Korro Bio Inc (KRRO)

Korro Bio Inc experienced significant insider trading activity over the past ninety days, totaling forty-eight transactions. While Lynx1 Capital Management LP executed buys, major shareholders like Atlas Venture and executive Jean Francois Formela conducted substantial planned sales. These divestments occurred following the August 6th results financiers, amidst a stock price hovering near its yearly low.
Ticker: KRRO Exchange: NAS


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Insider trades have triggered activity signals for Korro Bio Inc. Upgrade to see score, net flow, insiders and the full signal context.

Top insiders
Trades
Abbreviations B: Buy, S: Sell, PP: Planned purchase, PlS: Planned sale, PrS: Proposed sale, O: Option / Other
1.5
FORMELA JEAN FRANCOIS Non-Executive Director
Transaction date
Planned sale
Price
271.50
Quantity 7,276 +2.5%
Value US$1,813,989
1.5
FORMELA JEAN FRANCOIS Non-Executive Director
Transaction date
Planned sale
Price
482.70
Quantity 85,386 +30.9%
Value US$1,846,333
Transaction date
Proposed sale
Price
132.09
Quantity 83,193
Value US$1,275,473
1.5
FORMELA JEAN FRANCOIS Non-Executive Director
Transaction date
Planned sale
Price
14.00
Quantity 1,000 -3.3%
Value US$100,000
1.5
FORMELA JEAN FRANCOIS Non-Executive Director
Transaction date
Planned sale
Price
14.00
Quantity 1,000 -3.3%
Value US$100,000
Transaction date
Proposed sale
Price
13.22
Quantity 1,000
Value US$100,000
1.5
FORMELA JEAN FRANCOIS Non-Executive Director
Transaction date
Planned sale
Price
13.96
Quantity 368 -0.3%
Value US$5,137
1.5
FORMELA JEAN FRANCOIS Non-Executive Director
Transaction date
Planned sale
Price
13.96
Quantity 1,775 -0.3%
Value US$24,779
Transaction date
Proposed sale
Price
13.49
Quantity 1,775
Value US$23,945
Aiyar Ram President and CEO Executive Director
Transaction date
Sale
Price
10.84
Quantity 5,802 -7.8%
Value US$62,917
Aiyar Ram Officer; Director Executive Director
Transaction date
Proposed sale
Price
114.26
Quantity 5,802
Value US$662,917
1.5
FORMELA JEAN FRANCOIS Non-Executive Director
Transaction date
Planned sale
Price
13.96
Quantity 8,506 -5.5%
Value US$118,744
1.5
FORMELA JEAN FRANCOIS Non-Executive Director
Transaction date
Planned sale
Price
13.96
Quantity 817 -0.1%
Value US$11,405
Transaction date
Proposed sale
Price
14.00
Quantity 817
Value US$11,438
1.5
FORMELA JEAN FRANCOIS Non-Executive Director
Transaction date
Planned sale
Price
14.03
Quantity 14,745 -8.7%
Value US$206,872
1.5
FORMELA JEAN FRANCOIS Non-Executive Director
Transaction date
Planned sale
Price
14.03
Quantity 85,955 -10.8%
Value US$1,205,949
Transaction date
Proposed sale
Price
13.65
Quantity 85,955
Value US$1,173,286
1.5
FORMELA JEAN FRANCOIS Non-Executive Director
Transaction date
Planned sale
Price
14.98
Quantity 114 -0.1%
Value US$1,708
1.5
FORMELA JEAN FRANCOIS Non-Executive Director
Transaction date
Planned sale
Price
14.60
Quantity 6,979 -4.0%
Value US$101,893
1.5
FORMELA JEAN FRANCOIS Non-Executive Director
Transaction date
Planned sale
Price
14.98
Quantity 666 -0.1%
Value US$9,977
1.5
FORMELA JEAN FRANCOIS Non-Executive Director
Transaction date
Planned sale
Price
14.60
Quantity 40,679 -4.9%
Value US$593,913
Transaction date
Proposed sale
Price
13.71
Quantity 41,345
Value US$566,840
1.5
FORMELA JEAN FRANCOIS Non-Executive Director
Transaction date
Planned sale
Price
14.25
Quantity 17,426 -9.0%
Value US$248,320
1.5
FORMELA JEAN FRANCOIS Non-Executive Director
Transaction date
Planned sale
Price
14.25
Quantity 101,579 -10.8%
Value US$1,447,501
Transaction date
Proposed sale
Price
13.90
Quantity 101,579
Value US$1,411,948
1.5
FORMELA JEAN FRANCOIS Non-Executive Director
Transaction date
Planned sale
Price
13.95
Quantity 580 -0.3%
Value US$8,091
1.5
FORMELA JEAN FRANCOIS Non-Executive Director
Transaction date
Planned sale
Price
13.95
Quantity 3,382 -0.4%
Value US$47,179
Transaction date
Proposed sale
Price
12.99
Quantity 21,339
Value US$277,194
Chappell Todd Chief Operating Officer Officer
Transaction date
Sale
Price
10.83
Quantity 3,168 -15.7%
Value US$34,309
Chappell Todd Chief Operating Officer Officer
Transaction date
Sale
Price
10.83
Quantity 3,168 -15.7%
Value US$34,309
Vincent Loic A Chief Scientific Officer Officer
