Chris Diorio PH.D.
CIK 1677721 · View on SEC EDGAR ↗
Insider
First SEC filing: July 20, 2016 · Latest: June 16, 2026
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
+ 50 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
50 other filings hidden
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| Jan. 16, 2024 | PI | S | 170 | $81.54 | $13,862 | 253,311 Direct | -0.07% | Disposed | 107.1% (price as of 2026-08-19) |
| Jan. 16, 2024 | PI | S | 685 | $81.07 | $55,533 | 253,481 Direct | -0.27% | Disposed | 108.3% (price as of 2026-08-19) |
| Dec. 26, 2023 | PI | S | 1,001 | $89.76 | $89,850 | 251,041 Direct | -0.40% | Disposed | 88.2% (price as of 2026-08-19) |
| Dec. 18, 2023 | PI | S | 60 | $89.34 | $5,360 | 249,448 Direct | -0.02% | Disposed | 89.1% (price as of 2026-08-19) |
| Dec. 18, 2023 | PI | S | 556 | $88.79 | $49,367 | 249,508 Direct | -0.22% | Disposed | 90.2% (price as of 2026-08-19) |
| Oct. 13, 2023 | PI | S | 1,245 | $52.39 | $65,226 | 304,001 Direct | -0.41% | Disposed | 222.4% (price as of 2026-08-19) |
| Sept. 25, 2023 | PI | S | 1,010 | $55.20 | $55,752 | 302,121 Direct | -0.33% | Disposed | 206.0% (price as of 2026-08-19) |
| Sept. 18, 2023 | PI | S | 622 | $63.22 | $39,323 | 300,537 Direct | -0.21% | Disposed | 167.2% (price as of 2026-08-19) |
| July 13, 2023 | PI | S | 1,204 | $89.74 | $108,047 | 299,396 Direct | -0.40% | Disposed | 88.2% (price as of 2026-08-19) |
| July 3, 2023 | PI | S | 400 | $90.28 | $36,112 | 297,475 Direct | -0.13% | Disposed | 87.1% (price as of 2026-08-19) |
| July 3, 2023 | PI | S | 1,136 | $89.59 | $101,774 | 297,875 Direct | -0.38% | Disposed | 88.5% (price as of 2026-08-19) |
| June 26, 2023 | PI | S | 520 | $86.20 | $44,824 | 295,104 Direct | -0.18% | Disposed | 95.9% (price as of 2026-08-19) |
| June 26, 2023 | PI | S | 515 | $85.35 | $43,955 | 295,624 Direct | -0.17% | Disposed | 97.9% (price as of 2026-08-19) |
| June 16, 2023 | PI | S | 591 | $100.93 | $59,650 | 293,546 Direct | -0.20% | Disposed | 67.3% (price as of 2026-08-19) |
| April 13, 2023 | PI | S | 120 | $135.31 | $16,237 | 292,574 Direct | -0.04% | Disposed | 24.8% (price as of 2026-08-19) |
| April 13, 2023 | PI | S | 1,116 | $134.43 | $150,024 | 292,694 Direct | -0.38% | Disposed | 25.6% (price as of 2026-08-19) |
| April 3, 2023 | PI | S | 1,586 | $131.36 | $208,337 | 290,685 Direct | -0.54% | Disposed | 28.6% (price as of 2026-08-19) |
| March 24, 2023 | PI | S | 450 | $129.57 | $58,306 | 288,365 Direct | -0.16% | Disposed | 30.4% (price as of 2026-08-19) |
| March 24, 2023 | PI | S | 740 | $128.76 | $95,282 | 288,815 Direct | -0.26% | Disposed | 31.2% (price as of 2026-08-19) |
| March 24, 2023 | PI | S | 3,095 | $127.61 | $394,953 | 289,555 Direct | -1.06% | Disposed | 32.4% (price as of 2026-08-19) |
| March 16, 2023 | PI | S | 200 | $130.27 | $26,054 | 282,275 Direct | -0.07% | Disposed | 29.7% (price as of 2026-08-19) |
| March 16, 2023 | PI | S | 397 | $129.57 | $51,439 | 282,475 Direct | -0.14% | Disposed | 30.4% (price as of 2026-08-19) |
