-08-21) |
| Dec. 9, 2015 | CTSO | P | 2,125 | $7.05 | $14,981 | 2,125 Direct | — | Acquired | -95.5% (price as of 2026-08-21) |
| Sept. 2, 2014 | CTSO | P | 65,000 | $0.23 | $14,950 | 175,000 Indirect | +59.09% | Acquired | -94.5% (price as of 2026-08-21) |
| May 20, 2014 | CTSO | P | 110,000 | $0.24 | $26,400 | 110,000 Indirect | — | Acquired | -94.7% (price as of 2026-08-21) |
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 |
|---|---|---|---|---|---|---|---|
| April 2, 2024 | CTSO | Stock Option (Right to Buy) | Common Stock (87,000) | $0.96 | April 2, 2034 | 87,000 | Acquired |
| March 29, 2024 | CTSO | Stock Option (Right to Buy) | Common Stock (49,038) | $0.95 | March 29, 2034 | 49,038 | Acquired |
| Dec. 13, 2023 | CTSO | Common Stock Warrant (Right to Buy) | Common Stock (13,157) | $2.00 | Dec. 13, 2028 | 13,157 | Acquired |
| Sept. 18, 2023 | CTSO | Stock Option (Right to Buy) | Common Stock (30,000) | $1.98 | Sept. 18, 2033 | 30,000 | Acquired |
| July 7, 2023 | CTSO | Stock Option (Right to Buy) | Common Stock (20,000) | $3.53 | July 7, 2033 | 20,000 | Acquired |
| Aug. 10, 2022 | CTSO | Stock Option (right to buy) | Common Stock (215,000) | $1.95 | Aug. 10, 2032 | 215,000 | Acquired |
| Aug. 10, 2022 | CTSO | Stock Option (right to buy) | Common Stock (75,000) | $1.95 | Aug. 10, 2032 | 75,000 | Acquired |
| April 12, 2021 | CTSO | Stock Option (right to buy) | Common Stock (69,000) | $8.99 | April 12, 2031 | 69,000 | Acquired |
| Dec. 31, 2020 | CTSO | Stock Option (right to buy) | Common Stock (7,857) | $5.60 | Feb. 24, 2027 | 7,857 | Disposed |
| July 31, 2020 | CTSO | Stock Option (right to buy) | Common Stock (10,000) | $5.60 | Feb. 24, 2027 | 10,000 | Acquired |
| Feb. 28, 2020 | CTSO | Stock Option (right to buy) | Common Stock (60,000) | $6.03 | Feb. 28, 2030 | 60,000 | Acquired |
| July 22, 2019 | CTSO | Stock Option (right to buy) | Common Stock (60,000) | $7.33 | July 22, 2029 | 60,000 | Acquired |
| June 7, 2019 | CTSO | Stock Option (right to buy) | Common Stock (10,000) | $5.60 | Feb. 24, 2027 | 10,000 | Disposed |
| Aug. 28, 2018 | CTSO | Stock Option (Right to Buy) | Common Stock (10,000) | $2.88 | April 4, 2023 | 10,000 | Disposed |
| Aug. 3, 2018 | CTSO | Stock Option (Right to Buy) | Common Stock (10,000) | $2.88 | April 4, 2023 | 10,000 | Disposed |
| May 16, 2018 | CTSO | Stock Option (Right to Buy) | Common Stock (12,400) | $4.69 | June 7, 2026 | 12,400 | Disposed |
| May 15, 2018 | CTSO | Stock Option (Right to Buy) | Common Stock (12,400) | $4.69 | June 7, 2026 | 12,400 | Disposed |
| May 14, 2018 | CTSO | Stock Option (Right to Buy) | Common Stock (10,000) | $2.90 | May 29, 2023 | 10,000 | Disposed |
| April 17, 2018 | CTSO | Stock Option (Right to Buy) | Common Stock (120) | $4.69 | June 7, 2026 | 120 | Disposed |
| March 15, 2018 | CTSO | Stock Option (right to buy) | Common Stock (93,500) | $7.90 | March 15, 2028 | 93,500 | Acquired |
| March 15, 2018 | CTSO | Stock Option (Right to Buy) | Common Stock (11,176) | $4.69 | June 7, 2026 | 11,176 | Disposed |
| March 13, 2018 | CTSO | Stock Option (Right to Buy) | Common Stock (1,104) | $4.69 | June 7, 2026 | 1,104 | Disposed |
| Feb. 28, 2018 | CTSO | Stock Option (right to buy) | Common Stock (75,650) | $5.60 | Feb. 24, 2027 | 75,650 | Acquired |
| Feb. 21, 2018 | CTSO | Stock Option (Right to Buy) | Common Stock (10,000) | $2.90 | May 29, 2023 | 10,000 | Disposed |
| Jan. 12, 2018 | CTSO | Stock Option (Right to Buy) | Common Stock (12,400) | $4.69 | June 7, 2026 | 12,400 | Disposed |
| Jan. 8, 2018 | CTSO | Stock Option (Right to Buy) | Common Stock (12,400) | $4.69 | June 7, 2026 | 12,400 | Disposed |
| Jan. 8, 2018 | CTSO | Stock Option (Right to Buy) | Common Stock (20,000) | $2.90 | May 29, 2023 | 20,000 | Disposed |
| Feb. 24, 2017 | CTSO | Stock Option (right to buy) | Common Stock (89,000) | $5.60 | Feb. 24, 2027 | 89,000 | Acquired |
| Jan. 30, 2017 | CTSO | Stock Option (right to buy) | Common Stock (62,000) | $4.69 | June 7, 2026 | 62,000 | Acquired |
| June 7, 2016 | CTSO | Stock Option (right to buy) | Common Stock (77,500) | $4.69 | June 7, 2026 | 77,500 | Acquired |
| June 7, 2016 | CTSO | Stock Option (right to buy) | Common Stock (5,600) | $8.07 | April 8, 2025 | 5,600 | Acquired |
| April 8, 2015 | CTSO | Stock Option (right to buy) | Common Stock (56,000) | $8.07 | April 8, 2025 | 56,000 | Acquired |
| March 28, 2014 | CTSO | Stock Option | Common Stock (1,400,000) | $0.20 | March 28, 2024 | 1,400,000 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
Initial ownership (Form 3) 2 holdings
Securities held when first becoming an insider, per SEC Form 3.
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 |
|---|---|---|---|---|---|---|---|---|
| 2024 | $262,991 | — | $62,075 | $91,592 | — | — | $19,765 | $436,423 |
| 2020 | $349,460 | $138,386 | $259,290 | $223,735 | — | — | — | $970,871 |
| 2019 | $323,025 | $50,876 | $347,954 | $277,992 | — | — | — | $999,847 |
Figures from the Summary Compensation Table of the company's proxy statement (DEF 14A). Compensation is not a recommendation.