Transaction date
Sale
Price
10.83
Quantity 3,418 -15.7%
Value US$37,017
Cerio Jeffrey General Counsel Officer
Transaction date
Sale
Price
10.83
Quantity 6,609 -15.8%
Value US$71,575
Dolan Oliver Senior Vice President, Finance Officer
Transaction date
Sale
Price
10.83
Quantity 3,383 -15.7%
Value US$36,638
Vincent Loic A Officer Officer
Transaction date
Proposed sale
Price
10.83
Quantity 3,418
Value US$37,017
Dolan Oliver Officer Officer
Transaction date
Proposed sale
Price
10.83
Quantity 3,383
Value US$36,638
Cerio Jeffrey Officer Officer
Transaction date
Proposed sale
Price
10.83
Quantity 6,609
Value US$71,576
Chappell Todd Officer Officer
Transaction date
Proposed sale
Price
10.83
Quantity 3,168
Value US$34,310
Aiyar Ram President and CEO Executive Director
Transaction date
Sale
Price
12.98
Quantity 15,152 -16.8%
Value US$196,673
Aiyar Ram Officer Officer
Transaction date
Proposed sale
Price
12.98
Quantity 15,152
Value US$196,676
1.5
FORMELA JEAN FRANCOIS Non-Executive Director
Transaction date
Planned sale
Price
13.95
Quantity 419 -0.2%
Value US$5,845
1.5
FORMELA JEAN FRANCOIS Non-Executive Director
Transaction date
Planned sale
Price
13.95
Quantity 2,441 -0.3%
Value US$34,052
2.8
Makhzoumi Mohamad Large shareholder
Transaction date
Purchase
Price
11.11
Quantity 207,100 +19.0%
Value US$2,300,881
3.3
Mathers Edward T Large shareholder
Transaction date
Purchase
Price
11.11
Quantity 207,100 +19.0%
Value US$2,300,881
3.3
Yang Rick Large shareholder
Transaction date
Purchase
Price
11.11
Quantity 207,100 +19.0%
Value US$2,300,881
2.7
Florence Anthony A. Jr. Large shareholder
Transaction date
Purchase
Price
11.11
Quantity 207,100 +19.0%
Value US$2,300,881
3.6
Chang Carmen Large shareholder
Transaction date
Purchase
Price
11.11
Quantity 207,100 +19.0%
Value US$2,300,881
2.5
BASKETT FOREST Large shareholder
Transaction date
Purchase
Price
11.11
Quantity 207,100 +19.0%
Value US$2,300,881
3.9
Walker Paul Edward Large shareholder
Transaction date
Purchase
Price
11.11
Quantity 207,100 +19.0%
Value US$2,300,881
2.4
SANDELL SCOTT D Large shareholder
Transaction date
Purchase
Price
11.11
Quantity 207,100 +19.0%
Value US$2,300,881
Agarwal Vineet Officer Officer
Transaction date
Proposed sale
Price
70.00
Quantity 800
Value US$56,000
Agarwal Vineet Chief Financial Officer Officer
Transaction date
Planned sale
Price
70.00
Quantity 800 -100.0%
Value US$56,000
Agarwal Vineet Chief Financial Officer Officer
Transaction date
Planned sale
Price
82.89
Quantity 25 -100.0%
Value US$2,072
Agarwal Vineet Chief Financial Officer Officer
Transaction date
Planned sale
Price
81.48
Quantity 317 -92.7%
Value US$25,829
Agarwal Vineet Chief Financial Officer Officer
Transaction date
Planned sale
Price
80.50
Quantity 4,961 -93.6%
Value US$399,374
Agarwal Vineet Chief Financial Officer Officer
Transaction date
Planned sale
Price
79.79
Quantity 1,815 -25.5%
Value US$144,821
Agarwal Vineet Chief Financial Officer Officer
Transaction date
Planned sale
Price
78.59
Quantity 457 -6.0%
Value US$35,914
Agarwal Vineet Chief Financial Officer Officer
Transaction date
Planned sale
Price
77.55
Quantity 260 -3.3%
Value US$20,164
Agarwal Vineet Chief Financial Officer Officer
Transaction date
Planned sale
Price
77.00
Quantity 23 -0.3%
Value US$1,771
Agarwal Vineet Chief Financial Officer Officer
Transaction date
Planned sale
Price
76.00
Quantity 56 -0.7%
Value US$4,256
Agarwal Vineet Chief Financial Officer Officer
Transaction date
Planned sale
Price
74.56
Quantity 115 -1.4%
Value US$8,575
Agarwal Vineet Chief Financial Officer Officer
Transaction date
Planned sale
Price
73.71
Quantity 164 -2.0%
Value US$12,089
Agarwal Vineet Chief Financial Officer Officer
Transaction date
Planned sale
Price
71.51
Quantity 2,023 -19.8%
Value US$144,663
Notification date Transaction date B/S Transaction type Insider and/or position Nb. shares
Price
Value
Number of shares Price Value Details
2026-08-28 2026-08-26 PlS Planned sale Non-Executive Director
7,276 +2.5%
271.50
US$1,813,989
7,276 +2.5% 271.50 US$1,813,989
2026-08-28 2026-08-26 PlS Planned sale Non-Executive Director
85,386 +30.9%
482.70
US$1,846,333
85,386 +30.9% 482.70 US$1,846,333
2026-08-26 2026-08-26 PrS Proposed sale