| Feb. 27, 2023 | PI | S | 1,886 | $128.21 | $241,804 | 281,310 Direct | -0.67% | Disposed | 31.7% (price as of 2026-08-19) |
| Feb. 27, 2023 | PI | S | 9,806 | $127.62 | $1,251,442 | 283,196 Direct | -3.35% | Disposed | 32.3% (price as of 2026-08-19) |
| Feb. 22, 2023 | PI | S 10b5-1 | 101 | $125.59 | $12,685 | 262,784 Direct | -0.04% | Disposed | 34.5% (price as of 2026-08-19) |
| Feb. 22, 2023 | PI | S 10b5-1 | 546 | $124.38 | $67,911 | 262,885 Direct | -0.21% | Disposed | 35.8% (price as of 2026-08-19) |
| Feb. 22, 2023 | PI | S 10b5-1 | 2,441 | $123.55 | $301,586 | 263,431 Direct | -0.92% | Disposed | 36.7% (price as of 2026-08-19) |
| Feb. 22, 2023 | PI | S 10b5-1 | 1,912 | $122.40 | $234,029 | 265,872 Direct | -0.71% | Disposed | 38.0% (price as of 2026-08-19) |
| Feb. 21, 2023 | PI | S 10b5-1 | 500 | $127.79 | $63,895 | 267,784 Direct | -0.19% | Disposed | 32.2% (price as of 2026-08-19) |
| Feb. 21, 2023 | PI | S 10b5-1 | 500 | $125.91 | $62,955 | 268,284 Direct | -0.19% | Disposed | 34.1% (price as of 2026-08-19) |
| Feb. 21, 2023 | PI | S 10b5-1 | 1,300 | $124.87 | $162,331 | 268,784 Direct | -0.48% | Disposed | 35.3% (price as of 2026-08-19) |
| Feb. 21, 2023 | PI | S 10b5-1 | 2,700 | $123.99 | $334,773 | 270,084 Direct | -0.99% | Disposed | 36.2% (price as of 2026-08-19) |
| Feb. 14, 2023 | PI | S 10b5-1 | 300 | $130.03 | $39,009 | 272,784 Direct | -0.11% | Disposed | 29.9% (price as of 2026-08-19) |
| Feb. 14, 2023 | PI | S 10b5-1 | 460 | $128.87 | $59,280 | 273,084 Direct | -0.17% | Disposed | 31.1% (price as of 2026-08-19) |
| Feb. 14, 2023 | PI | S 10b5-1 | 502 | $127.94 | $64,226 | 273,544 Direct | -0.18% | Disposed | 32.0% (price as of 2026-08-19) |
| Feb. 14, 2023 | PI | S 10b5-1 | 272 | $126.61 | $34,438 | 274,046 Direct | -0.10% | Disposed | 33.4% (price as of 2026-08-19) |
| Feb. 14, 2023 | PI | S 10b5-1 | 924 | $125.78 | $116,221 | 274,318 Direct | -0.34% | Disposed | 34.3% (price as of 2026-08-19) |
| Feb. 14, 2023 | PI | S 10b5-1 | 1,301 | $124.71 | $162,248 | 275,242 Direct | -0.47% | Disposed | 35.4% (price as of 2026-08-19) |
| Feb. 14, 2023 | PI | S 10b5-1 | 1,241 | $123.86 | $153,710 | 276,543 Direct | -0.45% | Disposed | 36.4% (price as of 2026-08-19) |
| Feb. 13, 2023 | PI | S 10b5-1 | 300 | $128.08 | $38,424 | 277,784 Direct | -0.11% | Disposed | 31.9% (price as of 2026-08-19) |
| Feb. 13, 2023 | PI | S 10b5-1 | 1,900 | $127.49 | $242,231 | 278,084 Direct | -0.68% | Disposed | 32.5% (price as of 2026-08-19) |
| Feb. 13, 2023 | PI | S 10b5-1 | 900 | $126.76 | $114,084 | 279,984 Direct | -0.32% | Disposed | 33.2% (price as of 2026-08-19) |
| Feb. 13, 2023 | PI | S 10b5-1 | 1,100 | $125.31 | $137,841 | 280,884 Direct | -0.39% | Disposed | 34.8% (price as of 2026-08-19) |
| Feb. 13, 2023 | PI | S 10b5-1 | 800 | $123.96 | $99,168 | 281,984 Direct | -0.28% | Disposed | 36.3% (price as of 2026-08-19) |
| Feb. 10, 2023 | PI | S 10b5-1 | 300 | $122.64 | $36,792 | 282,784 Direct | -0.11% | Disposed | 37.7% (price as of 2026-08-19) |
| Feb. 10, 2023 | PI | S 10b5-1 | 1,400 | $121.63 | $170,282 | 283,084 Direct | -0.49% | Disposed | 38.9% (price as of 2026-08-19) |
| Feb. 10, 2023 | PI | S 10b5-1 | 3,300 | $120.58 | $397,914 | 284,484 Direct | -1.15% | Disposed | 40.1% (price as of 2026-08-19) |
| Jan. 13, 2023 | PI | S | 1,226 | $120.56 | $147,807 | 287,784 Direct | -0.42% | Disposed | 40.1% (price as of 2026-08-19) |
| Jan. 4, 2023 | PI | S | 1,612 | $109.73 | $176,885 | 285,885 Direct | -0.56% | Disposed | 53.9% (price as of 2026-08-19) |
| Dec. 16, 2022 | PI | S | 612 | $109.79 | $67,191 | 283,591 Direct | -0.22% | Disposed | 53.8% (price as of 2026-08-19) |
Showing latest 100 of 299 transactions
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 |
|---|---|---|---|---|---|---|---|
| June 23, 2026 | PI | Restricted Stock Units | Common Stock (1,817) | — | — | 1,817 | Disposed |
| June 23, 2026 | PI | Restricted Stock Units | Common Stock (1,223) | — | — | 1,223 | Disposed |
| Jan. 12, 2024 | PI | Restricted Stock Units | Common Stock (3,125) | — | — | 3,125 | Disposed |
| Dec. 23, 2023 | PI | Restricted Stock Units | Common Stock (2,594) | — | — | 2,594 | Disposed |
| Dec. 15, 2023 | PI | Restricted Stock Units | Common Stock (1,563) | — | — | 1,563 | Disposed |
| Oct. 12, 2023 | PI | Restricted Stock Units | Common Stock (3,125) | — | — | 3,125 | Disposed |
| Sept. 23, 2023 | PI | Restricted Stock Units | Common Stock (2,594) | — | — | 2,594 | Disposed |
| Sept. 15, 2023 | PI | Restricted Stock Units | Common Stock (1,562) | — | — | 1,562 | Disposed |
| July 12, 2023 | PI | Restricted Stock Units | Common Stock (3,125) | — | — | 3,125 | Disposed |
| July 1, 2023 | PI | Restricted Stock Units | Common Stock (3,907) | — | — | 3,907 | Disposed |
| June 23, 2023 | PI | Restricted Stock Units | Common Stock (2,593) | — | — | 2,593 | Disposed |
| June 15, 2023 | PI | Restricted Stock Units | Common Stock (1,563) | — | — | 1,563 | Disposed |
| April 12, 2023 | PI | Restricted Stock Units | Common Stock (3,125) | — | — | 3,125 | Disposed |
| April 1, 2023 | PI | Restricted Stock Units | Common Stock (3,906) | — | — | 3,906 | Disposed |
| March 23, 2023 | PI | Restricted Stock Units | Common Stock (19,580) | — | — | 19,580 | Acquired |
| March 23, 2023 | PI | Restricted Stock Units | Common Stock (10,375) | — | — | 10,375 | Disposed |
| March 15, 2023 | PI | Restricted Stock Units | Common Stock (1,562) | — | — | 1,562 | Disposed |
| Jan. 12, 2023 | PI | Restricted Stock Units | Common Stock (3,125) | — | — | 3,125 | Disposed |
| Jan. 1, 2023 | PI | Restricted Stock Units | Common Stock (3,906) | — | — | 3,906 | Disposed |
| Dec. 15, 2022 | PI | Restricted Stock Units | Common Stock (1,563) | — | — | 1,563 | Disposed |
| Oct. 12, 2022 | PI | Restricted Stock Units | Common Stock (3,125) | — | — | 3,125 | Disposed |