Shareholder

83,193
132.09
US$1,275,473
83,193 132.09 US$1,275,473
2026-08-26 2026-08-26 PrS Proposed sale

Shareholder

1,000
13.73
US$100,000
1,000 13.73 US$100,000
2026-08-21 2026-08-19 PlS Planned sale Non-Executive Director
1,000 -3.3%
14.00
US$100,000
1,000 -3.3% 14.00 US$100,000
2026-08-21 2026-08-19 PlS Planned sale Non-Executive Director
1,000 -3.3%
14.00
US$100,000
1,000 -3.3% 14.00 US$100,000
2026-08-19 2026-08-19 PrS Proposed sale

Shareholder

1,000
13.22
US$100,000
1,000 13.22 US$100,000
2026-08-19 2026-08-19 PrS Proposed sale

Shareholder

1,000
13.22
US$100,000
1,000 13.22 US$100,000
2026-08-13 2026-08-11 PlS Planned sale Non-Executive Director
368 -0.3%
13.96
US$5,137
368 -0.3% 13.96 US$5,137
2026-08-13 2026-08-11 PlS Planned sale Non-Executive Director
1,775 -0.3%
13.96
US$24,779
1,775 -0.3% 13.96 US$24,779
2026-08-11 2026-08-11 PrS Proposed sale

Shareholder

1,775
13.49
US$23,945
1,775 13.49 US$23,945
2026-08-11 2026-08-11 PrS Proposed sale

Shareholder

368
13.49
US$4,964
368 13.49 US$4,964
2026-08-13 2026-08-10 B Purchase Large shareholder
1,462 +0.1%
13.19
US$19,279
1,462 +0.1% 13.19 US$19,279
2026-08-13 2026-08-06 B Purchase Large shareholder
5,222 +0.3%
11.40
US$59,530
5,222 +0.3% 11.40 US$59,530
2026-08-05 2026-08-04 S Sale

President and CEO

Executive Director
5,802 -7.8%
10.84
US$62,917
5,802 -7.8% 10.84 US$62,917
2026-08-04 2026-08-04 PrS Proposed sale

Officer; Director

Executive Director
5,802
114.26
US$662,917
5,802 114.26 US$662,917
2026-07-07 2026-07-06 PlS Planned sale Non-Executive Director
8,506 -5.5%
13.96
US$118,744
8,506 -5.5% 13.96 US$118,744
2026-07-07 2026-07-06 PlS Planned sale Non-Executive Director
817 -0.1%
13.96
US$11,405
817 -0.1% 13.96 US$11,405
2026-07-06 2026-07-06 PrS Proposed sale

Shareholder

8,506
14.00
US$119,084
8,506 14.00 US$119,084
2026-07-06 2026-07-06 PrS Proposed sale

Shareholder

817
14.00
US$11,438
817 14.00 US$11,438
2026-07-07 2026-07-02 PlS Planned sale Non-Executive Director
14,745 -8.7%
14.03
US$206,872
14,745 -8.7% 14.03 US$206,872
2026-07-07 2026-07-02 PlS Planned sale Non-Executive Director
85,955 -10.8%
14.03
US$1,205,949
85,955 -10.8% 14.03 US$1,205,949
2026-07-02 2026-07-02 PrS Proposed sale

Shareholder

14,745
13.65
US$201,269
14,745 13.65 US$201,269
2026-07-02 2026-07-02 PrS Proposed sale

Shareholder

85,955
13.65
US$1,173,286
85,955 13.65 US$1,173,286
2026-06-24 2026-06-24 PlS Planned sale Non-Executive Director
114 -0.1%
14.98
US$1,708
114 -0.1% 14.98 US$1,708
2026-06-24 2026-06-24 PlS Planned sale Non-Executive Director
6,979 -4.0%
14.60
US$101,893
6,979 -4.0% 14.60 US$101,893
2026-06-24 2026-06-24 PlS Planned sale Non-Executive Director
666 -0.1%
14.98
US$9,977
666 -0.1% 14.98 US$9,977
2026-06-24 2026-06-24 PlS Planned sale Non-Executive Director
40,679 -4.9%
14.60
US$593,913
40,679 -4.9% 14.60 US$593,913
2026-06-24 2026-06-24 PrS Proposed sale

Shareholder

41,345
13.71
US$566,840
41,345 13.71 US$566,840
2026-06-24 2026-06-24 PrS Proposed sale

Shareholder

7,093
13.71
US$97,245
7,093 13.71 US$97,245
2026-06-24 2026-06-23 PlS Planned sale Non-Executive Director
17,426 -9.0%
14.25
US$248,320
17,426 -9.0% 14.25 US$248,320
2026-06-24 2026-06-23 PlS Planned sale Non-Executive Director
101,579 -10.8%
14.25
US$1,447,501
101,579 -10.8% 14.25 US$1,447,501
2026-06-23 2026-06-23 PrS Proposed sale

Shareholder

17,426
13.90
US$242,221
17,426 13.90 US$242,221
2026-06-23 2026-06-23 PrS Proposed sale

Shareholder

101,579
13.90
US$1,411,948
101,579 13.90 US$1,411,948
2026-06-24 2026-06-22 PlS Planned sale Non-Executive Director
580 -0.3%
13.95
US$8,091
580 -0.3% 13.95 US$8,091
2026-06-24 2026-06-22 PlS Planned sale Non-Executive Director
3,382 -0.4%
13.95
US$47,179
3,382 -0.4% 13.95 US$47,179
2026-06-22 2026-06-22 PrS Proposed sale

Shareholder

3,661
12.99
US$47,556
3,661 12.99 US$47,556
2026-06-22 2026-06-22 PrS Proposed sale

Shareholder

3,661
12.99
US$47,556
3,661 12.99 US$47,556
2026-06-22 2026-06-22 PrS Proposed sale

Shareholder

21,339
12.99
US$277,194
21,339 12.99 US$277,194
2026-06-17 2026-06-16 S Sale

Chief Operating Officer

Officer
3,168 -15.7%
10.83
US$34,309
3,168 -15.7% 10.83 US$34,309
2026-06-17 2026-06-16 S Sale

Chief Operating Officer

Officer
3,168 -15.7%
10.83
US$34,309
3,168 -15.7% 10.83 US$34,309
2026-06-17 2026-06-16 S Sale

Chief Scientific Officer

Officer
3,418 -15.7%
10.83
US$37,017
3,418 -15.7% 10.83 US$37,017
2026-06-17 2026-06-16 S Sale

General Counsel

Officer
6,609 -15.8%
10.83
US$71,575
6,609 -15.8% 10.83 US$71,575
2026-06-17 2026-06-16 S Sale

Senior Vice President, Finance

Officer
3,383 -15.7%
10.83
US$36,638
3,383 -15.7% 10.83 US$36,638
2026-06-16 2026-06-16 PrS Proposed sale

Officer

Officer
3,418
10.83
US$37,017
3,418 10.83 US$37,017
2026-06-16 2026-06-16 PrS Proposed sale

Officer

Officer
3,383
10.83
US$36,638
3,383 10.83 US$36,638
2026-06-16 2026-06-16 PrS Proposed sale

Officer

Officer
6,609
10.83
US$71,576
6,609 10.83 US$71,576
2026-06-16 2026-06-16 PrS Proposed sale

Officer

Officer
3,168
10.83
US$34,310
3,168 10.83 US$34,310
2026-06-02 2026-05-29 S Sale

President and CEO

Executive Director
15,152 -16.8%
12.98
US$196,673
15,152 -16.8% 12.98 US$196,673
2026-05-29 2026-05-29 PrS Proposed sale