| Oct. 1, 2022 | PI | Restricted Stock Units | Common Stock (3,906) | — | — | 3,906 | Disposed |
| Sept. 15, 2022 | PI | Restricted Stock Units | Common Stock (1,562) | — | — | 1,562 | Disposed |
| July 12, 2022 | PI | Restricted Stock Units | Common Stock (3,125) | — | — | 3,125 | Disposed |
| July 1, 2022 | PI | Restricted Stock Units | Common Stock (3,907) | — | — | 3,907 | Disposed |
| June 15, 2022 | PI | Restricted Stock Units | Common Stock (1,563) | — | — | 1,563 | Disposed |
| April 12, 2022 | PI | Restricted Stock Units | Common Stock (12,500) | — | — | 12,500 | Disposed |
| April 1, 2022 | PI | Restricted Stock Units | Common Stock (3,906) | — | — | 3,906 | Disposed |
| March 23, 2022 | PI | Restricted Stock Units | Common Stock (41,500) | — | — | 41,500 | Acquired |
| March 15, 2022 | PI | Restricted Stock Units | Common Stock (1,563) | — | — | 1,562 | Disposed |
| Feb. 17, 2022 | PI | Stock Option (right to buy) | Common Stock (4,464) | $22.40 | June 15, 2018 | 4,464 | Disposed |
| Jan. 1, 2022 | PI | Restricted Stock Units | Common Stock (3,906) | — | — | 3,906 | Disposed |
| Dec. 15, 2021 | PI | Restricted Stock Units | Common Stock (1,563) | — | — | 1,563 | Disposed |
| Oct. 1, 2021 | PI | Restricted Stock Units | Common Stock (3,906) | $0.00 | — | 3,906 | Disposed |
| Sept. 15, 2021 | PI | Restricted Stock Units | Common Stock (1,562) | — | — | 1,562 | Disposed |
| July 1, 2021 | PI | Restricted Stock Units | Common Stock (3,907) | $0.00 | — | 3,907 | Disposed |
| June 15, 2021 | PI | Restricted Stock Units | Common Stock (6,250) | — | — | 6,250 | Disposed |
| April 12, 2021 | PI | Restricted Stock Units | Common Stock (50,000) | — | — | 50,000 | Acquired |
| April 1, 2021 | PI | Restricted Stock Units | Common Stock (3,906) | $0.00 | — | 3,906 | Disposed |
| March 4, 2021 | PI | Stock Option (Right to Buy) | Common Stock (2,961) | $33.77 | Aug. 11, 2027 | 2,961 | Disposed |
| Jan. 8, 2021 | PI | Stock Option (Right to Buy) | Common Stock (2,339) | $21.81 | Aug. 22, 2026 | 2,339 | Disposed |
| Jan. 4, 2021 | PI | Stock Option (Right to Buy) | Common Stock (14,000) | $21.81 | Aug. 22, 2026 | 14,000 | Disposed |
| Jan. 1, 2021 | PI | Restricted Stock Units | Common Stock (3,906) | — | — | 3,906 | Disposed |
| Nov. 18, 2020 | PI | Stock Option (Right to Buy) | Common Stock (2,000) | $21.81 | Aug. 22, 2026 | 2,000 | Disposed |
| Oct. 1, 2020 | PI | Restricted Stock Units | Common Stock (3,906) | — | — | 3,906 | Disposed |
| July 1, 2020 | PI | Restricted Stock Units | Common Stock (15,625) | — | — | 15,625 | Disposed |
| June 15, 2020 | PI | Restricted Stock Units | COMMON STOCK (25,000) | — | — | 25,000 | Acquired |
| June 15, 2020 | PI | Stock Option (Right to Buy) | COMMON STOCK (100,000) | $26.84 | June 15, 2030 | 100,000 | Acquired |
| Jan. 2, 2020 | PI | STOCK OPTION (RTB) | COMMON STOCK (16,666) | $1.44 | Dec. 3, 2023 | 16,666 | Disposed |
| Jan. 2, 2020 | PI | STOCK OPTION (RTB) | COMMON STOCK (620) | $19.60 | Oct. 31, 2028 | 620 | Disposed |