Officer

Officer
15,152
12.98
US$196,676
15,152 12.98 US$196,676
2026-06-01 2026-05-28 PlS Planned sale Non-Executive Director
419 -0.2%
13.95
US$5,845
419 -0.2% 13.95 US$5,845
2026-06-01 2026-05-28 PlS Planned sale Non-Executive Director
2,441 -0.3%
13.95
US$34,052
2,441 -0.3% 13.95 US$34,052
2026-04-02 2026-03-31 B Purchase Large shareholder
520 +0.0%
10.60
US$5,512
520 +0.0% 10.60 US$5,512
2026-03-12 2026-03-10 B Purchase Large shareholder
207,100 +19.0%
11.11
US$2,300,881
207,100 +19.0% 11.11 US$2,300,881
2026-03-12 2026-03-10 B Purchase Large shareholder
207,100 +19.0%
11.11
US$2,300,881
207,100 +19.0% 11.11 US$2,300,881
2026-03-12 2026-03-10 B Purchase Large shareholder
207,100 +19.0%
11.11
US$2,300,881
207,100 +19.0% 11.11 US$2,300,881
2026-03-12 2026-03-10 B Purchase Large shareholder
207,100 +19.0%
11.11
US$2,300,881
207,100 +19.0% 11.11 US$2,300,881
2026-03-12 2026-03-10 B Purchase Large shareholder
207,100 +19.0%
11.11
US$2,300,881
207,100 +19.0% 11.11 US$2,300,881
2026-03-12 2026-03-10 B Purchase Large shareholder
207,100 +19.0%
11.11
US$2,300,881
207,100 +19.0% 11.11 US$2,300,881
2026-03-12 2026-03-10 B Purchase Large shareholder
207,100 +19.0%
11.11
US$2,300,881
207,100 +19.0% 11.11 US$2,300,881
2026-03-12 2026-03-10 B Purchase Large shareholder
207,100 +19.0%
11.11
US$2,300,881
207,100 +19.0% 11.11 US$2,300,881
2026-03-12 2026-03-10 B Purchase Large shareholder
207,100 +19.0%
11.11
US$2,300,881
207,100 +19.0% 11.11 US$2,300,881
2024-11-12 2024-11-11 PrS Proposed sale

Officer

Officer
800
70.00
US$56,000
800 70.00 US$56,000
2024-11-12 2024-11-11 PlS Planned sale

Chief Financial Officer

Officer
800 -100.0%
70.00
US$56,000
800 -100.0% 70.00 US$56,000
2024-10-18 2024-10-17 PlS Planned sale

Chief Financial Officer

Officer
25 -100.0%
82.89
US$2,072
25 -100.0% 82.89 US$2,072
2024-10-18 2024-10-17 PlS Planned sale

Chief Financial Officer

Officer
317 -92.7%
81.48
US$25,829
317 -92.7% 81.48 US$25,829
2024-10-18 2024-10-17 PlS Planned sale

Chief Financial Officer

Officer
4,961 -93.6%
80.50
US$399,374
4,961 -93.6% 80.50 US$399,374
2024-10-18 2024-10-17 PlS Planned sale

Chief Financial Officer

Officer
1,815 -25.5%
79.79
US$144,821
1,815 -25.5% 79.79 US$144,821
2024-10-18 2024-10-17 PlS Planned sale

Chief Financial Officer

Officer
457 -6.0%
78.59
US$35,914
457 -6.0% 78.59 US$35,914
2024-10-18 2024-10-17 PlS Planned sale

Chief Financial Officer

Officer
260 -3.3%
77.55
US$20,164
260 -3.3% 77.55 US$20,164
2024-10-18 2024-10-17 PlS Planned sale

Chief Financial Officer

Officer
23 -0.3%
77.00
US$1,771
23 -0.3% 77.00 US$1,771
2024-10-18 2024-10-17 PlS Planned sale

Chief Financial Officer

Officer
56 -0.7%
76.00
US$4,256
56 -0.7% 76.00 US$4,256
2024-10-18 2024-10-17 PlS Planned sale

Chief Financial Officer

Officer
115 -1.4%
74.56
US$8,575
115 -1.4% 74.56 US$8,575
2024-10-18 2024-10-17 PlS Planned sale

Chief Financial Officer

Officer
164 -2.0%
73.71
US$12,089
164 -2.0% 73.71 US$12,089
2024-10-18 2024-10-17 PlS Planned sale

Chief Financial Officer

Officer
2,023 -19.8%
71.51
US$144,663
2,023 -19.8% 71.51 US$144,663