| Jan. 2, 2020 | PI | STOCK OPTION (RTB) | COMMON STOCK (33,333) | $1.20 | Oct. 29, 2022 | 18,333 | Disposed |
| Jan. 2, 2020 | PI | STOCK OPTION (RTB) | COMMON STOCK (6,250) | $5.04 | April 27, 2025 | 6,250 | Disposed |
| Sept. 6, 2019 | PI | STOCK OPTION (RTB) | COMMON STOCK (62,500) | $35.16 | Sept. 5, 2019 | 62,500 | Acquired |
| Sept. 5, 2019 | PI | Restricted Stock Units | COMMON STOCK (62,500) | $0.00 | Sept. 4, 2019 | 62,500 | Acquired |
| April 12, 2019 | PI | STOCK OPTION (RTB) | COMMON STOCK (15,000) | $1.20 | Oct. 29, 2022 | 15,000 | Disposed |
| Feb. 19, 2019 | PI | STOCK OPTION (RTB) | COMMON STOCK (620) | $19.60 | Oct. 31, 2028 | 620 | Acquired |
| Feb. 7, 2019 | PI | STOCK OPTION (RTB) | COMMON STOCK (1,666) | $1.20 | Aug. 8, 2022 | 1,666 | Disposed |
| June 15, 2018 | PI | STOCK OPTION (RTB) | COMMON STOCK (140,000) | $22.40 | June 15, 2028 | 140,000 | Acquired |
| Feb. 23, 2018 | PI | STOCK OPTION (RTB) | COMMON STOCK (10,000) | $1.20 | Aug. 8, 2022 | 10,000 | Disposed |
| Feb. 2, 2018 | PI | STOCK OPTION (RTB) | COMMON STOCK (10,000) | $1.20 | Aug. 8, 2022 | 10,000 | Disposed |
| Jan. 9, 2018 | PI | STOCK OPTION (RTB) | COMMON STOCK (5,000) | $1.20 | Aug. 8, 2022 | 5,000 | Disposed |
| Aug. 11, 2017 | PI | Stock Option (Right to Buy) | Common Stock (100,000) | $33.77 | Aug. 10, 2027 | 100,000 | Acquired |
| Dec. 28, 2016 | PI | STOCK OPTION (RTB) | COMMON STOCK (2,500) | $1.20 | Aug. 8, 2022 | 2,500 | Disposed |
| Aug. 23, 2016 | PI | STOCK OPTION (RTB) | COMMON STOCK (65,000) | $21.81 | Aug. 22, 2026 | 65,000 | Acquired |
| July 26, 2016 | PI | SERIES 2 PREFERRED STOCK | COMMON STOCK (3,985) | $0.00 | — | 3,985 | Disposed |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
Initial ownership (Form 3) 8 holdings
Securities held when first becoming an insider, per SEC Form 3.
| Date | Ticker | Security | Shares | Ownership |
|---|---|---|---|---|
| July 20, 2016 | PI | COMMON STOCK [F1] | 383,332 | Direct |
| July 20, 2016 | PI | COMMON STOCK [F1] | 699,999 | Indirect |
| July 20, 2016 | PI | COMMON STOCK [F1] | 12,500 | Indirect |
| July 20, 2016 | PI | STOCK OPTION (RTB) [F1]→ COMMON STOCK (29,166) | 29,166 | Direct |
| July 20, 2016 | PI | STOCK OPTION (RTB) [F1]→ COMMON STOCK (33,333) | 33,333 | Direct |
| July 20, 2016 | PI | STOCK OPTION (RTB) [F1]→ COMMON STOCK (16,666) | 16,666 | Direct |
| July 20, 2016 | PI | STOCK OPTION (RTB) [F1]→ COMMON STOCK (6,250) | 6,250 | Direct |
| July 20, 2016 | PI | SERIES 2 PREFERRED STOCK [F1]→ COMMON STOCK (3,985) | 3,985 | 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 |
|---|---|---|---|---|---|---|---|---|
| 2025 | $449,770 | — | $6,643,537 | — | — | — | $15,251 | — |
| 2024 | $432,923 | $3,250 | $9,785,191 | — | $954,825 | — | $13,447 | $11,189,636 |
| 2023 | $415,001 | $389,209 | $6,364,870 | — | — | — | $14,651 | $7,183,731 |
Figures from the Summary Compensation Table of the company's proxy statement (DEF 14A). Compensation is not a recommendation.